Move away from interactive messenger

Allow unrented event to use placeholders

.github/workflows/gradle.yml

@@ -0,0 +1,23 @@
+name: Java CI with Gradle
+
+on: [ push, pull_request ]
+
+jobs:
+  build:
+    # Only run on PRs if the source branch is on someone else's repo
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    strategy:
+      matrix:
+        os: ["ubuntu-latest", "windows-latest"]
+    runs-on: "${{ matrix.os }}"
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gradle/wrapper-validation-action@v1.0.4
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'zulu'
+          cache: 'gradle'
+      - name: Build with Gradle
+        run: ./gradlew clean build

.github/workflows/maven.yml

@@ -1,38 +0,0 @@
-name : "build"
-
-on : [ "pull_request", "push" ]
-
-jobs :
-  build :
-    strategy :
-      matrix :
-        java : [ 16 ]
-        # java: ["1.8", "11"]
-        os : [ "ubuntu-18.04" ]
-    runs-on : "${{ matrix.os }}"
-    steps :
-      - name : "Checkout Repository"
-        uses : "actions/checkout@v2.3.4"
-
-      - name : "Checkout submodules"
-        uses : "srt32/git-actions@v0.0.3"
-        with :
-          args : "git submodule update --init --recursive"
-
-      - name : "Restore Gradle cache"
-        uses : "actions/cache@v2"
-        with :
-          path : "~/.gradle/caches"
-          key : "${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}"
-          restore-keys : |
-            ${{ runner.os }}-gradle-
-      - name : "Setup JDK ${{ matrix.java }}"
-        uses : "actions/setup-java@v1.4.3"
-        with :
-          java-version : "${{ matrix.java }}"
-
-      - name : "Grant execute permission for gradlew"
-        run : "chmod +x gradlew"
-
-      - name : "Build with Gradle"
-        run : "./gradlew clean build"

.gitignore

@@ -1,32 +1,180 @@
-### Maven ###
-target
 
-.project
-.metadata
-bin/
-tmp/
-*.tmp
-*.bak
-*.swp
-*~.nib
-local.properties
-.classpath
-.settings/
-.loadpath
+# Created by https://www.toptal.com/developers/gitignore/api/macos,windows,intellij+all,gradle,maven
+# Edit at https://www.toptal.com/developers/gitignore?templates=macos,windows,intellij+all,gradle,maven
 
-### Locally stored "Eclipse launch configurations" ###
-*.launch
+### Intellij+all ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij+all Patch ###
+# Ignores the whole .idea folder and all .iml files
+# See https://github.com/joeblau/gitignore.io/issues/186 and https://github.com/joeblau/gitignore.io/issues/360
+
+.idea/*
+
+# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
 
-### IntelliJ IDEA ###
 *.iml
-.idea
-dependency-reduced-pom.xml
+modules.xml
+.idea/misc.xml
+*.ipr
 
-desktop.ini
+# Sonarlint plugin
+.idea/sonarlint
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+# Eclipse m2e generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
 
 ### Gradle ###
 .gradle
 build/
+build-cache/
 
 # Ignore Gradle GUI config
 gradle-app.setting
@@ -42,3 +190,5 @@ gradle-app.setting
 
 ### Gradle Patch ###
 **/build/
+
+# End of https://www.toptal.com/developers/gitignore/api/macos,windows,intellij+all,gradle,maven

AreaShop/build.gradle

@@ -1,60 +0,0 @@
-import org.apache.tools.ant.filters.ReplaceTokens
-
-plugins {
-    id 'java-library'
-    id 'com.github.johnrengelman.shadow' version '7.0.0'
-}
-
-description = 'AreaShop'
-version = '2.6.5'
-
-dependencies {
-    // Spigot api
-    compileOnly 'org.spigotmc:spigot-api:1.16.5-R0.1-SNAPSHOT'
-
-    // Libs
-    implementation 'com.github.NLthijs48:InteractiveMessenger:e7749258ca'
-    implementation 'co.aikar:taskchain-bukkit:3.7.2'
-    implementation 'io.papermc:paperlib:1.0.6'
-
-    // Hooks
-    implementation project(':areashop-interface')
-    implementation project(':areashop-worldguard-7')
-    implementation project(':areashop-worldedit-7')
-    implementation project(':areashop-fawe-1-16')
-    implementation project(':areashop-fawe-1-17')
-    implementation project(':areashop-nms-1-16-5')
-    implementation project(':areashop-nms-1-17')
-
-    // Runtime plugins
-    compileOnly 'com.sk89q.worldedit:worldedit-bukkit:7.2.5'
-    compileOnly 'com.sk89q.worldguard:worldguard-bukkit:7.0.5'
-    compileOnly 'com.github.MilkBowl:VaultAPI:1.7'
-}
-
-processResources {
-
-    from (sourceSets.main.resources) {
-        filter ReplaceTokens, tokens: [version: project.version]
-        duplicatesStrategy(DuplicatesStrategy.INCLUDE)
-    }
-}
-
-assemble {
-    dependsOn(shadowJar)
-}
-
-jar {
-    archiveBaseName.set('AreaShop')
-    classifier('original')
-}
-
-shadowJar {
-    archiveBaseName.set('AreaShop')
-    String relocationBase = 'me.wiefferink.areashop.shaded'
-    classifier('')
-    relocate('co.aikar.taskchain', "${relocationBase}.taskchain")
-    relocate('me.wiefferink.interactivemessenger', "${relocationBase}.interactivemessenger")
-    relocate('org.bstats', "${relocationBase}.bstats")
-    relocate('io.papermc', "${relocationBase}.papermc")
-}

AreaShop/build.gradle.kts

@@ -0,0 +1,114 @@
+plugins {
+    id("com.github.johnrengelman.shadow") version "8.1.1"
+}
+
+description = "AreaShop"
+
+dependencies {
+    // Platform
+    compileOnlyApi(libs.spigot)
+    compileOnlyApi(libs.worldeditCore) {
+        exclude("com.google.guava", "guava")
+    }
+    compileOnlyApi(libs.worldeditBukkit) {
+        exclude("com.google.guava", "guava")
+    }
+    compileOnlyApi(libs.worldguardCore) {
+        exclude("com.google.guava", "guava")
+    }
+    compileOnlyApi(libs.worldguardBukkit) {
+        exclude("com.google.guava", "guava")
+    }
+    compileOnlyApi("com.github.MilkBowl:VaultAPI:1.7") {
+        exclude("com.google.guava", "guava")
+    }
+
+    // 3rd party libraries
+    implementation("io.papermc:paperlib:1.0.8")
+    implementation("com.github.NLthijs48:InteractiveMessenger:e7749258ca")
+    implementation("com.github.NLthijs48:BukkitDo:819d51ec2b")
+    implementation("io.github.baked-libs:dough-data:1.2.0")
+    implementation("com.google.inject:guice:7.0.0") {
+        exclude("com.google.guava", "guava")
+    }
+    implementation("com.google.inject.extensions:guice-assistedinject:7.0.0") {
+        exclude("com.google.guava", "guava")
+    }
+    implementation("net.kyori:adventure-platform-bukkit:4.3.0")
+    implementation("net.kyori:adventure-text-minimessage:4.14.0")
+    implementation("org.spongepowered:configurate-yaml:4.0.0")
+
+    // Project submodules
+    implementation(projects.areashopInterface)
+    implementation(projects.areashopNms)
+    implementation(projects.adapters.platform.platformInterface)
+    implementation(projects.adapters.platform.paper)
+
+    runtimeOnly(projects.adapters.plugins.worldedit)
+    runtimeOnly(projects.adapters.plugins.worldguard)
+    runtimeOnly(projects.adapters.plugins.fastasyncworldedit)
+    // Adapters
+    if (!providers.environmentVariable("JITPACK").isPresent) {
+        runtimeOnly(project(":adapters:platform:bukkit-1-17", "reobf"))
+        runtimeOnly(project(":adapters:platform:bukkit-1-18", "reobf"))
+        runtimeOnly(project(":adapters:platform:bukkit-1-19", "reobf"))
+        runtimeOnly(project(":adapters:platform:bukkit-1-20", "reobf"))
+    }
+
+    testImplementation("com.github.seeseemelk:MockBukkit-v1.20:3.9.0")
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.1")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.1")
+}
+
+
+
+repositories {
+    mavenCentral()
+}
+
+tasks {
+    processResources {
+        filesMatching("plugin.yml") {
+            expand("version" to project.version)
+        }
+    }
+
+    assemble {
+        if (!providers.systemProperty("JITPACK").isPresent) {
+            dependsOn(shadowJar)
+        }
+    }
+
+    jar {
+        archiveClassifier.set("original")
+    }
+
+    java {
+        withSourcesJar()
+    }
+
+    test {
+        useJUnitPlatform()
+    }
+
+    val javaComponent = project.components["java"] as AdhocComponentWithVariants
+    javaComponent.withVariantsFromConfiguration(configurations["shadowRuntimeElements"]) {
+        skip()
+    }
+
+    shadowJar {
+        archiveClassifier.set("")
+        base {
+            archiveBaseName.set("AreaShop")
+        }
+        val base = "me.wiefferink.areashop.libraries"
+        relocate("me.wiefferink.interactivemessenger", "${base}.interactivemessenger")
+        relocate("me.wiefferink.bukkitdo", "${base}.bukkitdo")
+        relocate("io.papermc.lib", "${base}.paperlib")
+        relocate("io.github.bakedlibs.dough", "${base}.dough")
+        relocate("com.google.inject", "${base}.inject")
+        relocate("org.aopalliance", "${base}.aopalliance")
+        relocate("javax.annotation", "${base}.javax.annotation")
+        relocate("javax.inject", "${base}.javax.inject")
+    }
+}

AreaShop/src/main/java/io/github/md5sha256/areashop/AdventureMessageRenderer.java

@@ -0,0 +1,145 @@
+package io.github.md5sha256.areashop;
+
+import me.wiefferink.areashop.managers.AdventureLanguageManager;
+import me.wiefferink.interactivemessenger.processing.ReplacementProvider;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+
+import java.text.NumberFormat;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class AdventureMessageRenderer {
+
+
+    /**
+     * Lang pattern used by the old mechanism
+     * Equivalent REGEX: \Q%\E\Qlang:\E([a-zA-Z-]+?)\|(.+?)\|\Q%\E
+     * Group 1 is the message key for substitution
+     * Group 2 is the replacement arguments
+     * NOTE: A properly formatted key should have a trailing '|' char.
+     */
+    private static final Pattern LANG_PATTERN = Pattern.compile(
+            Pattern.quote("%") + "lang:([a-zA-Z-]+?)\\|(.+)\\|+" + Pattern.quote("%")
+    );
+    private static final Pattern POSITIONAL_ARGUMENT_PATTERN = Pattern.compile(
+            Pattern.quote("%") + "(\\d+)" + Pattern.quote("%")
+    );
+    private static final Pattern NAMED_ARGUMENT_PATTERN = Pattern.compile(Pattern.quote(
+            "%") + "(?<name>[a-zA-Z]+)" + Pattern.quote("%"));
+    private static final Pattern VARIABLE_DELIMITER = Pattern.compile("\\|");
+    private final AdventureLanguageManager adventureLanguageManager;
+
+    public AdventureMessageRenderer(AdventureLanguageManager languageManager) {
+        this.adventureLanguageManager = languageManager;
+    }
+
+    public String chatPrefix() {
+        return this.adventureLanguageManager.chatPrefix();
+    }
+
+    public Component renderedChatPrefix() {
+        return renderMessage(this.adventureLanguageManager.chatPrefix());
+    }
+
+    public Component renderMessageFromKey(String key, Object... replacements) {
+        String message = this.adventureLanguageManager.messageFor(key);
+        if (message.isEmpty()) {
+            return Component.empty();
+        }
+        return renderMessage(message, replacements);
+    }
+
+    public String performReplacementsFromKey(String key, Object... replacements) {
+        String message = this.adventureLanguageManager.messageFor(key);
+        if (message.isEmpty()) {
+            return message;
+        }
+        return performReplacements(message, replacements);
+    }
+
+
+    public String performReplacements(String message, Object... replacements) {
+        String result = processPositionalArgumentReplacement(message, replacements);
+        return processLanguageReplacements(result, replacements);
+    }
+
+    public Component renderMessage(String message, Object... replacements) {
+        MiniMessage miniMessage = MiniMessage
+                .builder()
+                .preProcessor(string -> performReplacements(string, replacements))
+                .build();
+        return miniMessage.deserialize(message);
+    }
+
+    private void processNamedArguments(String[] arguments, Object... replacements) {
+        for (int i = 0; i < arguments.length; i++) {
+            if (i >= replacements.length) {
+                continue;
+            }
+            String argument = arguments[i];
+            Matcher namedMatcher = NAMED_ARGUMENT_PATTERN.matcher(argument);
+            if (!namedMatcher.matches()) {
+                continue;
+            }
+            Object rawReplacement = replacements[i];
+            if (!(rawReplacement instanceof ReplacementProvider provider)) {
+                continue;
+            }
+            String replacement = parseString(provider.provideReplacement(argument));
+            arguments[i] = replacement;
+        }
+    }
+
+    private String processLanguageReplacements(String text, Object... replacements) {
+        Matcher langMatcher = LANG_PATTERN.matcher(text);
+        return langMatcher.replaceAll(result -> {
+            String langKey = result.group(1);
+            String rawArguments = result.group(2);
+            String[] arguments = VARIABLE_DELIMITER.split(rawArguments);
+            processNamedArguments(arguments, replacements);
+            String innerMessage = this.adventureLanguageManager.messageFor(langKey);
+            return processInnerPositionalArgumentReplacements(innerMessage, arguments);
+        });
+    }
+
+    private String processInnerPositionalArgumentReplacements(String text, String[] replacements) {
+        final Matcher matcher = POSITIONAL_ARGUMENT_PATTERN.matcher(text);
+        return matcher.replaceAll(result -> {
+            int position = Integer.parseInt(result.group(1));
+            if (position < 0 || position > replacements.length - 1) {
+                return "";
+            }
+            return replacements[position];
+        });
+    }
+
+    private String processPositionalArgumentReplacement(String text, Object... replacements) {
+        final Matcher matcher = POSITIONAL_ARGUMENT_PATTERN.matcher(text);
+        return matcher.replaceAll(result -> {
+            int position = Integer.parseInt(result.group(1));
+            if (position < 0 || position > replacements.length - 1) {
+                return "";
+            }
+            Object replacement = replacements[position];
+            if (!(replacement instanceof ReplacementProvider)) {
+                return replacement.toString();
+            }
+            return "";
+        });
+    }
+
+    private String parseString(Object replacementResult) {
+        if (replacementResult instanceof String s) {
+            return s;
+        }
+        if (replacementResult instanceof Component component) {
+            return MiniMessage.miniMessage().serialize(component);
+        }
+        if (replacementResult instanceof Number number) {
+            return NumberFormat.getNumberInstance().format(number);
+        }
+        return replacementResult.toString();
+    }
+
+}

AreaShop/src/main/java/io/github/md5sha256/areashop/CompositeMessage.java

@@ -0,0 +1,51 @@
+package io.github.md5sha256.areashop;
+
+import me.wiefferink.interactivemessenger.processing.Message;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CompositeMessage implements MessageWrapper {
+
+    private final List<MessageWrapper> children = new ArrayList<>();
+
+    @Override
+    public Message toLegacyMessage() {
+        Message message = Message.empty();
+        for (MessageWrapper wrapper : children) {
+            message.append(wrapper.toLegacyMessage());
+        }
+        return message;
+    }
+
+    @Override
+    public String toMiniMessage(AdventureMessageRenderer messageRenderer) {
+        StringBuilder message = new StringBuilder();
+        for (MessageWrapper wrapper : children) {
+            message.append(wrapper.toMiniMessage(messageRenderer));
+        }
+        return message.toString();
+    }
+
+    public CompositeMessage appendMessage(MessageWrapper wrapper) {
+        children.add(wrapper);
+        return this;
+    }
+
+    public CompositeMessage appendText(String text) {
+        this.children.add(new TextMessage(text));
+        return this;
+    }
+
+    public CompositeMessage appendMessage(String key, boolean prefix, Object... replacements) {
+        this.children.add(new KeyedMessage(key, prefix, replacements));
+        return this;
+    }
+
+    public CompositeMessage appendMessage(String key, Object... replacements) {
+        this.children.add(new KeyedMessage(key, replacements));
+        return this;
+    }
+
+
+}

AreaShop/src/main/java/io/github/md5sha256/areashop/KeyedMessage.java

@@ -0,0 +1,20 @@
+package io.github.md5sha256.areashop;
+
+import me.wiefferink.interactivemessenger.processing.Message;
+
+public record KeyedMessage(String messageKey, boolean prefix, Object... replacements) implements MessageWrapper{
+    public KeyedMessage(String messageKey, Object... replacements) {
+        this(messageKey, false, replacements);
+    }
+
+    @Override
+    public Message toLegacyMessage() {
+        return Message.fromKey(messageKey).prefix(prefix).replacements(replacements);
+    }
+
+    @Override
+    public String toMiniMessage(AdventureMessageRenderer messageRenderer) {
+        String chatPrefix = messageRenderer.chatPrefix();
+        return chatPrefix + messageRenderer.renderMessageFromKey(messageKey);
+    }
+}

AreaShop/src/main/java/io/github/md5sha256/areashop/LanguageConverter.java

@@ -0,0 +1,89 @@
+package io.github.md5sha256.areashop;
+
+import me.wiefferink.interactivemessenger.generators.TellrawGenerator;
+import me.wiefferink.interactivemessenger.parsers.YamlParser;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.serializer.bungeecord.BungeeComponentSerializer;
+import net.md_5.bungee.api.chat.BaseComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
+import org.spongepowered.configurate.ConfigurateException;
+import org.spongepowered.configurate.ConfigurationNode;
+import org.spongepowered.configurate.loader.HeaderMode;
+import org.spongepowered.configurate.yaml.NodeStyle;
+import org.spongepowered.configurate.yaml.YamlConfigurationLoader;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+public class LanguageConverter {
+
+    public static void performConversion(ConfigurationNode root) throws ConfigurateException {
+        if (!root.isMap()) {
+            convertNode(root);
+            return;
+        }
+        Map<Object, ? extends ConfigurationNode> map = root.childrenMap();
+        for (Map.Entry<Object, ? extends ConfigurationNode> entry : map.entrySet()) {
+            ConfigurationNode node = entry.getValue();
+            if (node.isMap()) {
+                performConversion(node);
+            } else {
+                convertNode(node);
+            }
+        }
+    }
+
+    public static void performConversion(File toConvert, File output) throws IOException {
+        YamlConfigurationLoader loader = YamlConfigurationLoader.builder()
+                .source(() -> new BufferedReader(new FileReader(toConvert, StandardCharsets.UTF_8)))
+                .sink(() -> new BufferedWriter(new FileWriter(output, StandardCharsets.UTF_8)))
+                .headerMode(HeaderMode.PRESERVE)
+                .nodeStyle(NodeStyle.BLOCK)
+                .build();
+        ConfigurationNode root = loader.load();
+        performConversion(root);
+        loader.save(root);
+    }
+
+    public static List<String> convertRawList(List<String> messages) {
+        List<String> jsonMessages = TellrawGenerator.generate(YamlParser.parse(messages));
+        List<String> converted = new ArrayList<>();
+        for (String json : jsonMessages) {
+            BaseComponent[] bungeeComponents = ComponentSerializer.parse(json);
+            Component convertedComponent = BungeeComponentSerializer.get()
+                    .deserialize(bungeeComponents);
+            String miniMessage = MiniMessage.miniMessage()
+                    .serialize(convertedComponent);
+            converted.add(miniMessage);
+        }
+        return converted;
+    }
+
+    private static void convertNode(ConfigurationNode node) throws ConfigurateException {
+        boolean isList = node.isList();
+        List<String> messages;
+        if (isList) {
+            messages = node.getList(String.class, Collections.emptyList());
+        } else {
+            messages = Collections.singletonList(node.getString());
+        }
+        List<String> converted = convertRawList(messages);
+        if (converted.size() == 1) {
+            node.set(String.class, converted.get(0));
+        } else {
+            node.setList(String.class, converted);
+        }
+    }
+
+
+}

AreaShop/src/main/java/io/github/md5sha256/areashop/MessageWrapper.java

@@ -0,0 +1,11 @@
+package io.github.md5sha256.areashop;
+
+import me.wiefferink.interactivemessenger.processing.Message;
+
+public interface MessageWrapper {
+
+    Message toLegacyMessage();
+
+    String toMiniMessage(AdventureMessageRenderer messageRenderer);
+
+}

AreaShop/src/main/java/io/github/md5sha256/areashop/TextMessage.java

@@ -0,0 +1,22 @@
+package io.github.md5sha256.areashop;
+
+import me.wiefferink.interactivemessenger.processing.Message;
+
+public class TextMessage implements MessageWrapper {
+
+    private final String text;
+
+    public TextMessage(String text) {
+        this.text = text;
+    }
+
+    @Override
+    public Message toLegacyMessage() {
+        return Message.empty().append(text);
+    }
+
+    @Override
+    public String toMiniMessage(AdventureMessageRenderer messageRenderer) {
+        return messageRenderer.performReplacements(text);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/AreaShopApi.java

@@ -0,0 +1,39 @@
+package me.wiefferink.areashop;
+
+import me.wiefferink.areashop.features.signs.SignManager;
+import me.wiefferink.areashop.interfaces.AreaShopInterface;
+import me.wiefferink.areashop.managers.CommandManager;
+import me.wiefferink.areashop.managers.FeatureManager;
+import me.wiefferink.areashop.managers.SignLinkerManager;
+
+import javax.annotation.Nonnull;
+
+public interface AreaShopApi extends AreaShopInterface {
+
+    /**
+     * Function to get the CommandManager.
+     *
+     * @return the CommandManager
+     */
+    @Nonnull CommandManager getCommandManager();
+
+    /**
+     * Get the SignLinkerManager.
+     * Handles sign linking mode.
+     *
+     * @return The SignLinkerManager
+     */
+    @Nonnull SignLinkerManager getSignlinkerManager();
+
+    /**
+     * Get the FeatureManager.
+     * Manages region specific features.
+     *
+     * @return The FeatureManager
+     */
+    @Nonnull FeatureManager getFeatureManager();
+
+
+    @Nonnull SignManager getSignManager();
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/MessageBridge.java

@@ -0,0 +1,25 @@
+package me.wiefferink.areashop;
+
+import io.github.md5sha256.areashop.MessageWrapper;
+
+public interface MessageBridge {
+    /**
+     * Send a message to a target without a prefix.
+     *
+     * @param target       The target to send the message to
+     * @param key          The key of the language string
+     * @param replacements The replacements to insert in the message
+     */
+    void messageNoPrefix(Object target, String key, Object... replacements);
+
+    /**
+     * Send a message to a target, prefixed by the default chat prefix.
+     *
+     * @param target       The target to send the message to
+     * @param key          The key of the language string
+     * @param replacements The replacements to insert in the message
+     */
+    void message(Object target, String key, Object... replacements);
+
+    void message(Object target, MessageWrapper message);
+}

AreaShop/src/main/java/me/wiefferink/areashop/commands/AddCommand.java

@@ -1,29 +1,54 @@
 package me.wiefferink.areashop.commands;
 
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.events.ask.AddingRegionEvent;
 import me.wiefferink.areashop.events.ask.BuyingRegionEvent;
 import me.wiefferink.areashop.events.ask.RentingRegionEvent;
 import me.wiefferink.areashop.events.notify.BoughtRegionEvent;
 import me.wiefferink.areashop.events.notify.RentedRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
-import me.wiefferink.areashop.managers.FileManager;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
+import me.wiefferink.bukkitdo.Do;
 import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.World;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeSet;
+import java.util.UUID;
 import java.util.stream.Collectors;
 
+@Singleton
 public class AddCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private AreaShop plugin;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	@Inject
+	private WorldGuardInterface worldGuardInterface;
+	@Inject
+	private RegionFactory regionFactory;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop add";
@@ -52,12 +77,12 @@ public class AddCommand extends CommandAreaShop {
 				&& !sender.hasPermission("areashop.createbuy")
 				&& !sender.hasPermission("areashop.createbuy.member")
 				&& !sender.hasPermission("areashop.createbuy.owner")) {
-			plugin.message(sender, "add-noPermission");
+			messageBridge.message(sender, "add-noPermission");
 			return;
 		}
 
 		if(args.length < 2 || args[1] == null || (!"rent".equalsIgnoreCase(args[1]) && !"buy".equalsIgnoreCase(args[1]))) {
-			plugin.message(sender, "add-help");
+			messageBridge.message(sender, "add-help");
 			return;
 		}
 		Map<String, ProtectedRegion> regions = new HashMap<>();
@@ -68,18 +93,18 @@ public class AddCommand extends CommandAreaShop {
 		}
 		if(args.length == 2) {
 			if(player == null) {
-				plugin.message(sender, "cmd-weOnlyByPlayer");
+				messageBridge.message(sender, "cmd-weOnlyByPlayer");
 				return;
 			}
-			WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+			WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 			if(selection == null) {
-				plugin.message(player, "cmd-noSelection");
+				messageBridge.message(player, "cmd-noSelection");
 				return;
 			}
 			world = selection.getWorld();
 			regions = Utils.getWorldEditRegionsInSelection(selection).stream().collect(Collectors.toMap(ProtectedRegion::getId, region -> region));
 			if(regions.isEmpty()) {
-				plugin.message(player, "cmd-noWERegionsFound");
+				messageBridge.message(player, "cmd-noWERegionsFound");
 				return;
 			}
 		} else {
@@ -87,7 +112,7 @@ public class AddCommand extends CommandAreaShop {
 				if(args.length == 4) {
 					world = Bukkit.getWorld(args[3]);
 					if(world == null) {
-						plugin.message(sender, "add-incorrectWorld", args[3]);
+						messageBridge.message(sender, "add-incorrectWorld", args[3]);
 						return;
 					}
 				} else {
@@ -95,19 +120,19 @@ public class AddCommand extends CommandAreaShop {
 				}
 			} else {
 				if(args.length < 4) {
-					plugin.message(sender, "add-specifyWorld");
+					messageBridge.message(sender, "add-specifyWorld");
 					return;
 				} else {
 					world = Bukkit.getWorld(args[3]);
 					if(world == null) {
-						plugin.message(sender, "add-incorrectWorld", args[3]);
+						messageBridge.message(sender, "add-incorrectWorld", args[3]);
 						return;
 					}
 				}
 			}
 			ProtectedRegion region = plugin.getRegionManager(world).getRegion(args[2]);
 			if(region == null) {
-				plugin.message(sender, "cmd-noRegion", args[2]);
+				messageBridge.message(sender, "cmd-noRegion", args[2]);
 				return;
 			}
 			regions.put(args[2], region);
@@ -124,28 +149,29 @@ public class AddCommand extends CommandAreaShop {
 		TreeSet<String> namesBlacklisted = new TreeSet<>();
 		TreeSet<String> namesNoPermission = new TreeSet<>();
 		TreeSet<String> namesAddCancelled = new TreeSet<>(); // Denied by an event listener
-		Utils.runAsBatches(regions.entrySet(),
-			Math.min(plugin.getConfig().getInt("adding.regionsPerTick"), 1),
-				(regionEntry) -> {
+		Do.forAll(
+			plugin.getConfig().getInt("adding.regionsPerTick"),
+			regions.entrySet(),
+			regionEntry -> {
 				String regionName = regionEntry.getKey();
 				ProtectedRegion region = regionEntry.getValue();
 				// Determine if the player is an owner or member of the region
-				boolean isMember = finalPlayer != null && plugin.getWorldGuardHandler().containsMember(region, finalPlayer.getUniqueId());
-				boolean isOwner = finalPlayer != null && plugin.getWorldGuardHandler().containsOwner(region, finalPlayer.getUniqueId());
+				boolean isMember = finalPlayer != null && worldGuardInterface.containsMember(region, finalPlayer.getUniqueId());
+				boolean isOwner = finalPlayer != null && worldGuardInterface.containsOwner(region, finalPlayer.getUniqueId());
 				String type;
 				if(isRent) {
 					type = "rent";
 				} else {
 					type = "buy";
 				}
-				FileManager.AddResult result = plugin.getFileManager().checkRegionAdd(sender, region, world, isRent ? GeneralRegion.RegionType.RENT : GeneralRegion.RegionType.BUY);
-				if(result == FileManager.AddResult.ALREADYADDED) {
+				IFileManager.AddResult result = plugin.getFileManager().checkRegionAdd(sender, region, world, isRent ? GeneralRegion.RegionType.RENT : GeneralRegion.RegionType.BUY);
+				if(result == IFileManager.AddResult.ALREADYADDED) {
 					regionsAlready.add(plugin.getFileManager().getRegion(regionName));
-				} else if(result == FileManager.AddResult.ALREADYADDEDOTHERWORLD) {
+				} else if(result == IFileManager.AddResult.ALREADYADDEDOTHERWORLD) {
 					regionsAlreadyOtherWorld.add(plugin.getFileManager().getRegion(regionName));
-				} else if(result == FileManager.AddResult.BLACKLISTED) {
+				} else if(result == IFileManager.AddResult.BLACKLISTED) {
 					namesBlacklisted.add(regionName);
-				} else if(result == FileManager.AddResult.NOPERMISSION) {
+				} else if(result == IFileManager.AddResult.NOPERMISSION) {
 					namesNoPermission.add(regionName);
 				} else {
 					// Check if the player should be landlord
@@ -153,8 +179,8 @@ public class AddCommand extends CommandAreaShop {
 							&& ((sender.hasPermission("areashop.create" + type + ".owner") && isOwner)
 							|| (sender.hasPermission("areashop.create" + type + ".member") && isMember)));
 					List<UUID> existing = new ArrayList<>();
-					existing.addAll(plugin.getWorldGuardHandler().getOwners(region).asUniqueIdList());
-					existing.addAll(plugin.getWorldGuardHandler().getMembers(region).asUniqueIdList());
+					existing.addAll(worldGuardInterface.getOwners(region).asUniqueIdList());
+					existing.addAll(worldGuardInterface.getMembers(region).asUniqueIdList());
 
 					AreaShop.debug("regionAddLandlordStatus:", regionName,
 							"landlord:", landlord,
@@ -166,7 +192,7 @@ public class AddCommand extends CommandAreaShop {
 							"memberPermission:", sender.hasPermission("areashop.create" + type + ".member"));
 
 					if(isRent) {
-						RentRegion rent = new RentRegion(regionName, world);
+						RentRegion rent = regionFactory.createRentRegion(regionName, world);
 						// Set landlord
 						if(landlord) {
 							rent.setLandlord(finalPlayer.getUniqueId(), finalPlayer.getName());
@@ -209,7 +235,7 @@ public class AddCommand extends CommandAreaShop {
 
 						regionsSuccess.add(rent);
 					} else {
-						BuyRegion buy = new BuyRegion(regionName, world);
+						BuyRegion buy = regionFactory.createBuyRegion(regionName, world);
 						// Set landlord
 						if(landlord) {
 							buy.setLandlord(finalPlayer.getUniqueId(), finalPlayer.getName());
@@ -253,39 +279,40 @@ public class AddCommand extends CommandAreaShop {
 						regionsSuccess.add(buy);
 					}
 				}
-			}, false).thenAccept(
-			(success) -> {
+			},
+			() -> {
 				if(!regionsSuccess.isEmpty()) {
-					plugin.message(sender, "add-success", args[1], Utils.combinedMessage(regionsSuccess, "region"));
+					messageBridge.message(sender, "add-success", args[1], Utils.combinedMessage(regionsSuccess, "region"));
 				}
 				if(!regionsAlready.isEmpty()) {
-					plugin.message(sender, "add-failed", Utils.combinedMessage(regionsAlready, "region"));
+					messageBridge.message(sender, "add-failed", Utils.combinedMessage(regionsAlready, "region"));
 				}
 				if(!regionsAlreadyOtherWorld.isEmpty()) {
-					plugin.message(sender, "add-failedOtherWorld", Utils.combinedMessage(regionsAlreadyOtherWorld, "region"));
+					messageBridge.message(sender, "add-failedOtherWorld", Utils.combinedMessage(regionsAlreadyOtherWorld, "region"));
 				}
 				if(!regionsRentCancelled.isEmpty()) {
-					plugin.message(sender, "add-rentCancelled", Utils.combinedMessage(regionsRentCancelled, "region"));
+					messageBridge.message(sender, "add-rentCancelled", Utils.combinedMessage(regionsRentCancelled, "region"));
 				}
 				if(!regionsBuyCancelled.isEmpty()) {
-					plugin.message(sender, "add-buyCancelled", Utils.combinedMessage(regionsBuyCancelled, "region"));
+					messageBridge.message(sender, "add-buyCancelled", Utils.combinedMessage(regionsBuyCancelled, "region"));
 				}
 				if(!namesBlacklisted.isEmpty()) {
-					plugin.message(sender, "add-blacklisted", Utils.createCommaSeparatedList(namesBlacklisted));
+					messageBridge.message(sender, "add-blacklisted", Utils.createCommaSeparatedList(namesBlacklisted));
 				}
 				if(!namesNoPermission.isEmpty()) {
-					plugin.message(sender, "add-noPermissionRegions", Utils.createCommaSeparatedList(namesNoPermission));
-					plugin.message(sender, "add-noPermissionOwnerMember");
+					messageBridge.message(sender, "add-noPermissionRegions", Utils.createCommaSeparatedList(namesNoPermission));
+					messageBridge.message(sender, "add-noPermissionOwnerMember");
 				}
 				if(!namesAddCancelled.isEmpty()) {
-					plugin.message(sender, "add-rentCancelled", Utils.createCommaSeparatedList(namesAddCancelled));
+					messageBridge.message(sender, "add-rentCancelled", Utils.createCommaSeparatedList(namesAddCancelled));
 				}
-			});
+			}
+		);
 	}
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-		List<String> result = new LinkedList<>();
+		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
 			if(sender.hasPermission("areashop.createrent")) {
 				result.add("rent");
@@ -294,8 +321,7 @@ public class AddCommand extends CommandAreaShop {
 				result.add("buy");
 			}
 		} else if(toComplete == 3) {
-			if(sender instanceof Player) {
-				Player player = (Player)sender;
+			if(sender instanceof Player player) {
 				if(sender.hasPermission("areashop.createrent") || sender.hasPermission("areashop.createbuy")) {
 					for(ProtectedRegion region : plugin.getRegionManager(player.getWorld()).getRegions().values()) {
 						result.add(region.getId());

AreaShop/src/main/java/me/wiefferink/areashop/commands/AddfriendCommand.java

@@ -1,135 +1,142 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class AddfriendCommand extends CommandAreaShop {
 
-	@Override
-	public String getCommandStart() {
-		return "areashop addfriend";
-	}
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
+    @Inject
+    private Plugin plugin;
 
-	@Override
-	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.addfriendall") || target.hasPermission("areashop.addfriend")) {
-			return "help-addFriend";
-		}
-		return null;
-	}
+    @Inject
+    private OfflinePlayerHelper offlinePlayerHelper;
 
-	@SuppressWarnings("deprecation")
-	@Override
-	public void execute(CommandSender sender, String[] args) {
-		if(!sender.hasPermission("areashop.addfriend") && !sender.hasPermission("areashop.addfriendall")) {
-			plugin.message(sender, "addfriend-noPermission");
-			return;
-		}
+    @Inject
+    private BukkitSchedulerExecutor executor;
 
-		if(args.length < 2) {
-			plugin.message(sender, "addfriend-help");
-			return;
-		}
+    @Override
+    public String getCommandStart() {
+        return "areashop addfriend";
+    }
 
-		GeneralRegion region;
-		if(args.length <= 2) {
-			if(sender instanceof Player) {
-				// get the region by location
-				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
-					return;
-				} else {
-					region = regions.get(0);
-				}
-			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
-				return;
-			}
-		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
-			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[2]);
-				return;
-			}
-		}
-		if(sender.hasPermission("areashop.addfriendall")) {
-			if((region instanceof RentRegion && !((RentRegion)region).isRented())
-					|| (region instanceof BuyRegion && !((BuyRegion)region).isSold())) {
-				plugin.message(sender, "addfriend-noOwner", region);
-				return;
-			}
-			OfflinePlayer friend = Bukkit.getOfflinePlayer(args[1]);
-			if(friend.getLastPlayed() == 0 && !friend.isOnline() && !plugin.getConfig().getBoolean("addFriendNotExistingPlayers")) {
-				plugin.message(sender, "addfriend-notVisited", args[1], region);
-				return;
-			}
-			if(region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
-				plugin.message(sender, "addfriend-alreadyAdded", friend.getName(), region);
-				return;
-			}
-			if(region.isOwner(friend.getUniqueId())) {
-				plugin.message(sender, "addfriend-self", friend.getName(), region);
-				return;
-			}
-			if(region.getFriendsFeature().addFriend(friend.getUniqueId(), sender)) {
-				region.update();
-				plugin.message(sender, "addfriend-successOther", friend.getName(), region);
-			}
-		} else {
-			if(sender.hasPermission("areashop.addfriend") && sender instanceof Player) {
-				if(region.isOwner((Player)sender)) {
-					OfflinePlayer friend = Bukkit.getOfflinePlayer(args[1]);
-					if(friend.getLastPlayed() == 0 && !friend.isOnline() && !plugin.getConfig().getBoolean("addFriendNotExistingPlayers")) {
-						plugin.message(sender, "addfriend-notVisited", args[1], region);
-						return;
-					}
-					if(region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
-						plugin.message(sender, "addfriend-alreadyAdded", friend.getName(), region);
-						return;
-					}
-					if(region.isOwner(friend.getUniqueId())) {
-						plugin.message(sender, "addfriend-self", friend.getName(), region);
-						return;
-					}
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.addfriendall") || target.hasPermission("areashop.addfriend")) {
+            return "help-addFriend";
+        }
+        return null;
+    }
 
-					if(region.getFriendsFeature().addFriend(friend.getUniqueId(), sender)) {
-						region.update();
-						plugin.message(sender, "addfriend-success", friend.getName(), region);
-					}
-				} else {
-					plugin.message(sender, "addfriend-noPermissionOther", region);
-				}
-			} else {
-				plugin.message(sender, "addfriend-noPermission", region);
-			}
-		}
-	}
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.addfriend") && !sender.hasPermission("areashop.addfriendall")) {
+            messageBridge.message(sender, "addfriend-noPermission");
+            return;
+        }
 
-	@Override
-	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-		ArrayList<String> result = new ArrayList<>();
-		if(toComplete == 2) {
-			for(Player player : Utils.getOnlinePlayers()) {
-				result.add(player.getName());
-			}
-		} else if(toComplete == 3) {
-			result.addAll(plugin.getFileManager().getRegionNames());
-		}
-		return result;
-	}
+        if (args.length < 2) {
+            messageBridge.message(sender, "addfriend-help");
+            return;
+        }
+
+        GeneralRegion region;
+        if (args.length == 2) {
+            if (sender instanceof Player player) {
+                // get the region by location
+                List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+                if (regions.isEmpty()) {
+                    messageBridge.message(sender, "cmd-noRegionsAtLocation");
+                    return;
+                } else if (regions.size() > 1) {
+                    messageBridge.message(sender, "cmd-moreRegionsAtLocation");
+                    return;
+                } else {
+                    region = regions.get(0);
+                }
+            } else {
+                messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
+                return;
+            }
+        } else {
+            region = fileManager.getRegion(args[2]);
+            if (region == null) {
+                messageBridge.message(sender, "cmd-notRegistered", args[2]);
+                return;
+            }
+        }
+        if (sender.hasPermission("areashop.addfriendall")) {
+            if ((region instanceof RentRegion rentRegion && !rentRegion.isRented())
+                    || (region instanceof BuyRegion buyRegion && !buyRegion.isSold())) {
+                messageBridge.message(sender, "addfriend-noOwner", region);
+                return;
+            }
+            this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(friend -> {
+                if (friend.hasPlayedBefore() && !friend.isOnline() && !plugin.getConfig().getBoolean("addFriendNotExistingPlayers")) {
+                    messageBridge.message(sender, "addfriend-notVisited", args[1], region);
+                } else if (region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
+                    messageBridge.message(sender, "addfriend-alreadyAdded", friend.getName(), region);
+                } else if (region.isOwner(friend.getUniqueId())) {
+                    messageBridge.message(sender, "addfriend-self", friend.getName(), region);
+                } else if (region.getFriendsFeature().addFriend(friend.getUniqueId(), sender)) {
+                    region.update();
+                    messageBridge.message(sender, "addfriend-successOther", friend.getName(), region);
+                }
+            }, this.executor);
+            return;
+        }
+        if (!sender.hasPermission("areashop.addfriend") || !(sender instanceof Player player)) {
+            messageBridge.message(sender, "addfriend-noPermission", region);
+            return;
+        }
+        if (!region.isOwner(player)) {
+            messageBridge.message(sender, "addfriend-noPermissionOther", region);
+            return;
+        }
+        this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(friend -> {
+            if (friend.getLastPlayed() == 0 && !friend.isOnline() && !plugin.getConfig().getBoolean("addFriendNotExistingPlayers")) {
+                messageBridge.message(sender, "addfriend-notVisited", args[1], region);
+            } else if (region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
+                messageBridge.message(sender, "addfriend-alreadyAdded", friend.getName(), region);
+            } else if (region.isOwner(friend.getUniqueId())) {
+                messageBridge.message(sender, "addfriend-self", friend.getName(), region);
+            } else if (region.getFriendsFeature().addFriend(friend.getUniqueId(), sender)) {
+                region.update();
+                messageBridge.message(sender, "addfriend-success", friend.getName(), region);
+            }
+        }, this.executor);
+    }
+
+    @Override
+    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+        ArrayList<String> result = new ArrayList<>();
+        if (toComplete == 2) {
+            for (Player player : Utils.getOnlinePlayers()) {
+                result.add(player.getName());
+            }
+        } else if (toComplete == 3) {
+            result.addAll(fileManager.getRegionNames());
+        }
+        return result;
+    }
 }
 
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/AddsignCommand.java

@@ -1,128 +1,132 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.features.signs.RegionSign;
-import me.wiefferink.areashop.features.signs.SignsFeature;
+import me.wiefferink.areashop.features.signs.SignManager;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Materials;
+import me.wiefferink.areashop.tools.SignUtils;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
-import org.bukkit.block.BlockFace;
-import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.type.Sign;
-import org.bukkit.block.data.type.WallSign;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 import org.bukkit.util.BlockIterator;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.Set;
 
+@Singleton
 public class AddsignCommand extends CommandAreaShop {
 
-    @Override
-    public String getCommandStart() {
-        return "areashop addsign";
-    }
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private SignManager signManager;
+	@Inject
+	private Plugin plugin;
 
-    @Override
-    public String getHelp(CommandSender target) {
-        if (target.hasPermission("areashop.addsign")) {
-            return "help-addsign";
-        }
-        return null;
-    }
+	@Override
+	public String getCommandStart() {
+		return "areashop addsign";
+	}
 
-    @Override
-    public void execute(CommandSender sender, String[] args) {
-        if (!sender.hasPermission("areashop.addsign")) {
-            plugin.message(sender, "addsign-noPermission");
-            return;
-        }
-        if (!(sender instanceof Player)) {
-            plugin.message(sender, "cmd-onlyByPlayer");
-            return;
-        }
-        Player player = (Player) sender;
+	@Override
+	public String getHelp(CommandSender target) {
+		if(target.hasPermission("areashop.addsign")) {
+			return "help-addsign";
+		}
+		return null;
+	}
 
-        // Get the sign
-        Block block = null;
-        BlockIterator blockIterator = new BlockIterator(player, 100);
-        while (blockIterator.hasNext() && block == null) {
-            Block next = blockIterator.next();
-            if (next.getType() != Material.AIR) {
-                block = next;
-            }
-        }
-        if (block == null || !Materials.isSign(block.getType())) {
-            plugin.message(sender, "addsign-noSign");
-            return;
-        }
+	@Override
+	public void execute(CommandSender sender, String[] args) {
+		if(!sender.hasPermission("areashop.addsign")) {
+			messageBridge.message(sender, "addsign-noPermission");
+			return;
+		}
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
+			return;
+		}
 
-        GeneralRegion region;
-        if (args.length > 1) {
-            // Get region by argument
-            region = plugin.getFileManager().getRegion(args[1]);
-            if (region == null) {
-                plugin.message(sender, "cmd-notRegistered", args[1]);
-                return;
-            }
-        } else {
-            // Get region by sign position
-            List<GeneralRegion> regions = Utils.getImportantRegions(block.getLocation());
-            if (regions.isEmpty()) {
-                plugin.message(sender, "addsign-noRegions");
-                return;
-            } else if (regions.size() > 1) {
-                plugin.message(sender, "addsign-couldNotDetect", regions.get(0).getName(), regions.get(1).getName());
-                return;
-            }
-            region = regions.get(0);
-        }
-        String profile = null;
-        if (args.length > 2) {
-            profile = args[2];
-            Set<String> profiles = plugin.getConfig().getConfigurationSection("signProfiles").getKeys(false);
-            if (!profiles.contains(profile)) {
-                plugin.message(sender, "addsign-wrongProfile", Utils.createCommaSeparatedList(profiles), region);
-                return;
-            }
-        }
-        RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-        if (regionSign != null) {
-            plugin.message(sender, "addsign-alreadyRegistered", regionSign.getRegion());
-            return;
-        }
+		// Get the sign
+		Block block = null;
+		BlockIterator blockIterator = new BlockIterator(player, 100);
+		while(blockIterator.hasNext() && block == null) {
+			Block next = blockIterator.next();
+			if(next.getType() != Material.AIR) {
+				block = next;
+			}
+		}
+		if(block == null || !Materials.isSign(block.getType())) {
+			messageBridge.message(sender, "addsign-noSign");
+			return;
+		}
 
-        final BlockData data = block.getBlockData();
-        final BlockFace rotation;
-        if (data instanceof Sign) {
-            rotation = ((Sign) data).getRotation();
-        } else if (data instanceof WallSign) {
-            rotation = ((WallSign) data).getFacing();
-        } else {
-            rotation = null;
-        }
-        region.getSignsFeature().addSign(block.getLocation(), block.getType(), rotation, profile);
-        if (profile == null) {
-            plugin.message(sender, "addsign-success", region);
-        } else {
-            plugin.message(sender, "addsign-successProfile", profile, region);
-        }
-        region.update();
-    }
+		GeneralRegion region;
+		if(args.length > 1) {
+			// Get region by argument
+			region = fileManager.getRegion(args[1]);
+			if(region == null) {
+				messageBridge.message(sender, "cmd-notRegistered", args[1]);
+				return;
+			}
+		} else {
+			// Get region by sign position
+			List<GeneralRegion> regions = Utils.getImportantRegions(block.getLocation());
+			if(regions.isEmpty()) {
+				messageBridge.message(sender, "addsign-noRegions");
+				return;
+			} else if(regions.size() > 1) {
+				messageBridge.message(sender, "addsign-couldNotDetect", regions.get(0).getName(), regions.get(1).getName());
+				return;
+			}
+			region = regions.get(0);
+		}
+		String profile = null;
+		if(args.length > 2) {
+			profile = args[2];
+			Set<String> profiles = plugin.getConfig().getConfigurationSection("signProfiles").getKeys(false);
+			if(!profiles.contains(profile)) {
+				messageBridge.message(sender, "addsign-wrongProfile", Utils.createCommaSeparatedList(profiles), region);
+				return;
+			}
+		}
+		Optional<RegionSign> optionalRegionSign = signManager.signFromLocation(block.getLocation());
+		if(optionalRegionSign.isPresent()) {
+			RegionSign regionSign = optionalRegionSign.get();
+			messageBridge.message(sender, "addsign-alreadyRegistered", regionSign.getRegion());
+			return;
+		}
 
-    @Override
-    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-        List<String> result = new ArrayList<>();
-        if (toComplete == 2) {
-            result.addAll(plugin.getFileManager().getRegionNames());
-        } else if (toComplete == 3) {
-            result.addAll(plugin.getConfig().getStringList("signProfiles"));
-        }
-        return result;
-    }
+		region.getSignsFeature().addSign(block.getLocation(), block.getType(), SignUtils.getSignFacing(block), profile);
+		if(profile == null) {
+			messageBridge.message(sender, "addsign-success", region);
+		} else {
+			messageBridge.message(sender, "addsign-successProfile", profile, region);
+		}
+		region.update();
+	}
+
+	@Override
+	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+		List<String> result = new ArrayList<>();
+		if(toComplete == 2) {
+			result.addAll(fileManager.getRegionNames());
+		} else if(toComplete == 3) {
+			result.addAll(plugin.getConfig().getStringList("signProfiles"));
+		}
+		return result;
+	}
 
 }
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/BuyCommand.java

@@ -1,15 +1,28 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class BuyCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private Plugin plugin;
+	@Inject
+	private IFileManager fileManager;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop buy";
@@ -26,18 +39,17 @@ public class BuyCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.buy")) {
-			plugin.message(sender, "buy-noPermission");
+			messageBridge.message(sender, "buy-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 		if(args.length > 1 && args[1] != null) {
-			BuyRegion region = plugin.getFileManager().getBuy(args[1]);
+			BuyRegion region = fileManager.getBuy(args[1]);
 			if(region == null) {
-				plugin.message(player, "buy-notBuyable", args[1]);
+				messageBridge.message(player, "buy-notBuyable", args[1]);
 			} else {
 				region.buy(player);
 			}
@@ -45,9 +57,9 @@ public class BuyCommand extends CommandAreaShop {
 			// get the region by location
 			List<BuyRegion> regions = Utils.getImportantBuyRegions(((Player)sender).getLocation());
 			if(regions.isEmpty()) {
-				plugin.message(sender, "cmd-noRegionsAtLocation");
+				messageBridge.message(sender, "cmd-noRegionsAtLocation");
 			} else if(regions.size() > 1) {
-				plugin.message(sender, "cmd-moreRegionsAtLocation");
+				messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 			} else {
 				regions.get(0).buy(player);
 			}
@@ -58,7 +70,7 @@ public class BuyCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(BuyRegion region : plugin.getFileManager().getBuys()) {
+			for(BuyRegion region : fileManager.getBuysRef()) {
 				if(!region.isSold()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/CommandAreaShop.java

@@ -1,23 +1,23 @@
 package me.wiefferink.areashop.commands;
 
-import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.apache.commons.lang.StringUtils;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 /**
  * Abstract class for generalising command classes.
  */
 public abstract class CommandAreaShop {
 
-	final AreaShop plugin = AreaShop.getInstance();
-
 	private final Map<String, CommandTime> lastUsed;
 
-	public CommandAreaShop() {
+	protected CommandAreaShop() {
 		lastUsed = new HashMap<>();
 	}
 
@@ -43,7 +43,7 @@ public abstract class CommandAreaShop {
 	 * @return A collection with all the possibilities for argument to complete
 	 */
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-		return Collections.emptyList();
+		return new ArrayList<>();
 	}
 
 	/**

AreaShop/src/main/java/me/wiefferink/areashop/commands/DelCommand.java

@@ -1,7 +1,12 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.events.ask.DeletingRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -12,10 +17,17 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.TreeSet;
-import java.util.concurrent.CompletableFuture;
 
+@Singleton
 public class DelCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop del";
@@ -36,24 +48,23 @@ public class DelCommand extends CommandAreaShop {
 
 				&& !sender.hasPermission("areashop.destroyrent")
 				&& !sender.hasPermission("areashop.destroyrent.landlord")) {
-			plugin.message(sender, "del-noPermission");
+			messageBridge.message(sender, "del-noPermission");
 			return;
 		}
 		if(args.length < 2) {
 			// Only players can have a selection
-			if(!(sender instanceof Player)) {
-				plugin.message(sender, "cmd-weOnlyByPlayer");
+			if(!(sender instanceof Player player)) {
+				messageBridge.message(sender, "cmd-weOnlyByPlayer");
 				return;
 			}
-			Player player = (Player)sender;
-			WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+			WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 			if(selection == null) {
-				plugin.message(player, "cmd-noSelection");
+				messageBridge.message(player, "cmd-noSelection");
 				return;
 			}
 			List<GeneralRegion> regions = Utils.getRegionsInSelection(selection);
-			if(regions.isEmpty()) {
-				plugin.message(player, "cmd-noRegionsFound");
+			if(regions == null || regions.isEmpty()) {
+				messageBridge.message(player, "cmd-noRegionsFound");
 				return;
 			}
 			// Start removing the regions that he has permission for
@@ -74,7 +85,7 @@ public class DelCommand extends CommandAreaShop {
 					}
 				}
 
-				DeletingRegionEvent event = plugin.getFileManager().deleteRegion(region, true);
+				DeletingRegionEvent event = fileManager.deleteRegion(region, true);
 				if (event.isCancelled()) {
 					regionsCancelled.add(region);
 				} else {
@@ -84,50 +95,46 @@ public class DelCommand extends CommandAreaShop {
 
 			// Send messages
 			if(!namesSuccess.isEmpty()) {
-				plugin.message(sender, "del-success", Utils.createCommaSeparatedList(namesSuccess));
+				messageBridge.message(sender, "del-success", Utils.createCommaSeparatedList(namesSuccess));
 			}
 			if(!regionsFailed.isEmpty()) {
-				plugin.message(sender, "del-failed", Utils.combinedMessage(regionsFailed, "region"));
+				messageBridge.message(sender, "del-failed", Utils.combinedMessage(regionsFailed, "region"));
 			}
 			if(!regionsCancelled.isEmpty()) {
-				plugin.message(sender, "del-cancelled", Utils.combinedMessage(regionsCancelled, "region"));
+				messageBridge.message(sender, "del-cancelled", Utils.combinedMessage(regionsCancelled, "region"));
 			}
 		} else {
-			CompletableFuture<GeneralRegion> future = plugin.getFileManager().getRegionUnsafe(args[1]);
-			Utils.newChain()
-				 .future(future)
-				 .syncLast(region -> {
-					 if(region == null) {
-						 plugin.message(sender, "cmd-notRegistered", args[1]);
-						 return;
-					 }
-					 boolean isLandlord = sender instanceof Player && region.isLandlord(((Player)sender).getUniqueId());
-					 if(region instanceof RentRegion) {
-						 // Remove the rent if the player has permission
-						 if(sender.hasPermission("areashop.destroyrent") || (isLandlord && sender.hasPermission("areashop.destroyrent.landlord"))) {
-							 DeletingRegionEvent event = plugin.getFileManager().deleteRegion(region, true);
-							 if (event.isCancelled()) {
-								 plugin.message(sender, "general-cancelled", event.getReason());
-							 } else {
-								 plugin.message(sender, "destroy-successRent", region);
-							 }
-						 } else {
-							 plugin.message(sender, "destroy-noPermissionRent", region);
-						 }
-					 } else if(region instanceof BuyRegion) {
-						 // Remove the buy if the player has permission
-						 if(sender.hasPermission("areashop.destroybuy") || (isLandlord && sender.hasPermission("areashop.destroybuy.landlord"))) {
-							 DeletingRegionEvent event = plugin.getFileManager().deleteRegion(region, true);
-							 if (event.isCancelled()) {
-								 plugin.message(sender, "general-cancelled", event.getReason());
-							 } else {
-								 plugin.message(sender, "destroy-successBuy", region);
-							 }
-						 } else {
-							 plugin.message(sender, "destroy-noPermissionBuy", region);
-						 }
-					 }
-			}).execute();
+			GeneralRegion region = fileManager.getRegion(args[1]);
+			if(region == null) {
+				messageBridge.message(sender, "cmd-notRegistered", args[1]);
+				return;
+			}
+			boolean isLandlord = sender instanceof Player && region.isLandlord(((Player)sender).getUniqueId());
+			if(region instanceof RentRegion) {
+				// Remove the rent if the player has permission
+				if(sender.hasPermission("areashop.destroyrent") || (isLandlord && sender.hasPermission("areashop.destroyrent.landlord"))) {
+					DeletingRegionEvent event = fileManager.deleteRegion(region, true);
+					if (event.isCancelled()) {
+						messageBridge.message(sender, "general-cancelled", event.getReason());
+					} else {
+						messageBridge.message(sender, "destroy-successRent", region);
+					}
+				} else {
+					messageBridge.message(sender, "destroy-noPermissionRent", region);
+				}
+			} else if(region instanceof BuyRegion) {
+				// Remove the buy if the player has permission
+				if(sender.hasPermission("areashop.destroybuy") || (isLandlord && sender.hasPermission("areashop.destroybuy.landlord"))) {
+					DeletingRegionEvent event = fileManager.deleteRegion(region, true);
+					if (event.isCancelled()) {
+						messageBridge.message(sender, "general-cancelled", event.getReason());
+					} else {
+						messageBridge.message(sender, "destroy-successBuy", region);
+					}
+				} else {
+					messageBridge.message(sender, "destroy-noPermissionBuy", region);
+				}
+			}
 		}
 	}
 
@@ -135,7 +142,7 @@ public class DelCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/DelfriendCommand.java

@@ -1,120 +1,134 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class DelfriendCommand extends CommandAreaShop {
 
-	@Override
-	public String getCommandStart() {
-		return "areashop delfriend";
-	}
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
 
-	@Override
-	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.delfriendall") || target.hasPermission("areashop.delfriend")) {
-			return "help-delFriend";
-		}
-		return null;
-	}
+    @Inject
+    private OfflinePlayerHelper offlinePlayerHelper;
 
-	/**
-	 * Check if a person can remove friends.
-	 * @param person The person to check
-	 * @param region The region to check for
-	 * @return true if the person can remove friends, otherwise false
-	 */
-	public static boolean canUse(CommandSender person, GeneralRegion region) {
-		if(person.hasPermission("areashop.delfriendall")) {
-			return true;
-		}
-		if(person instanceof Player) {
-			Player player = (Player)person;
-			return region.isOwner(player) && player.hasPermission("areashop.delfriend");
-		}
-		return false;
-	}
+    @Inject
+    private BukkitSchedulerExecutor executor;
 
-	@SuppressWarnings("deprecation")
-	@Override
-	public void execute(CommandSender sender, String[] args) {
-		if(!sender.hasPermission("areashop.delfriend") && !sender.hasPermission("areashop.delfriendall")) {
-			plugin.message(sender, "delfriend-noPermission");
-			return;
-		}
-		if(args.length < 2) {
-			plugin.message(sender, "delfriend-help");
-			return;
-		}
-		GeneralRegion region;
-		if(args.length <= 2) {
-			if(sender instanceof Player) {
-				// get the region by location
-				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
-					return;
-				} else {
-					region = regions.get(0);
-				}
-			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
-				return;
-			}
-		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
-			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[2]);
-				return;
-			}
-		}
-		if(sender.hasPermission("areashop.delfriendall")) {
-			if((region instanceof RentRegion && !((RentRegion)region).isRented())
-					|| (region instanceof BuyRegion && !((BuyRegion)region).isSold())) {
-				plugin.message(sender, "delfriend-noOwner", region);
-				return;
-			}
-			OfflinePlayer friend = Bukkit.getOfflinePlayer(args[1]);
-			if(!region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
-				plugin.message(sender, "delfriend-notAdded", friend.getName(), region);
-				return;
-			}
-			if(region.getFriendsFeature().deleteFriend(friend.getUniqueId(), sender)) {
-				region.update();
-				plugin.message(sender, "delfriend-successOther", friend.getName(), region);
-			}
-		} else {
-			if(sender.hasPermission("areashop.delfriend") && sender instanceof Player) {
-				if(region.isOwner((Player)sender)) {
-					OfflinePlayer friend = Bukkit.getOfflinePlayer(args[1]);
-					if(!region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
-						plugin.message(sender, "delfriend-notAdded", friend.getName(), region);
-						return;
-					}
-					if(region.getFriendsFeature().deleteFriend(friend.getUniqueId(), sender)) {
-						region.update();
-						plugin.message(sender, "delfriend-success", friend.getName(), region);
-					}
-				} else {
-					plugin.message(sender, "delfriend-noPermissionOther", region);
-				}
-			} else {
-				plugin.message(sender, "delfriend-noPermission", region);
-			}
-		}
-	}
+    @Override
+    public String getCommandStart() {
+        return "areashop delfriend";
+    }
+
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.delfriendall") || target.hasPermission("areashop.delfriend")) {
+            return "help-delFriend";
+        }
+        return null;
+    }
+
+    /**
+     * Check if a person can remove friends.
+     *
+     * @param person The person to check
+     * @param region The region to check for
+     * @return true if the person can remove friends, otherwise false
+     */
+    public static boolean canUse(CommandSender person, GeneralRegion region) {
+        if (person.hasPermission("areashop.delfriendall")) {
+            return true;
+        }
+        if (person instanceof Player player) {
+            return region.isOwner(player) && player.hasPermission("areashop.delfriend");
+        }
+        return false;
+    }
+
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.delfriend") && !sender.hasPermission("areashop.delfriendall")) {
+            messageBridge.message(sender, "delfriend-noPermission");
+            return;
+        }
+        if (args.length < 2) {
+            messageBridge.message(sender, "delfriend-help");
+            return;
+        }
+        GeneralRegion region;
+        if (args.length == 2) {
+            if (!(sender instanceof Player player)) {
+                messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
+                return;
+            }
+            // get the region by location
+            List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+            if (regions.isEmpty()) {
+                messageBridge.message(sender, "cmd-noRegionsAtLocation");
+                return;
+            } else if (regions.size() > 1) {
+                messageBridge.message(sender, "cmd-moreRegionsAtLocation");
+                return;
+            } else {
+                region = regions.get(0);
+            }
+        } else {
+            region = fileManager.getRegion(args[2]);
+            if (region == null) {
+                messageBridge.message(sender, "cmd-notRegistered", args[2]);
+                return;
+            }
+        }
+        if (sender.hasPermission("areashop.delfriendall")) {
+            if ((region instanceof RentRegion rentRegion && !rentRegion.isRented())
+                    || (region instanceof BuyRegion buyRegion && !buyRegion.isSold())) {
+                messageBridge.message(sender, "delfriend-noOwner", region);
+                return;
+            }
+            this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(friend -> {
+                if (!region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
+                    messageBridge.message(sender, "delfriend-notAdded", friend.getName(), region);
+                    return;
+                }
+                if (region.getFriendsFeature().deleteFriend(friend.getUniqueId(), sender)) {
+                    region.update();
+                    messageBridge.message(sender, "delfriend-successOther", friend.getName(), region);
+                }
+            }, this.executor);
+            return;
+        }
+        if (!sender.hasPermission("areashop.delfriend") || !(sender instanceof Player player)) {
+            messageBridge.message(sender, "delfriend-noPermission", region);
+            return;
+        }
+        if (!region.isOwner(player)) {
+            messageBridge.message(sender, "delfriend-noPermissionOther", region);
+            return;
+        }
+        this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(friend -> {
+            if (!region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
+                messageBridge.message(sender, "delfriend-notAdded", friend.getName(), region);
+            } else if (region.getFriendsFeature().deleteFriend(friend.getUniqueId(), sender)) {
+                region.update();
+                messageBridge.message(sender, "delfriend-success", friend.getName(), region);
+            }
+        }, this.executor);
+    }
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
@@ -124,7 +138,7 @@ public class DelfriendCommand extends CommandAreaShop {
 				result.add(player.getName());
 			}
 		} else if(toComplete == 3) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/DelsignCommand.java

@@ -1,7 +1,10 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.features.signs.RegionSign;
-import me.wiefferink.areashop.features.signs.SignsFeature;
+import me.wiefferink.areashop.features.signs.SignManager;
 import me.wiefferink.areashop.tools.Materials;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
@@ -11,9 +14,16 @@ import org.bukkit.util.BlockIterator;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 
+@Singleton
 public class DelsignCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private SignManager signManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop delsign";
@@ -30,35 +40,37 @@ public class DelsignCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.delsign")) {
-			plugin.message(sender, "delsign-noPermission");
+			messageBridge.message(sender, "delsign-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 
 		// Get the sign
 		Block block = null;
 		BlockIterator blockIterator = new BlockIterator(player, 100);
 		while(blockIterator.hasNext() && block == null) {
 			Block next = blockIterator.next();
-			if(next.getType() != Material.AIR) {
+			if(!next.getType().isAir()) {
 				block = next;
 			}
 		}
 		if(block == null || !Materials.isSign(block.getType())) {
-			plugin.message(sender, "delsign-noSign");
+			messageBridge.message(sender, "delsign-noSign");
 			return;
 		}
-		RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-		if(regionSign == null) {
-			plugin.message(sender, "delsign-noRegion");
+		Optional<RegionSign> optionalSign = signManager.removeSign(block.getLocation());
+		if(optionalSign.isEmpty()) {
+			messageBridge.message(sender, "delsign-noRegion");
 			return;
 		}
-		plugin.message(sender, "delsign-success", regionSign.getRegion());
+		RegionSign regionSign = optionalSign.get();
+		messageBridge.message(sender, "delsign-success", regionSign.getRegion());
 		regionSign.remove();
+		// Sometimes the RegionSign data is corrupted. Forcefully set the block to air
+		block.setType(Material.AIR);
 	}
 
 	@Override

AreaShop/src/main/java/me/wiefferink/areashop/commands/FindCommand.java

@@ -1,20 +1,34 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
+import net.milkbowl.vault.economy.Economy;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
+import java.util.Collection;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Random;
-import java.util.concurrent.ThreadLocalRandom;
 
+@Singleton
 public class FindCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private Economy economy;
+	@Inject
+	private IFileManager fileManager;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop find";
@@ -31,21 +45,20 @@ public class FindCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.find")) {
-			plugin.message(sender, "find-noPermission");
+			messageBridge.message(sender, "find-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
 		if(args.length <= 1 || args[1] == null || (!args[1].equalsIgnoreCase("buy") && !args[1].equalsIgnoreCase("rent"))) {
-			plugin.message(sender, "find-help");
+			messageBridge.message(sender, "find-help");
 			return;
 		}
-		Player player = (Player)sender;
 		double balance = 0.0;
-		if(plugin.getEconomy() != null) {
-			balance = plugin.getEconomy().getBalance(player);
+		if(economy != null) {
+			balance = economy.getBalance(player);
 		}
 		double maxPrice = 0;
 		boolean maxPriceSet = false;
@@ -56,23 +69,23 @@ public class FindCommand extends CommandAreaShop {
 				maxPrice = Double.parseDouble(args[2]);
 				maxPriceSet = true;
 			} catch(NumberFormatException e) {
-				plugin.message(sender, "find-wrongMaxPrice", args[2]);
+				messageBridge.message(sender, "find-wrongMaxPrice", args[2]);
 				return;
 			}
 		}
 		// Parse optional group argument
 		if(args.length >= 4) {
-			group = plugin.getFileManager().getGroup(args[3]);
+			group = fileManager.getGroup(args[3]);
 			if(group == null) {
-				plugin.message(sender, "find-wrongGroup", args[3]);
+				messageBridge.message(sender, "find-wrongGroup", args[3]);
 				return;
 			}
 		}
 
 		// Find buy regions
 		if(args[1].equalsIgnoreCase("buy")) {
-			List<BuyRegion> regions = plugin.getFileManager().getBuys();
-			List<BuyRegion> results = new ArrayList<>();
+			Collection<BuyRegion> regions = fileManager.getBuysRef();
+			List<BuyRegion> results = new LinkedList<>();
 			for(BuyRegion region : regions) {
 				if(!region.isSold()
 						&& ((region.getPrice() <= balance && !maxPriceSet) || (region.getPrice() <= maxPrice && maxPriceSet))
@@ -83,7 +96,7 @@ public class FindCommand extends CommandAreaShop {
 			}
 			if(!results.isEmpty()) {
 				// Draw a random one
-				BuyRegion region = results.get(ThreadLocalRandom.current().nextInt(results.size()));
+				BuyRegion region = results.get(new Random().nextInt(results.size()));
 				Message onlyInGroup = Message.empty();
 				if(group != null) {
 					onlyInGroup = Message.fromKey("find-onlyInGroup").replacements(args[3]);
@@ -91,9 +104,9 @@ public class FindCommand extends CommandAreaShop {
 
 				// Teleport
 				if(maxPriceSet) {
-					plugin.message(player, "find-successMax", "buy", Utils.formatCurrency(maxPrice), onlyInGroup, region);
+					messageBridge.message(player, "find-successMax", "buy", Utils.formatCurrency(maxPrice), onlyInGroup, region);
 				} else {
-					plugin.message(player, "find-success", "buy", Utils.formatCurrency(balance), onlyInGroup, region);
+					messageBridge.message(player, "find-success", "buy", Utils.formatCurrency(balance), onlyInGroup, region);
 				}
 				region.getTeleportFeature().teleportPlayer(player, region.getBooleanSetting("general.findTeleportToSign"), false);
 			} else {
@@ -102,17 +115,17 @@ public class FindCommand extends CommandAreaShop {
 					onlyInGroup = Message.fromKey("find-onlyInGroup").replacements(args[3]);
 				}
 				if(maxPriceSet) {
-					plugin.message(player, "find-noneFoundMax", "buy", Utils.formatCurrency(maxPrice), onlyInGroup);
+					messageBridge.message(player, "find-noneFoundMax", "buy", Utils.formatCurrency(maxPrice), onlyInGroup);
 				} else {
-					plugin.message(player, "find-noneFound", "buy", Utils.formatCurrency(balance), onlyInGroup);
+					messageBridge.message(player, "find-noneFound", "buy", Utils.formatCurrency(balance), onlyInGroup);
 				}
 			}
 		}
 
 		// Find rental regions
 		else {
-			List<RentRegion> regions = plugin.getFileManager().getRents();
-			List<RentRegion> results = new ArrayList<>();
+			Collection<RentRegion> regions = fileManager.getRentsRef();
+			List<RentRegion> results = new LinkedList<>();
 			for(RentRegion region : regions) {
 				if(!region.isRented()
 						&& ((region.getPrice() <= balance && !maxPriceSet) || (region.getPrice() <= maxPrice && maxPriceSet))
@@ -123,7 +136,7 @@ public class FindCommand extends CommandAreaShop {
 			}
 			if(!results.isEmpty()) {
 				// Draw a random one
-				RentRegion region = results.get(ThreadLocalRandom.current().nextInt(results.size()));
+				RentRegion region = results.get(new Random().nextInt(results.size()));
 				Message onlyInGroup = Message.empty();
 				if(group != null) {
 					onlyInGroup = Message.fromKey("find-onlyInGroup").replacements(args[3]);
@@ -131,9 +144,9 @@ public class FindCommand extends CommandAreaShop {
 
 				// Teleport
 				if(maxPriceSet) {
-					plugin.message(player, "find-successMax", "rent", Utils.formatCurrency(maxPrice), onlyInGroup, region);
+					messageBridge.message(player, "find-successMax", "rent", Utils.formatCurrency(maxPrice), onlyInGroup, region);
 				} else {
-					plugin.message(player, "find-success", "rent", Utils.formatCurrency(balance), onlyInGroup, region);
+					messageBridge.message(player, "find-success", "rent", Utils.formatCurrency(balance), onlyInGroup, region);
 				}
 				region.getTeleportFeature().teleportPlayer(player, region.getBooleanSetting("general.findTeleportToSign"), false);
 			} else {
@@ -142,9 +155,9 @@ public class FindCommand extends CommandAreaShop {
 					onlyInGroup = Message.fromKey("find-onlyInGroup").replacements(args[3]);
 				}
 				if(maxPriceSet) {
-					plugin.message(player, "find-noneFoundMax", "rent", Utils.formatCurrency(maxPrice), onlyInGroup);
+					messageBridge.message(player, "find-noneFoundMax", "rent", Utils.formatCurrency(maxPrice), onlyInGroup);
 				} else {
-					plugin.message(player, "find-noneFound", "rent", Utils.formatCurrency(balance), onlyInGroup);
+					messageBridge.message(player, "find-noneFound", "rent", Utils.formatCurrency(balance), onlyInGroup);
 				}
 			}
 		}

AreaShop/src/main/java/me/wiefferink/areashop/commands/GroupaddCommand.java

@@ -1,7 +1,13 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -11,8 +17,19 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.TreeSet;
 
+@Singleton
 public class GroupaddCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private RegionFactory regionFactory;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop groupadd";
@@ -29,32 +46,31 @@ public class GroupaddCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.groupadd")) {
-			plugin.message(sender, "groupadd-noPermission");
+			messageBridge.message(sender, "groupadd-noPermission");
 			return;
 		}
 		if(args.length < 2 || args[1] == null) {
-			plugin.message(sender, "groupadd-help");
+			messageBridge.message(sender, "groupadd-help");
 			return;
 		}
-		RegionGroup group = plugin.getFileManager().getGroup(args[1]);
+		RegionGroup group = fileManager.getGroup(args[1]);
 		if(group == null) {
-			group = new RegionGroup(plugin, args[1]);
-			plugin.getFileManager().addGroup(group);
+			group = regionFactory.createRegionGroup(args[1]);
+			fileManager.addGroup(group);
 		}
 		if(args.length == 2) {
-			if(!(sender instanceof Player)) {
-				plugin.message(sender, "cmd-weOnlyByPlayer");
+			if(!(sender instanceof Player player)) {
+				messageBridge.message(sender, "cmd-weOnlyByPlayer");
 				return;
 			}
-			Player player = (Player)sender;
-			WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+			WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 			if(selection == null) {
-				plugin.message(player, "cmd-noSelection");
+				messageBridge.message(player, "cmd-noSelection");
 				return;
 			}
 			List<GeneralRegion> regions = Utils.getRegionsInSelection(selection);
 			if(regions.isEmpty()) {
-				plugin.message(player, "cmd-noRegionsFound");
+				messageBridge.message(player, "cmd-noRegionsFound");
 				return;
 			}
 			TreeSet<GeneralRegion> regionsSuccess = new TreeSet<>();
@@ -67,24 +83,24 @@ public class GroupaddCommand extends CommandAreaShop {
 				}
 			}
 			if(!regionsSuccess.isEmpty()) {
-				plugin.message(player, "groupadd-weSuccess", group.getName(), Utils.combinedMessage(regionsSuccess, "region"));
+				messageBridge.message(player, "groupadd-weSuccess", group.getName(), Utils.combinedMessage(regionsSuccess, "region"));
 			}
 			if(!regionsFailed.isEmpty()) {
-				plugin.message(player, "groupadd-weFailed", group.getName(), Utils.combinedMessage(regionsFailed, "region"));
+				messageBridge.message(player, "groupadd-weFailed", group.getName(), Utils.combinedMessage(regionsFailed, "region"));
 			}
 			// Update all regions, this does it in a task, updating them without lag
-			plugin.getFileManager().updateRegions(new ArrayList<>(regionsSuccess), player);
+			fileManager.updateRegions(new ArrayList<>(regionsSuccess), player);
 		} else {
-			GeneralRegion region = plugin.getFileManager().getRegion(args[2]);
+			GeneralRegion region = fileManager.getRegion(args[2]);
 			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[2]);
+				messageBridge.message(sender, "cmd-notRegistered", args[2]);
 				return;
 			}
 			if(group.addMember(region)) {
 				region.update();
-				plugin.message(sender, "groupadd-success", group.getName(), group.getMembers().size(), region);
+				messageBridge.message(sender, "groupadd-success", group.getName(), group.getMembers().size(), region);
 			} else {
-				plugin.message(sender, "groupadd-failed", group.getName(), region);
+				messageBridge.message(sender, "groupadd-failed", group.getName(), region);
 			}
 		}
 	}
@@ -93,9 +109,9 @@ public class GroupaddCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getGroupNames();
+			result = fileManager.getGroupNames();
 		} else if(toComplete == 3) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/GroupdelCommand.java

@@ -1,7 +1,13 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -11,8 +17,18 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.TreeSet;
 
+@Singleton
 public class GroupdelCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private RegionFactory regionFactory;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop groupdel";
@@ -29,33 +45,32 @@ public class GroupdelCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.groupdel")) {
-			plugin.message(sender, "groupdel-noPermission");
+			messageBridge.message(sender, "groupdel-noPermission");
 			return;
 		}
 		if(args.length < 2 || args[1] == null) {
-			plugin.message(sender, "groupdel-help");
+			messageBridge.message(sender, "groupdel-help");
 			return;
 		}
-		RegionGroup group = plugin.getFileManager().getGroup(args[1]);
+		RegionGroup group = fileManager.getGroup(args[1]);
 		if(group == null) {
-			plugin.message(sender, "groupdel-wrongGroup", args[1]);
+			messageBridge.message(sender, "groupdel-wrongGroup", args[1]);
 			return;
 		}
 
 		if(args.length == 2) {
-			if(!(sender instanceof Player)) {
-				plugin.message(sender, "cmd-weOnlyByPlayer");
+			if(!(sender instanceof Player player)) {
+				messageBridge.message(sender, "cmd-weOnlyByPlayer");
 				return;
 			}
-			Player player = (Player)sender;
-			WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+			WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 			if(selection == null) {
-				plugin.message(player, "cmd-noSelection");
+				messageBridge.message(player, "cmd-noSelection");
 				return;
 			}
 			List<GeneralRegion> regions = Utils.getRegionsInSelection(selection);
 			if(regions.isEmpty()) {
-				plugin.message(player, "cmd-noRegionsFound");
+				messageBridge.message(player, "cmd-noRegionsFound");
 				return;
 			}
 			TreeSet<GeneralRegion> regionsSuccess = new TreeSet<>();
@@ -68,25 +83,25 @@ public class GroupdelCommand extends CommandAreaShop {
 				}
 			}
 			if(!regionsSuccess.isEmpty()) {
-				plugin.message(player, "groupdel-weSuccess", group.getName(), Utils.combinedMessage(regionsSuccess, "region"));
+				messageBridge.message(player, "groupdel-weSuccess", group.getName(), Utils.combinedMessage(regionsSuccess, "region"));
 			}
 			if(!regionsFailed.isEmpty()) {
-				plugin.message(player, "groupdel-weFailed", group.getName(), Utils.combinedMessage(regionsFailed, "region"));
+				messageBridge.message(player, "groupdel-weFailed", group.getName(), Utils.combinedMessage(regionsFailed, "region"));
 			}
 			// Update all regions, this does it in a task, updating them without lag
-			plugin.getFileManager().updateRegions(new ArrayList<>(regionsSuccess), player);
+			fileManager.updateRegions(regionsSuccess, player);
 			group.saveRequired();
 		} else {
-			GeneralRegion region = plugin.getFileManager().getRegion(args[2]);
+			GeneralRegion region = fileManager.getRegion(args[2]);
 			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[2]);
+				messageBridge.message(sender, "cmd-notRegistered", args[2]);
 				return;
 			}
 			if(group.removeMember(region)) {
 				region.update();
-				plugin.message(sender, "groupdel-success", group.getName(), group.getMembers().size(), region);
+				messageBridge.message(sender, "groupdel-success", group.getName(), group.getMembers().size(), region);
 			} else {
-				plugin.message(sender, "groupdel-failed", group.getName(), region);
+				messageBridge.message(sender, "groupdel-failed", group.getName(), region);
 			}
 		}
 	}
@@ -95,9 +110,9 @@ public class GroupdelCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getGroupNames();
+			result = fileManager.getGroupNames();
 		} else if(toComplete == 3) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/GroupinfoCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -8,8 +12,14 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 
+@Singleton
 public class GroupinfoCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop groupinfo";
@@ -27,23 +37,23 @@ public class GroupinfoCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.groupinfo")) {
-			plugin.message(sender, "groupinfo-noPermission");
+			messageBridge.message(sender, "groupinfo-noPermission");
 			return;
 		}
 		if(args.length < 2 || args[1] == null) {
-			plugin.message(sender, "groupinfo-help");
+			messageBridge.message(sender, "groupinfo-help");
 			return;
 		}
-		RegionGroup group = plugin.getFileManager().getGroup(args[1]);
+		RegionGroup group = fileManager.getGroup(args[1]);
 		if(group == null) {
-			plugin.message(sender, "groupinfo-noGroup", args[1]);
+			messageBridge.message(sender, "groupinfo-noGroup", args[1]);
 			return;
 		}
 		Set<String> members = group.getMembers();
 		if(members.isEmpty()) {
-			plugin.message(sender, "groupinfo-noMembers", group.getName());
+			messageBridge.message(sender, "groupinfo-noMembers", group.getName());
 		} else {
-			plugin.message(sender, "groupinfo-members", group.getName(), Utils.createCommaSeparatedList(members));
+			messageBridge.message(sender, "groupinfo-members", group.getName(), Utils.createCommaSeparatedList(members));
 		}
 	}
 
@@ -51,7 +61,7 @@ public class GroupinfoCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getGroupNames();
+			result = fileManager.getGroupNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/GrouplistCommand.java

@@ -1,13 +1,23 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class GrouplistCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop grouplist";
@@ -24,14 +34,14 @@ public class GrouplistCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.grouplist")) {
-			plugin.message(sender, "grouplist-noPermission");
+			messageBridge.message(sender, "grouplist-noPermission");
 			return;
 		}
-		List<String> groups = plugin.getFileManager().getGroupNames();
+		List<String> groups = fileManager.getGroupNames();
 		if(groups.isEmpty()) {
-			plugin.message(sender, "grouplist-noGroups");
+			messageBridge.message(sender, "grouplist-noGroups");
 		} else {
-			plugin.message(sender, "grouplist-success", Utils.createCommaSeparatedList(groups));
+			messageBridge.message(sender, "grouplist-success", Utils.createCommaSeparatedList(groups));
 		}
 	}
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/HelpCommand.java

@@ -1,9 +1,20 @@
 package me.wiefferink.areashop.commands;
 
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import me.wiefferink.areashop.managers.CommandManager;
 import org.bukkit.command.CommandSender;
 
+import javax.annotation.Nonnull;
+
 public class HelpCommand extends CommandAreaShop {
 
+	private final CommandManager commandManager;
+
+	public HelpCommand(@Nonnull CommandManager commandManager) {
+		this.commandManager = commandManager;
+	}
+
 	@Override
 	public String getCommandStart() {
 		return "areashop help";
@@ -19,6 +30,6 @@ public class HelpCommand extends CommandAreaShop {
 
 	@Override
 	public void execute(CommandSender sender, String[] args) {
-		plugin.getCommandManager().showHelp(sender);
+		commandManager.showHelp(sender);
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/commands/ImportCommand.java

@@ -1,11 +1,16 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.regions.ImportJobFactory;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.command.CommandSender;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class ImportCommand extends CommandAreaShop {
 
 	/* RegionGroup priority usage:
@@ -13,6 +18,10 @@ public class ImportCommand extends CommandAreaShop {
 	   1: Settings from /worlds/<world>/config.yml
 	   2: Settings from /worlds/<world>/parent-regions.yml (if their priority is set it is added to this value)
 	 */
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private ImportJobFactory importJobFactory;
 
 	@Override
 	public String getCommandStart() {
@@ -36,17 +45,17 @@ public class ImportCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.import")) {
-			plugin.message(sender, "import-noPermission");
+			messageBridge.message(sender, "import-noPermission");
 			return;
 		}
 
 		if(args.length < 2) {
-			plugin.message(sender, "import-help");
+			messageBridge.message(sender, "import-help");
 			return;
 		}
 
 		if(!"RegionForSale".equalsIgnoreCase(args[1])) {
-			plugin.message(sender, "import-wrongSource");
+			messageBridge.message(sender, "import-wrongSource");
 			return;
 		}
 
@@ -54,7 +63,7 @@ public class ImportCommand extends CommandAreaShop {
 			return;
 		}
 
-		new ImportJob(sender);
+		importJobFactory.createImportJob(sender).execute();
 	}
 
 	@Override

AreaShop/src/main/java/me/wiefferink/areashop/commands/InfoCommand.java

@@ -1,25 +1,38 @@
 package me.wiefferink.areashop.commands;
 
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import io.github.md5sha256.areashop.CompositeMessage;
+import io.github.md5sha256.areashop.KeyedMessage;
+import io.github.md5sha256.areashop.MessageWrapper;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
-import me.wiefferink.interactivemessenger.processing.Message;
-import org.bukkit.Location;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 
 // TODO fix '/as info' help message hitting replacement limit (improve depth tracking?)
 // TODO add info about autoExtend
+@Singleton
 public class InfoCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop info";
@@ -50,7 +63,7 @@ public class InfoCommand extends CommandAreaShop {
 			try {
 				page = Integer.parseInt(pageInput);
 			} catch(NumberFormatException e) {
-				plugin.message(sender, "info-wrongPage", pageInput);
+				messageBridge.message(sender, "info-wrongPage", pageInput);
 				return;
 			}
 		}
@@ -58,7 +71,7 @@ public class InfoCommand extends CommandAreaShop {
 			regions.removeIf(generalRegion -> !filterGroup.isMember(generalRegion));
 		}
 		if(regions.isEmpty()) {
-			plugin.message(sender, "info-noRegions");
+			messageBridge.message(sender, "info-noRegions");
 		} else {
 			// First sort by type, then by name
 			regions.sort((one, two) -> {
@@ -70,11 +83,12 @@ public class InfoCommand extends CommandAreaShop {
 				}
 			});
 			// Header
-			Message limitedToGroup = Message.empty();
 			if(filterGroup != null) {
-				limitedToGroup = Message.fromKey("info-limitedToGroup").replacements(filterGroup.getName());
+				KeyedMessage limitedToGroup = new KeyedMessage("info-limitedToGroup", filterGroup.getName());
+				messageBridge.message(sender, keyHeader, limitedToGroup);
+			} else {
+				messageBridge.message(sender, keyHeader);
 			}
-			plugin.message(sender, keyHeader, limitedToGroup);
 			// Page entries
 			int totalPages = (int)Math.ceil(regions.size() / (double)itemsPerPage); // Clip page to correct boundaries, not much need to tell the user
 			if(regions.size() == itemsPerPage + 1) { // 19 total items is mapped to 1 page of 19
@@ -101,34 +115,39 @@ public class InfoCommand extends CommandAreaShop {
 						state = "Reselling";
 					}
 				}
-				plugin.messageNoPrefix(sender, "info-entry" + state, region);
+				messageBridge.messageNoPrefix(sender, "info-entry" + state, region);
 				linesPrinted++;
 			}
-			Message footer = Message.empty();
+			CompositeMessage footer = new CompositeMessage();
 			// Previous button
-			if(page > 1) {
-				footer.append(Message.fromKey("info-pagePrevious").replacements(baseCommand + " " + (page - 1)));
-			} else {
-				footer.append(Message.fromKey("info-pageNoPrevious"));
-			}
-			// Page status
+            MessageWrapper infoPage;
+            if(page > 1) {
+                infoPage = new KeyedMessage("info-pagePrevious",
+                        baseCommand + " " + (page - 1));
+            } else {
+                infoPage = new KeyedMessage("info-pageNoPrevious");
+            }
+            footer.appendMessage(infoPage);
+            // Page status
 			if(totalPages > 1) {
 				StringBuilder pageString = new StringBuilder("" + page);
 				for(int i = pageString.length(); i < (totalPages + "").length(); i++) {
 					pageString.insert(0, "0");
 				}
-				footer.append(Message.fromKey("info-pageStatus").replacements(page, totalPages));
-				if(page < totalPages) {
-					footer.append(Message.fromKey("info-pageNext").replacements(baseCommand + " " + (page + 1)));
-				} else {
-					footer.append(Message.fromKey("info-pageNoNext"));
-				}
-				// Fill up space if the page is not full (aligns header nicely)
-				for(int i = linesPrinted; i < maximumItems - 1; i++) {
-					sender.sendMessage(" ");
-				}
-				footer.send(sender);
+				MessageWrapper status = new KeyedMessage("info-pageStatus", page, totalPages);
+				footer.appendMessage(status);
+                MessageWrapper info;
+                if(page < totalPages) {
+                    info = new KeyedMessage("info-pageNext", baseCommand + " " + (page + 1));
+                } else {
+                    info = new KeyedMessage("info-pageNoNext");
+                }
+                footer.appendMessage(info);
+                // Fill up space if the page is not full (aligns header nicely)
+				String padding = " ".repeat(maximumItems - 1 - linesPrinted);
+				footer.appendText(padding);
 			}
+			messageBridge.message(sender, footer);
 		}
 	}
 
@@ -158,7 +177,7 @@ public class InfoCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.info")) {
-			plugin.message(sender, "info-noPermission");
+			messageBridge.message(sender, "info-noPermission");
 			return;
 		}
 		if(args.length > 1 && args[1] != null) {
@@ -167,9 +186,9 @@ public class InfoCommand extends CommandAreaShop {
 			Set<String> groupFilters = new HashSet<>(Arrays.asList("all", "rented", "forrent", "sold", "forsale", "reselling"));
 			if(groupFilters.contains(args[1].toLowerCase()) && args.length > 2) {
 				if(!Utils.isNumeric(args[2])) {
-					filterGroup = plugin.getFileManager().getGroup(args[2]);
+					filterGroup = fileManager.getGroup(args[2]);
 					if(filterGroup == null) {
-						plugin.message(sender, "info-noFiltergroup", args[2]);
+						messageBridge.message(sender, "info-noFiltergroup", args[2]);
 						return;
 					}
 					// Pass page number to args[2] if available
@@ -181,48 +200,48 @@ public class InfoCommand extends CommandAreaShop {
 
 			// All regions
 			if(args[1].equalsIgnoreCase("all")) {
-				showSortedPagedList(sender, plugin.getFileManager().getRegions(), filterGroup, "info-allHeader", (args.length > 2 ? args[2] : null), "info all");
+				showSortedPagedList(sender, new ArrayList<>(fileManager.getRegionsRef()), filterGroup, "info-allHeader", (args.length > 2 ? args[2] : null), "info all");
 			}
 
 			// Rented regions
 			else if(args[1].equalsIgnoreCase("rented")) {
-				List<RentRegion> regions = plugin.getFileManager().getRents();
+				List<RentRegion> regions = new ArrayList<>(fileManager.getRentsRef());
 				regions.removeIf(RentRegion::isAvailable);
 				showSortedPagedList(sender, regions, filterGroup, "info-rentedHeader", (args.length > 2 ? args[2] : null), "info rented");
 			}
 			// Forrent regions
 			else if(args[1].equalsIgnoreCase("forrent")) {
-				List<RentRegion> regions = plugin.getFileManager().getRents();
+				List<RentRegion> regions = new ArrayList<>(fileManager.getRentsRef());
 				regions.removeIf(RentRegion::isRented);
 				showSortedPagedList(sender, regions, filterGroup, "info-forrentHeader", (args.length > 2 ? args[2] : null), "info forrent");
 			}
 			// Sold regions
 			else if(args[1].equalsIgnoreCase("sold")) {
-				List<BuyRegion> regions = plugin.getFileManager().getBuys();
+				List<BuyRegion> regions = new ArrayList<>(fileManager.getBuysRef());
 				regions.removeIf(BuyRegion::isAvailable);
 				showSortedPagedList(sender, regions, filterGroup, "info-soldHeader", (args.length > 2 ? args[2] : null), "info sold");
 			}
 			// Forsale regions
 			else if(args[1].equalsIgnoreCase("forsale")) {
-				List<BuyRegion> regions = plugin.getFileManager().getBuys();
+				List<BuyRegion> regions = new ArrayList<>(fileManager.getBuysRef());
 				regions.removeIf(BuyRegion::isSold);
 				showSortedPagedList(sender, regions, filterGroup, "info-forsaleHeader", (args.length > 2 ? args[2] : null), "info forsale");
 			}
 			// Reselling regions
 			else if(args[1].equalsIgnoreCase("reselling")) {
-				List<BuyRegion> regions = plugin.getFileManager().getBuys();
+				List<BuyRegion> regions = new ArrayList<>(fileManager.getBuysRef());
 				regions.removeIf(region -> !region.isInResellingMode());
 				showSortedPagedList(sender, regions, filterGroup, "info-resellingHeader", (args.length > 2 ? args[2] : null), "info reselling");
 			}
 
 			// List of regions without a group
 			else if(args[1].equalsIgnoreCase("nogroup")) {
-				List<GeneralRegion> regions = plugin.getFileManager().getRegions();
-				for(RegionGroup group : plugin.getFileManager().getGroups()) {
+				List<GeneralRegion> regions = new ArrayList<>(fileManager.getRegionsRef());
+				for(RegionGroup group : fileManager.getGroups()) {
 					regions.removeAll(group.getMemberRegions());
 				}
 				if(regions.isEmpty()) {
-					plugin.message(sender, "info-nogroupNone");
+					messageBridge.message(sender, "info-nogroupNone");
 				} else {
 					showSortedPagedList(sender, regions, filterGroup, "info-nogroupHeader", (args.length > 2 ? args[2] : null), "info nogroup");
 				}
@@ -234,17 +253,17 @@ public class InfoCommand extends CommandAreaShop {
 					RentRegion rent = null;
 					BuyRegion buy = null;
 					if(args.length > 2) {
-						rent = plugin.getFileManager().getRent(args[2]);
-						buy = plugin.getFileManager().getBuy(args[2]);
+						rent = fileManager.getRent(args[2]);
+						buy = fileManager.getBuy(args[2]);
 					} else {
 						if(sender instanceof Player) {
 							// get the region by location
 							List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
 							if(regions.isEmpty()) {
-								plugin.message(sender, "cmd-noRegionsAtLocation");
+								messageBridge.message(sender, "cmd-noRegionsAtLocation");
 								return;
 							} else if(regions.size() > 1) {
-								plugin.message(sender, "cmd-moreRegionsAtLocation");
+								messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 								return;
 							} else {
 								if(regions.get(0) instanceof RentRegion) {
@@ -254,26 +273,26 @@ public class InfoCommand extends CommandAreaShop {
 								}
 							}
 						} else {
-							plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+							messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 							return;
 						}
 					}
 
 					if(rent == null && buy == null) {
-						plugin.message(sender, "info-regionNotExisting", args[2]);
+						messageBridge.message(sender, "info-regionNotExisting", args[2]);
 						return;
 					}
 
 					if(rent != null) {
-						plugin.message(sender, "info-regionHeaderRent", rent);
+						messageBridge.message(sender, "info-regionHeaderRent", rent);
 						if(rent.isRented()) {
-							plugin.messageNoPrefix(sender, "info-regionRented", rent);
-							plugin.messageNoPrefix(sender, "info-regionExtending", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionRented", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionExtending", rent);
 							// Money back
 							if(UnrentCommand.canUse(sender, rent)) {
-								plugin.messageNoPrefix(sender, "info-regionMoneyBackRentClick", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionMoneyBackRentClick", rent);
 							} else {
-								plugin.messageNoPrefix(sender, "info-regionMoneyBackRent", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionMoneyBackRent", rent);
 							}
 							// Friends
 							if(!rent.getFriendsFeature().getFriendNames().isEmpty()) {
@@ -281,89 +300,94 @@ public class InfoCommand extends CommandAreaShop {
 								if(DelfriendCommand.canUse(sender, rent)) {
 									messagePart = "info-friendRemove";
 								}
-								plugin.messageNoPrefix(sender, "info-regionFriends", rent, Utils.combinedMessage(rent.getFriendsFeature().getFriendNames(), messagePart));
+								messageBridge.messageNoPrefix(sender, "info-regionFriends", rent, Utils.combinedMessage(rent.getFriendsFeature().getFriendNames(), messagePart));
 							}
 						} else {
-							plugin.messageNoPrefix(sender, "info-regionCanBeRented", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionCanBeRented", rent);
 						}
 						if(rent.getLandlordName() != null) {
-							plugin.messageNoPrefix(sender, "info-regionLandlord", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionLandlord", rent);
 						}
 						// Maximum extends
 						if(rent.getMaxExtends() != -1) {
 							if(rent.getMaxExtends() == 0) {
-								plugin.messageNoPrefix(sender, "info-regionNoExtending", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionNoExtending", rent);
 							} else if(rent.isRented()) {
-								plugin.messageNoPrefix(sender, "info-regionExtendsLeft", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionExtendsLeft", rent);
 							} else {
-								plugin.messageNoPrefix(sender, "info-regionMaxExtends", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionMaxExtends", rent);
 							}
 						}
 						// If maxExtends is zero it does not make sense to show this message
 						if(rent.getMaxRentTime() != -1 && rent.getMaxExtends() != 0) {
-							plugin.messageNoPrefix(sender, "info-regionMaxRentTime", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionMaxRentTime", rent);
 						}
 						if(rent.getInactiveTimeUntilUnrent() != -1) {
-							plugin.messageNoPrefix(sender, "info-regionInactiveUnrent", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionInactiveUnrent", rent);
 						}
 						// Teleport
-						Message tp = Message.fromKey("info-prefix");
+						CompositeMessage tp = new CompositeMessage();
+						tp.appendMessage("info-prefix");
 						boolean foundSomething = false;
 						if(TeleportCommand.canUse(sender, rent)) {
 							foundSomething = true;
-							tp.append(Message.fromKey("info-regionTeleport").replacements(rent));
+							tp.appendMessage("info-regionTeleport", rent);
 						}
 						if(SetteleportCommand.canUse(sender, rent)) {
 							if(foundSomething) {
-								tp.append(", ");
+								tp.appendText(", ");
 							}
 							foundSomething = true;
-							tp.append(Message.fromKey("info-setRegionTeleport").replacements(rent));
+							tp.appendMessage("info-setRegionTeleport", rent);
 						}
 						if(foundSomething) {
-							tp.append(".");
-							tp.send(sender);
+							tp.appendText(".");
+							messageBridge.message(sender, tp);
 						}
 						// Signs
-						List<String> signLocations = new ArrayList<>();
-						for(Location location : rent.getSignsFeature().getSignLocations()) {
-							signLocations.add(Message.fromKey("info-regionSignLocation").replacements(location.getWorld().getName(), location.getBlockX(), location.getBlockY(), location.getBlockZ()).getPlain());
-						}
-						if(!signLocations.isEmpty()) {
-							plugin.messageNoPrefix(sender, "info-regionSigns", Utils.createCommaSeparatedList(signLocations));
+						CompositeMessage signLocations = new CompositeMessage();
+						Iterator<BlockPosition> signPositions = rent.getSignsFeature().signManager().allSignLocations().iterator();
+						while (signPositions.hasNext()) {
+							BlockPosition location = signPositions.next();
+							MessageWrapper signInfo = new KeyedMessage("info-regionSignLocation", location.getWorld().getName(), location.getX(), location.getY(), location.getZ());
+							signLocations.appendMessage(signInfo);
+							if (signPositions.hasNext()) {
+								signLocations.appendText(", ");
+							}
 						}
+						messageBridge.message(sender, "info-regionSigns", signLocations);
 						// Groups
 						if(sender.hasPermission("areashop.groupinfo") && !rent.getGroupNames().isEmpty()) {
-							plugin.messageNoPrefix(sender, "info-regionGroups", Utils.createCommaSeparatedList(rent.getGroupNames()));
+							messageBridge.messageNoPrefix(sender, "info-regionGroups", Utils.createCommaSeparatedList(rent.getGroupNames()));
 						}
 						// Restoring
 						if(rent.isRestoreEnabled()) {
-							plugin.messageNoPrefix(sender, "info-regionRestoringRent", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionRestoringRent", rent);
 						}
 						// Restrictions
 						if(!rent.isRented()) {
 							if(rent.restrictedToRegion()) {
-								plugin.messageNoPrefix(sender, "info-regionRestrictedRegionRent", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionRestrictedRegionRent", rent);
 							} else if(rent.restrictedToWorld()) {
-								plugin.messageNoPrefix(sender, "info-regionRestrictedWorldRent", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionRestrictedWorldRent", rent);
 							}
 						}
-						plugin.messageNoPrefix(sender, "info-regionFooterRent", rent);
+						messageBridge.messageNoPrefix(sender, "info-regionFooterRent", rent);
 					} else if(buy != null) {
-						plugin.message(sender, "info-regionHeaderBuy", buy);
+						messageBridge.message(sender, "info-regionHeaderBuy", buy);
 						if(buy.isSold()) {
 							if(buy.isInResellingMode()) {
-								plugin.messageNoPrefix(sender, "info-regionReselling", buy);
-								plugin.messageNoPrefix(sender, "info-regionReselPrice", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionReselling", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionReselPrice", buy);
 							} else {
-								plugin.messageNoPrefix(sender, "info-regionBought", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionBought", buy);
 							}
 							// Money back
 							if(!buy.getBooleanSetting("buy.sellDisabled")) {
 								if (SellCommand.canUse(sender, buy)) {
-									plugin.messageNoPrefix(sender, "info-regionMoneyBackBuyClick", buy);
+									messageBridge.messageNoPrefix(sender, "info-regionMoneyBackBuyClick", buy);
 								} else {
-									plugin.messageNoPrefix(sender, "info-regionMoneyBackBuy", buy);
+									messageBridge.messageNoPrefix(sender, "info-regionMoneyBackBuy", buy);
 								}
 							}
 							// Friends
@@ -372,69 +396,73 @@ public class InfoCommand extends CommandAreaShop {
 								if(DelfriendCommand.canUse(sender, buy)) {
 									messagePart = "info-friendRemove";
 								}
-								plugin.messageNoPrefix(sender, "info-regionFriends", buy, Utils.combinedMessage(buy.getFriendsFeature().getFriendNames(), messagePart));
+								messageBridge.messageNoPrefix(sender, "info-regionFriends", buy, Utils.combinedMessage(buy.getFriendsFeature().getFriendNames(), messagePart));
 							}
 						} else {
-							plugin.messageNoPrefix(sender, "info-regionCanBeBought", buy);
+							messageBridge.messageNoPrefix(sender, "info-regionCanBeBought", buy);
 						}
 						if(buy.getLandlord() != null) {
-							plugin.messageNoPrefix(sender, "info-regionLandlord", buy);
+							messageBridge.messageNoPrefix(sender, "info-regionLandlord", buy);
 						}
 						if(buy.getInactiveTimeUntilSell() != -1) {
-							plugin.messageNoPrefix(sender, "info-regionInactiveSell", buy);
+							messageBridge.messageNoPrefix(sender, "info-regionInactiveSell", buy);
 						}
 						// Teleport
-						Message tp = Message.fromKey("info-prefix");
+						CompositeMessage tp = new CompositeMessage();
+						tp.appendMessage("info-prefix");
 						boolean foundSomething = false;
 						if(TeleportCommand.canUse(sender, buy)) {
 							foundSomething = true;
-							tp.append(Message.fromKey("info-regionTeleport").replacements(buy));
+							tp.appendMessage("info-regionTeleport",buy);
 						}
 						if(SetteleportCommand.canUse(sender, buy)) {
 							if(foundSomething) {
-								tp.append(", ");
+								tp.appendText(", ");
 							}
 							foundSomething = true;
-							tp.append(Message.fromKey("info-setRegionTeleport").replacements(buy));
+							tp.appendMessage("info-setRegionTeleport", buy);
 						}
 						if(foundSomething) {
-							tp.append(".");
-							tp.send(sender);
+							tp.appendText(".");
+							messageBridge.message(sender, tp);
 						}
 						// Signs
-						List<String> signLocations = new ArrayList<>();
-						for(Location location : buy.getSignsFeature().getSignLocations()) {
-							signLocations.add(Message.fromKey("info-regionSignLocation").replacements(location.getWorld().getName(), location.getBlockX(), location.getBlockY(), location.getBlockZ()).getPlain());
-						}
-						if(!signLocations.isEmpty()) {
-							plugin.messageNoPrefix(sender, "info-regionSigns", Utils.createCommaSeparatedList(signLocations));
+						CompositeMessage signLocations = new CompositeMessage();
+						Iterator<BlockPosition> signPositions = buy.getSignsFeature().signManager().allSignLocations().iterator();
+						while (signPositions.hasNext()) {
+							BlockPosition location = signPositions.next();
+							signLocations.appendMessage("info-regionSignLocation", location.getWorld().getName(), location.getX(), location.getY(), location.getZ());
+							if (signPositions.hasNext()) {
+								signLocations.appendText(", ");
+							}
 						}
+						messageBridge.messageNoPrefix(sender, "info-regionSigns", signLocations);
 						// Groups
 						if(sender.hasPermission("areashop.groupinfo") && !buy.getGroupNames().isEmpty()) {
-							plugin.messageNoPrefix(sender, "info-regionGroups", Utils.createCommaSeparatedList(buy.getGroupNames()));
+							messageBridge.messageNoPrefix(sender, "info-regionGroups", Utils.createCommaSeparatedList(buy.getGroupNames()));
 						}
 						// Restoring
 						if(buy.isRestoreEnabled()) {
-							plugin.messageNoPrefix(sender, "info-regionRestoringBuy", buy);
+							messageBridge.messageNoPrefix(sender, "info-regionRestoringBuy", buy);
 						}
 						// Restrictions
 						if(!buy.isSold()) {
 							if(buy.restrictedToRegion()) {
-								plugin.messageNoPrefix(sender, "info-regionRestrictedRegionBuy", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionRestrictedRegionBuy", buy);
 							} else if(buy.restrictedToWorld()) {
-								plugin.messageNoPrefix(sender, "info-regionRestrictedWorldBuy", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionRestrictedWorldBuy", buy);
 							}
 						}
-						plugin.messageNoPrefix(sender, "info-regionFooterBuy", buy);
+						messageBridge.messageNoPrefix(sender, "info-regionFooterBuy", buy);
 					}
 				} else {
-					plugin.message(sender, "info-regionHelp");
+					messageBridge.message(sender, "info-regionHelp");
 				}
 			} else {
-				plugin.message(sender, "info-help");
+				messageBridge.message(sender, "info-help");
 			}
 		} else {
-			plugin.message(sender, "info-help");
+			messageBridge.message(sender, "info-help");
 		}
 	}
 
@@ -449,8 +477,8 @@ public class InfoCommand extends CommandAreaShop {
 					result.add(player.getName());
 				}
 			} else if(start[2].equalsIgnoreCase("region")) {
-				result.addAll(plugin.getFileManager().getBuyNames());
-				result.addAll(plugin.getFileManager().getRentNames());
+				result.addAll(fileManager.getBuyNames());
+				result.addAll(fileManager.getRentNames());
 			}
 		}
 		return result;

AreaShop/src/main/java/me/wiefferink/areashop/commands/LinksignsCommand.java

@@ -1,5 +1,10 @@
 package me.wiefferink.areashop.commands;
 
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.SignLinkerManager;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.ConfigurationSection;
@@ -9,8 +14,16 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 
+@Singleton
 public class LinksignsCommand extends CommandAreaShop {
 
+	@Inject
+	private SignLinkerManager signLinkerManager;
+	@Inject
+	private AreaShop plugin;
+	@Inject
+	private MessageBridge messageBridge;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop linksigns";
@@ -27,17 +40,16 @@ public class LinksignsCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.linksigns")) {
-			plugin.message(sender, "linksigns-noPermission");
+			messageBridge.message(sender, "linksigns-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
 
-		Player player = (Player)sender;
-		if(plugin.getSignlinkerManager().isInSignLinkMode(player)) {
-			plugin.getSignlinkerManager().exitSignLinkMode(player);
+		if(signLinkerManager.isInSignLinkMode(player)) {
+			signLinkerManager.exitSignLinkMode(player);
 		} else {
 			// Get the profile
 			String profile = null;
@@ -54,12 +66,12 @@ public class LinksignsCommand extends CommandAreaShop {
 							}
 							message.addAll(Message.fromKey("addsign-profile").replacements(p).get());
 						}
-						plugin.message(sender, "addsign-wrongProfile", Message.fromList(message));
+						messageBridge.message(sender, "addsign-wrongProfile", Message.fromList(message));
 						return;
 					}
 				}
 			}
-			plugin.getSignlinkerManager().enterSignLinkMode(player, profile);
+			signLinkerManager.enterSignLinkMode(player, profile);
 		}
 	}
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/MeCommand.java

@@ -1,10 +1,15 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -14,8 +19,20 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+@Singleton
 public class MeCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+
+	@Inject
+	private OfflinePlayerHelper offlinePlayerHelper;
+
+	@Inject
+	private BukkitSchedulerExecutor executor;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop me";
@@ -32,76 +49,77 @@ public class MeCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.me")) {
-			plugin.message(sender, "me-noPermission");
+			messageBridge.message(sender, "me-noPermission");
 			return;
 		}
 		OfflinePlayer player = null;
 		if(!(sender instanceof Player)) {
 			if(args.length <= 1) {
-				plugin.message(sender, "me-notAPlayer");
+				messageBridge.message(sender, "me-notAPlayer");
 				return;
 			}
 		} else {
 			player = (OfflinePlayer)sender;
 		}
 		if(args.length > 1) {
-			player = Bukkit.getOfflinePlayer(args[1]);
-			if(player == null) {
-				plugin.message(sender, "me-noPlayer", args[1]);
-				return;
-			}
-		}
-		if(player == null) {
+			// Lookup offline players async
+			this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(offlinePlayer -> {
+				if (!offlinePlayer.hasPlayedBefore()) {
+					messageBridge.message(sender, "me-noPlayer", args[1]);
+				} else {
+					sendMessageAboutRegions(sender, offlinePlayer);
+				}
+			}, this.executor);
 			return;
 		}
+		sendMessageAboutRegions(sender, player);
+	}
 
+	private void sendMessageAboutRegions(CommandSender sender, OfflinePlayer target) {
 		// Get the regions owned by the player
 		Set<RentRegion> rentRegions = new HashSet<>();
-		for(RentRegion region : plugin.getFileManager().getRents()) {
-			if(region.isOwner(player)) {
+		for(RentRegion region : fileManager.getRentsRef()) {
+			if(region.isOwner(target)) {
 				rentRegions.add(region);
 			}
 		}
 		Set<BuyRegion> buyRegions = new HashSet<>();
-		for(BuyRegion region : plugin.getFileManager().getBuys()) {
-			if(region.isOwner(player)) {
+		for(BuyRegion region : fileManager.getBuysRef()) {
+			if(region.isOwner(target)) {
 				buyRegions.add(region);
 			}
 		}
 		// Get the regions the player is added as friend
 		Set<GeneralRegion> friendRegions = new HashSet<>();
-		for(GeneralRegion region : plugin.getFileManager().getRegions()) {
-			if(region.getFriendsFeature().getFriends().contains(player.getUniqueId())) {
+		for(GeneralRegion region : fileManager.getRegionsRef()) {
+			if(region.getFriendsFeature().getFriends().contains(target.getUniqueId())) {
 				friendRegions.add(region);
 			}
 		}
 
 		// Send messages
 		boolean foundSome = !rentRegions.isEmpty() || !buyRegions.isEmpty() || !friendRegions.isEmpty();
-		if(foundSome) {
-			plugin.message(sender, "me-header", player.getName());
+		if(!foundSome) {
+			messageBridge.message(sender, "me-nothing", target.getName());
+			return;
 		}
+		messageBridge.message(sender, "me-header", target.getName());
 		if(!rentRegions.isEmpty()) {
 			for(RentRegion region : rentRegions) {
-				plugin.messageNoPrefix(sender, "me-rentLine", region);
+				messageBridge.messageNoPrefix(sender, "me-rentLine", region);
 			}
 		}
 		if(!buyRegions.isEmpty()) {
 			for(BuyRegion region : buyRegions) {
-				plugin.messageNoPrefix(sender, "me-buyLine", region);
+				messageBridge.messageNoPrefix(sender, "me-buyLine", region);
 			}
 		}
 		if(!friendRegions.isEmpty()) {
 			for(GeneralRegion region : friendRegions) {
-				plugin.messageNoPrefix(sender, "me-friendLine", region);
+				messageBridge.messageNoPrefix(sender, "me-friendLine", region);
 			}
 		}
-
-		if(!foundSome) {
-			plugin.message(sender, "me-nothing", player.getName());
-		} else {
-			plugin.messageNoPrefix(sender, "me-clickHint");
-		}
+		messageBridge.messageNoPrefix(sender, "me-clickHint");
 	}
 
 	@Override

AreaShop/src/main/java/me/wiefferink/areashop/commands/MessageCommand.java

@@ -1,5 +1,8 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.apache.commons.lang.StringUtils;
@@ -10,8 +13,12 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class MessageCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop message";
@@ -26,18 +33,18 @@ public class MessageCommand extends CommandAreaShop {
 	@Override
 	public void execute(final CommandSender sender, final String[] args) {
 		if(!sender.hasPermission("areashop.message")) {
-			plugin.message(sender, "message-noPermission");
+			messageBridge.message(sender, "message-noPermission");
 			return;
 		}
 
 		if(args.length < 3) {
-			plugin.message(sender, "message-help");
+			messageBridge.message(sender, "message-help");
 			return;
 		}
 
 		Player player = Bukkit.getPlayer(args[1]);
 		if(player == null) {
-			plugin.message(sender, "message-notOnline", args[1]);
+			messageBridge.message(sender, "message-notOnline", args[1]);
 			return;
 		}
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/ReloadCommand.java

@@ -1,9 +1,19 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import org.bukkit.command.CommandSender;
 
+@Singleton
 public class ReloadCommand extends CommandAreaShop {
 
+	@Inject
+	private AreaShop plugin;
+	@Inject
+	private MessageBridge messageBridge;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop reload";
@@ -23,7 +33,7 @@ public class ReloadCommand extends CommandAreaShop {
 			// Reload the configuration files and update all region flags/signs
 			plugin.reload(sender);
 		} else {
-			plugin.message(sender, "reload-noPermission");
+			messageBridge.message(sender, "reload-noPermission");
 		}
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/commands/RentCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -8,8 +12,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class RentCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop rent";
@@ -26,18 +36,17 @@ public class RentCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.rent")) {
-			plugin.message(sender, "rent-noPermission");
+			messageBridge.message(sender, "rent-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 		if(args.length > 1 && args[1] != null) {
-			RentRegion rent = plugin.getFileManager().getRent(args[1]);
+			RentRegion rent = fileManager.getRent(args[1]);
 			if(rent == null) {
-				plugin.message(sender, "rent-notRentable", args[1]);
+				messageBridge.message(sender, "rent-notRentable", args[1]);
 			} else {
 				rent.rent(player);
 			}
@@ -45,9 +54,9 @@ public class RentCommand extends CommandAreaShop {
 			// get the region by location
 			List<RentRegion> regions = Utils.getImportantRentRegions(((Player)sender).getLocation());
 			if(regions.isEmpty()) {
-				plugin.message(sender, "cmd-noRegionsAtLocation");
+				messageBridge.message(sender, "cmd-noRegionsAtLocation");
 			} else if(regions.size() > 1) {
-				plugin.message(sender, "cmd-moreRegionsAtLocation");
+				messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 			} else {
 				regions.get(0).rent(player);
 			}
@@ -58,7 +67,7 @@ public class RentCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(RentRegion region : plugin.getFileManager().getRents()) {
+			for(RentRegion region : fileManager.getRentsRef()) {
 				if(!region.isRented()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/ResellCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -8,8 +12,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class ResellCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop resell";
@@ -26,24 +36,24 @@ public class ResellCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.resell") && !sender.hasPermission("areashop.resellall")) {
-			plugin.message(sender, "resell-noPermissionOther");
+			messageBridge.message(sender, "resell-noPermissionOther");
 			return;
 		}
 
 		if(args.length <= 1) {
-			plugin.message(sender, "resell-help");
+			messageBridge.message(sender, "resell-help");
 			return;
 		}
 		double price;
 		try {
 			price = Double.parseDouble(args[1]);
 		} catch(NumberFormatException e) {
-			plugin.message(sender, "resell-wrongPrice", args[1]);
+			messageBridge.message(sender, "resell-wrongPrice", args[1]);
 			return;
 		}
 
 		if(price < 0) {
-			plugin.message(sender, "resell-wrongPrice", args[1]);
+			messageBridge.message(sender, "resell-wrongPrice", args[1]);
 			return;
 		}
 
@@ -53,53 +63,53 @@ public class ResellCommand extends CommandAreaShop {
 				// get the region by location
 				List<BuyRegion> regions = Utils.getImportantBuyRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					buy = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			buy = plugin.getFileManager().getBuy(args[2]);
+			buy = fileManager.getBuy(args[2]);
 			if(buy == null) {
-				plugin.message(sender, "resell-notRegistered", args[2]);
+				messageBridge.message(sender, "resell-notRegistered", args[2]);
 				return;
 			}
 		}
 		if(buy == null) {
-			plugin.message(sender, "cmd-noRegionsAtLocation");
+			messageBridge.message(sender, "cmd-noRegionsAtLocation");
 			return;
 		}
 		if(!buy.isSold()) {
-			plugin.message(sender, "resell-notBought", buy);
+			messageBridge.message(sender, "resell-notBought", buy);
 			return;
 		}
 		if(sender.hasPermission("areashop.resellall")) {
 			buy.enableReselling(price);
 			buy.update();
-			plugin.message(sender, "resell-success", buy);
+			messageBridge.message(sender, "resell-success", buy);
 		} else if(sender.hasPermission("areashop.resell") && sender instanceof Player) {
 			if(!buy.isOwner((Player)sender)) {
-				plugin.message(sender, "resell-noPermissionOther", buy);
+				messageBridge.message(sender, "resell-noPermissionOther", buy);
 				return;
 			}
 
 			if(buy.getBooleanSetting("buy.resellDisabled")) {
-				plugin.message(sender, "resell-disabled", buy);
+				messageBridge.message(sender, "resell-disabled", buy);
 				return;
 			}
 
 			buy.enableReselling(price);
 			buy.update();
-			plugin.message(sender, "resell-success", buy);
+			messageBridge.message(sender, "resell-success", buy);
 		} else {
-			plugin.message(sender, "resell-noPermission", buy);
+			messageBridge.message(sender, "resell-noPermission", buy);
 		}
 	}
 
@@ -107,7 +117,7 @@ public class ResellCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 3) {
-			for(BuyRegion region : plugin.getFileManager().getBuys()) {
+			for(BuyRegion region : fileManager.getBuysRef()) {
 				if(region.isSold() && !region.isInResellingMode()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SchematiceventCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -10,8 +14,14 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+@Singleton
 public class SchematiceventCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop schemevent";
@@ -28,21 +38,21 @@ public class SchematiceventCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.schematicevents")) {
-			plugin.message(sender, "schemevent-noPermission");
+			messageBridge.message(sender, "schemevent-noPermission");
 			return;
 		}
 
 		if(args.length < 3 || args[1] == null || args[2] == null) {
-			plugin.message(sender, "schemevent-help");
+			messageBridge.message(sender, "schemevent-help");
 			return;
 		}
-		GeneralRegion region = plugin.getFileManager().getRegion(args[1]);
+		GeneralRegion region = fileManager.getRegion(args[1]);
 		if(region == null) {
-			plugin.message(sender, "cmd-notRegistered", args[1]);
+			messageBridge.message(sender, "cmd-notRegistered", args[1]);
 			return;
 		}
 		if(region.getRegion() == null) {
-			plugin.message(sender, "general-noRegion", region);
+			messageBridge.message(sender, "general-noRegion", region);
 			return;
 		}
 		GeneralRegion.RegionEvent event = null;
@@ -58,21 +68,21 @@ public class SchematiceventCommand extends CommandAreaShop {
 			for(GeneralRegion.RegionEvent value : GeneralRegion.RegionEvent.values()) {
 				values.add(value.getValue().toLowerCase());
 			}
-			plugin.message(sender, "schemevent-wrongEvent", args[2], Utils.createCommaSeparatedList(values), region);
+			messageBridge.message(sender, "schemevent-wrongEvent", args[2], Utils.createCommaSeparatedList(values), region);
 			return;
 		}
 		region.handleSchematicEvent(event);
 		region.update();
-		plugin.message(sender, "schemevent-success", args[2], region);
+		messageBridge.message(sender, "schemevent-success", args[2], region);
 	}
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		} else if(toComplete == 3) {
-			GeneralRegion region = plugin.getFileManager().getRegion(start[2]);
+			GeneralRegion region = fileManager.getRegion(start[2]);
 			if(region != null) {
 				if(region instanceof RentRegion) {
 					result.addAll(Arrays.asList("created", "deleted", "rented", "unrented"));

AreaShop/src/main/java/me/wiefferink/areashop/commands/SellCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Utils;
@@ -9,8 +13,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SellCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop sell";
@@ -34,8 +44,7 @@ public class SellCommand extends CommandAreaShop {
 		if(person.hasPermission("areashop.sell")) {
 			return true;
 		}
-		if(person instanceof Player) {
-			Player player = (Player)person;
+		if(person instanceof Player player) {
 			return region.isOwner(player) && person.hasPermission("areashop.sellown");
 		}
 		return false;
@@ -44,36 +53,36 @@ public class SellCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.sell") && !sender.hasPermission("areashop.sellown")) {
-			plugin.message(sender, "sell-noPermission");
+			messageBridge.message(sender, "sell-noPermission");
 			return;
 		}
 		BuyRegion buy;
 		if(args.length <= 1) {
-			if(sender instanceof Player) {
+			if(sender instanceof Player player) {
 				// get the region by location
-				List<BuyRegion> regions = Utils.getImportantBuyRegions(((Player)sender).getLocation());
+				List<BuyRegion> regions = Utils.getImportantBuyRegions((player).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					buy = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			buy = plugin.getFileManager().getBuy(args[1]);
+			buy = fileManager.getBuy(args[1]);
 		}
 		if(buy == null) {
-			plugin.message(sender, "sell-notRegistered");
+			messageBridge.message(sender, "sell-notRegistered");
 			return;
 		}
 		if(!buy.isSold()) {
-			plugin.message(sender, "sell-notBought", buy);
+			messageBridge.message(sender, "sell-notBought", buy);
 			return;
 		}
 		buy.sell(true, sender);
@@ -83,7 +92,7 @@ public class SellCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(BuyRegion region : plugin.getFileManager().getBuys()) {
+			for(BuyRegion region : fileManager.getBuysRef()) {
 				if(region.isSold()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetdurationCommand.java

@@ -1,15 +1,28 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetdurationCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private Plugin plugin;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop setduration";
@@ -26,11 +39,11 @@ public class SetdurationCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.setduration") && (!sender.hasPermission("areashop.setduration.landlord") && sender instanceof Player)) {
-			plugin.message(sender, "setduration-noPermission");
+			messageBridge.message(sender, "setduration-noPermission");
 			return;
 		}
 		if(args.length < 3 || args[1] == null || args[2] == null) {
-			plugin.message(sender, "setduration-help");
+			messageBridge.message(sender, "setduration-help");
 			return;
 		}
 		int regionArgument = 3;
@@ -43,48 +56,48 @@ public class SetdurationCommand extends CommandAreaShop {
 				// get the region by location
 				List<RentRegion> regions = Utils.getImportantRentRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					rent = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			rent = plugin.getFileManager().getRent(args[regionArgument]);
+			rent = fileManager.getRent(args[regionArgument]);
 		}
 		if(rent == null) {
-			plugin.message(sender, "setduration-notRegistered", args[regionArgument]);
+			messageBridge.message(sender, "setduration-notRegistered", args[regionArgument]);
 			return;
 		}
 		if(!sender.hasPermission("areashop.setduration") && !(sender instanceof Player && rent.isLandlord(((Player)sender).getUniqueId()))) {
-			plugin.message(sender, "setduration-noLandlord", rent);
+			messageBridge.message(sender, "setduration-noLandlord", rent);
 			return;
 		}
 		if("default".equalsIgnoreCase(args[1]) || "reset".equalsIgnoreCase(args[1])) {
 			rent.setDuration(null);
 			rent.update();
-			plugin.message(sender, "setduration-successRemoved", rent);
+			messageBridge.message(sender, "setduration-successRemoved", rent);
 			return;
 		}
 		try {
 			Integer.parseInt(args[1]);
 		} catch(NumberFormatException e) {
-			plugin.message(sender, "setduration-wrongAmount", args[1], rent);
+			messageBridge.message(sender, "setduration-wrongAmount", args[1], rent);
 			return;
 		}
 		if(!Utils.checkTimeFormat(args[1] + " " + args[2])) {
-			plugin.message(sender, "setduration-wrongFormat", args[1] + " " + args[2], rent);
+			messageBridge.message(sender, "setduration-wrongFormat", args[1] + " " + args[2], rent);
 			return;
 		}
 		rent.setDuration(args[1] + " " + args[2]);
 		rent.update();
-		plugin.message(sender, "setduration-success", rent);
+		messageBridge.message(sender, "setduration-success", rent);
 	}
 
 	@Override
@@ -97,7 +110,7 @@ public class SetdurationCommand extends CommandAreaShop {
 			result.addAll(plugin.getConfig().getStringList("months"));
 			result.addAll(plugin.getConfig().getStringList("years"));
 		} else if(toComplete == 4) {
-			result = plugin.getFileManager().getRentNames();
+			result = fileManager.getRentNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetlandlordCommand.java

@@ -1,87 +1,100 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetlandlordCommand extends CommandAreaShop {
 
-	@Override
-	public String getCommandStart() {
-		return "areashop setlandlord";
-	}
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
+    @Inject
+    private OfflinePlayerHelper offlinePlayerHelper;
+    @Inject
+    private BukkitSchedulerExecutor executor;
 
-	@Override
-	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.setlandlord")) {
-			return "help-setlandlord";
-		}
-		return null;
-	}
+    @Override
+    public String getCommandStart() {
+        return "areashop setlandlord";
+    }
 
-	@Override
-	public void execute(CommandSender sender, String[] args) {
-		if(!sender.hasPermission("areashop.setlandlord")) {
-			plugin.message(sender, "setlandlord-noPermission");
-			return;
-		}
-		if(args.length < 2) {
-			plugin.message(sender, "setlandlord-help");
-			return;
-		}
-		@SuppressWarnings("deprecation")
-		OfflinePlayer player = Bukkit.getOfflinePlayer(args[1]);
-		GeneralRegion region;
-		if(args.length < 3) {
-			if(sender instanceof Player) {
-				// get the region by location
-				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
-					return;
-				} else {
-					region = regions.get(0);
-				}
-			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
-				return;
-			}
-		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
-		}
-		if(region == null) {
-			plugin.message(sender, "cmd-notRegistered", args[2]);
-			return;
-		}
-		String playerName = player.getName();
-		if(playerName == null || playerName.isEmpty()) {
-			playerName = args[1];
-		}
-		region.setLandlord(player.getUniqueId(), playerName);
-		region.update();
-		plugin.message(sender, "setlandlord-success", playerName, region);
-	}
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.setlandlord")) {
+            return "help-setlandlord";
+        }
+        return null;
+    }
 
-	@Override
-	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-		ArrayList<String> result = new ArrayList<>();
-		if(toComplete == 2) {
-			for(Player player : Utils.getOnlinePlayers()) {
-				result.add(player.getName());
-			}
-		} else if(toComplete == 3) {
-			result.addAll(plugin.getFileManager().getRegionNames());
-		}
-		return result;
-	}
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.setlandlord")) {
+            messageBridge.message(sender, "setlandlord-noPermission");
+            return;
+        }
+        if (args.length < 2) {
+            messageBridge.message(sender, "setlandlord-help");
+            return;
+        }
+        GeneralRegion region;
+        if (args.length < 3) {
+            if (!(sender instanceof Player player)) {
+                messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
+                return;
+            }
+            // get the region by location
+            List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+            if (regions.isEmpty()) {
+                messageBridge.message(sender, "cmd-noRegionsAtLocation");
+                return;
+            } else if (regions.size() > 1) {
+                messageBridge.message(sender, "cmd-moreRegionsAtLocation");
+                return;
+            } else {
+                region = regions.get(0);
+            }
+        } else {
+            region = fileManager.getRegion(args[2]);
+        }
+        if (region == null) {
+            messageBridge.message(sender, "cmd-notRegistered", args[2]);
+            return;
+        }
+        this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(offlinePlayer -> {
+            String playerName = offlinePlayer.getName();
+            if (playerName == null || playerName.isEmpty()) {
+                playerName = args[1];
+            }
+            region.setLandlord(offlinePlayer.getUniqueId(), playerName);
+            region.update();
+            messageBridge.message(sender, "setlandlord-success", playerName, region);
+        }, this.executor);
+    }
+
+    @Override
+    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+        ArrayList<String> result = new ArrayList<>();
+        if (toComplete == 2) {
+            for (Player player : Utils.getOnlinePlayers()) {
+                result.add(player.getName());
+            }
+        } else if (toComplete == 3) {
+            result.addAll(fileManager.getRegionNames());
+        }
+        return result;
+    }
 
 }

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetownerCommand.java

@@ -1,11 +1,15 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -14,115 +18,119 @@ import java.util.Calendar;
 import java.util.List;
 import java.util.UUID;
 
+@Singleton
 public class SetownerCommand extends CommandAreaShop {
 
-	@Override
-	public String getCommandStart() {
-		return "areashop setowner";
-	}
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
+    @Inject
+    private OfflinePlayerHelper offlinePlayerHelper;
+    @Inject
+    private BukkitSchedulerExecutor executor;
 
-	@Override
-	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.setownerrent") || target.hasPermission("areashop.setownerbuy")) {
-			return "help-setowner";
-		}
-		return null;
-	}
+    @Override
+    public String getCommandStart() {
+        return "areashop setowner";
+    }
 
-	@Override
-	public void execute(CommandSender sender, String[] args) {
-		if(!sender.hasPermission("areashop.setownerrent") && !sender.hasPermission("areashop.setownerbuy")) {
-			plugin.message(sender, "setowner-noPermission");
-			return;
-		}
-		GeneralRegion region;
-		if(args.length < 2) {
-			plugin.message(sender, "setowner-help");
-			return;
-		}
-		if(args.length == 2) {
-			if(sender instanceof Player) {
-				// get the region by location
-				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
-					return;
-				} else {
-					region = regions.get(0);
-				}
-			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
-				return;
-			}
-		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
-		}
-		if(region == null) {
-			plugin.message(sender, "setowner-notRegistered");
-			return;
-		}
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.setownerrent") || target.hasPermission("areashop.setownerbuy")) {
+            return "help-setowner";
+        }
+        return null;
+    }
 
-		if(region instanceof RentRegion && !sender.hasPermission("areashop.setownerrent")) {
-			plugin.message(sender, "setowner-noPermissionRent", region);
-			return;
-		}
-		if(region instanceof BuyRegion && !sender.hasPermission("areashop.setownerbuy")) {
-			plugin.message(sender, "setowner-noPermissionBuy", region);
-			return;
-		}
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.setownerrent") && !sender.hasPermission("areashop.setownerbuy")) {
+            messageBridge.message(sender, "setowner-noPermission");
+            return;
+        }
+        GeneralRegion region;
+        if (args.length < 2) {
+            messageBridge.message(sender, "setowner-help");
+            return;
+        }
+        if (args.length == 2) {
+            if (!(sender instanceof Player player)) {
+                messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
+                return;
+            }
+            // get the region by location
+            List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+            if (regions.isEmpty()) {
+                messageBridge.message(sender, "cmd-noRegionsAtLocation");
+                return;
+            } else if (regions.size() > 1) {
+                messageBridge.message(sender, "cmd-moreRegionsAtLocation");
+                return;
+            } else {
+                region = regions.get(0);
+            }
 
-		UUID uuid = null;
-		@SuppressWarnings("deprecation")
-		OfflinePlayer player = Bukkit.getOfflinePlayer(args[1]);
-		if(player != null) {
-			uuid = player.getUniqueId();
-		}
-		if(uuid == null) {
-			plugin.message(sender, "setowner-noPlayer", args[1], region);
-			return;
-		}
+        } else {
+            region = fileManager.getRegion(args[2]);
+        }
+        if (region == null) {
+            messageBridge.message(sender, "setowner-notRegistered");
+            return;
+        }
 
-		if(region instanceof RentRegion) {
-			RentRegion rent = (RentRegion)region;
-			if(rent.isRenter(uuid)) {
-				// extend
-				rent.setRentedUntil(rent.getRentedUntil() + rent.getDuration());
-				rent.setRenter(uuid);
-				plugin.message(sender, "setowner-succesRentExtend", region);
-			} else {
-				// change
-				if(!rent.isRented()) {
-					rent.setRentedUntil(Calendar.getInstance().getTimeInMillis() + rent.getDuration());
-				}
-				rent.setRenter(uuid);
-				plugin.message(sender, "setowner-succesRent", region);
-			}
-		}
-		if(region instanceof BuyRegion) {
-			BuyRegion buy = (BuyRegion)region;
-			buy.setBuyer(uuid);
-			plugin.message(sender, "setowner-succesBuy", region);
-		}
-		region.getFriendsFeature().deleteFriend(region.getOwner(), null);
-		region.update();
-		region.saveRequired();
-	}
+        if (region instanceof RentRegion && !sender.hasPermission("areashop.setownerrent")) {
+            messageBridge.message(sender, "setowner-noPermissionRent", region);
+            return;
+        }
+        if (region instanceof BuyRegion && !sender.hasPermission("areashop.setownerbuy")) {
+            messageBridge.message(sender, "setowner-noPermissionBuy", region);
+            return;
+        }
 
-	@Override
-	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-		ArrayList<String> result = new ArrayList<>();
-		if(toComplete == 2) {
-			for(Player player : Utils.getOnlinePlayers()) {
-				result.add(player.getName());
-			}
-		} else if(toComplete == 3) {
-			result.addAll(plugin.getFileManager().getRegionNames());
-		}
-		return result;
-	}
+        this.offlinePlayerHelper.lookupUuidAsync(args[1]).thenAcceptAsync(optionalUuid -> {
+            if (optionalUuid.isEmpty()) {
+                messageBridge.message(sender, "setowner-noPlayer", args[1], region);
+                return;
+            }
+            final UUID uuid = optionalUuid.get();
+            if (region instanceof RentRegion rent) {
+                if (rent.isRenter(uuid)) {
+                    // extend
+                    rent.setRentedUntil(rent.getRentedUntil() + rent.getDuration());
+                    rent.setRenter(uuid);
+                    messageBridge.message(sender, "setowner-succesRentExtend", region);
+                } else {
+                    // change
+                    if (!rent.isRented()) {
+                        rent.setRentedUntil(Calendar.getInstance().getTimeInMillis() + rent.getDuration());
+                    }
+                    rent.setRenter(uuid);
+                    messageBridge.message(sender, "setowner-succesRent", region);
+                }
+            }
+            if (region instanceof BuyRegion buy) {
+                buy.setBuyer(uuid);
+                messageBridge.message(sender, "setowner-succesBuy", region);
+            }
+            region.getFriendsFeature().deleteFriend(region.getOwner(), null);
+            region.update();
+            region.saveRequired();
+        }, this.executor);
+    }
+
+    @Override
+    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+        ArrayList<String> result = new ArrayList<>();
+        if (toComplete == 2) {
+            for (Player player : Utils.getOnlinePlayers()) {
+                result.add(player.getName());
+            }
+        } else if (toComplete == 3) {
+            result.addAll(fileManager.getRegionNames());
+        }
+        return result;
+    }
 }
 
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetpriceCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -10,8 +14,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetpriceCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop setprice";
@@ -28,11 +38,11 @@ public class SetpriceCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.setprice") && (!sender.hasPermission("areashop.setprice.landlord") && sender instanceof Player)) {
-			plugin.message(sender, "setprice-noPermission");
+			messageBridge.message(sender, "setprice-noPermission");
 			return;
 		}
 		if(args.length < 2 || args[1] == null) {
-			plugin.message(sender, "setprice-help");
+			messageBridge.message(sender, "setprice-help");
 			return;
 		}
 		GeneralRegion region;
@@ -41,27 +51,27 @@ public class SetpriceCommand extends CommandAreaShop {
 				// get the region by location
 				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					region = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
+			region = fileManager.getRegion(args[2]);
 		}
 		if(region == null) {
-			plugin.message(sender, "setprice-notRegistered", args[2]);
+			messageBridge.message(sender, "setprice-notRegistered", args[2]);
 			return;
 		}
 		if(!sender.hasPermission("areashop.setprice") && !(sender instanceof Player && region.isLandlord(((Player)sender).getUniqueId()))) {
-			plugin.message(sender, "setprice-noLandlord", region);
+			messageBridge.message(sender, "setprice-noLandlord", region);
 			return;
 		}
 		if("default".equalsIgnoreCase(args[1]) || "reset".equalsIgnoreCase(args[1])) {
@@ -71,22 +81,22 @@ public class SetpriceCommand extends CommandAreaShop {
 				((BuyRegion)region).setPrice(null);
 			}
 			region.update();
-			plugin.message(sender, "setprice-successRemoved", region);
+			messageBridge.message(sender, "setprice-successRemoved", region);
 			return;
 		}
 		double price;
 		try {
 			price = Double.parseDouble(args[1]);
 		} catch(NumberFormatException e) {
-			plugin.message(sender, "setprice-wrongPrice", args[1], region);
+			messageBridge.message(sender, "setprice-wrongPrice", args[1], region);
 			return;
 		}
 		if(region instanceof RentRegion) {
 			((RentRegion)region).setPrice(price);
-			plugin.message(sender, "setprice-successRent", region);
+			messageBridge.message(sender, "setprice-successRent", region);
 		} else if(region instanceof BuyRegion) {
 			((BuyRegion)region).setPrice(price);
-			plugin.message(sender, "setprice-successBuy", region);
+			messageBridge.message(sender, "setprice-successBuy", region);
 		}
 		region.update();
 	}
@@ -95,7 +105,7 @@ public class SetpriceCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 3) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetrestoreCommand.java

@@ -1,13 +1,27 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import org.bukkit.command.CommandSender;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.plugin.Plugin;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetrestoreCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private Plugin plugin;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop setrestore";
@@ -24,16 +38,16 @@ public class SetrestoreCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.setrestore")) {
-			plugin.message(sender, "setrestore-noPermission");
+			messageBridge.message(sender, "setrestore-noPermission");
 			return;
 		}
 		if(args.length <= 2 || args[1] == null || args[2] == null) {
-			plugin.message(sender, "setrestore-help");
+			messageBridge.message(sender, "setrestore-help");
 			return;
 		}
-		GeneralRegion region = plugin.getFileManager().getRegion(args[1]);
+		GeneralRegion region = fileManager.getRegion(args[1]);
 		if(region == null) {
-			plugin.message(sender, "setrestore-notRegistered", args[1]);
+			messageBridge.message(sender, "setrestore-notRegistered", args[1]);
 			return;
 		}
 		Boolean value = null;
@@ -49,9 +63,9 @@ public class SetrestoreCommand extends CommandAreaShop {
 		}
 		if(args.length > 3) {
 			region.setSchematicProfile(args[3]);
-			plugin.message(sender, "setrestore-successProfile", valueString, args[3], region);
+			messageBridge.message(sender, "setrestore-successProfile", valueString, args[3], region);
 		} else {
-			plugin.message(sender, "setrestore-success", valueString, region);
+			messageBridge.message(sender, "setrestore-success", valueString, region);
 		}
 		region.update();
 	}
@@ -60,13 +74,16 @@ public class SetrestoreCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		} else if(toComplete == 3) {
 			result.add("true");
 			result.add("false");
 			result.add("general");
 		} else if(toComplete == 4) {
-			result.addAll(plugin.getConfig().getConfigurationSection("schematicProfiles").getKeys(false));
+			ConfigurationSection schemProfiles = fileManager.getConfig().getConfigurationSection("schematicProfiles");
+			if (schemProfiles != null) {
+				result.addAll(schemProfiles.getKeys(false));
+			}
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetteleportCommand.java

@@ -1,6 +1,10 @@
 package me.wiefferink.areashop.commands;
 
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -11,8 +15,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetteleportCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop settp";
@@ -33,10 +43,9 @@ public class SetteleportCommand extends CommandAreaShop {
 	 * @return true if the person can set the teleport location, otherwise false
 	 */
 	public static boolean canUse(CommandSender person, GeneralRegion region) {
-		if(!(person instanceof Player)) {
+		if(!(person instanceof Player player)) {
 			return false;
 		}
-		Player player = (Player)person;
 		return player.hasPermission("areashop.setteleportall")
 				|| region.isOwner(player) && player.hasPermission("areashop.setteleport");
 	}
@@ -44,35 +53,34 @@ public class SetteleportCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.setteleport") && !sender.hasPermission("areashop.setteleportall")) {
-			plugin.message(sender, "setteleport-noPermission");
+			messageBridge.message(sender, "setteleport-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 		GeneralRegion region;
 		if(args.length < 2) {
 			// get the region by location
 			List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
 			if(regions.isEmpty()) {
-				plugin.message(sender, "cmd-noRegionsAtLocation");
+				messageBridge.message(sender, "cmd-noRegionsAtLocation");
 				return;
 			} else if(regions.size() > 1) {
-				plugin.message(sender, "cmd-moreRegionsAtLocation");
+				messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 				return;
 			} else {
 				region = regions.get(0);
 			}
 		} else {
-			region = plugin.getFileManager().getRegion(args[1]);
+			region = fileManager.getRegion(args[1]);
 		}
 
 		boolean owner;
 
 		if(region == null) {
-			plugin.message(player, "setteleport-noRentOrBuy", args[1]);
+			messageBridge.message(player, "setteleport-noRentOrBuy", args[1]);
 			return;
 		}
 		if(region instanceof RentRegion) {
@@ -81,10 +89,10 @@ public class SetteleportCommand extends CommandAreaShop {
 			owner = player.getUniqueId().equals(((BuyRegion)region).getBuyer());
 		}
 		if(!player.hasPermission("areashop.setteleport")) {
-			plugin.message(player, "setteleport-noPermission", region);
+			messageBridge.message(player, "setteleport-noPermission", region);
 			return;
 		} else if(!owner && !player.hasPermission("areashop.setteleportall")) {
-			plugin.message(player, "setteleport-noPermissionOther", region);
+			messageBridge.message(player, "setteleport-noPermissionOther", region);
 			return;
 		}
 
@@ -92,23 +100,23 @@ public class SetteleportCommand extends CommandAreaShop {
 		if(args.length > 2 && args[2] != null && (args[2].equalsIgnoreCase("reset") || args[2].equalsIgnoreCase("yes") || args[2].equalsIgnoreCase("true"))) {
 			region.getTeleportFeature().setTeleport(null);
 			region.update();
-			plugin.message(player, "setteleport-reset", region);
+			messageBridge.message(player, "setteleport-reset", region);
 			return;
 		}
 		if(!player.hasPermission("areashop.setteleportoutsideregion") && (wgRegion == null || !wgRegion.contains(player.getLocation().getBlockX(), player.getLocation().getBlockY(), player.getLocation().getBlockZ()))) {
-			plugin.message(player, "setteleport-notInside", region);
+			messageBridge.message(player, "setteleport-notInside", region);
 			return;
 		}
 		region.getTeleportFeature().setTeleport(player.getLocation());
 		region.update();
-		plugin.message(player, "setteleport-success", region);
+		messageBridge.message(player, "setteleport-success", region);
 	}
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		} else if(toComplete == 3) {
 			result.add("reset");
 		}

AreaShop/src/main/java/me/wiefferink/areashop/commands/StackCommand.java

@@ -2,27 +2,47 @@ package me.wiefferink.areashop.commands;
 
 import com.sk89q.worldguard.protection.managers.RegionManager;
 import com.sk89q.worldguard.protection.regions.ProtectedCuboidRegion;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.events.ask.AddingRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
-import me.wiefferink.areashop.regions.BuyRegion;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
 import me.wiefferink.areashop.regions.RegionGroup;
-import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.Location;
 import org.bukkit.block.BlockFace;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 import org.bukkit.scheduler.BukkitRunnable;
 import org.bukkit.util.Vector;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class StackCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	@Inject
+	private WorldGuardInterface worldGuardInterface;
+	@Inject
+	private RegionFactory regionFactory;
+	@Inject
+	private Plugin plugin;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop stack";
@@ -40,18 +60,17 @@ public class StackCommand extends CommandAreaShop {
 	public void execute(CommandSender sender, String[] args) {
 		// Check permission
 		if(!sender.hasPermission("areashop.stack")) {
-			plugin.message(sender, "stack-noPermission");
+			messageBridge.message(sender, "stack-noPermission");
 			return;
 		}
 		// Only from ingame
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof final Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		final Player player = (Player)sender;
 		// Specify enough arguments
 		if(args.length < 5) {
-			plugin.message(sender, "stack-help");
+			messageBridge.message(sender, "stack-help");
 			return;
 		}
 		// Check amount
@@ -62,7 +81,7 @@ public class StackCommand extends CommandAreaShop {
 			// Incorrect number
 		}
 		if(tempAmount <= 0) {
-			plugin.message(player, "stack-wrongAmount", args[1]);
+			messageBridge.message(player, "stack-wrongAmount", args[1]);
 			return;
 		}
 		// Check gap
@@ -70,27 +89,27 @@ public class StackCommand extends CommandAreaShop {
 		try {
 			gap = Integer.parseInt(args[2]);
 		} catch(NumberFormatException e) {
-			plugin.message(player, "stack-wrongGap", args[2]);
+			messageBridge.message(player, "stack-wrongGap", args[2]);
 			return;
 		}
 		// Check region type
 		if(!"rent".equalsIgnoreCase(args[4]) && !"buy".equalsIgnoreCase(args[4])) {
-			plugin.message(sender, "stack-help");
+			messageBridge.message(sender, "stack-help");
 			return;
 		}
 		// Get WorldEdit selection
-		final WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+		final WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 		if(selection == null) {
-			plugin.message(player, "stack-noSelection");
+			messageBridge.message(player, "stack-noSelection");
 			return;
 		}
 		// Get or create group
 		RegionGroup group = null;
 		if(args.length > 5) {
-			group = plugin.getFileManager().getGroup(args[5]);
+			group = fileManager.getGroup(args[5]);
 			if(group == null) {
-				group = new RegionGroup(plugin, args[5]);
-				plugin.getFileManager().addGroup(group);
+				group = regionFactory.createRegionGroup(args[5]);
+				fileManager.addGroup(group);
 			}
 		}
 		// Get facing of the player (must be clearly one of the four directions to make sure it is no mistake)
@@ -101,7 +120,7 @@ public class StackCommand extends CommandAreaShop {
 			facing = BlockFace.UP;
 		}
 		if(!(facing == BlockFace.NORTH || facing == BlockFace.EAST || facing == BlockFace.SOUTH || facing == BlockFace.WEST || facing == BlockFace.UP || facing == BlockFace.DOWN)) {
-			plugin.message(player, "stack-unclearDirection", facing.toString().toLowerCase().replace('_', '-'));
+			messageBridge.message(player, "stack-unclearDirection", facing.toString().toLowerCase().replace('_', '-'));
 			return;
 		}
 		Vector shift = new Vector(0, 0, 0);
@@ -138,8 +157,8 @@ public class StackCommand extends CommandAreaShop {
 		if(group != null) {
 			groupsMessage = Message.fromKey("stack-addToGroup").replacements(group.getName());
 		}
-		plugin.message(player, "stack-accepted", amount, type, gap, nameTemplate, groupsMessage);
-		plugin.message(player, "stack-addStart", amount, regionsPerTick * 20);
+		messageBridge.message(player, "stack-accepted", amount, type, gap, nameTemplate, groupsMessage);
+		messageBridge.message(player, "stack-addStart", amount, regionsPerTick * 20);
 
 		Location minimumLocation = selection.getMinimumLocation();
 		Vector minimumVector = new Vector(minimumLocation.getX(), minimumLocation.getY(), minimumLocation.getZ());
@@ -176,24 +195,24 @@ public class StackCommand extends CommandAreaShop {
 							tooHigh++;
 							continue;
 						}
-						ProtectedCuboidRegion region = plugin.getWorldGuardHandler().createCuboidRegion(regionName, minimum,maximum);
+						ProtectedCuboidRegion region = worldGuardInterface.createCuboidRegion(regionName, minimum,maximum);
 						manager.addRegion(region);
 
 						// Add the region to AreaShop
 						GeneralRegion newRegion;
 						if(rentRegions) {
-							newRegion = new RentRegion(regionName, selection.getWorld());
+							newRegion = regionFactory.createRentRegion(regionName, selection.getWorld());
 
 						} else {
-							newRegion = new BuyRegion(regionName, selection.getWorld());
+							newRegion = regionFactory.createBuyRegion(regionName, selection.getWorld());
 						}
 
 						if(finalGroup != null) {
 							finalGroup.addMember(newRegion);
 						}
-						AddingRegionEvent event = plugin.getFileManager().addRegion(newRegion);
+						AddingRegionEvent event = fileManager.addRegion(newRegion);
 						if (event.isCancelled()) {
-							plugin.message(player, "general-cancelled", event.getReason());
+							messageBridge.message(player, "general-cancelled", event.getReason());
 							continue;
 						}
 						newRegion.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
@@ -210,7 +229,7 @@ public class StackCommand extends CommandAreaShop {
 						if(tooLow > 0) {
 							wrong.append(Message.fromKey("stack-tooLow").replacements(tooLow));
 						}
-						plugin.message(player, "stack-addComplete", added, wrong);
+						messageBridge.message(player, "stack-addComplete", added, wrong);
 					}
 					this.cancel();
 				}
@@ -245,7 +264,7 @@ public class StackCommand extends CommandAreaShop {
 			result.add("rent");
 			result.add("buy");
 		} else if(toComplete == 6) {
-			result.addAll(plugin.getFileManager().getGroupNames());
+			result.addAll(fileManager.getGroupNames());
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/StopresellCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -8,8 +12,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class StopresellCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop stopresell";
@@ -26,7 +36,7 @@ public class StopresellCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.stopresell") && !sender.hasPermission("areashop.stopresellall")) {
-			plugin.message(sender, "stopresell-noPermissionOther");
+			messageBridge.message(sender, "stopresell-noPermissionOther");
 			return;
 		}
 
@@ -36,47 +46,47 @@ public class StopresellCommand extends CommandAreaShop {
 				// get the region by location
 				List<BuyRegion> regions = Utils.getImportantBuyRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					buy = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			buy = plugin.getFileManager().getBuy(args[1]);
+			buy = fileManager.getBuy(args[1]);
 			if(buy == null) {
-				plugin.message(sender, "stopresell-notRegistered", args[1]);
+				messageBridge.message(sender, "stopresell-notRegistered", args[1]);
 				return;
 			}
 		}
 		if(buy == null) {
-			plugin.message(sender, "cmd-noRegionsAtLocation");
+			messageBridge.message(sender, "cmd-noRegionsAtLocation");
 			return;
 		}
 		if(!buy.isInResellingMode()) {
-			plugin.message(sender, "stopresell-notResell", buy);
+			messageBridge.message(sender, "stopresell-notResell", buy);
 			return;
 		}
 		if(sender.hasPermission("areashop.stopresellall")) {
 			buy.disableReselling();
 			buy.update();
-			plugin.message(sender, "stopresell-success", buy);
+			messageBridge.message(sender, "stopresell-success", buy);
 		} else if(sender.hasPermission("areashop.stopresell") && sender instanceof Player) {
 			if(buy.isOwner((Player)sender)) {
 				buy.disableReselling();
 				buy.update();
-				plugin.message(sender, "stopresell-success", buy);
+				messageBridge.message(sender, "stopresell-success", buy);
 			} else {
-				plugin.message(sender, "stopresell-noPermissionOther", buy);
+				messageBridge.message(sender, "stopresell-noPermissionOther", buy);
 			}
 		} else {
-			plugin.message(sender, "stopresell-noPermission", buy);
+			messageBridge.message(sender, "stopresell-noPermission", buy);
 		}
 	}
 
@@ -84,7 +94,7 @@ public class StopresellCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(BuyRegion region : plugin.getFileManager().getBuys()) {
+			for(BuyRegion region : fileManager.getBuysRef()) {
 				if(region.isSold() && region.isInResellingMode()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/TeleportCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -7,8 +11,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class TeleportCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop tp";
@@ -29,10 +39,9 @@ public class TeleportCommand extends CommandAreaShop {
 	 * @return true if the person can teleport to it, otherwise false
 	 */
 	public static boolean canUse(CommandSender person, GeneralRegion region) {
-		if(!(person instanceof Player)) {
+		if(!(person instanceof Player player)) {
 			return false;
 		}
-		Player player = (Player)person;
 		return player.hasPermission("areashop.teleportall")
 				|| region.isOwner(player) && player.hasPermission("areashop.teleport")
 				|| region.isAvailable() && player.hasPermission("areashop.teleportavailable")
@@ -42,21 +51,20 @@ public class TeleportCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.teleport") && !sender.hasPermission("areashop.teleportall") && !sender.hasPermission("areashop.teleportavailable") && !sender.hasPermission("areashop.teleportavailablesign") && !sender.hasPermission("areashop.teleportsign") && !sender.hasPermission("areashop.teleportsignall") && !sender.hasPermission("areashop.teleportfriend") && !sender.hasPermission("teleportfriendsign")) {
-			plugin.message(sender, "teleport-noPermission");
+			messageBridge.message(sender, "teleport-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
 		if(args.length <= 1 || args[1] == null) {
-			plugin.message(sender, "teleport-help");
+			messageBridge.message(sender, "teleport-help");
 			return;
 		}
-		Player player = (Player)sender;
-		GeneralRegion region = plugin.getFileManager().getRegion(args[1]);
+		GeneralRegion region = fileManager.getRegion(args[1]);
 		if(region == null) {
-			plugin.message(player, "teleport-noRentOrBuy", args[1]);
+			messageBridge.message(player, "teleport-noRentOrBuy", args[1]);
 			return;
 		}
 
@@ -65,14 +73,14 @@ public class TeleportCommand extends CommandAreaShop {
 						|| args[2].equalsIgnoreCase("yes")
 						|| args[2].equalsIgnoreCase("true")
 		);
-		region.getTeleportFeature().teleportPlayer(player, toSign, true);
+		region.getTeleportFeature().teleportPlayer(player, toSign);
 	}
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		} else if(toComplete == 3) {
 			result.add("sign");
 		}

AreaShop/src/main/java/me/wiefferink/areashop/commands/UnrentCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
@@ -9,8 +13,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class UnrentCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop unrent";
@@ -34,8 +44,7 @@ public class UnrentCommand extends CommandAreaShop {
 		if(person.hasPermission("areashop.unrent")) {
 			return true;
 		}
-		if(person instanceof Player) {
-			Player player = (Player)person;
+		if(person instanceof Player player) {
 			return region.isOwner(player) && person.hasPermission("areashop.unrentown");
 		}
 		return false;
@@ -44,7 +53,7 @@ public class UnrentCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.unrent") && !sender.hasPermission("areashop.unrentown")) {
-			plugin.message(sender, "unrent-noPermission");
+			messageBridge.message(sender, "unrent-noPermission");
 			return;
 		}
 		RentRegion rent;
@@ -53,27 +62,27 @@ public class UnrentCommand extends CommandAreaShop {
 				// get the region by location
 				List<RentRegion> regions = Utils.getImportantRentRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					rent = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			rent = plugin.getFileManager().getRent(args[1]);
+			rent = fileManager.getRent(args[1]);
 		}
 		if(rent == null) {
-			plugin.message(sender, "unrent-notRegistered");
+			messageBridge.message(sender, "unrent-notRegistered");
 			return;
 		}
 		if(!rent.isRented()) {
-			plugin.message(sender, "unrent-notRented", rent);
+			messageBridge.message(sender, "unrent-notRented", rent);
 			return;
 		}
 		rent.unRent(true, sender);
@@ -83,7 +92,7 @@ public class UnrentCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(RentRegion region : plugin.getFileManager().getRents()) {
+			for(RentRegion region : fileManager.getRentsRef()) {
 				if(region.isRented()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/features/CommandsFeature.java

@@ -1,5 +1,8 @@
 package me.wiefferink.areashop.features;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.ask.AddingRegionEvent;
 import me.wiefferink.areashop.events.ask.BuyingRegionEvent;
 import me.wiefferink.areashop.events.ask.DeletingRegionEvent;
@@ -22,8 +25,14 @@ import org.bukkit.event.EventPriority;
 
 import java.util.List;
 
+@Singleton
 public class CommandsFeature extends RegionFeature {
 
+	@Inject
+	CommandsFeature(AreaShop plugin) {
+		super(plugin);
+	}
+
 	/**
 	 * Run command for a certain event.
 	 * @param region Region to execute the events for
@@ -36,7 +45,7 @@ public class CommandsFeature extends RegionFeature {
 			return;
 		}
 		List<String> commands = eventCommandProfileSection.getStringList(event.getValue() + "." + (before ? "before" : "after"));
-		if(commands == null || commands.isEmpty()) {
+		if(commands.isEmpty()) {
 			return;
 		}
 		region.runCommands(Bukkit.getConsoleSender(), commands);

AreaShop/src/main/java/me/wiefferink/areashop/features/DebugFeature.java

@@ -1,5 +1,7 @@
 package me.wiefferink.areashop.features;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.ask.BuyingRegionEvent;
 import me.wiefferink.areashop.events.ask.RentingRegionEvent;
@@ -19,8 +21,16 @@ import me.wiefferink.areashop.events.notify.UpdateRegionEvent;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.event.EventHandler;
 
+import javax.annotation.Nonnull;
+
+@Singleton
 public class DebugFeature extends RegionFeature {
 
+	@Inject
+	DebugFeature(@Nonnull AreaShop plugin) {
+		super(plugin);
+	}
+
 	@EventHandler
 	public void buyingRegion(BuyingRegionEvent event) {
 		AreaShop.debug("BuyingRegionEvent: " + event.getPlayer().getName() + " is trying to buy " + event.getRegion().getName());

AreaShop/src/main/java/me/wiefferink/areashop/features/FeatureFactory.java

@@ -0,0 +1,19 @@
+package me.wiefferink.areashop.features;
+
+import me.wiefferink.areashop.features.signs.SignsFeature;
+import me.wiefferink.areashop.regions.GeneralRegion;
+
+import javax.annotation.Nonnull;
+
+public interface FeatureFactory {
+
+    @Nonnull
+    SignsFeature createSignsFeature(@Nonnull GeneralRegion generalRegion);
+
+    @Nonnull
+    TeleportFeature createTeleportFeature(@Nonnull GeneralRegion generalRegion);
+
+    @Nonnull
+    FriendsFeature createFriendsFeature(@Nonnull GeneralRegion generalRegion);
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/FriendsFeature.java

@@ -1,5 +1,10 @@
 package me.wiefferink.areashop.features;
 
+import com.google.inject.Inject;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.events.askandnotify.AddedFriendEvent;
 import me.wiefferink.areashop.events.askandnotify.DeletedFriendEvent;
 import me.wiefferink.areashop.regions.GeneralRegion;
@@ -7,6 +12,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
@@ -15,7 +21,12 @@ import java.util.UUID;
 
 public class FriendsFeature extends RegionFeature {
 
-	public FriendsFeature(GeneralRegion region) {
+	@Inject
+	private MessageBridge messageBridge;
+	
+	@AssistedInject
+	public FriendsFeature(@Nonnull AreaShop plugin, @Assisted @Nonnull GeneralRegion region) {
+		super(plugin);
 		setRegion(region);
 	}
 
@@ -30,7 +41,7 @@ public class FriendsFeature extends RegionFeature {
 		AddedFriendEvent event = new AddedFriendEvent(getRegion(), Bukkit.getOfflinePlayer(player), by);
 		Bukkit.getPluginManager().callEvent(event);
 		if(event.isCancelled()) {
-			plugin.message(by, "general-cancelled", event.getReason(), this);
+			messageBridge.message(by, "general-cancelled", event.getReason(), this);
 			return false;
 		}
 
@@ -52,7 +63,7 @@ public class FriendsFeature extends RegionFeature {
 		DeletedFriendEvent event = new DeletedFriendEvent(getRegion(), Bukkit.getOfflinePlayer(player), by);
 		Bukkit.getPluginManager().callEvent(event);
 		if(event.isCancelled()) {
-			plugin.message(by, "general-cancelled", event.getReason(), this);
+			messageBridge.message(by, "general-cancelled", event.getReason(), this);
 			return false;
 		}
 
@@ -92,7 +103,7 @@ public class FriendsFeature extends RegionFeature {
 		HashSet<String> result = new HashSet<>();
 		for(UUID friend : getFriends()) {
 			OfflinePlayer player = Bukkit.getOfflinePlayer(friend);
-			if(player.hasPlayedBefore() && player.getName() != null) {
+			if(player != null && player.getName() != null) {
 				result.add(player.getName());
 			}
 		}

AreaShop/src/main/java/me/wiefferink/areashop/features/RegionFeature.java

@@ -2,10 +2,11 @@ package me.wiefferink.areashop.features;
 
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.regions.GeneralRegion;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.event.HandlerList;
 import org.bukkit.event.Listener;
 
+import javax.annotation.Nonnull;
+
 /*
 Possible future feature classes:
 - RestrictedToRegion feature
@@ -28,11 +29,14 @@ Possible future feature classes:
  */
 
 public abstract class RegionFeature implements Listener {
-	public static final AreaShop plugin = AreaShop.getInstance();
 
-	protected YamlConfiguration config = plugin.getConfig();
+	protected final AreaShop plugin;
 	private GeneralRegion region;
 
+	protected RegionFeature(@Nonnull AreaShop plugin) {
+		this.plugin = plugin;
+	}
+
 	/**
 	 * Set the region for this feature.
 	 * @param region Feature region

AreaShop/src/main/java/me/wiefferink/areashop/features/WorldGuardRegionFlagsFeature.java

@@ -5,20 +5,34 @@ import com.sk89q.worldguard.protection.flags.Flag;
 import com.sk89q.worldguard.protection.flags.InvalidFlagFormat;
 import com.sk89q.worldguard.protection.flags.RegionGroupFlag;
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.notify.UpdateRegionEvent;
 import me.wiefferink.areashop.interfaces.RegionAccessSet;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.event.EventHandler;
 
+import javax.annotation.Nonnull;
 import java.util.Objects;
 import java.util.Set;
 import java.util.UUID;
 
+@Singleton
 public class WorldGuardRegionFlagsFeature extends RegionFeature {
 
+	@Inject
+	private WorldGuardInterface worldGuardInterface;
+	@Inject
+	private WorldGuardPlugin worldGuard;
+	
+	@Inject
+	WorldGuardRegionFlagsFeature(@Nonnull AreaShop plugin) {
+		super(plugin);
+	}
 
 	@EventHandler
 	public void regionUpdate(UpdateRegionEvent event) {
@@ -69,7 +83,6 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 		boolean result = true;
 
 		Set<String> flagNames = flags.getKeys(false);
-		WorldGuardPlugin worldGuard = plugin.getWorldGuard();
 
 		// Get the region
 		ProtectedRegion worldguardRegion = region.getRegion();
@@ -81,14 +94,14 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 		for(String flagName : flagNames) {
 			String value = Message.fromString(flags.getString(flagName)).replacements(region).getPlain();
 			// In the config normal Bukkit color codes are used, those only need to be translated on 5.X WorldGuard versions
-			if(plugin.getWorldGuard().getDescription().getVersion().startsWith("5.")) {
+			if(worldGuard.getDescription().getVersion().startsWith("5.")) {
 				value = translateBukkitToWorldGuardColors(value);
 			}
 			if(flagName.equalsIgnoreCase("members")) {
-				plugin.getWorldGuardHandler().setMembers(worldguardRegion, parseAccessSet(value));
+				worldGuardInterface.setMembers(worldguardRegion, parseAccessSet(value));
 				//AreaShop.debug("  Flag " + flagName + " set: " + members.toUserFriendlyString());
 			} else if(flagName.equalsIgnoreCase("owners")) {
-				plugin.getWorldGuardHandler().setOwners(worldguardRegion, parseAccessSet(value));
+				worldGuardInterface.setOwners(worldguardRegion, parseAccessSet(value));
 				//AreaShop.debug("  Flag " + flagName + " set: " + owners.toUserFriendlyString());
 			} else if(flagName.equalsIgnoreCase("priority")) {
 				try {
@@ -123,7 +136,7 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 				String flagSetting = null;
 				com.sk89q.worldguard.protection.flags.RegionGroup groupValue = null;
 
-				Flag<?> foundFlag = plugin.getWorldGuardHandler().fuzzyMatchFlag(flagName);
+				Flag<?> foundFlag = worldGuardInterface.fuzzyMatchFlag(flagName);
 				if(foundFlag == null) {
 					AreaShop.warn("Found wrong flag in flagProfiles section: " + flagName + ", check if that is the correct WorldGuard flag");
 					continue;
@@ -145,7 +158,7 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 							if(part.startsWith("g:")) {
 								if(part.length() > 2) {
 									try {
-										groupValue = plugin.getWorldGuardHandler().parseFlagGroupInput(groupFlag, part.substring(2));
+										groupValue = worldGuardInterface.parseFlagGroupInput(groupFlag, part.substring(2));
 									} catch(InvalidFlagFormat e) {
 										AreaShop.warn("Found wrong group value for flag " + flagName);
 									}
@@ -229,7 +242,7 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 	 */
 	private <V> void setFlag(ProtectedRegion region, Flag<V> flag, String value) throws InvalidFlagFormat {
 		V current = region.getFlag(flag);
-		V next = plugin.getWorldGuardHandler().parseFlagInput(flag, value);
+		V next = worldGuardInterface.parseFlagInput(flag, value);
 
 		if(!Objects.equals(current, next)) {
 			region.setFlag(flag, next);
@@ -255,7 +268,7 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 		result = result.replace("&1", "&B");
 		result = result.replace("&d", "&p");
 		result = result.replace("&5", "&P");
-		//result = result.replace("&0", "&0");
+		result = result.replace("&0", "&0");
 		result = result.replace("&8", "&1");
 		result = result.replace("&7", "&2");
 		result = result.replace("&f", "&w");

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/RegionSign.java

@@ -1,19 +1,21 @@
 package me.wiefferink.areashop.features.signs;
 
 import com.google.common.base.Objects;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
+import io.github.bakedlibs.dough.blocks.BlockPosition;
 import io.papermc.lib.PaperLib;
-import io.papermc.lib.features.blockstatesnapshot.BlockStateSnapshotResult;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.managers.SignErrorLogger;
-import me.wiefferink.areashop.interfaces.BlockBehaviourHelper;
+import me.wiefferink.areashop.nms.BlockBehaviourHelper;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Materials;
+import me.wiefferink.areashop.tools.SignUtils;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
-import org.bukkit.Tag;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.BlockState;
@@ -24,308 +26,270 @@ import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.logging.Level;
 
 /**
  * Sign that is connected to a region to display information and interact with the region.
  */
 public class RegionSign {
 
+	private final BlockBehaviourHelper blockHelper;
+	private final SignErrorLogger errorLogger;
 
-    public static final BlockBehaviourHelper behaviourHelper = AreaShop.getInstance().getNMSHelper().behaviourHelper();
-    public static Level invalidSignLogLevel;
-    public static boolean removeInvalidSigns;
-
-    static {
-        YamlConfiguration configuration = AreaShop.getInstance().getConfig();
-        removeInvalidSigns = configuration.getBoolean("signs.removeInvalid");
-        final String rawLogLevel = configuration.getString("signs.invalidSignLogLevel", "WARNING");
-        try {
-            assert rawLogLevel != null;
-            invalidSignLogLevel = Level.parse(rawLogLevel);
-        } catch (IllegalArgumentException ex) {
-            AreaShop.warn("Invalid Logging Level: " + rawLogLevel);
-            invalidSignLogLevel = Level.WARNING;
-        }
-    }
+	private final SignsFeature signsFeature;
+	private final String key;
 
 
-    private static boolean canLogSignError() {
-        return AreaShop.getInstance().getLogger().isLoggable(invalidSignLogLevel);
-    }
+	@AssistedInject
+	RegionSign(
+			@Nonnull BlockBehaviourHelper blockBehaviourHelper,
+			@Nonnull SignErrorLogger signErrorLogger,
+			@Assisted @Nonnull SignsFeature signsFeature,
+			@Assisted @Nonnull String key
+	) {
+		this.blockHelper = blockBehaviourHelper;
+		this.errorLogger = signErrorLogger;
+		this.signsFeature = signsFeature;
+		this.key = key;
+	}
 
-    private static void logSignError(String... messages) {
-        if (invalidSignLogLevel == Level.OFF) {
-            return;
-        }
-        if (invalidSignLogLevel == Level.SEVERE) {
-            AreaShop.error((Object) messages);
-        } else if (invalidSignLogLevel == Level.WARNING) {
-            AreaShop.warn((Object) messages);
-        } else if (invalidSignLogLevel.intValue() >= Level.FINE.intValue()) {
-            AreaShop.debug((Object) messages);
-        } else {
-            AreaShop.info((Object) messages);
-        }
-    }
+	public BlockPosition getPosition() {
+		return new BlockPosition(getLocation());
+	}
 
-    private final SignsFeature signsFeature;
-    private final String key;
+	/**
+	 * Get the location of this sign.
+	 * @return The location of this sign
+	 */
+	public Location getLocation() {
+		return Utils.configToLocation(getRegion().getConfig().getConfigurationSection("general.signs." + key + ".location"));
+	}
 
-    public RegionSign(SignsFeature signsFeature, String key) {
-        this.signsFeature = signsFeature;
-        this.key = key;
-    }
+	/**
+	 * Location string to be used as key in maps.
+	 * @return Location string
+	 */
+	public String getStringLocation() {
+		return SignsFeature.locationToString(getLocation());
+	}
 
-    /**
-     * Get the location of this sign.
-     *
-     * @return The location of this sign
-     */
-    public Location getLocation() {
-        return Utils.configToLocation(getRegion().getConfig().getConfigurationSection("general.signs." + key + ".location"));
-    }
+	/**
+	 * Chunk string to be used as key in maps.
+	 * @return Chunk string
+	 */
+	public String getStringChunk() {
+		return SignsFeature.chunkToString(getLocation());
+	}
 
-    /**
-     * Location string to be used as key in maps.
-     *
-     * @return Location string
-     */
-    public String getStringLocation() {
-        return SignsFeature.locationToString(getLocation());
-    }
+	/**
+	 * Get the region this sign is linked to.
+	 * @return The region this sign is linked to
+	 */
+	public GeneralRegion getRegion() {
+		return signsFeature.getRegion();
+	}
 
-    /**
-     * Chunk string to be used as key in maps.
-     *
-     * @return Chunk string
-     */
-    public String getStringChunk() {
-        return SignsFeature.chunkToString(getLocation());
-    }
+	/**
+	 * Remove this sign from the region.
+	 */
+	public void remove() {
+		Location location = getLocation();
+		if (location != null && location.getWorld() != null) {
+			location.getBlock().setType(Material.AIR);
+			this.signsFeature.signManager().removeSign(this);
+		}
+		getRegion().setSetting("general.signs." + key, null);
+		// Remove the sign from the region's sign manager
+	}
 
-    /**
-     * Get the region this sign is linked to.
-     *
-     * @return The region this sign is linked to
-     */
-    public GeneralRegion getRegion() {
-        return signsFeature.getRegion();
-    }
+	/**
+	 * Get the ConfigurationSection defining the sign layout.
+	 * @return The sign layout config
+	 */
+	public ConfigurationSection getProfile() {
+		return getRegion().getConfigurationSectionSetting("general.signProfile", "signProfiles", getRegion().getConfig().get("general.signs." + key + ".profile"));
+	}
 
-    /**
-     * Remove this sign from the region.
-     */
-    public void remove() {
-        getLocation().getBlock().setType(Material.AIR);
-        signsFeature.getSignsRef().remove(getStringLocation());
-        SignsFeature.getAllSigns().remove(getStringLocation());
-        SignsFeature.getSignsByChunk().get(getStringChunk()).remove(this);
-        getRegion().setSetting("general.signs." + key, null);
-    }
+	/**
+	 * Get the facing of the sign as saved in the config.
+	 * @return BlockFace the sign faces, or null if unknown
+	 */
+	public BlockFace getFacing() {
+		try {
+			return BlockFace.valueOf(getRegion().getConfig().getString("general.signs." + key + ".facing"));
+		} catch(NullPointerException | IllegalArgumentException e) {
+			return null;
+		}
+	}
 
-    /**
-     * Get the ConfigurationSection defining the sign layout.
-     *
-     * @return The sign layout config
-     */
-    public ConfigurationSection getProfile() {
-        return getRegion().getConfigurationSectionSetting("general.signProfile", "signProfiles", getRegion().getConfig().get("general.signs." + key + ".profile"));
-    }
+	/**
+	 * Get the material of the sign as saved in the config.
+	 * @return Material of the sign,Material.AIR if none.
+	 */
+	public Material getMaterial() {
+		String name = getRegion().getConfig().getString("general.signs." + key + ".signType");
+		Material result = Materials.signNameToMaterial(name);
+		return result == null ? Material.AIR : result;
+	}
 
-    /**
-     * Get the facing of the sign as saved in the config.
-     *
-     * @return BlockFace the sign faces, or null if unknown
-     */
-    public BlockFace getFacing() {
-        try {
-            return BlockFace.valueOf(getRegion().getConfig().getString("general.signs." + key + ".facing"));
-        } catch (NullPointerException | IllegalArgumentException e) {
-            return null;
-        }
-    }
+	/**
+	 * Update this sign.
+	 * @return true if the update was successful, otherwise false
+	 */
+	public boolean update() {
+		// Ignore updates of signs in chunks that are not loaded
+		Location signLocation = getLocation();
+		if(signLocation == null
+				|| signLocation.getWorld() == null
+				|| !signLocation.getWorld().isChunkLoaded(signLocation.getBlockX() >> 4, signLocation.getBlockZ() >> 4)) {
+			return false;
+		}
 
-    /**
-     * Get the material of the sign as saved in the config.
-     *
-     * @return Material of the sign, usually, a sign or {@link Material#AIR} if none.
-     */
-    public Material getMaterial() {
-        String name = getRegion().getConfig().getString("general.signs." + key + ".signType");
-        Material result = Materials.signNameToMaterial(name);
-        return result == null ? Material.AIR : result;
-    }
+		if(getRegion().isDeleted()) {
+			return false;
+		}
 
-    /**
-     * Update this sign.
-     *
-     * @return true if the update was successful, otherwise false
-     */
-    public boolean update() {
-        // Ignore updates of signs in chunks that are not loaded
-        Location signLocation = getLocation();
-        if (signLocation == null
-                || signLocation.getWorld() == null
-                || !signLocation.getWorld().isChunkLoaded(signLocation.getBlockX() >> 4, signLocation.getBlockZ() >> 4)) {
-            return false;
-        }
+		YamlConfiguration regionConfig = getRegion().getConfig();
+		ConfigurationSection signConfig = getProfile();
+		Block block = signLocation.getBlock();
+		if(signConfig == null || !signConfig.isSet(getRegion().getState().getValue())) {
+			block.setType(Material.AIR);
+			return true;
+		}
 
-        if (getRegion().isDeleted()) {
-            return false;
-        }
+		ConfigurationSection stateConfig = signConfig.getConfigurationSection(getRegion().getState().getValue());
 
-        YamlConfiguration regionConfig = getRegion().getConfig();
-        ConfigurationSection signConfig = getProfile();
-        Block block = signLocation.getBlock();
-        if (signConfig == null || !signConfig.isSet(getRegion().getState().getValue())) {
-            block.setType(Material.AIR);
-            return true;
-        }
+		// Get the lines
+		String[] signLines = new String[4];
+		boolean signEmpty = true;
+		for(int i = 0; i < 4; i++) {
+			signLines[i] = stateConfig.getString("line" + (i + 1));
+			signEmpty &= (signLines[i] == null || signLines[i].isEmpty());
+		}
+		if(signEmpty) {
+			block.setType(Material.AIR);
+			return true;
+		}
 
-        ConfigurationSection stateConfig = signConfig.getConfigurationSection(getRegion().getState().getValue());
-        assert stateConfig != null;
-        // Get the lines
-        String[] signLines = new String[4];
-        boolean signEmpty = true;
-        for (int i = 0; i < 4; i++) {
-            signLines[i] = stateConfig.getString("line" + (i + 1));
-            signEmpty &= (signLines[i] == null || signLines[i].isEmpty());
-        }
-        if (signEmpty) {
-            block.setType(Material.AIR);
-            return true;
-        }
-        final BlockStateSnapshotResult snapshot = PaperLib.getBlockState(block, false);
-        final BlockState blockState = snapshot.getState();
-        final BlockData blockData = blockState.getBlockData();
-        final SignErrorLogger errorLogger = AreaShop.getInstance().getSignErrorLogger();
-        Material signType = getMaterial();
-        // Place the sign back (with proper rotation and type) after it has been hidden or (indirectly) destroyed
-        if (!Materials.isSign(blockState.getType())) {
-            // Don't do physics here, we first need to update the direction
-            blockState.setType(signType);
-            if (blockData instanceof WallSign) {
-                ((WallSign) blockData).setFacing(getFacing());
-            } else if (blockData instanceof Sign) {
-                ((org.bukkit.block.data.type.Sign) blockData).setRotation(getFacing());
-            }
-            blockState.setBlockData(blockData);
-            blockState.update(false, true);
-            // Check if the sign has popped
-            if (!Materials.isSign(block.getType())) {
-                final String message = String.format("Setting sign of $1%s of region $2%s failed, could not set sign block back", key, getRegion().getName());
-                errorLogger.submitWarning(message);
-                return false;
-            }
-        } else {
-            final String message = "Setting sign $1%s of region $2%s failed, RegionSign material was: $3%s";
-            errorLogger.submitWarning(String.format(message, key, getRegion().getName(), signType.name()));
-        }
+		// Place the sign back (with proper rotation and type) after it has been hidden or (indirectly) destroyed
+		if(!Materials.isSign(block.getType())) {
+			Material signType = getMaterial();
+			if (!blockHelper.canPlace(block.getLocation(), Bukkit.createBlockData(signType))) {
+				errorLogger.submitWarning("Setting sign" +  key +  "of region" + getRegion().getName() +  "failed, could not set sign block back");
+				this.remove();
+				return false;
+			}
+			// Don't do physics here, we first need to update the direction
+			block.setType(signType, false);
 
-        // Save current rotation and type
-        if (!regionConfig.isString("general.signs." + key + ".signType")) {
-            getRegion().setSetting("general.signs." + key + ".signType", block.getType().name());
-        }
-        if (!regionConfig.isString("general.signs." + key + ".facing")) {
-            final BlockFace rotation;
-            if (Materials.isSign(block.getType())) {
-                BlockData data = blockState.getBlockData();
-                if (data instanceof org.bukkit.block.data.type.Sign) {
-                    rotation = ((org.bukkit.block.data.type.Sign) block.getBlockData()).getRotation();
-                } else if (data instanceof WallSign) {
-                    rotation = ((WallSign) data).getFacing();
-                } else {
-                    rotation = null;
-                }
-            } else {
-                rotation = null;
-            }
-            getRegion().setSetting("general.signs." + key + ".facing", rotation == null ? null : rotation.toString());
-        }
+			BlockState blockState = PaperLib.getBlockState(block, false).getState();
+			BlockData blockData = blockState.getBlockData();
 
-        // Apply replacements and color and then set it on the sign
-        Sign signState = (Sign) blockState;
-        for (int i = 0; i < signLines.length; i++) {
-            if (signLines[i] == null) {
-                signState.setLine(i, "");
-                continue;
-            }
-            signLines[i] = Message.fromString(signLines[i]).replacements(getRegion()).getSingle();
-            signLines[i] = Utils.applyColors(signLines[i]);
-            signState.setLine(i, signLines[i]);
-        }
-        // BlockState#update *should* return true here.
-        return blockState.update(true, false);
-    }
+			if(blockData instanceof WallSign) {
+				((WallSign) blockData).setFacing(getFacing());
+			} else if(blockData instanceof org.bukkit.block.data.type.Sign) {
+				((org.bukkit.block.data.type.Sign) blockData).setRotation(getFacing());
+			} else {
+				errorLogger.submitWarning("Failed to update the facing direction of the sign at" + getStringLocation() + "to " + getFacing() + ", region:" + getRegion().getName());
+				return false;
+			}
+			block.setBlockData(blockData);
 
-    /**
-     * Check if the sign needs to update periodically.
-     *
-     * @return true if it needs periodic updates, otherwise false
-     */
-    public boolean needsPeriodicUpdate() {
-        ConfigurationSection signConfig = getProfile();
-        if (signConfig == null || !signConfig.isSet(getRegion().getState().getValue().toLowerCase())) {
-            return false;
-        }
+			// Check if the sign has popped
+			if(!Materials.isSign(block.getType())) {
+				return false;
+			}
+		}
 
-        ConfigurationSection stateConfig = signConfig.getConfigurationSection(getRegion().getState().getValue().toLowerCase());
-        if (stateConfig == null) {
-            return false;
-        }
+		// Save current rotation and type
+		if(!regionConfig.isString("general.signs." + key + ".signType")) {
+			getRegion().setSetting("general.signs." + key + ".signType", block.getType().name());
+		}
+		if(!regionConfig.isString("general.signs." + key + ".facing")) {
+			BlockFace signFacing = SignUtils.getSignFacing(block);
+			getRegion().setSetting("general.signs." + key + ".facing", signFacing == null ? null : signFacing.toString());
+		}
 
-        // Check the lines for the timeleft tag
-        for (int i = 1; i <= 4; i++) {
-            String line = stateConfig.getString("line" + i);
-            if (line != null && !line.isEmpty() && line.contains(Message.VARIABLE_START + AreaShop.tagTimeLeft + Message.VARIABLE_END)) {
-                return true;
-            }
-        }
-        return false;
-    }
+		// Apply replacements and color and then set it on the sign
+		Sign signState = (Sign) PaperLib.getBlockState(block, false).getState();
+		for(int i = 0; i < signLines.length; i++) {
+			if(signLines[i] == null) {
+				signState.setLine(i, "");
+				continue;
+			}
+			signLines[i] = Message.fromString(signLines[i]).replacements(getRegion()).getSingle();
+			signLines[i] = Utils.applyColors(signLines[i]);
+			signState.setLine(i, signLines[i]);
+		}
+		signState.update(false, false);
+		return true;
+	}
 
-    /**
-     * Run commands when a player clicks a sign.
-     *
-     * @param clicker   The player that clicked the sign
-     * @param clickType The type of clicking
-     * @return true if the commands ran successfully, false if any of them failed
-     */
-    public boolean runSignCommands(Player clicker, GeneralRegion.ClickType clickType) {
-        ConfigurationSection signConfig = getProfile();
-        if (signConfig == null) {
-            return false;
-        }
-        ConfigurationSection stateConfig = signConfig.getConfigurationSection(getRegion().getState().getValue().toLowerCase());
+	/**
+	 * Check if the sign needs to update periodically.
+	 * @return true if it needs periodic updates, otherwise false
+	 */
+	public boolean needsPeriodicUpdate() {
+		ConfigurationSection signConfig = getProfile();
+		if(signConfig == null || !signConfig.isSet(getRegion().getState().getValue().toLowerCase())) {
+			return false;
+		}
 
-        // Run player commands if specified
-        List<String> playerCommands = new ArrayList<>();
-        for (String command : stateConfig.getStringList(clickType.getValue() + "Player")) {
-            // TODO move variable checking code to InteractiveMessenger?
-            playerCommands.add(command.replace(Message.VARIABLE_START + AreaShop.tagClicker + Message.VARIABLE_END, clicker.getName()));
-        }
-        getRegion().runCommands(clicker, playerCommands);
+		ConfigurationSection stateConfig = signConfig.getConfigurationSection(getRegion().getState().getValue().toLowerCase());
+		if(stateConfig == null) {
+			return false;
+		}
 
-        // Run console commands if specified
-        List<String> consoleCommands = new ArrayList<>();
-        for (String command : stateConfig.getStringList(clickType.getValue() + "Console")) {
-            consoleCommands.add(command.replace(Message.VARIABLE_START + AreaShop.tagClicker + Message.VARIABLE_END, clicker.getName()));
-        }
-        getRegion().runCommands(Bukkit.getConsoleSender(), consoleCommands);
+		// Check the lines for the timeleft tag
+		for(int i = 1; i <= 4; i++) {
+			String line = stateConfig.getString("line" + i);
+			if(line != null && line.contains(Message.VARIABLE_START + AreaShop.tagTimeLeft + Message.VARIABLE_END)) {
+				return true;
+			}
+		}
+		return false;
+	}
 
-        return !playerCommands.isEmpty() || !consoleCommands.isEmpty();
-    }
+	/**
+	 * Run commands when a player clicks a sign.
+	 * @param clicker   The player that clicked the sign
+	 * @param clickType The type of clicking
+	 * @return true if the commands ran successfully, false if any of them failed
+	 */
+	public boolean runSignCommands(Player clicker, GeneralRegion.ClickType clickType) {
+		ConfigurationSection signConfig = getProfile();
+		if(signConfig == null) {
+			return false;
+		}
+		ConfigurationSection stateConfig = signConfig.getConfigurationSection(getRegion().getState().getValue().toLowerCase());
 
-    @Override
-    public boolean equals(Object object) {
-        return object instanceof RegionSign && ((RegionSign) object).getRegion().equals(this.getRegion()) && ((RegionSign) object).key.equals(this.key);
-    }
+		// Run player commands if specified
+		List<String> playerCommands = new ArrayList<>();
+		for(String command : stateConfig.getStringList(clickType.getValue() + "Player")) {
+			// TODO move variable checking code to InteractiveMessenger?
+			playerCommands.add(command.replace(Message.VARIABLE_START + AreaShop.tagClicker + Message.VARIABLE_END, clicker.getName()));
+		}
+		getRegion().runCommands(clicker, playerCommands);
 
-    @Override
-    public int hashCode() {
-        return Objects.hashCode(key, getRegion().getName());
-    }
+		// Run console commands if specified
+		List<String> consoleCommands = new ArrayList<>();
+		for(String command : stateConfig.getStringList(clickType.getValue() + "Console")) {
+			consoleCommands.add(command.replace(Message.VARIABLE_START + AreaShop.tagClicker + Message.VARIABLE_END, clicker.getName()));
+		}
+		getRegion().runCommands(Bukkit.getConsoleSender(), consoleCommands);
+
+		return !playerCommands.isEmpty() || !consoleCommands.isEmpty();
+	}
+
+	@Override
+	public boolean equals(Object object) {
+		return object instanceof RegionSign && ((RegionSign)object).getRegion().equals(this.getRegion()) && ((RegionSign)object).key.equals(this.key);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hashCode(key, getRegion().getName());
+	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignCache.java

@@ -1,121 +1,81 @@
-package me.wiefferink.areashop.features.signs;
-
-import me.wiefferink.areashop.AreaShop;
-import me.wiefferink.areashop.events.notify.UpdateRegionEvent;
-import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.Chunk;
-import org.bukkit.Location;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
-import org.bukkit.event.HandlerList;
-import org.bukkit.event.Listener;
-import org.bukkit.event.world.ChunkLoadEvent;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-public class SignCache implements Listener {
-
-    private final Map<String, RegionSign> allSigns = new HashMap<>();
-    private final Map<String, List<RegionSign>> signsByChunk = new HashMap<>();
-
-    public void registerListeners() {
-        Bukkit.getPluginManager().registerEvents(this, AreaShop.getInstance());
-    }
-
-    /**
-     * Convert a location to a string to use as map key.
-     *
-     * @param location The location to get the key for
-     * @return A string to use in a map for a location
-     */
-    public static String locationToString(Location location) {
-        return location.getWorld().getName() + ";" + location.getBlockX() + ";" + location.getBlockY() + ";" + location.getBlockZ();
-    }
-
-    /**
-     * Convert a chunk to a string to use as map key.
-     *
-     * @param location The location to get the key for
-     * @return A string to use in a map for a chunk
-     */
-    public static String chunkToString(Location location) {
-        return location.getWorld().getName() + ";" + (location.getBlockX() >> 4) + ";" + (location.getBlockZ() >> 4);
-    }
-
-    /**
-     * Convert a chunk to a string to use as map key.
-     * Use a Location argument to prevent chunk loading!
-     *
-     * @param chunk The location to get the key for
-     * @return A string to use in a map for a chunk
-     */
-    public static String chunkToString(Chunk chunk) {
-        return chunk.getWorld().getName() + ";" + chunk.getX() + ";" + chunk.getZ();
-    }
-
-    /**
-     * Get a sign by a location.
-     *
-     * @param location The location to get the sign for
-     * @return The RegionSign that is at the location, or null if none
-     */
-    public RegionSign getSignByLocation(Location location) {
-        return allSigns.get(locationToString(location));
-    }
-
-    /**
-     * Get the map with all signs.
-     *
-     * @return Map with all signs: locationString -&gt; RegionSign
-     */
-    public Map<String, RegionSign> getAllSigns() {
-        return allSigns;
-    }
-
-    /**
-     * Get the map with signs by chunk.
-     *
-     * @return Map with signs by chunk: chunkString -&gt; List&lt;RegionSign&gt;
-     */
-    public Map<String, List<RegionSign>> getSignsByChunk() {
-        return signsByChunk;
-    }
-
-    public void addSign(RegionSign regionSign) {
-        signsByChunk.computeIfAbsent(regionSign.getStringChunk(), (unused) -> new ArrayList<>()).add(regionSign);
-    }
-
-    public void removeSign(RegionSign regionSign) {
-        final List<RegionSign> signs = signsByChunk.get(regionSign.getStringChunk());
-        if (signs != null) {
-            signs.remove(regionSign);
-        }
-        allSigns.remove(regionSign.getStringLocation());
-    }
-
-    public void shutdown() {
-        HandlerList.unregisterAll(this);
-        signsByChunk.clear();
-        allSigns.clear();
-    }
-
-    @EventHandler
-    public void regionUpdate(UpdateRegionEvent event) {
-        event.getRegion().getSignsFeature().update();
-    }
-
-    @EventHandler(priority = EventPriority.MONITOR)
-    public void onChunkLoad(ChunkLoadEvent event) {
-        List<RegionSign> chunkSigns = signsByChunk.get(chunkToString(event.getChunk()));
-        if (chunkSigns == null) {
-            return;
-        }
-        int batchSize = Math.max(chunkSigns.size() / 10, 10);
-        Utils.runAsBatches(chunkSigns, batchSize, RegionSign::update, false);
-    }
-
-}
+package me.wiefferink.areashop.features.signs;
+
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import io.github.bakedlibs.dough.blocks.ChunkPosition;
+import org.bukkit.Location;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+
+public class SignCache {
+
+    private final Map<Long, RegionSign> allSigns = new HashMap<>();
+    private final Map<Long, Collection<RegionSign>> signsByChunk = new HashMap<>();
+
+    public Optional<RegionSign> signAtLocation(long position) {
+        return Optional.ofNullable(this.allSigns.get(position));
+    }
+
+    public Collection<RegionSign> signsAtChunk(long position) {
+        return Collections.unmodifiableCollection(this.signsByChunk.getOrDefault(position, Collections.emptyList()));
+    }
+
+    public Collection<RegionSign> allSigns() {
+        return Collections.unmodifiableCollection(this.allSigns.values());
+    }
+
+    public Collection<BlockPosition> allSignLocations() {
+        Collection<BlockPosition> positions = new ArrayList<>(this.signsByChunk.size());
+        for (RegionSign sign : this.allSigns.values()) {
+            positions.add(sign.getPosition());
+        }
+        return positions;
+    }
+
+    public void addSign(RegionSign regionSign) {
+        BlockPosition blockPosition = regionSign.getPosition();
+        this.allSigns.put(blockPosition.getPosition(), regionSign);
+        ChunkPosition chunkPosition = new ChunkPosition(blockPosition.getChunk());
+        Collection<RegionSign> signs = this.signsByChunk.computeIfAbsent(chunkPosition.getPosition(), x -> new HashSet<>());
+        signs.add(regionSign);
+    }
+
+    public Optional<RegionSign> removeSign(Location location) {
+        return removeSign(new BlockPosition(location));
+    }
+
+    public Optional<RegionSign> removeSign(BlockPosition position) {
+        RegionSign removed = this.allSigns.remove(position.getPosition());
+        if (removed != null) {
+            Location location = position.toLocation();
+            this.signsByChunk.remove(new ChunkPosition(location).getPosition());
+            // Remove the sign from the region
+        }
+        return Optional.ofNullable(removed);
+    }
+
+    public void removeSign(RegionSign regionSign) {
+        BlockPosition blockPosition = regionSign.getPosition();
+        this.allSigns.remove(blockPosition.getPosition());
+        ChunkPosition chunkPosition = new ChunkPosition(blockPosition.getChunk());
+        long packedChunkPos = chunkPosition.getPosition();
+        Collection<RegionSign> signs = this.signsByChunk.get(packedChunkPos);
+        if (signs != null) {
+            signs.remove(regionSign);
+            if (signs.isEmpty()) {
+                this.signsByChunk.remove(packedChunkPos);
+            }
+        }
+    }
+
+    public void clear() {
+        this.allSigns.clear();
+        this.signsByChunk.clear();
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignFactory.java

@@ -0,0 +1,10 @@
+package me.wiefferink.areashop.features.signs;
+
+
+import javax.annotation.Nonnull;
+
+public interface SignFactory {
+
+    @Nonnull RegionSign createRegionSign(@Nonnull SignsFeature signsFeature, @Nonnull String key);
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignListener.java

@@ -0,0 +1,450 @@
+package me.wiefferink.areashop.features.signs;
+
+import com.sk89q.worldguard.protection.managers.RegionManager;
+import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import io.github.bakedlibs.dough.blocks.ChunkPosition;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.events.ask.AddingRegionEvent;
+import me.wiefferink.areashop.events.notify.UpdateRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.managers.SignLinkerManager;
+import me.wiefferink.areashop.nms.BlockBehaviourHelper;
+import me.wiefferink.areashop.regions.BuyRegion;
+import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
+import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.Materials;
+import me.wiefferink.areashop.tools.SignUtils;
+import me.wiefferink.areashop.tools.Utils;
+import me.wiefferink.bukkitdo.Do;
+import org.bukkit.Chunk;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.block.BlockBreakEvent;
+import org.bukkit.event.block.BlockPhysicsEvent;
+import org.bukkit.event.block.SignChangeEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.world.ChunkLoadEvent;
+
+import javax.annotation.Nonnull;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+
+public class SignListener implements Listener {
+
+    private final BlockBehaviourHelper behaviourHelper;
+    private final AreaShop plugin;
+    private final MessageBridge messageBridge;
+    private final SignManager signManager;
+    private final SignLinkerManager signLinkerManager;
+    private final WorldGuardInterface worldGuardInterface;
+    private final RegionFactory regionFactory;
+    private final IFileManager fileManager;
+
+    public SignListener(
+                        @Nonnull AreaShop plugin,
+                        @Nonnull BlockBehaviourHelper behaviourHelper,
+                        @Nonnull RegionFactory regionFactory,
+                        @Nonnull MessageBridge messageBridge,
+                        @Nonnull SignLinkerManager signLinkerManager,
+                        @Nonnull WorldGuardInterface worldGuardInterface,
+                        @Nonnull SignManager signManager,
+                        @Nonnull IFileManager fileManager) {
+        this.fileManager = fileManager;
+        this.signManager = signManager;
+        this.signLinkerManager = signLinkerManager;
+        this.regionFactory = regionFactory;
+        this.behaviourHelper = behaviourHelper;
+        this.plugin = plugin;
+        this.worldGuardInterface = worldGuardInterface;
+        this.messageBridge = messageBridge;
+    }
+
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.MONITOR)
+    public void regionUpdate(UpdateRegionEvent event) {
+        Optional<SignsFeature> signsFeature = event.getRegion().getFeature(SignsFeature.class);
+        signsFeature.map(SignsFeature::signManager).ifPresent(SignManager::update);
+    }
+
+
+    @EventHandler(priority = EventPriority.MONITOR)
+    public void onChunkLoad(ChunkLoadEvent event) {
+        Chunk chunk = event.getChunk();
+        Optional<SignCache> optional = this.signManager.getCacheForWorld(chunk.getWorld());
+        if (optional.isEmpty()) {
+            return;
+        }
+        final SignCache signCache = optional.get();
+        Collection<RegionSign> chunkSigns = new ArrayList<>(signCache.signsAtChunk(ChunkPosition.getAsLong(chunk.getX(), chunk.getZ())));
+        if(chunkSigns.isEmpty()) {
+            return;
+        }
+        Do.forAll(chunkSigns, RegionSign::update);
+    }
+
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    public void onIndirectSignBreak(BlockPhysicsEvent event) {
+        // Check if the block is a sign
+        if(!Materials.isSign(event.getBlock().getType()) || behaviourHelper.isBlockValid(event.getBlock())) {
+            return;
+        }
+
+        // Check if the sign is really the same as a saved rent
+        final Optional<RegionSign> optionalSign = this.signManager.signFromLocation(event.getBlock().getLocation());
+        if(optionalSign.isEmpty()) {
+            return;
+        }
+        RegionSign regionSign = optionalSign.get();
+
+        // Remove the sign so that it does not fall on the floor as an item (next region update will place it back when possible)
+        AreaShop.debug("onIndirectSignBreak: Removed block of sign for", regionSign.getRegion().getName(), "at", regionSign.getStringLocation());
+        event.getBlock().setType(Material.AIR);
+        event.setCancelled(true);
+    }
+
+
+
+    @EventHandler(priority = EventPriority.HIGH)
+    public void onSignBreak(BlockBreakEvent event) {
+        if(event.isCancelled()) {
+            return;
+        }
+        Block block = event.getBlock();
+        // Check if it is a sign
+        if(Materials.isSign(block.getType())) {
+            // Check if the rent sign is really the same as a saved rent
+            Optional<RegionSign> optional = signManager.signFromLocation(block.getLocation());
+            if(optional.isEmpty()) {
+                return;
+            }
+            RegionSign regionSign = optional.get();
+            // Remove the sign of the rental region if the player has permission
+            if(event.getPlayer().hasPermission("areashop.delsign")) {
+                signManager.removeSign(regionSign);
+                messageBridge.message(event.getPlayer(), "delsign-success", regionSign.getRegion());
+            } else { // Cancel the breaking of the sign
+                event.setCancelled(true);
+                messageBridge.message(event.getPlayer(), "delsign-noPermission", regionSign.getRegion());
+            }
+        }
+    }
+
+    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    public void onSignClick(PlayerInteractEvent event) {
+        Block block = event.getClickedBlock();
+        if (block == null) {
+            return;
+        }
+
+        // Only listen to left and right clicks on blocks
+        if (!(event.getAction() == Action.RIGHT_CLICK_BLOCK || event.getAction() == Action.LEFT_CLICK_BLOCK)) {
+            return;
+        }
+
+        // Only care about clicking blocks
+        if(!Materials.isSign(block.getType())) {
+            return;
+        }
+
+        // Check if this sign belongs to a region
+        Optional<RegionSign> optional = signManager.signFromLocation(block.getLocation());
+        if(optional.isEmpty()) {
+            return;
+        }
+        RegionSign regionSign = optional.get();
+
+        // Ignore players that are in sign link mode (which will handle the event itself)
+        Player player = event.getPlayer();
+        if(signLinkerManager.isInSignLinkMode(player)) {
+            return;
+        }
+
+        // Get the clicktype
+        GeneralRegion.ClickType clickType = null;
+        if(player.isSneaking() && event.getAction() == Action.LEFT_CLICK_BLOCK) {
+            clickType = GeneralRegion.ClickType.SHIFTLEFTCLICK;
+        } else if(!player.isSneaking() && event.getAction() == Action.LEFT_CLICK_BLOCK) {
+            clickType = GeneralRegion.ClickType.LEFTCLICK;
+        } else if(player.isSneaking() && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
+            clickType = GeneralRegion.ClickType.SHIFTRIGHTCLICK;
+        } else if(!player.isSneaking() && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
+            clickType = GeneralRegion.ClickType.RIGHTCLICK;
+        }
+
+        boolean ran = regionSign.runSignCommands(player, clickType);
+
+        // Only cancel event if at least one command has been executed
+        event.setCancelled(ran);
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onSignChange(SignChangeEvent event) {
+        Player player = event.getPlayer();
+        if(!plugin.isReady()) {
+            messageBridge.message(player, "general-notReady");
+            return;
+        }
+        // Check if the sign is meant for this plugin
+        if(event.getLine(0).contains(plugin.getConfig().getString("signTags.rent"))) {
+            if(!player.hasPermission("areashop.createrent") && !player.hasPermission("areashop.createrent.member") && !player.hasPermission("areashop.createrent.owner")) {
+                messageBridge.message(player, "setup-noPermissionRent");
+                return;
+            }
+            // Get the other lines
+            String secondLine = event.getLine(1);
+            String thirdLine = event.getLine(2);
+            String fourthLine = event.getLine(3);
+
+            // Get the regionManager for accessing regions
+            RegionManager regionManager = plugin.getRegionManager(event.getPlayer().getWorld());
+
+            // If the secondLine does not contain a name try to find the region by location
+            if(secondLine == null || secondLine.isEmpty()) {
+                Set<ProtectedRegion> regions = worldGuardInterface.getApplicableRegionsSet(event.getBlock().getLocation());
+                if(regions != null) {
+                    boolean first = true;
+                    ProtectedRegion candidate = null;
+                    for(ProtectedRegion pr : regions) {
+                        if(first) {
+                            candidate = pr;
+                            first = false;
+                        } else {
+                            if(pr.getPriority() > candidate.getPriority()) {
+                                candidate = pr;
+                            } else if(pr.getParent() != null && pr.getParent().equals(candidate)) {
+                                candidate = pr;
+                            } else {
+                                messageBridge.message(player, "setup-couldNotDetect", candidate.getId(), pr.getId());
+                                return;
+                            }
+                        }
+                    }
+                    if(candidate != null) {
+                        secondLine = candidate.getId();
+                    }
+                }
+            }
+
+            boolean priceSet = fourthLine != null && !fourthLine.isEmpty();
+            boolean durationSet = thirdLine != null && !thirdLine.isEmpty();
+            // check if all the lines are correct
+            if(secondLine == null || secondLine.isEmpty()) {
+                messageBridge.message(player, "setup-noRegion");
+                return;
+            }
+            ProtectedRegion region = regionManager.getRegion(secondLine);
+            if(region == null) {
+                messageBridge.message(player, "cmd-noRegion", secondLine);
+                return;
+            }
+
+            IFileManager.AddResult addResult = fileManager.checkRegionAdd(player, regionManager.getRegion(secondLine), event.getPlayer().getWorld(), GeneralRegion.RegionType.RENT);
+            if(addResult == IFileManager.AddResult.BLACKLISTED) {
+                messageBridge.message(player, "setup-blacklisted", secondLine);
+            } else if(addResult == IFileManager.AddResult.ALREADYADDED) {
+                messageBridge.message(player, "setup-alreadyRentSign");
+            } else if(addResult == IFileManager.AddResult.ALREADYADDEDOTHERWORLD) {
+                messageBridge.message(player, "setup-alreadyOtherWorld");
+            } else if(addResult == IFileManager.AddResult.NOPERMISSION) {
+                messageBridge.message(player, "setup-noPermission", secondLine);
+            } else if(thirdLine != null && !thirdLine.isEmpty() && !Utils.checkTimeFormat(thirdLine)) {
+                messageBridge.message(player, "setup-wrongDuration");
+            } else {
+                double price = 0.0;
+                if(priceSet) {
+                    // Check the fourth line
+                    try {
+                        price = Double.parseDouble(fourthLine);
+                    } catch(NumberFormatException e) {
+                        messageBridge.message(player, "setup-wrongPrice");
+                        return;
+                    }
+                }
+
+                // Add rent to the FileManager
+                final RentRegion rent = regionFactory.createRentRegion(secondLine, event.getPlayer().getWorld());
+                boolean isMember = worldGuardInterface.containsMember(rent.getRegion(), player.getUniqueId());
+                boolean isOwner = worldGuardInterface.containsOwner(rent.getRegion(), player.getUniqueId());
+                boolean landlord = (!player.hasPermission("areashop.createrent")
+                        && ((player.hasPermission("areashop.createrent.owner") && isOwner)
+                        || (player.hasPermission("areashop.createrent.member") && isMember)));
+
+                if(landlord) {
+                    rent.setLandlord(player.getUniqueId(), player.getName());
+                }
+                if(priceSet) {
+                    rent.setPrice(price);
+                }
+                if(durationSet) {
+                    rent.setDuration(thirdLine);
+                }
+                rent.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), SignUtils.getSignFacing(event.getBlock()), null);
+
+                AddingRegionEvent addingRegionEvent = plugin.getFileManager().addRegion(rent);
+                if (addingRegionEvent.isCancelled()) {
+                    messageBridge.message(player, "general-cancelled", addingRegionEvent.getReason());
+                    return;
+                }
+
+                rent.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
+                messageBridge.message(player, "setup-rentSuccess", rent);
+                // Update the region after the event has written its lines
+                Do.sync(rent::update);
+            }
+        } else if(event.getLine(0).contains(plugin.getConfig().getString("signTags.buy"))) {
+            // Check for permission
+            if(!player.hasPermission("areashop.createbuy") && !player.hasPermission("areashop.createbuy.member") && !player.hasPermission("areashop.createbuy.owner")) {
+                messageBridge.message(player, "setup-noPermissionBuy");
+                return;
+            }
+
+            // Get the other lines
+            String secondLine = event.getLine(1);
+            String thirdLine = event.getLine(2);
+
+            // Get the regionManager for accessing regions
+            RegionManager regionManager = plugin.getRegionManager(event.getPlayer().getWorld());
+
+            // If the secondLine does not contain a name try to find the region by location
+            if(secondLine == null || secondLine.isEmpty()) {
+                Set<ProtectedRegion> regions = worldGuardInterface.getApplicableRegionsSet(event.getBlock().getLocation());
+                if(regions != null) {
+                    boolean first = true;
+                    ProtectedRegion candidate = null;
+                    for(ProtectedRegion pr : regions) {
+                        if(first) {
+                            candidate = pr;
+                            first = false;
+                        } else {
+                            if(pr.getPriority() > candidate.getPriority()) {
+                                candidate = pr;
+                            } else if(pr.getParent() != null && pr.getParent().equals(candidate)) {
+                                candidate = pr;
+                            } else {
+                                messageBridge.message(player, "setup-couldNotDetect", candidate.getId(), pr.getId());
+                                return;
+                            }
+                        }
+                    }
+                    if(candidate != null) {
+                        secondLine = candidate.getId();
+                    }
+                }
+            }
+
+            boolean priceSet = thirdLine != null && !thirdLine.isEmpty();
+            // Check if all the lines are correct
+            if(secondLine == null || secondLine.isEmpty()) {
+                messageBridge.message(player, "setup-noRegion");
+                return;
+            }
+            ProtectedRegion region = regionManager.getRegion(secondLine);
+            if(region == null) {
+                messageBridge.message(player, "cmd-noRegion", secondLine);
+                return;
+            }
+            IFileManager.AddResult addResult = plugin.getFileManager().checkRegionAdd(player, region, event.getPlayer().getWorld(), GeneralRegion.RegionType.BUY);
+            if(addResult == IFileManager.AddResult.BLACKLISTED) {
+                messageBridge.message(player, "setup-blacklisted", secondLine);
+            } else if(addResult == IFileManager.AddResult.ALREADYADDED) {
+                messageBridge.message(player, "setup-alreadyRentSign");
+            } else if(addResult == IFileManager.AddResult.ALREADYADDEDOTHERWORLD) {
+                messageBridge.message(player, "setup-alreadyOtherWorld");
+            } else if(addResult == IFileManager.AddResult.NOPERMISSION) {
+                messageBridge.message(player, "setup-noPermission", secondLine);
+            } else {
+                double price = 0.0;
+                if(priceSet) {
+                    // Check the fourth line
+                    try {
+                        price = Double.parseDouble(thirdLine);
+                    } catch(NumberFormatException e) {
+                        messageBridge.message(player, "setup-wrongPrice");
+                        return;
+                    }
+                }
+
+                // Add buy to the FileManager
+                final BuyRegion buy = regionFactory.createBuyRegion(secondLine, event.getPlayer().getWorld());
+                boolean isMember = worldGuardInterface.containsMember(buy.getRegion(), player.getUniqueId());
+                boolean isOwner = worldGuardInterface.containsOwner(buy.getRegion(), player.getUniqueId());
+                boolean landlord = (!player.hasPermission("areashop.createbuy")
+                        && ((player.hasPermission("areashop.createbuy.owner") && isOwner)
+                        || (player.hasPermission("areashop.createbuy.member") && isMember)));
+
+                if(landlord) {
+                    buy.setLandlord(player.getUniqueId(), player.getName());
+                }
+                if(priceSet) {
+                    buy.setPrice(price);
+                }
+                buy.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), SignUtils.getSignFacing(event.getBlock()), null);
+
+                AddingRegionEvent addingRegionEvent = plugin.getFileManager().addRegion(buy);
+                if (addingRegionEvent.isCancelled()) {
+                    messageBridge.message(player, "general-cancelled", addingRegionEvent.getReason());
+                    return;
+                }
+
+                buy.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
+                messageBridge.message(player, "setup-buySuccess", buy);
+                // Update the region after the event has written its lines
+                Do.sync(buy::update);
+            }
+        } else if(event.getLine(0).contains(plugin.getConfig().getString("signTags.add"))) {
+            // Check for permission
+            if(!player.hasPermission("areashop.addsign")) {
+                messageBridge.message(player, "addsign-noPermission");
+                return;
+            }
+
+            // Get the other lines
+            String secondLine = event.getLine(1);
+            String thirdLine = event.getLine(2);
+
+            GeneralRegion region;
+            if(secondLine != null && !secondLine.isEmpty()) {
+                // Get region by secondLine of the sign
+                region = fileManager.getRegion(secondLine);
+                if(region == null) {
+                    messageBridge.message(player, "addSign-notRegistered", secondLine);
+                    return;
+                }
+            } else {
+                // Get region by sign position
+                List<GeneralRegion> regions = Utils.getImportantRegions(event.getBlock().getLocation());
+                if(regions.isEmpty()) {
+                    messageBridge.message(player, "addsign-noRegions");
+                    return;
+                } else if(regions.size() > 1) {
+                    messageBridge.message(player, "addsign-couldNotDetectSign", regions.get(0).getName(), regions.get(1).getName());
+                    return;
+                }
+                region = regions.get(0);
+            }
+
+            if(thirdLine == null || thirdLine.isEmpty()) {
+                region.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), SignUtils.getSignFacing(event.getBlock()), null);
+                messageBridge.message(player, "addsign-success", region);
+            } else {
+                region.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), SignUtils.getSignFacing(event.getBlock()), thirdLine);
+                messageBridge.message(player, "addsign-successProfile", thirdLine, region);
+            }
+
+            // Update the region later because this event will do it first
+            Do.sync(region::update);
+        }
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignManager.java

@@ -0,0 +1,110 @@
+package me.wiefferink.areashop.features.signs;
+
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.managers.Manager;
+import org.bukkit.Location;
+import org.bukkit.World;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+public class SignManager extends Manager {
+
+    private final Map<World, SignCache> signCacheMap = new HashMap<>();
+
+    public Collection<BlockPosition> allSignLocations() {
+        final Set<BlockPosition> set = new HashSet<>(signCacheMap.size());
+        for (SignCache signCache : signCacheMap.values()) {
+            set.addAll(signCache.allSignLocations());
+        }
+        return set;
+    }
+
+    public Collection<RegionSign> allSigns() {
+        final Set<RegionSign> signs = new HashSet<>(signCacheMap.size());
+        for (SignCache signCache : signCacheMap.values()) {
+            signs.addAll(signCache.allSigns());
+        }
+        return signs;
+    }
+
+    public SignCache cacheForWorld(World world) {
+        return this.signCacheMap.computeIfAbsent(world, x -> new SignCache());
+    }
+
+    public Optional<SignCache> getCacheForWorld(World world) {
+        return Optional.ofNullable(this.signCacheMap.get(world));
+    }
+
+    public Optional<RegionSign> signFromLocation(Location location) {
+        final World world = location.getWorld();
+        return getCacheForWorld(world)
+                .flatMap(cache -> cache.signAtLocation(BlockPosition.getAsLong(location)));
+    }
+
+    public void addSign(RegionSign regionSign) {
+        Location location = regionSign.getLocation();
+        cacheForWorld(location.getWorld()).addSign(regionSign);
+    }
+
+    public void removeSign(RegionSign regionSign) {
+        Location location = regionSign.getLocation();
+        if (location.getWorld() == null) {
+            return;
+        }
+        cacheForWorld(location.getWorld()).removeSign(regionSign);
+    }
+
+    public Optional<RegionSign> removeSign(Location location) {
+        if (location == null || location.getWorld() == null) {
+            return Optional.empty();
+        }
+        return getCacheForWorld(location.getWorld()).flatMap(cache -> cache.removeSign(location));
+    }
+
+    /**
+     * Update all signs connected to this region.
+     * @return true if all signs are updated correctly, false if one or more updates failed
+     */
+    public boolean update() {
+        boolean result = true;
+        for (SignCache signCache : this.signCacheMap.values())
+        for(RegionSign sign : signCache.allSigns()) {
+            result &= sign.update();
+        }
+        return result;
+    }
+
+    /**
+     * Check if any of the signs need periodic updating.
+     * @return true if one or more of the signs need periodic updating, otherwise false
+     */
+    public boolean needsPeriodicUpdate() {
+        boolean result = false;
+        for (SignCache signCache : this.signCacheMap.values()) {
+            for (RegionSign sign : signCache.allSigns()) {
+                if (result) {
+                    break;
+                }
+                if (sign.needsPeriodicUpdate()) {
+                    result = true;
+                    break;
+                }
+            }
+        }
+        return result;
+    }
+
+
+    public void shutdown() {
+        update();
+        this.signCacheMap.values().forEach(SignCache::clear);
+        this.signCacheMap.clear();
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignsFeature.java

@@ -1,634 +1,108 @@
 package me.wiefferink.areashop.features.signs;
 
-import com.sk89q.worldguard.protection.managers.RegionManager;
-import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import io.github.bakedlibs.dough.blocks.ChunkPosition;
 import me.wiefferink.areashop.AreaShop;
-import me.wiefferink.areashop.events.ask.AddingRegionEvent;
 import me.wiefferink.areashop.features.RegionFeature;
-import me.wiefferink.areashop.interfaces.BlockBehaviourHelper;
-import me.wiefferink.areashop.managers.FileManager;
-import me.wiefferink.areashop.managers.SignErrorLogger;
-import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
-import me.wiefferink.areashop.regions.RentRegion;
-import me.wiefferink.areashop.tools.Materials;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.Chunk;
 import org.bukkit.Location;
 import org.bukkit.Material;
-import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
-import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.type.Sign;
-import org.bukkit.block.data.type.WallSign;
 import org.bukkit.configuration.ConfigurationSection;
-import org.bukkit.configuration.file.YamlConfiguration;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
-import org.bukkit.event.block.Action;
-import org.bukkit.event.block.BlockBreakEvent;
-import org.bukkit.event.block.BlockPhysicsEvent;
-import org.bukkit.event.block.SignChangeEvent;
-import org.bukkit.event.player.PlayerInteractEvent;
 
-import java.util.*;
+import javax.annotation.Nonnull;
+import java.util.HashMap;
+import java.util.Map;
 
 public class SignsFeature extends RegionFeature {
 
-    public static final SignCache signCache = new SignCache();
+	private final SignManager internalSignManager = new SignManager();
+	private final SignManager globalSignManager;
+	private final SignFactory signFactory;
+	/**
+	 * Constructor.
+	 * @param region The region to bind to
+	 */
+	@AssistedInject
+	SignsFeature(@Nonnull AreaShop plugin,
+						@Nonnull SignManager signManager,
+						@Nonnull SignFactory signFactory,
+						@Assisted @Nonnull GeneralRegion region
+	) {
+		super(plugin);
+		this.globalSignManager = signManager;
+		this.signFactory = signFactory;
+		setRegion(region);
+		// Setup current signs
+		ConfigurationSection signSection = region.getConfig().getConfigurationSection("general.signs");
+		if (signSection == null) {
+			return;
+		}
+		for(String signKey : signSection.getKeys(false)) {
+			RegionSign sign = signFactory.createRegionSign(this, signKey);
+			Location location = sign.getLocation();
+			if(location == null) {
+				AreaShop.warn("Sign with key " + signKey + " of region " + region.getName() + " does not have a proper location");
+				continue;
+			}
+			this.globalSignManager.cacheForWorld(location.getWorld()).addSign(sign);
+			this.internalSignManager.addSign(sign);
+		}
+	}
 
-    private static final BlockBehaviourHelper behaviourHelper = AreaShop.getInstance().getNMSHelper().behaviourHelper();
+	/**
+	 * Convert a location to a string to use as map key.
+	 * @param location The location to get the key for
+	 * @return A string to use in a map for a location
+	 */
+	public static String locationToString(Location location) {
+		return location.getWorld().getName() + ";" + location.getBlockX() + ";" + location.getBlockY() + ";" + location.getBlockZ();
+	}
 
-    static {
-        signCache.registerListeners();
-    }
+	/**
+	 * Convert a chunk to a string to use as map key.
+	 * @param location The location to get the key for
+	 * @return A string to use in a map for a chunk
+	 */
+	public static String chunkToString(Location location) {
+		return location.getWorld().getName() + ";" + (location.getBlockX() >> 4) + ";" + (location.getBlockZ() >> 4);
+	}
 
-    public static void shutdownGlobalState() {
-        signCache.shutdown();
-    }
+	@Override
+	public void shutdown() {
 
-    private Map<String, RegionSign> signs;
+	}
 
-    public SignsFeature() {
+	public SignManager signManager() {
+		return this.internalSignManager;
+	}
 
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param region The region to bind to
-     */
-    public SignsFeature(GeneralRegion region) {
-        setRegion(region);
-        signs = new HashMap<>();
-        // Setup current signs
-        ConfigurationSection signSection = region.getConfig().getConfigurationSection("general.signs");
-        SignErrorLogger errorLogger = AreaShop.getInstance().getSignErrorLogger();
-        if (signSection != null) {
-            for (String signKey : signSection.getKeys(false)) {
-                RegionSign sign = new RegionSign(this, signKey);
-                Location location = sign.getLocation();
-                if (location == null) {
-                    final String message = "Sign with key $1%s of region $2%s does not have a proper location";
-                    errorLogger.submitWarning(String.format(message, signKey,  region.getName()));
-                    continue;
-                }
-                signs.put(sign.getStringLocation(), sign);
-                signCache.addSign(sign);
-            }
-        }
-    }
-
-    /**
-     * Convert a location to a string to use as map key.
-     *
-     * @param location The location to get the key for
-     * @return A string to use in a map for a location
-     */
-    public static String locationToString(Location location) {
-        return location.getWorld().getName() + ";" + location.getBlockX() + ";" + location.getBlockY() + ";" + location.getBlockZ();
-    }
-
-    /**
-     * Convert a chunk to a string to use as map key.
-     *
-     * @param location The location to get the key for
-     * @return A string to use in a map for a chunk
-     */
-    public static String chunkToString(Location location) {
-        return location.getWorld().getName() + ";" + (location.getBlockX() >> 4) + ";" + (location.getBlockZ() >> 4);
-    }
-
-    /**
-     * Convert a chunk to a string to use as map key.
-     * Use a Location argument to prevent chunk loading!
-     *
-     * @param chunk The location to get the key for
-     * @return A string to use in a map for a chunk
-     */
-    public static String chunkToString(Chunk chunk) {
-        return chunk.getWorld().getName() + ";" + chunk.getX() + ";" + chunk.getZ();
-    }
-
-    /**
-     * Get a sign by a location.
-     *
-     * @param location The location to get the sign for
-     * @return The RegionSign that is at the location, or null if none
-     */
-    public static RegionSign getSignByLocation(Location location) {
-        return signCache.getSignByLocation(location);
-    }
-
-    /**
-     * Get the map with all signs.
-     *
-     * @return Map with all signs: locationString -&gt; RegionSign
-     */
-    public static Map<String, RegionSign> getAllSigns() {
-        return signCache.getAllSigns();
-    }
-
-    /**
-     * Get the map with signs by chunk.
-     *
-     * @return Map with signs by chunk: chunkString -&gt; List&lt;RegionSign&gt;
-     */
-    public static Map<String, List<RegionSign>> getSignsByChunk() {
-        return signCache.getSignsByChunk();
-    }
-
-    @Override
-    public void shutdown() {
-        // Deregister signs from the registry
-        if (signs != null) {
-            for (Map.Entry<String, RegionSign> entry : signs.entrySet()) {
-                signCache.removeSign(entry.getValue());
-            }
-        }
-    }
-
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
-    public void onSignBreak(BlockBreakEvent event) {
-        Block block = event.getBlock();
-        RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-        if (regionSign == null) {
-            return;
-        }
-        if (regionSign.getRegion().invalidated()) {
-            AreaShop.warn("SignsFeature: Sign feature for an invalidated region is still active!");
-        }
-        // Check if it is a sign
-        if (Materials.isSign(block.getType())) {
-            // Check if the rent sign is really the same as a saved rent
-            if (regionSign.getRegion().invalidated()) {
-                AreaShop.warn("SignsFeature: Sign feature for an invalidated region object is still active!");
-            }
-            // Remove the sign of the rental region if the player has permission
-            if (event.getPlayer().hasPermission("areashop.delsign")) {
-                regionSign.remove();
-                plugin.message(event.getPlayer(), "delsign-success", regionSign.getRegion());
-            } else { // Cancel the breaking of the sign
-                event.setCancelled(true);
-                plugin.message(event.getPlayer(), "delsign-noPermission", regionSign.getRegion());
-            }
-        }
-    }
-
-    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
-    public void onIndirectSignBreak(BlockPhysicsEvent event) {
-        final Block block = event.getBlock();
-
-        // Check if the sign is really the same as a saved rent
-        RegionSign regionSign = SignsFeature.getSignByLocation(event.getBlock().getLocation());
-        if (regionSign == null) {
-            return;
-        }
-
-        if (regionSign.getRegion().invalidated()) {
-            AreaShop.warn("SignsFeature: Sign feature for an invalidated region is still active!");
-        }
-        // Check if the block is a sign
-        if (!Materials.isSign(event.getBlock().getType())) {
-            return;
-        }
-        // If the block is in an invalid position then we remove the sign
-        if (!behaviourHelper.isBlockValid(block)) {
-            regionSign.remove();
-        }
-
-        // Remove the sign so that it does not fall on the floor as an item (next region update will place it back when possible)
-        AreaShop.debug("onIndirectSignBreak: Removed block of sign for", regionSign.getRegion().getName(), "at", regionSign.getStringLocation());
-        event.getBlock().setType(Material.AIR);
-        event.setCancelled(true);
-    }
-
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
-    public void onSignClick(PlayerInteractEvent event) {
-        Block block = event.getClickedBlock();
-        if (block == null) {
-            return;
-        }
-        // Check if this sign belongs to a region
-        RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-        if (regionSign == null) {
-            return;
-        }
-
-        if (regionSign.getRegion().invalidated()) {
-            AreaShop.warn("SignsFeature: Sign feature for an invalidated region is still active!");
-        }
-
-        // Only listen to left and right clicks on blocks
-        if (!(event.getAction() == Action.RIGHT_CLICK_BLOCK || event.getAction() == Action.LEFT_CLICK_BLOCK)) {
-            return;
-        }
-
-        // Only care about clicking blocks
-        if (!Materials.isSign(block.getType())) {
-            return;
-        }
-
-
-        // Ignore players that are in sign link mode (which will handle the event itself)
-        Player player = event.getPlayer();
-        if (plugin.getSignlinkerManager().isInSignLinkMode(player)) {
-            return;
-        }
-
-        // Get the clicktype
-        GeneralRegion.ClickType clickType = null;
-        if (player.isSneaking() && event.getAction() == Action.LEFT_CLICK_BLOCK) {
-            clickType = GeneralRegion.ClickType.SHIFTLEFTCLICK;
-        } else if (!player.isSneaking() && event.getAction() == Action.LEFT_CLICK_BLOCK) {
-            clickType = GeneralRegion.ClickType.LEFTCLICK;
-        } else if (player.isSneaking() && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
-            clickType = GeneralRegion.ClickType.SHIFTRIGHTCLICK;
-        } else if (!player.isSneaking() && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
-            clickType = GeneralRegion.ClickType.RIGHTCLICK;
-        }
-
-        boolean ran = regionSign.runSignCommands(player, clickType);
-
-        // Only cancel event if at least one command has been executed
-        event.setCancelled(ran);
-    }
-
-    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
-    public void onSignChange(SignChangeEvent event) {
-
-        RegionSign regionSign = SignsFeature.getSignByLocation(event.getBlock().getLocation());
-        if (regionSign == null) {
-            return;
-        }
-
-        if (regionSign.getRegion().invalidated()) {
-            AreaShop.warn("SignsFeature: Sign feature for an invalidated region is still active!");
-        }
-        Player player = event.getPlayer();
-        if (!plugin.isReady()) {
-            plugin.message(player, "general-notReady");
-            return;
-        }
-
-        final BlockFace rotation;
-        final BlockData data = event.getBlock().getBlockData();
-        if (data instanceof Sign) {
-            rotation = ((Sign) data).getRotation();
-        } else if (data instanceof WallSign) {
-            rotation = ((WallSign) data).getFacing();
-        } else {
-            rotation = null;
-        }
-
-        final String line0 = event.getLine(0) == null ? "" : event.getLine(0);
-
-        // Check if the sign is meant for this plugin
-        if (line0.contains(plugin.getConfig().getString("signTags.rent"))) {
-            if (!player.hasPermission("areashop.createrent") && !player.hasPermission("areashop.createrent.member") && !player.hasPermission("areashop.createrent.owner")) {
-                plugin.message(player, "setup-noPermissionRent");
-                return;
-            }
-
-            // Get the other lines
-            String secondLine = event.getLine(1);
-            String thirdLine = event.getLine(2);
-            String fourthLine = event.getLine(3);
-
-            // Get the regionManager for accessing regions
-            RegionManager regionManager = plugin.getRegionManager(event.getPlayer().getWorld());
-
-            // If the secondLine does not contain a name try to find the region by location
-            if (secondLine == null || secondLine.isEmpty()) {
-                Set<ProtectedRegion> regions = plugin.getWorldGuardHandler().getApplicableRegionsSet(event.getBlock().getLocation());
-                if (regions != null) {
-                    boolean first = true;
-                    ProtectedRegion candidate = null;
-                    for (ProtectedRegion pr : regions) {
-                        if (first) {
-                            candidate = pr;
-                            first = false;
-                        } else {
-                            if (pr.getPriority() > candidate.getPriority()) {
-                                candidate = pr;
-                            } else if (pr.getParent() != null && pr.getParent().equals(candidate)) {
-                                candidate = pr;
-                            } else {
-                                plugin.message(player, "setup-couldNotDetect", candidate.getId(), pr.getId());
-                                return;
-                            }
-                        }
-                    }
-                    if (candidate != null) {
-                        secondLine = candidate.getId();
-                    }
-                }
-            }
-
-            boolean priceSet = fourthLine != null && !fourthLine.isEmpty();
-            boolean durationSet = thirdLine != null && !thirdLine.isEmpty();
-            // check if all the lines are correct
-            if (secondLine == null || secondLine.isEmpty()) {
-                plugin.message(player, "setup-noRegion");
-                return;
-            }
-            ProtectedRegion region = regionManager.getRegion(secondLine);
-            if (region == null) {
-                plugin.message(player, "cmd-noRegion", secondLine);
-                return;
-            }
-
-            FileManager.AddResult addResult = plugin.getFileManager().checkRegionAdd(player, regionManager.getRegion(secondLine), event.getPlayer().getWorld(), GeneralRegion.RegionType.RENT);
-
-            switch (addResult) {
-                case BLACKLISTED:
-                    plugin.message(player, "setup-blacklisted", secondLine);
-                    break;
-                case ALREADYADDED:
-                    plugin.message(player, "setup-alreadyRentSign");
-                    break;
-                case ALREADYADDEDOTHERWORLD:
-                    plugin.message(player, "setup-alreadyOtherWorld");
-                    break;
-                case NOPERMISSION:
-                    plugin.message(player, "setup-noPermission", secondLine);
-                    break;
-                default:
-                    if (thirdLine != null && !thirdLine.isEmpty() && !Utils.checkTimeFormat(thirdLine)) {
-                        plugin.message(player, "setup-wrongDuration");
-                        break;
-                    }
-                    double price = 0.0;
-                    if (priceSet) {
-                        // Check the fourth line
-                        try {
-                            price = Double.parseDouble(fourthLine);
-                        } catch (NumberFormatException e) {
-                            plugin.message(player, "setup-wrongPrice");
-                            return;
-                        }
-                    }
-
-                    // Add rent to the FileManager
-                    final RentRegion rent = new RentRegion(secondLine, event.getPlayer().getWorld());
-                    boolean isMember = plugin.getWorldGuardHandler().containsMember(rent.getRegion(), player.getUniqueId());
-                    boolean isOwner = plugin.getWorldGuardHandler().containsOwner(rent.getRegion(), player.getUniqueId());
-                    boolean landlord = (!player.hasPermission("areashop.createrent")
-                            && ((player.hasPermission("areashop.createrent.owner") && isOwner)
-                            || (player.hasPermission("areashop.createrent.member") && isMember)));
-
-                    if (landlord) {
-                        rent.setLandlord(player.getUniqueId(), player.getName());
-                    }
-                    if (priceSet) {
-                        rent.setPrice(price);
-                    }
-                    if (durationSet) {
-                        rent.setDuration(thirdLine);
-                    }
-                    rent.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), rotation, null);
-
-                    AddingRegionEvent addingRegionEvent = plugin.getFileManager().addRegion(rent);
-                    if (addingRegionEvent.isCancelled()) {
-                        plugin.message(player, "general-cancelled", addingRegionEvent.getReason());
-                        return;
-                    }
-
-                    rent.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
-                    plugin.message(player, "setup-rentSuccess", rent);
-                    // Update the region after the event has written its lines
-                    Bukkit.getScheduler().runTask(plugin, rent::update);
-
-            }
-        } else if (line0.contains(plugin.getConfig().getString("signTags.buy"))) {
-            // Check for permission
-            if (!player.hasPermission("areashop.createbuy") && !player.hasPermission("areashop.createbuy.member") && !player.hasPermission("areashop.createbuy.owner")) {
-                plugin.message(player, "setup-noPermissionBuy");
-                return;
-            }
-
-            // Get the other lines
-            String secondLine = event.getLine(1);
-            String thirdLine = event.getLine(2);
-
-            // Get the regionManager for accessing regions
-            RegionManager regionManager = plugin.getRegionManager(event.getPlayer().getWorld());
-
-            // If the secondLine does not contain a name try to find the region by location
-            if (secondLine == null || secondLine.isEmpty()) {
-                Set<ProtectedRegion> regions = plugin.getWorldGuardHandler().getApplicableRegionsSet(event.getBlock().getLocation());
-                if (regions != null) {
-                    boolean first = true;
-                    ProtectedRegion candidate = null;
-                    for (ProtectedRegion pr : regions) {
-                        if (first) {
-                            candidate = pr;
-                            first = false;
-                        } else {
-                            if (pr.getPriority() > candidate.getPriority()) {
-                                candidate = pr;
-                            } else if (pr.getParent() != null && pr.getParent().equals(candidate)) {
-                                candidate = pr;
-                            } else {
-                                plugin.message(player, "setup-couldNotDetect", candidate.getId(), pr.getId());
-                                return;
-                            }
-                        }
-                    }
-                    if (candidate != null) {
-                        secondLine = candidate.getId();
-                    }
-                }
-            }
-
-            boolean priceSet = thirdLine != null && !thirdLine.isEmpty();
-            // Check if all the lines are correct
-            if (secondLine == null || secondLine.isEmpty()) {
-                plugin.message(player, "setup-noRegion");
-                return;
-            }
-            ProtectedRegion region = regionManager.getRegion(secondLine);
-            if (region == null) {
-                plugin.message(player, "cmd-noRegion", secondLine);
-                return;
-            }
-            FileManager.AddResult addResult = plugin.getFileManager().checkRegionAdd(player, region, event.getPlayer().getWorld(), GeneralRegion.RegionType.BUY);
-            if (addResult == FileManager.AddResult.BLACKLISTED) {
-                plugin.message(player, "setup-blacklisted", secondLine);
-            } else if (addResult == FileManager.AddResult.ALREADYADDED) {
-                plugin.message(player, "setup-alreadyRentSign");
-            } else if (addResult == FileManager.AddResult.ALREADYADDEDOTHERWORLD) {
-                plugin.message(player, "setup-alreadyOtherWorld");
-            } else if (addResult == FileManager.AddResult.NOPERMISSION) {
-                plugin.message(player, "setup-noPermission", secondLine);
-            } else {
-                double price = 0.0;
-                if (priceSet) {
-                    // Check the fourth line
-                    try {
-                        price = Double.parseDouble(thirdLine);
-                    } catch (NumberFormatException e) {
-                        plugin.message(player, "setup-wrongPrice");
-                        return;
-                    }
-                }
-
-                // Add buy to the FileManager
-                final BuyRegion buy = new BuyRegion(secondLine, event.getPlayer().getWorld());
-                boolean isMember = plugin.getWorldGuardHandler().containsMember(buy.getRegion(), player.getUniqueId());
-                boolean isOwner = plugin.getWorldGuardHandler().containsOwner(buy.getRegion(), player.getUniqueId());
-                boolean landlord = (!player.hasPermission("areashop.createbuy")
-                        && ((player.hasPermission("areashop.createbuy.owner") && isOwner)
-                        || (player.hasPermission("areashop.createbuy.member") && isMember)));
-
-                if (landlord) {
-                    buy.setLandlord(player.getUniqueId(), player.getName());
-                }
-                if (priceSet) {
-                    buy.setPrice(price);
-                }
-                buy.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), rotation, null);
-
-                AddingRegionEvent addingRegionEvent = plugin.getFileManager().addRegion(buy);
-                if (addingRegionEvent.isCancelled()) {
-                    plugin.message(player, "general-cancelled", addingRegionEvent.getReason());
-                    return;
-                }
-
-                buy.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
-                plugin.message(player, "setup-buySuccess", buy);
-                // Update the region after the event has written its lines
-                Bukkit.getScheduler().runTask(plugin, buy::update);
-            }
-        } else if (event.getLine(0).contains(plugin.getConfig().getString("signTags.add"))) {
-            // Check for permission
-            if (!player.hasPermission("areashop.addsign")) {
-                plugin.message(player, "addsign-noPermission");
-                return;
-            }
-
-            // Get the other lines
-            String secondLine = event.getLine(1);
-            String thirdLine = event.getLine(2);
-
-            GeneralRegion region;
-            if (secondLine != null && !secondLine.isEmpty()) {
-                // Get region by secondLine of the sign
-                region = plugin.getFileManager().getRegion(secondLine);
-                if (region == null) {
-                    plugin.message(player, "addSign-notRegistered", secondLine);
-                    return;
-                }
-            } else {
-                // Get region by sign position
-                List<GeneralRegion> regions = Utils.getImportantRegions(event.getBlock().getLocation());
-                if (regions.isEmpty()) {
-                    plugin.message(player, "addsign-noRegions");
-                    return;
-                } else if (regions.size() > 1) {
-                    plugin.message(player, "addsign-couldNotDetectSign", regions.get(0).getName(), regions.get(1).getName());
-                    return;
-                }
-                region = regions.get(0);
-            }
-            String profile = thirdLine == null || thirdLine.isEmpty() ? null : thirdLine;
-            region.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), rotation, profile);
-            if (profile == null) {
-                plugin.message(player, "addsign-success", region);
-            } else {
-                plugin.message(player, "addsign-successProfile", thirdLine, region);
-            }
-
-            // Update the region later because this event will do it first
-            Bukkit.getScheduler().runTask(plugin, region::update);
-        }
-    }
-
-    /**
-     * Update all signs connected to this region.
-     *
-     * @return true if all signs are updated correctly, false if one or more updates failed
-     */
-    public boolean update() {
-        boolean result = true;
-        for (RegionSign sign : signs.values()) {
-            result &= sign.update();
-        }
-        return result;
-    }
-
-    /**
-     * Check if any of the signs need periodic updating.
-     *
-     * @return true if one or more of the signs need periodic updating, otherwise false
-     */
-    public boolean needsPeriodicUpdate() {
-        for (RegionSign sign : signs.values()) {
-            if (sign.needsPeriodicUpdate()) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Get the signs of this region.
-     *
-     * @return List of signs
-     */
-    public List<RegionSign> getSigns() {
-        return new ArrayList<>(signs.values());
-    }
-
-    /**
-     * Get the signs of this region.
-     *
-     * @return Map with signs: locationString -&gt; RegionSign
-     */
-    Map<String, RegionSign> getSignsRef() {
-        return signs;
-    }
-
-    /**
-     * Get a list with all sign locations.
-     *
-     * @return A List with all sign locations
-     */
-    public List<Location> getSignLocations() {
-        List<Location> result = new ArrayList<>(signs.size());
-        for (RegionSign sign : signs.values()) {
-            result.add(sign.getLocation());
-        }
-        return result;
-    }
-
-    /**
-     * Add a sign to this region.
-     *
-     * @param location The location of the sign
-     * @param signType The type of the sign (WALL_SIGN or SIGN_POST)
-     * @param facing   The orientation of the sign
-     * @param profile  The profile to use with this sign (null for default)
-     */
-    public void addSign(Location location, Material signType, BlockFace facing, String profile) {
-        int i = 0;
-        final YamlConfiguration configuration = getRegion().getConfig();
-        while (configuration.isSet("general.signs." + i)) {
-            i++;
-        }
-        String signPath = "general.signs." + i + ".";
-        getRegion().setSetting(signPath + "location", Utils.locationToConfig(location));
-        getRegion().setSetting(signPath + "facing", facing != null ? facing.name() : null);
-        getRegion().setSetting(signPath + "signType", signType != null ? signType.name() : null);
-        if (profile != null && !profile.isEmpty()) {
-            getRegion().setSetting(signPath + "profile", profile);
-        }
-        // Add to the map
-        RegionSign sign = new RegionSign(this, i + "");
-        signs.put(sign.getStringLocation(), sign);
-        signCache.addSign(sign);
-    }
+	/**
+	 * Add a sign to this region.
+	 * @param location The location of the sign
+	 * @param signType The type of the sign (WALL_SIGN or SIGN_POST)
+	 * @param facing   The orientation of the sign
+	 * @param profile  The profile to use with this sign (null for default)
+	 */
+	public void addSign(Location location, Material signType, BlockFace facing, String profile) {
+		int i = 0;
+		while(getRegion().getConfig().isSet("general.signs." + i)) {
+			i++;
+		}
+		String signPath = "general.signs." + i + ".";
+		getRegion().setSetting(signPath + "location", Utils.locationToConfig(location));
+		getRegion().setSetting(signPath + "facing", facing != null ? facing.name() : null);
+		getRegion().setSetting(signPath + "signType", signType != null ? signType.name() : null);
+		if(profile != null && !profile.isEmpty()) {
+			getRegion().setSetting(signPath + "profile", profile);
+		}
+		// Add to the map
+		RegionSign regionSign = this.signFactory.createRegionSign(this, String.valueOf(i));
+		this.globalSignManager.addSign(regionSign);
+		this.internalSignManager.addSign(regionSign);
+	}
 
 }

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignsModule.java

@@ -0,0 +1,50 @@
+package me.wiefferink.areashop.features.signs;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Provides;
+import com.google.inject.Singleton;
+import com.google.inject.assistedinject.FactoryModuleBuilder;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.managers.SignLinkerManager;
+import me.wiefferink.areashop.nms.BlockBehaviourHelper;
+import me.wiefferink.areashop.regions.RegionFactory;
+
+import javax.annotation.Nonnull;
+
+public class SignsModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        bind(SignManager.class).asEagerSingleton();
+        install(new FactoryModuleBuilder().build(SignFactory.class));
+    }
+
+    @Provides
+    @Singleton
+    public SignListener provideSignListener(@Nonnull AreaShop plugin,
+                                            @Nonnull BlockBehaviourHelper behaviourHelper,
+                                            @Nonnull RegionFactory regionFactory,
+                                            @Nonnull MessageBridge messageBridge,
+                                            @Nonnull SignLinkerManager signLinkerManager,
+                                            @Nonnull WorldGuardInterface worldGuardInterface,
+                                            @Nonnull SignManager signManager,
+                                            @Nonnull IFileManager fileManager
+    ) {
+        final SignListener signListener = new SignListener(
+                plugin,
+                behaviourHelper,
+                regionFactory,
+                messageBridge,
+                signLinkerManager,
+                worldGuardInterface,
+                signManager,
+                fileManager
+        );
+        plugin.getServer().getPluginManager().registerEvents(signListener, plugin);
+        return signListener;
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/listeners/PlayerLoginLogoutListener.java

@@ -1,10 +1,12 @@
 package me.wiefferink.areashop.listeners;
 
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
+import me.wiefferink.bukkitdo.Do;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -14,6 +16,7 @@ import org.bukkit.event.player.PlayerLoginEvent;
 import org.bukkit.event.player.PlayerLoginEvent.Result;
 import org.bukkit.event.player.PlayerQuitEvent;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -21,109 +24,115 @@ import java.util.List;
  * Notify region expiry and track activity time.
  */
 public final class PlayerLoginLogoutListener implements Listener {
-    private final AreaShop plugin;
 
-    /**
-     * Constructor.
-     *
-     * @param plugin The AreaShop plugin
-     */
-    public PlayerLoginLogoutListener(AreaShop plugin) {
-        this.plugin = plugin;
-    }
+	private final AreaShop plugin;
+	private final MessageBridge messageBridge;
 
-    /**
-     * Called when a sign is changed.
-     *
-     * @param event The event
-     */
-    @EventHandler(priority = EventPriority.MONITOR)
-    public void onPlayerLogin(PlayerLoginEvent event) {
-        if (event.getResult() != Result.ALLOWED) {
-            return;
-        }
-        final Player player = event.getPlayer();
+	/**
+	 * Constructor.
+	 * @param plugin The AreaShop plugin
+	 */
+	public PlayerLoginLogoutListener(@Nonnull AreaShop plugin, @Nonnull MessageBridge messageBridge) {
+		this.plugin = plugin;
+		this.messageBridge = messageBridge;
+	}
 
-        // Schedule task to check for notifications, prevents a lag spike at login
-        Utils.runCancellingTaskTimer(() -> {
-            // Delay until all regions are loaded
-            if (!plugin.isReady()) {
-                return true;
-            }
-            if (!player.isOnline()) {
-                return false;
-            }
-            // Notify for rents that almost run out
-            for (RentRegion region : plugin.getFileManager().getRents()) {
-                if (region.isRenter(player)) {
-                    String warningSetting = region.getStringSetting("rent.warningOnLoginTime");
-                    if (warningSetting == null || warningSetting.isEmpty()) {
-                        continue;
-                    }
-                    long warningTime = Utils.durationStringToLong(warningSetting);
-                    if (region.getTimeLeft() < warningTime) {
-                        // Send the warning message later to let it appear after general MOTD messages
-                        AreaShop.getInstance().message(player, "rent-expireWarning", region);
-                    }
-                }
-            }
+	/**
+	 * Called when a sign is changed.
+	 * @param event The event
+	 */
+	@EventHandler(priority = EventPriority.MONITOR)
+	public void onPlayerLogin(PlayerLoginEvent event) {
+		if(event.getResult() != Result.ALLOWED) {
+			return;
+		}
+		final Player player = event.getPlayer();
 
-            // Notify admins for plugin updates
-            AreaShop.getInstance().notifyUpdate(player);
-            return false;
-        }, 25, 25, false);
+		// Schedule task to check for notifications, prevents a lag spike at login
+		Do.syncTimerLater(25, 25, () -> {
+			// Delay until all regions are loaded
+			if(!plugin.isReady()) {
+				return true;
+			}
+			if(!player.isOnline()) {
+				return false;
+			}
+			// Notify for rents that almost run out
+			for(RentRegion region : plugin.getFileManager().getRentsRef()) {
+				if(region.isRenter(player)) {
+					String warningSetting = region.getStringSetting("rent.warningOnLoginTime");
+					if(warningSetting == null || warningSetting.isEmpty()) {
+						continue;
+					}
+					long warningTime = Utils.durationStringToLong(warningSetting);
+					if(region.getTimeLeft() < warningTime) {
+						// Send the warning message later to let it appear after general MOTD messages
+						 messageBridge.message(player, "rent-expireWarning", region);
+					}
+				}
+			}
 
-        // Check if the player has regions that use an old name of him and update them
-        Utils.runCancellingTaskTimer(() -> {
-            if (!plugin.isReady()) {
-                return true;
-            }
+			// Notify admins for plugin updates
+			this.plugin.notifyUpdate(player);
+			return false;
+		});
 
-            List<GeneralRegion> regions = new ArrayList<>();
-            for (GeneralRegion region : plugin.getFileManager().getRegions()) {
-                if (region.isOwner(player)) {
-                    regions.add(region);
-                }
-            }
-            final String name = player.getName();
-            Utils.runAsBatches(regions,
-                    plugin.getConfig().getInt("nameupdate.regionsPerTick"),
-                    (region) -> {
-                        if (region instanceof BuyRegion || region instanceof RentRegion) {
-                            String key = region instanceof BuyRegion ? "buy.buyerName" : "rent.renterName";
-                            if (!name.equals(region.getStringSetting("buy.buyerName"))) {
-                                region.setSetting(key, player.getName());
-                                region.update();
-                            }
-                        }
-                    }, false);
-            return false;
-        }, 22, 10, false);
-    }
+		// Check if the player has regions that use an old name of him and update them
+		Do.syncTimerLater(22, 10, () -> {
+			if(!plugin.isReady()) {
+				return true;
+			}
 
-    // Active time updates
-    @EventHandler(priority = EventPriority.MONITOR)
-    public void onPlayerLogout(PlayerQuitEvent event) {
-        updateLastActive(event.getPlayer());
-    }
+			List<GeneralRegion> regions = new ArrayList<>();
+			for(GeneralRegion region : plugin.getFileManager().getRegionsRef()) {
+				if(region.isOwner(player)) {
+					regions.add(region);
+				}
+			}
 
-    @EventHandler(priority = EventPriority.MONITOR)
-    public void onPlayerKick(PlayerKickEvent event) {
-        updateLastActive(event.getPlayer());
-    }
+			Do.forAll(
+				plugin.getConfig().getInt("nameupdate.regionsPerTick"),
+				regions,
+				region -> {
+					if(region instanceof BuyRegion) {
+						if(!player.getName().equals(region.getStringSetting("buy.buyerName"))) {
+							region.setSetting("buy.buyerName", player.getName());
+							region.update();
+						}
+					} else if(region instanceof RentRegion) {
+						if(!player.getName().equals(region.getStringSetting("rent.renterName"))) {
+							region.setSetting("rent.renterName", player.getName());
+							region.update();
+						}
+					}
+				}
+			);
+			return false;
+		});
+	}
 
-    /**
-     * Update the last active time for all regions the player is owner off.
-     *
-     * @param player The player to update the active times for
-     */
-    private void updateLastActive(Player player) {
-        for (GeneralRegion region : plugin.getFileManager().getRegions()) {
-            if (region.isOwner(player)) {
-                region.updateLastActiveTime();
-            }
-        }
-    }
+	// Active time updates
+	@EventHandler(priority = EventPriority.MONITOR)
+	public void onPlayerLogout(PlayerQuitEvent event) {
+		updateLastActive(event.getPlayer());
+	}
+
+	@EventHandler(priority = EventPriority.MONITOR)
+	public void onPlayerKick(PlayerKickEvent event) {
+		updateLastActive(event.getPlayer());
+	}
+
+	/**
+	 * Update the last active time for all regions the player is owner off.
+	 * @param player The player to update the active times for
+	 */
+	private void updateLastActive(Player player) {
+		for(GeneralRegion region : plugin.getFileManager().getRegionsRef()) {
+			if(region.isOwner(player)) {
+				region.updateLastActiveTime();
+			}
+		}
+	}
 }
 
 

AreaShop/src/main/java/me/wiefferink/areashop/managers/AdventureLanguageManager.java

@@ -0,0 +1,82 @@
+package me.wiefferink.areashop.managers;
+
+import net.kyori.adventure.text.Component;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class AdventureLanguageManager {
+
+    private final Map<String, LanguageRegistry> languageRegistryMap = new HashMap<>();
+    private String currentLanguage;
+    private String fallbackLanguage;
+
+    private String chatPrefix = "";
+
+    public AdventureLanguageManager(String currentLanguage, String fallbackLanguage) {
+        this.currentLanguage = currentLanguage;
+        this.fallbackLanguage = fallbackLanguage;
+    }
+
+    public AdventureLanguageManager currentLanguage(@NotNull String language) {
+        this.currentLanguage = language;
+        return this;
+    }
+
+    public AdventureLanguageManager fallbackLanguage(@NotNull String language) {
+        this.fallbackLanguage = language;
+        return this;
+    }
+
+    public AdventureLanguageManager loadValues(@NotNull String language,
+                                               @NotNull Map<String, String> values) {
+        this.languageRegistryMap.put(language, new LanguageRegistry(values));
+        return this;
+    }
+
+    public String messageFor(String key, String lang) {
+        LanguageRegistry registry = this.languageRegistryMap.get(lang);
+        if (registry == null) {
+            return "";
+        }
+        return registry.messageFor(key);
+    }
+
+    public String messageFor(String key) {
+        String  message = messageFor(key, this.currentLanguage);
+        if (message.isEmpty() && !this.currentLanguage.equals(fallbackLanguage)) {
+            message = messageFor(key, this.fallbackLanguage);
+        }
+        return message;
+    }
+
+    public void chatPrefix(String prefix) {
+        this.chatPrefix = prefix;
+    }
+
+    public String chatPrefix() {
+        return this.chatPrefix;
+    }
+
+    private static class LanguageRegistry {
+        private final Map<String, String> messages = new HashMap<>();
+
+        public LanguageRegistry(Map<String, String> messages) {
+            this.messages.putAll(messages);
+        }
+
+        public void messageFor(String key, String message) {
+            this.messages.put(key, message);
+        }
+
+        public String messageFor(String key) {
+            return this.messages.getOrDefault(key, "");
+        }
+
+        public boolean isEmpty() {
+            return this.messages.isEmpty();
+        }
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/managers/CommandManager.java

@@ -1,5 +1,10 @@
 package me.wiefferink.areashop.managers;
 
+import com.google.inject.Injector;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.commands.AddCommand;
 import me.wiefferink.areashop.commands.AddfriendCommand;
 import me.wiefferink.areashop.commands.AddsignCommand;
@@ -34,54 +39,69 @@ import me.wiefferink.areashop.commands.StackCommand;
 import me.wiefferink.areashop.commands.StopresellCommand;
 import me.wiefferink.areashop.commands.TeleportCommand;
 import me.wiefferink.areashop.commands.UnrentCommand;
-import org.bukkit.command.*;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.TabCompleter;
 
-import java.util.*;
+import javax.annotation.Nonnull;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.SortedSet;
+import java.util.TreeSet;
 
-public class CommandManager extends Manager implements TabExecutor {
-	private final ArrayList<CommandAreaShop> commands;
+@Singleton
+public class CommandManager extends Manager implements CommandExecutor, TabCompleter {
+	private final List<CommandAreaShop> commands;
+	private final AreaShop plugin;
+	private final MessageBridge messageBridge;
 
 	/**
 	 * Constructor.
 	 */
-	public CommandManager() {
-		commands = new ArrayList<>();
-		commands.add(new HelpCommand());
-		commands.add(new RentCommand());
-		commands.add(new UnrentCommand());
-		commands.add(new BuyCommand());
-		commands.add(new SellCommand());
-		commands.add(new MeCommand());
-		commands.add(new InfoCommand());
-		commands.add(new TeleportCommand());
-		commands.add(new SetteleportCommand());
-		commands.add(new AddfriendCommand());
-		commands.add(new DelfriendCommand());
-		commands.add(new FindCommand());
-		commands.add(new ResellCommand());
-		commands.add(new StopresellCommand());
-		commands.add(new SetrestoreCommand());
-		commands.add(new SetpriceCommand());
-		commands.add(new SetownerCommand());
-		commands.add(new SetdurationCommand());
-		commands.add(new ReloadCommand());
-		commands.add(new GroupaddCommand());
-		commands.add(new GroupdelCommand());
-		commands.add(new GrouplistCommand());
-		commands.add(new GroupinfoCommand());
-		commands.add(new SchematiceventCommand());
-		commands.add(new AddCommand());
-		commands.add(new DelCommand());
-		commands.add(new AddsignCommand());
-		commands.add(new DelsignCommand());
-		commands.add(new LinksignsCommand());
-		commands.add(new StackCommand());
-		commands.add(new SetlandlordCommand());
-		commands.add(new MessageCommand());
-		commands.add(new ImportCommand());
+	@Inject
+	CommandManager(@Nonnull AreaShop plugin, @Nonnull MessageBridge messageBridge, @Nonnull
+				   Injector injector) {
+		this.plugin = plugin;
+		this.messageBridge = messageBridge;
+		commands = new ArrayList<>(34);
+		commands.add(new HelpCommand(this));
+		commands.add(injector.getInstance(RentCommand.class));
+		commands.add(injector.getInstance(UnrentCommand.class));
+		commands.add(injector.getInstance(BuyCommand.class));
+		commands.add(injector.getInstance(SellCommand.class));
+		commands.add(injector.getInstance(MeCommand.class));
+		commands.add(injector.getInstance(InfoCommand.class));
+		commands.add(injector.getInstance(TeleportCommand.class));
+		commands.add(injector.getInstance(SetteleportCommand.class));
+		commands.add(injector.getInstance(AddfriendCommand.class));
+		commands.add(injector.getInstance(DelfriendCommand.class));
+		commands.add(injector.getInstance(FindCommand.class));
+		commands.add(injector.getInstance(ResellCommand.class));
+		commands.add(injector.getInstance(StopresellCommand.class));
+		commands.add(injector.getInstance(SetrestoreCommand.class));
+		commands.add(injector.getInstance(SetpriceCommand.class));
+		commands.add(injector.getInstance(SetownerCommand.class));
+		commands.add(injector.getInstance(SetdurationCommand.class));
+		commands.add(injector.getInstance(ReloadCommand.class));
+		commands.add(injector.getInstance(GroupaddCommand.class));
+		commands.add(injector.getInstance(GroupdelCommand.class));
+		commands.add(injector.getInstance(GrouplistCommand.class));
+		commands.add(injector.getInstance(GroupinfoCommand.class));
+		commands.add(injector.getInstance(SchematiceventCommand.class));
+		commands.add(injector.getInstance(AddCommand.class));
+		commands.add(injector.getInstance(DelCommand.class));
+		commands.add(injector.getInstance(AddsignCommand.class));
+		commands.add(injector.getInstance(DelsignCommand.class));
+		commands.add(injector.getInstance(LinksignsCommand.class));
+		commands.add(injector.getInstance(StackCommand.class));
+		commands.add(injector.getInstance(SetlandlordCommand.class));
+		commands.add(injector.getInstance(MessageCommand.class));
+		commands.add(injector.getInstance(ImportCommand.class));
 
 		// Register commands in bukkit
 		plugin.getCommand("AreaShop").setExecutor(this);
+		plugin.getCommand("AreaShop").setTabCompleter(this);
 	}
 
 	/**
@@ -98,13 +118,13 @@ public class CommandManager extends Manager implements TabExecutor {
 	 */
 	public void showHelp(CommandSender target) {
 		if(!target.hasPermission("areashop.help")) {
-			plugin.message(target, "help-noPermission");
+			messageBridge.message(target, "help-noPermission");
 			return;
 		}
 		// Add all messages to a list
 		ArrayList<String> messages = new ArrayList<>();
-		plugin.message(target, "help-header");
-		plugin.message(target, "help-alias");
+		messageBridge.message(target, "help-header");
+		messageBridge.message(target, "help-alias");
 		for(CommandAreaShop command : commands) {
 			String help = command.getHelp(target);
 			if(help != null && !help.isEmpty()) {
@@ -113,14 +133,14 @@ public class CommandManager extends Manager implements TabExecutor {
 		}
 		// Send the messages to the target
 		for(String message : messages) {
-			plugin.messageNoPrefix(target, message);
+			messageBridge.messageNoPrefix(target, message);
 		}
 	}
 
 	@Override
 	public boolean onCommand(CommandSender sender, Command command, String alias, String[] args) {
 		if(!plugin.isReady()) {
-			plugin.message(sender, "general-notReady");
+			messageBridge.message(sender, "general-notReady");
 			return true;
 		}
 
@@ -146,9 +166,9 @@ public class CommandManager extends Manager implements TabExecutor {
 			} else {
 				// Indicate that the '/as updaterents' and '/as updatebuys' commands are removed
 				if("updaterents".equalsIgnoreCase(args[0]) || "updatebuys".equalsIgnoreCase(args[0])) {
-					plugin.message(sender, "reload-updateCommandChanged");
+					messageBridge.message(sender, "reload-updateCommandChanged");
 				} else {
-					plugin.message(sender, "cmd-notValid");
+					messageBridge.message(sender, "cmd-notValid");
 				}
 			}
 		}
@@ -158,10 +178,10 @@ public class CommandManager extends Manager implements TabExecutor {
 
 	@Override
 	public List<String> onTabComplete(CommandSender sender, Command command, String alias, String[] args) {
-		if(!sender.hasPermission("areashop.tabcomplete")) {
-			return Collections.emptyList();
-		}
 		List<String> result = new ArrayList<>();
+		if(!sender.hasPermission("areashop.tabcomplete")) {
+			return result;
+		}
 		int toCompleteNumber = args.length;
 		String toCompletePrefix = args[args.length - 1].toLowerCase();
 		//AreaShop.debug("toCompleteNumber=" + toCompleteNumber + ", toCompletePrefix=" + toCompletePrefix + ", length=" + toCompletePrefix.length());

AreaShop/src/main/java/me/wiefferink/areashop/managers/FeatureManager.java

@@ -1,8 +1,13 @@
 package me.wiefferink.areashop.managers;
 
+import com.google.inject.Injector;
+import com.google.inject.ProvisionException;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.features.CommandsFeature;
 import me.wiefferink.areashop.features.DebugFeature;
+import me.wiefferink.areashop.features.FeatureFactory;
 import me.wiefferink.areashop.features.FriendsFeature;
 import me.wiefferink.areashop.features.RegionFeature;
 import me.wiefferink.areashop.features.TeleportFeature;
@@ -10,57 +15,61 @@ import me.wiefferink.areashop.features.WorldGuardRegionFlagsFeature;
 import me.wiefferink.areashop.features.signs.SignsFeature;
 import me.wiefferink.areashop.regions.GeneralRegion;
 
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
+import javax.annotation.Nonnull;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
+import java.util.function.Function;
 
+@Singleton
 public class FeatureManager extends Manager {
 
-	// List of defined features
-	private static final Set<Class<? extends RegionFeature>> featureClasses = new HashSet<>(Arrays.asList(
-			DebugFeature.class,
-			SignsFeature.class,
-			FriendsFeature.class,
+	private static final Collection<Class<? extends RegionFeature>> globalFeatureClasses = Arrays.asList(
+			CommandsFeature.class,
 			WorldGuardRegionFlagsFeature.class,
-			TeleportFeature.class,
-			CommandsFeature.class
-	));
+			DebugFeature.class
+	);
 	// One instance of each feature, registered for event handling
-	private final Set<RegionFeature> globalFeatures;
-	private final Map<Class<? extends RegionFeature>, Constructor<? extends RegionFeature>> regionFeatureConstructors;
+	private final Set<RegionFeature> globalFeatures = new HashSet<>();
+	private final Map<Class<? extends RegionFeature>, Function<GeneralRegion, ? extends RegionFeature>> regionFeatureConstructors = new HashMap<>();
 
 	/**
 	 * Constructor.
 	 */
-	public FeatureManager() {
+	@Inject
+	FeatureManager(@Nonnull FeatureFactory featureFactory) {
+		// Setup constructors for region specific features
+		regionFeatureConstructors.put(SignsFeature.class, wrapInstantiator(SignsFeature.class, featureFactory::createSignsFeature));
+		regionFeatureConstructors.put(TeleportFeature.class, wrapInstantiator(TeleportFeature.class, featureFactory::createTeleportFeature));
+		regionFeatureConstructors.put(FriendsFeature.class, wrapInstantiator(FriendsFeature.class, featureFactory::createFriendsFeature));
+	}
+
+	public void initializeFeatures(@Nonnull Injector injector) {
 		// Instantiate and register global features (one per type, for event handling)
-		globalFeatures = new HashSet<>();
-		for(Class<? extends RegionFeature> clazz : featureClasses) {
+		for(Class<? extends RegionFeature> clazz : globalFeatureClasses) {
 			try {
-				Constructor<? extends RegionFeature> constructor = clazz.getConstructor();
-				RegionFeature feature = constructor.newInstance();
+				RegionFeature feature = injector.getInstance(clazz);
 				feature.listen();
 				globalFeatures.add(feature);
-			} catch(InstantiationException | IllegalAccessException | InvocationTargetException | IllegalArgumentException e) {
+			} catch(ProvisionException e) {
 				AreaShop.error("Failed to instantiate global feature:", clazz, e);
-			} catch(NoSuchMethodException e) {
-				// Feature does not have a global part
 			}
 		}
+	}
 
-		// Setup constructors for region specific features
-		regionFeatureConstructors = new HashMap<>();
-		for(Class<? extends RegionFeature> clazz : featureClasses) {
+	private <T extends RegionFeature> Function<GeneralRegion, T> wrapInstantiator(Class<T> clazz, Function<GeneralRegion, T> function
+	) {
+		return region -> {
 			try {
-				regionFeatureConstructors.put(clazz, clazz.getConstructor(GeneralRegion.class));
-			} catch(NoSuchMethodException | IllegalArgumentException e) {
-				// The feature does not have a region specific part
+				return function.apply(region);
+			} catch (Throwable e) {
+				AreaShop.error("Failed to instantiate feature", clazz, "for region", region, e, e.getCause());
+				return null;
 			}
-		}
+		};
 	}
 
 	@Override
@@ -68,8 +77,6 @@ public class FeatureManager extends Manager {
 		for(RegionFeature feature : globalFeatures) {
 			feature.shutdown();
 		}
-		// FIXME make this system less hacky!
-		SignsFeature.shutdownGlobalState();
 	}
 
 	/**
@@ -79,12 +86,7 @@ public class FeatureManager extends Manager {
 	 * @return The feature class
 	 */
 	public RegionFeature getRegionFeature(GeneralRegion region, Class<? extends RegionFeature> featureClazz) {
-		try {
-			return regionFeatureConstructors.get(featureClazz).newInstance(region);
-		} catch(InstantiationException | InvocationTargetException | IllegalAccessException | IllegalArgumentException e) {
-			AreaShop.error("Failed to instantiate feature", featureClazz, "for region", region, e, e.getCause());
-		}
-		return null;
+		return regionFeatureConstructors.get(featureClazz).apply(region);
 	}
 
 }

AreaShop/src/main/java/me/wiefferink/areashop/managers/IFileManager.java

@@ -0,0 +1,399 @@
+package me.wiefferink.areashop.managers;
+
+import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import me.wiefferink.areashop.events.ask.AddingRegionEvent;
+import me.wiefferink.areashop.events.ask.DeletingRegionEvent;
+import me.wiefferink.areashop.regions.BuyRegion;
+import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionGroup;
+import me.wiefferink.areashop.regions.RentRegion;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+import javax.annotation.Nullable;
+import java.util.Collection;
+import java.util.List;
+
+public interface IFileManager {
+
+    /**
+     * Get the folder where schematics are stored.
+     *
+     * @return The folder where schematics are stored
+     */
+    String getSchematicFolder();
+
+    /**
+     * Get a group.
+     *
+     * @param name The name of the group to get (will be normalized)
+     * @return The group if found, otherwise null
+     */
+    RegionGroup getGroup(String name);
+
+    /**
+     * Get all groups.
+     *
+     * @return Collection with all groups (safe to modify)
+     */
+    Collection<RegionGroup> getGroups();
+
+    /**
+     * Get the default region settings as provided by the user (default.yml).
+     *
+     * @return YamlConfiguration with the settings (might miss settings, which should be filled in with {@link #getFallbackRegionSettings()})
+     */
+    YamlConfiguration getRegionSettings();
+
+    /**
+     * Get the default regions settings as provided by AreaShop (default.yml).
+     *
+     * @return YamlConfiguration with the default settings
+     */
+    YamlConfiguration getFallbackRegionSettings();
+
+    /**
+     * Get the config file (config.yml).
+     *
+     * @return YamlConfiguration with the settings of users, with fallback to the settings provided by AreaShop
+     */
+    YamlConfiguration getConfig();
+
+    /**
+     * Get a region.
+     *
+     * @param name The name of the region to get (will be normalized)
+     * @return The region if found, otherwise null
+     */
+    @Nullable
+    GeneralRegion getRegion(String name);
+
+    /**
+     * Get a rental region.
+     *
+     * @param name The name of the rental region (will be normalized)
+     * @return RentRegion if it could be found, otherwise null
+     */
+    @Nullable
+    RentRegion getRent(String name);
+
+    /**
+     * Get a buy region.
+     *
+     * @param name The name of the buy region (will be normalized)
+     * @return BuyRegion if it could be found, otherwise null
+     */
+    @Nullable
+    BuyRegion getBuy(String name);
+
+    /**
+     * Get all rental regions.
+     *
+     * @return List of all rental regions
+     */
+    Collection<RentRegion> getRents();
+
+    /**
+     * Get all rental regions (readonly)
+     *
+     * @return Unmodifiable collection of all rental regions
+     */
+    Collection<RentRegion> getRentsRef();
+
+    /**
+     * Get all buy regions.
+     *
+     * @return List of all buy regions
+     */
+    List<BuyRegion> getBuys();
+
+    /**
+     * Get all buy regions (readonly)
+     * @return Unmodifiable collection of all buy regions
+     */
+    Collection<BuyRegion> getBuysRef();
+
+    /**
+     * Get all regions.
+     *
+     * @return List of all regions (it is safe to modify the list)
+     */
+    List<GeneralRegion> getRegions();
+
+    /**
+     * Get all regions (readonly)
+     *
+     * @return Unmodifiable collection of all regions
+     */
+    Collection<GeneralRegion> getRegionsRef();
+
+    /**
+     * Get a list of names of all buy regions.
+     *
+     * @return A String list with all the names
+     */
+    List<String> getBuyNames();
+
+    /**
+     * Get a list of names of all rent regions.
+     *
+     * @return A String list with all the names
+     */
+    List<String> getRentNames();
+
+    /**
+     * Get a list of names of all regions.
+     *
+     * @return A String list with all the names
+     */
+    List<String> getRegionNames();
+
+    /**
+     * Get a list of names of all groups.
+     *
+     * @return A String list with all the names
+     */
+    List<String> getGroupNames();
+
+    /**
+     * Add a region to the list and mark it as to-be-saved.
+     *
+     * @param region Then region to add
+     * @return true when successful, otherwise false (denied by an event listener)
+     */
+    AddingRegionEvent addRegion(GeneralRegion region);
+
+    /**
+     * Add a region to the list without saving it to disk (useful for loading at startup).
+     *
+     * @param region The region to add
+     * @return true when successful, otherwise false (denied by an event listener)
+     */
+    AddingRegionEvent addRegionNoSave(GeneralRegion region);
+
+    /**
+     * Mark all RegionGroups that they should regenerate regions.
+     */
+    void markGroupsAutoDirty();
+
+    /**
+     * Add a RegionGroup.
+     *
+     * @param group The RegionGroup to add
+     */
+    void addGroup(RegionGroup group);
+
+    /**
+     * Check if a player can add a certain region as rent or buy region.
+     *
+     * @param sender The player/console that wants to add a region
+     * @param region The WorldGuard region to add
+     * @param world  The world the ProtectedRegion is located in
+     * @param type   The type the region should have in AreaShop
+     * @return The result if a player would want to add this region
+     */
+    AddResult checkRegionAdd(CommandSender sender,
+                             ProtectedRegion region,
+                             World world,
+                             GeneralRegion.RegionType type);
+
+    /**
+     * Remove a region from the list.
+     *
+     * @param region        The region to remove
+     * @param giveMoneyBack use true to give money back to the player if someone is currently holding this region, otherwise false
+     * @return true if the region has been removed, false otherwise
+     */
+    DeletingRegionEvent deleteRegion(GeneralRegion region, boolean giveMoneyBack);
+
+    /**
+     * Remove a group.
+     *
+     * @param group Group to remove
+     */
+    void removeGroup(RegionGroup group);
+
+    /**
+     * Update all signs that need periodic updating.
+     */
+    void performPeriodicSignUpdate();
+
+    /**
+     * Send out rent expire warnings.
+     */
+    void sendRentExpireWarnings();
+
+    /**
+     * Update regions in a task to minimize lag.
+     *
+     * @param regions              Regions to update
+     * @param confirmationReceiver The CommandSender that should be notified at completion
+     */
+    void updateRegions(Collection<GeneralRegion> regions, CommandSender confirmationReceiver);
+
+    /**
+     * Update a list of regions.
+     *
+     * @param regions The list of regions to update.
+     */
+    void updateRegions(Collection<GeneralRegion> regions);
+
+    /**
+     * Update all regions, happens in a task to minimize lag.
+     */
+    void updateAllRegions();
+
+    /**
+     * Update all regions.
+     *
+     * @param confirmationReceiver Optional CommandSender that should receive progress messages
+     */
+    void updateAllRegions(CommandSender confirmationReceiver);
+
+    /**
+     * Save the group file to disk.
+     */
+    void saveGroupsIsRequired();
+
+    /**
+     * Check if saving the groups file is required.
+     *
+     * @return true if changes are made and saving is required, otherwise false
+     */
+    boolean isSaveGroupsRequired();
+
+    /**
+     * Save the groups file to disk synchronously.
+     */
+    void saveGroupsNow();
+
+    /**
+     * Save all region related files spread over time (low load).
+     */
+    void saveRequiredFiles();
+
+    /**
+     * Save all region related files directly (only for cases like onDisable()).
+     */
+    void saveRequiredFilesAtOnce();
+
+    /**
+     * Indicates that a/multiple WorldGuard regions need to be saved.
+     *
+     * @param worldName The world where the regions that should be saved is in
+     */
+    void saveIsRequiredForRegionWorld(String worldName);
+
+    /**
+     * Save all worldGuard regions that need saving.
+     */
+    void saveWorldGuardRegions();
+
+    /**
+     * Get the folder the region files are located in.
+     *
+     * @return The folder where the region.yml files are in
+     */
+    String getRegionFolder();
+
+    /**
+     * Check if a region is on the adding blacklist.
+     *
+     * @param region The region name to check
+     * @return true if the region may not be added, otherwise false
+     */
+    boolean isBlacklisted(String region);
+
+    /**
+     * Unrent regions that have no time left, regions to check per tick is in the config.
+     */
+    void checkRents();
+
+    /**
+     * Check all regions and unrent/sell them if the player is inactive for too long.
+     */
+    void checkForInactiveRegions();
+
+    /**
+     * Load the file with the versions, used to check if the other files need conversion.
+     */
+    @SuppressWarnings("unchecked")
+    void loadVersions();
+
+    /**
+     * Save the versions file to disk.
+     */
+    void saveVersions();
+
+    /**
+     * Load all files from disk.
+     *
+     * @param thisTick Load files in the current tick or a tick later
+     * @return true if the files are loaded correctly, otherwise false
+     */
+    boolean loadFiles(boolean thisTick);
+
+    /**
+     * Load the default.yml file
+     *
+     * @return true if it has been loaded successfully, otherwise false
+     */
+    boolean loadDefaultFile();
+
+    /**
+     * Load the default.yml file
+     *
+     * @return true if it has been loaded successfully, otherwise false
+     */
+    boolean loadConfigFile();
+
+    /**
+     * Load the groups.yml file from disk
+     *
+     * @return true if succeeded, otherwise false
+     */
+    boolean loadGroupsFile();
+
+    /**
+     * Load all region files.
+     */
+    void loadRegionFiles();
+
+    /**
+     * Get the settings of a group.
+     *
+     * @param groupName Name of the group to get the settings from
+     * @return The settings of the group
+     */
+    ConfigurationSection getGroupSettings(String groupName);
+
+    /**
+     * Set a setting for a group.
+     *
+     * @param group   The group to set it for
+     * @param path    The path to set
+     * @param setting The value to set
+     */
+    void setGroupSetting(RegionGroup group, String path, Object setting);
+
+    // Enum for region types
+    public enum AddResult {
+        BLACKLISTED("blacklisted"),
+        NOPERMISSION("nopermission"),
+        ALREADYADDED("alreadyadded"),
+        ALREADYADDEDOTHERWORLD("alreadyaddedotherworld"),
+        SUCCESS("success");
+
+        private final String value;
+
+        AddResult(String value) {
+            this.value = value;
+        }
+
+        public String getValue() {
+            return value;
+        }
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/managers/Manager.java

@@ -1,11 +1,7 @@
 package me.wiefferink.areashop.managers;
 
-import me.wiefferink.areashop.AreaShop;
-
 public abstract class Manager {
 
-	final AreaShop plugin = AreaShop.getInstance();
-
 	/**
 	 * Called at shutdown of the plugin.
 	 */

AreaShop/src/main/java/me/wiefferink/areashop/managers/SignLinkerManager.java

@@ -1,18 +1,20 @@
 package me.wiefferink.areashop.managers;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.features.signs.RegionSign;
-import me.wiefferink.areashop.features.signs.SignsFeature;
+import me.wiefferink.areashop.features.signs.SignManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Materials;
+import me.wiefferink.areashop.tools.SignUtils;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
-import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.type.Sign;
-import org.bukkit.block.data.type.WallSign;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -27,14 +29,23 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
 
+@Singleton
 public class SignLinkerManager extends Manager implements Listener {
 	private final Map<UUID, SignLinker> signLinkers;
 	private boolean eventsRegistered;
 
-	public SignLinkerManager() {
+	@Inject
+	private AreaShop plugin;
+	@Inject
+	private SignManager signManager;
+	@Inject
+	private MessageBridge messageBridge;
+
+	SignLinkerManager() {
 		signLinkers = new HashMap<>();
 		eventsRegistered = false;
 	}
@@ -53,8 +64,8 @@ public class SignLinkerManager extends Manager implements Listener {
 	 */
 	public void enterSignLinkMode(Player player, String profile) {
 		signLinkers.put(player.getUniqueId(), new SignLinker(player, profile));
-		plugin.message(player, "linksigns-first");
-		plugin.message(player, "linksigns-next");
+		messageBridge.message(player, "linksigns-first");
+		messageBridge.message(player, "linksigns-next");
 		if(!eventsRegistered) {
 			eventsRegistered = true;
 			plugin.getServer().getPluginManager().registerEvents(this, plugin);
@@ -71,7 +82,7 @@ public class SignLinkerManager extends Manager implements Listener {
 			eventsRegistered = false;
 			HandlerList.unregisterAll(this);
 		}
-		plugin.message(player, "linksigns-stopped");
+		messageBridge.message(player, "linksigns-stopped");
 	}
 
 	/**
@@ -107,13 +118,13 @@ public class SignLinkerManager extends Manager implements Listener {
 						for(GeneralRegion region : regions) {
 							names.add(region.getName());
 						}
-						plugin.message(player, "linksigns-multipleRegions", Utils.createCommaSeparatedList(names));
-						plugin.message(player, "linksigns-multipleRegionsAdvice");
+						messageBridge.message(player, "linksigns-multipleRegions", Utils.createCommaSeparatedList(names));
+						messageBridge.message(player, "linksigns-multipleRegionsAdvice");
 						return;
 					}
 				}
 				// No regions found within the maximum range
-				plugin.message(player, "linksigns-noRegions");
+				messageBridge.message(player, "linksigns-noRegions");
 			} else if(event.getAction() == Action.LEFT_CLICK_AIR || event.getAction() == Action.LEFT_CLICK_BLOCK) {
 				Block block = null;
 				BlockIterator blockIterator = new BlockIterator(player, 100);
@@ -124,25 +135,17 @@ public class SignLinkerManager extends Manager implements Listener {
 					}
 				}
 				if(block == null || !Materials.isSign(block.getType())) {
-					plugin.message(player, "linksigns-noSign");
+					messageBridge.message(player, "linksigns-noSign");
 					return;
 				}
 
-				RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-				if(regionSign != null) {
-					plugin.message(player, "linksigns-alreadyRegistered", regionSign.getRegion());
+				Optional<RegionSign> optional = signManager.signFromLocation(block.getLocation());
+				if(optional.isPresent()) {
+					RegionSign regionSign = optional.get();
+					messageBridge.message(player, "linksigns-alreadyRegistered", regionSign.getRegion());
 					return;
 				}
-				final BlockData blockData = block.getBlockData();
-				final BlockFace rotation;
-				if (blockData instanceof Sign) {
-					rotation = ((Sign) blockData).getRotation();
-				} else if (blockData instanceof WallSign) {
-					rotation = ((WallSign) blockData).getFacing();
-				} else {
-					rotation = null;
-				}
-				linker.setSign(block.getLocation(), block.getType(), rotation);
+				linker.setSign(block.getLocation(), block.getType(), SignUtils.getSignFacing(block));
 			}
 		}
 	}
@@ -181,7 +184,7 @@ public class SignLinkerManager extends Manager implements Listener {
 			this.region = region;
 			hasRegion = true;
 			if(!isComplete()) {
-				plugin.message(linker, "linksigns-regionFound", region);
+				messageBridge.message(linker, "linksigns-regionFound", region);
 			}
 			finish();
 		}
@@ -192,7 +195,7 @@ public class SignLinkerManager extends Manager implements Listener {
 			this.facing = facing;
 			hasSign = true;
 			if(!isComplete()) {
-				plugin.message(linker, "linksigns-signFound", location.getBlockX(), location.getBlockY(), location.getBlockZ());
+				messageBridge.message(linker, "linksigns-signFound", location.getBlockX(), location.getBlockY(), location.getBlockZ());
 			}
 			finish();
 		}
@@ -201,14 +204,14 @@ public class SignLinkerManager extends Manager implements Listener {
 			if(isComplete()) {
 				region.getSignsFeature().addSign(location, type, facing, profile);
 				if(profile == null) {
-					plugin.message(linker, "addsign-success", region);
+					messageBridge.message(linker, "addsign-success", region);
 				} else {
-					plugin.message(linker, "addsign-successProfile", region, profile);
+					messageBridge.message(linker, "addsign-successProfile", region, profile);
 				}
 				region.update();
 				reset();
 
-				plugin.message(linker, "linksigns-next");
+				messageBridge.message(linker, "linksigns-next");
 			}
 		}
 

AreaShop/src/main/java/me/wiefferink/areashop/modules/AreaShopModule.java

@@ -0,0 +1,78 @@
+package me.wiefferink.areashop.modules;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Provides;
+import com.google.inject.Singleton;
+import com.google.inject.assistedinject.FactoryModuleBuilder;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.features.FeatureFactory;
+import me.wiefferink.areashop.features.signs.SignsModule;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.AdventureLanguageManager;
+import me.wiefferink.areashop.managers.CommandManager;
+import me.wiefferink.areashop.managers.FeatureManager;
+import me.wiefferink.areashop.managers.FileManager;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.managers.SignErrorLogger;
+import me.wiefferink.areashop.managers.SignLinkerManager;
+import me.wiefferink.areashop.nms.NMS;
+import me.wiefferink.areashop.regions.ImportJobFactory;
+import me.wiefferink.areashop.regions.RegionModule;
+import me.wiefferink.areashop.tools.AdventureMessageBridge;
+import me.wiefferink.areashop.tools.ForwardingMessageBridge;
+import me.wiefferink.areashop.tools.LegacyMessageBridge;
+import me.wiefferink.areashop.tools.Utils;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.plugin.Plugin;
+
+import javax.annotation.Nonnull;
+import java.io.File;
+import java.util.Arrays;
+
+public class AreaShopModule extends AbstractModule {
+
+    private final AreaShop instance;
+    private final WorldGuardInterface worldGuardInterface;
+    private final WorldEditInterface worldEditInterface;
+    private final NMS nms;
+    private final SignErrorLogger signErrorLogger;
+    private final AbstractModule[] extras;
+
+    public AreaShopModule(@Nonnull AreaShop instance,
+                          @Nonnull NMS nms,
+                          @Nonnull WorldEditInterface worldEditInterface,
+                          @Nonnull WorldGuardInterface worldGuardInterface,
+                          @Nonnull SignErrorLogger signErrorLogger,
+                          @Nonnull AbstractModule... extras
+    ) {
+        this.instance = instance;
+        this.nms = nms;
+        this.signErrorLogger = signErrorLogger;
+        this.worldEditInterface = worldEditInterface;
+        this.worldGuardInterface = worldGuardInterface;
+        this.extras = extras;
+    }
+
+    @Override
+    protected void configure() {
+        Arrays.stream(this.extras).forEach(this::install);
+        bind(Plugin.class).toInstance(this.instance);
+        bind(AreaShop.class).toInstance(this.instance);
+        bind(MessageBridge.class).to(ForwardingMessageBridge.class).asEagerSingleton();
+        bind(WorldGuardInterface.class).toInstance(this.worldGuardInterface);
+        bind(WorldEditInterface.class).toInstance(this.worldEditInterface);
+        bind(SignErrorLogger.class).toInstance(this.signErrorLogger);
+        // Setup managers
+        bind(IFileManager.class).to(FileManager.class).asEagerSingleton();
+        bind(FeatureManager.class).in(Singleton.class);
+        bind(CommandManager.class).in(Singleton.class);
+        bind(SignLinkerManager.class).in(Singleton.class);
+        install(new SignsModule());
+        install(new RegionModule());
+        install(new FactoryModuleBuilder().build(FeatureFactory.class));
+        install(new FactoryModuleBuilder().build(ImportJobFactory.class));
+        requestStaticInjection(Utils.class);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/modules/BukkitModule.java

@@ -0,0 +1,34 @@
+package me.wiefferink.areashop.modules;
+
+import com.google.inject.AbstractModule;
+import org.bukkit.Server;
+import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.inventory.ItemFactory;
+import org.bukkit.plugin.PluginManager;
+import org.bukkit.plugin.ServicesManager;
+import org.bukkit.scheduler.BukkitScheduler;
+import org.bukkit.scoreboard.ScoreboardManager;
+
+import javax.annotation.Nonnull;
+
+public class BukkitModule extends AbstractModule {
+
+    private final Server server;
+
+    public BukkitModule(@Nonnull Server server) {
+        this.server = server;
+    }
+
+    @Override
+    protected void configure() {
+        bind(Server.class).toInstance(this.server);
+        bind(PluginManager.class).toInstance(this.server.getPluginManager());
+        bind(BukkitScheduler.class).toInstance(this.server.getScheduler());
+        bind(PluginManager.class).toInstance(this.server.getPluginManager());
+        bind(ServicesManager.class).toInstance(this.server.getServicesManager());
+        bind(ItemFactory.class).toInstance(this.server.getItemFactory());
+        bind(ConsoleCommandSender.class).toInstance(this.server.getConsoleSender());
+        bind(ScoreboardManager.class).toInstance(this.server.getScoreboardManager());
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/modules/DependencyModule.java

@@ -0,0 +1,37 @@
+package me.wiefferink.areashop.modules;
+
+import com.google.inject.AbstractModule;
+import com.sk89q.worldedit.bukkit.WorldEditPlugin;
+import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
+import net.milkbowl.vault.economy.Economy;
+import net.milkbowl.vault.permission.Permission;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+public class DependencyModule extends AbstractModule {
+
+    private final WorldEditPlugin worldEditPlugin;
+    private final WorldGuardPlugin worldGuardPlugin;
+    private final Economy economy;
+    private final Permission permission;
+
+   public DependencyModule(@Nonnull WorldEditPlugin worldEditPlugin,
+                           @Nonnull WorldGuardPlugin worldGuardPlugin,
+                           @Nullable Economy economy,
+                           @Nullable Permission permission
+   ) {
+       this.worldEditPlugin = worldEditPlugin;
+       this.worldGuardPlugin = worldGuardPlugin;
+       this.economy = economy;
+       this.permission = permission;
+   }
+
+    @Override
+    protected void configure() {
+        bind(WorldEditPlugin.class).toInstance(this.worldEditPlugin);
+        bind(WorldGuardPlugin.class).toInstance(this.worldGuardPlugin);
+        bind(Economy.class).toInstance(this.economy);
+        bind(Permission.class).toInstance(this.permission);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/modules/PlatformModule.java

@@ -0,0 +1,29 @@
+package me.wiefferink.areashop.modules;
+
+import com.google.inject.AbstractModule;
+import me.wiefferink.areashop.adapters.platform.MinecraftPlatform;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.nms.BlockBehaviourHelper;
+import me.wiefferink.areashop.nms.NMS;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
+import org.jetbrains.annotations.NotNull;
+
+public class PlatformModule extends AbstractModule {
+
+    private final MinecraftPlatform minecraftPlatform;
+    private final NMS nms;
+
+    public PlatformModule(@NotNull MinecraftPlatform platform,
+                          @NotNull NMS nms) {
+        this.minecraftPlatform = platform;
+        this.nms = nms;
+    }
+    @Override
+    protected void configure() {
+        bind(MinecraftPlatform.class).toInstance(this.minecraftPlatform);
+        bind(OfflinePlayerHelper.class).toInstance(this.minecraftPlatform.offlinePlayerHelper());
+        bind(NMS.class).toInstance(this.nms);
+        bind(BlockBehaviourHelper.class).toInstance(this.nms.blockBehaviourHelper());
+        bind(BukkitSchedulerExecutor.class).asEagerSingleton();
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/regions/BuyRegion.java

@@ -1,5 +1,7 @@
 package me.wiefferink.areashop.regions;
 
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.ask.BuyingRegionEvent;
 import me.wiefferink.areashop.events.ask.ResellingRegionEvent;
@@ -7,7 +9,11 @@ import me.wiefferink.areashop.events.ask.SellingRegionEvent;
 import me.wiefferink.areashop.events.notify.BoughtRegionEvent;
 import me.wiefferink.areashop.events.notify.ResoldRegionEvent;
 import me.wiefferink.areashop.events.notify.SoldRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.FeatureManager;
 import me.wiefferink.areashop.tools.Utils;
+import net.milkbowl.vault.economy.Economy;
 import net.milkbowl.vault.economy.EconomyResponse;
 import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
@@ -16,17 +22,55 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 import java.util.Calendar;
 import java.util.UUID;
 
 public class BuyRegion extends GeneralRegion {
 
-	public BuyRegion(YamlConfiguration config) {
-		super(config);
+	private final Economy economy;
+	
+	@AssistedInject
+	BuyRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nullable Economy economy,
+			@Assisted @Nonnull YamlConfiguration config
+	) {
+		super(plugin, featureManager, worldEditInterface, worldGuardInterface, config);
+		this.economy = economy;
 	}
 
-	public BuyRegion(String name, World world) {
-		super(name, world);
+	@AssistedInject
+	BuyRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nullable Economy economy,
+			@Assisted @Nonnull String name,
+			@Assisted @Nonnull World world
+	) {
+		super(plugin, featureManager, worldEditInterface, worldGuardInterface, name, world);
+		this.economy = economy;
+	}
+
+	@Override
+	public boolean isOwner(UUID player) {
+		return isBuyer(player);
+	}
+
+	@Override
+	public UUID getOwner() {
+		return getBuyer();
+	}
+
+	@Override
+	public void setOwner(UUID player) {
+		setBuyer(player);
 	}
 
 	@Override
@@ -208,31 +252,20 @@ public class BuyRegion extends GeneralRegion {
 
 	@Override
 	public Object provideReplacement(String variable) {
-		switch(variable) {
-			case AreaShop.tagPrice:
-				return getFormattedPrice();
-			case AreaShop.tagRawPrice:
-				return getPrice();
-			case AreaShop.tagPlayerName:
-				return getPlayerName();
-			case AreaShop.tagPlayerUUID:
-				return getBuyer();
-			case AreaShop.tagResellPrice:
-				return getFormattedResellPrice();
-			case AreaShop.tagRawResellPrice:
-				return getResellPrice();
-			case AreaShop.tagMoneyBackAmount:
-				return getFormattedMoneyBackAmount();
-			case AreaShop.tagRawMoneyBackAmount:
-				return getMoneyBackAmount();
-			case AreaShop.tagMoneyBackPercentage:
-				return getMoneyBackPercentage() % 1.0 == 0.0 ? (int)getMoneyBackPercentage() : getMoneyBackPercentage();
-			case AreaShop.tagMaxInactiveTime:
-				return this.getFormattedInactiveTimeUntilSell();
-
-			default:
-				return super.provideReplacement(variable);
-		}
+        return switch (variable) {
+            case AreaShop.tagPrice -> getFormattedPrice();
+            case AreaShop.tagRawPrice -> getPrice();
+            case AreaShop.tagPlayerName -> getPlayerName();
+            case AreaShop.tagPlayerUUID -> getBuyer();
+            case AreaShop.tagResellPrice -> getFormattedResellPrice();
+            case AreaShop.tagRawResellPrice -> getResellPrice();
+            case AreaShop.tagMoneyBackAmount -> getFormattedMoneyBackAmount();
+            case AreaShop.tagRawMoneyBackAmount -> getMoneyBackAmount();
+            case AreaShop.tagMoneyBackPercentage ->
+                    getMoneyBackPercentage() % 1.0 == 0.0 ? (int) getMoneyBackPercentage() : getMoneyBackPercentage();
+            case AreaShop.tagMaxInactiveTime -> this.getFormattedInactiveTimeUntilSell();
+            default -> super.provideReplacement(variable);
+        };
 	}
 
 	/**
@@ -264,7 +297,7 @@ public class BuyRegion extends GeneralRegion {
 			return false;
 		}
 
-		if(plugin.getEconomy() == null) {
+		if(economy == null) {
 			message(offlinePlayer, "general-noEconomy");
 			return false;
 		}
@@ -335,12 +368,12 @@ public class BuyRegion extends GeneralRegion {
 		}
 
 		// Check if the player has enough money
-		if (isResell && !plugin.getEconomy().has(offlinePlayer, getWorldName(), getResellPrice())) {
-			message(offlinePlayer, "buy-lowMoneyResell", Utils.formatCurrency(plugin.getEconomy().getBalance(offlinePlayer, getWorldName())));
+		if (isResell && !economy.has(offlinePlayer, getWorldName(), getResellPrice())) {
+			message(offlinePlayer, "buy-lowMoneyResell", Utils.formatCurrency(economy.getBalance(offlinePlayer, getWorldName())));
 			return false;
 		}
-		if (!isResell && !plugin.getEconomy().has(offlinePlayer, getWorldName(), getPrice())) {
-			message(offlinePlayer, "buy-lowMoney", Utils.formatCurrency(plugin.getEconomy().getBalance(offlinePlayer, getWorldName())));
+		if (!isResell && !economy.has(offlinePlayer, getWorldName(), getPrice())) {
+			message(offlinePlayer, "buy-lowMoney", Utils.formatCurrency(economy.getBalance(offlinePlayer, getWorldName())));
 			return false;
 		}
 
@@ -357,7 +390,7 @@ public class BuyRegion extends GeneralRegion {
 			getFriendsFeature().clearFriends();
 			double resellPrice = getResellPrice();
 			// Transfer the money to the previous owner
-			EconomyResponse r = plugin.getEconomy().withdrawPlayer(offlinePlayer, getWorldName(), getResellPrice());
+			EconomyResponse r = economy.withdrawPlayer(offlinePlayer, getWorldName(), getResellPrice());
 			if(!r.transactionSuccess()) {
 				message(offlinePlayer, "buy-payError");
 				AreaShop.debug("Something went wrong with getting money from " + offlinePlayer.getName() + " while buying " + getName() + ": " + r.errorMessage);
@@ -366,11 +399,11 @@ public class BuyRegion extends GeneralRegion {
 			r = null;
 			OfflinePlayer oldOwnerPlayer = Bukkit.getOfflinePlayer(oldOwner);
 			String oldOwnerName = getPlayerName();
-			if(oldOwnerPlayer.hasPlayedBefore() && oldOwnerPlayer.getName() != null) {
-				r = plugin.getEconomy().depositPlayer(oldOwnerPlayer, getWorldName(), getResellPrice());
+			if(oldOwnerPlayer != null && oldOwnerPlayer.getName() != null) {
+				r = economy.depositPlayer(oldOwnerPlayer, getWorldName(), getResellPrice());
 				oldOwnerName = oldOwnerPlayer.getName();
 			} else if(oldOwnerName != null) {
-				r = plugin.getEconomy().depositPlayer(oldOwnerName, getWorldName(), getResellPrice());
+				r = economy.depositPlayer(oldOwnerName, getWorldName(), getResellPrice());
 			}
 			if(r == null || !r.transactionSuccess()) {
 				AreaShop.warn("Something went wrong with paying '" + oldOwnerName + "' " + getFormattedPrice() + " for his resell of region " + getName() + " to " + offlinePlayer.getName());
@@ -404,7 +437,7 @@ public class BuyRegion extends GeneralRegion {
 			}
 
 			// Substract the money from the players balance
-			EconomyResponse r = plugin.getEconomy().withdrawPlayer(offlinePlayer, getWorldName(), getPrice());
+			EconomyResponse r = economy.withdrawPlayer(offlinePlayer, getWorldName(), getPrice());
 			if(!r.transactionSuccess()) {
 				message(offlinePlayer, "buy-payError");
 				return false;
@@ -417,9 +450,9 @@ public class BuyRegion extends GeneralRegion {
 			String landlordName = getLandlordName();
 			if(landlordName != null) {
 				if(landlordPlayer != null && landlordPlayer.getName() != null) {
-					r = plugin.getEconomy().depositPlayer(landlordPlayer, getWorldName(), getPrice());
+					r = economy.depositPlayer(landlordPlayer, getWorldName(), getPrice());
 				} else {
-					r = plugin.getEconomy().depositPlayer(landlordName, getWorldName(), getPrice());
+					r = economy.depositPlayer(landlordName, getWorldName(), getPrice());
 				}
 				if(r != null && !r.transactionSuccess()) {
 					AreaShop.warn("Something went wrong with paying '" + landlordName + "' " + getFormattedPrice() + " for his sell of region " + getName() + " to " + offlinePlayer.getName());
@@ -450,7 +483,7 @@ public class BuyRegion extends GeneralRegion {
 	 */
 	@SuppressWarnings("deprecation")
 	public boolean sell(boolean giveMoneyBack, CommandSender executor) {
-		boolean own = executor instanceof Player && this.isBuyer((Player)executor);
+		boolean own = executor instanceof Player player && this.isBuyer(player);
 		if(executor != null) {
 			if(!executor.hasPermission("areashop.sell") && !own) {
 				message(executor, "sell-noPermissionOther");
@@ -469,7 +502,7 @@ public class BuyRegion extends GeneralRegion {
 			}
 		}
 
-		if(plugin.getEconomy() == null) {
+		if(economy == null) {
 			return false;
 		}
 
@@ -494,9 +527,9 @@ public class BuyRegion extends GeneralRegion {
 			EconomyResponse r;
 			if(landlordName != null) {
 				if(landlordPlayer != null && landlordPlayer.getName() != null) {
-					r = plugin.getEconomy().withdrawPlayer(landlordPlayer, getWorldName(), moneyBack);
+					r = economy.withdrawPlayer(landlordPlayer, getWorldName(), moneyBack);
 				} else {
-					r = plugin.getEconomy().withdrawPlayer(landlordName, getWorldName(), moneyBack);
+					r = economy.withdrawPlayer(landlordName, getWorldName(), moneyBack);
 				}
 				if(r == null || !r.transactionSuccess()) {
 					noPayBack = true;
@@ -505,14 +538,14 @@ public class BuyRegion extends GeneralRegion {
 
 			// Give back the money
 			OfflinePlayer player = Bukkit.getOfflinePlayer(getBuyer());
-			if(player != null && !noPayBack) {
+			if(player.hasPlayedBefore() && !noPayBack) {
 				EconomyResponse response = null;
 				boolean error = false;
 				try {
 					if(player.getName() != null) {
-						response = plugin.getEconomy().depositPlayer(player, getWorldName(), moneyBack);
+						response = economy.depositPlayer(player, getWorldName(), moneyBack);
 					} else if(getPlayerName() != null) {
-						response = plugin.getEconomy().depositPlayer(getPlayerName(), getWorldName(), moneyBack);
+						response = economy.depositPlayer(getPlayerName(), getWorldName(), moneyBack);
 					}
 				} catch(Exception e) {
 					error = true;

AreaShop/src/main/java/me/wiefferink/areashop/regions/ImportJob.java

@@ -1,16 +1,17 @@
-package me.wiefferink.areashop.commands;
+package me.wiefferink.areashop.regions;
 
 import com.google.common.base.Charsets;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
 import com.sk89q.worldguard.protection.managers.RegionManager;
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.events.ask.AddingRegionEvent;
 import me.wiefferink.areashop.features.signs.RegionSign;
-import me.wiefferink.areashop.features.signs.SignsFeature;
-import me.wiefferink.areashop.regions.BuyRegion;
-import me.wiefferink.areashop.regions.GeneralRegion;
-import me.wiefferink.areashop.regions.RegionGroup;
-import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.features.signs.SignManager;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.OfflinePlayer;
@@ -20,33 +21,52 @@ import org.bukkit.command.ConsoleCommandSender;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 
+import javax.annotation.Nonnull;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.UUID;
 
 public class ImportJob {
 
 	private final AreaShop plugin;
+	private final IFileManager fileManager;
+	private final SignManager signManager;
+	private final WorldGuardInterface worldGuardInterface;
 	private final CommandSender sender;
+	private final MessageBridge messageBridge;
+	private final RegionFactory regionFactory;
 
 	/**
 	 * Create and execute the import.
 	 * @param sender CommandSender that should receive progress updates
 	 */
-	public ImportJob(CommandSender sender) {
+	@AssistedInject
+	ImportJob(
+			@Nonnull AreaShop plugin,
+			@Nonnull IFileManager fileManager,
+			@Nonnull SignManager signManager,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nonnull MessageBridge messageBridge,
+			@Nonnull RegionFactory regionFactory,
+			@Assisted @Nonnull CommandSender sender) {
+		this.regionFactory = regionFactory;
 		this.sender = sender;
-		this.plugin = AreaShop.getInstance();
-		execute();
+		this.plugin = plugin;
+		this.signManager = signManager;
+		this.fileManager = fileManager;
+		this.worldGuardInterface = worldGuardInterface;
+		this.messageBridge = messageBridge;
 	}
 
 	/**
 	 * Execute the job.
 	 */
-	private void execute() {
+	public void execute() {
 		// Check for RegionForSale data
 		File regionForSaleFolder = new File(plugin.getDataFolder().getParentFile().getAbsolutePath(), "RegionForSale");
 		if(!regionForSaleFolder.exists()) {
@@ -70,8 +90,8 @@ public class ImportJob {
 		message("import-start");
 
 		// Group with settings for all imported regions
-		RegionGroup regionForSaleGroup = new RegionGroup(plugin, "RegionForSale");
-		plugin.getFileManager().addGroup(regionForSaleGroup);
+		RegionGroup regionForSaleGroup = regionFactory.createRegionGroup("RegionForSale");
+		fileManager.addGroup(regionForSaleGroup);
 
 		// Import /RegionForSale/config.yml settings
 		File regionForSaleConfigFile = new File(regionForSaleFolder.getAbsolutePath(), "config.yml");
@@ -149,11 +169,11 @@ public class ImportJob {
 				worldConfig = new YamlConfiguration();
 			} else {
 				// RegionGroup with all world settings
-				RegionGroup worldGroup = new RegionGroup(plugin, "RegionForSale-" + worldFolder.getName());
+				RegionGroup worldGroup = regionFactory.createRegionGroup("RegionForSale-" + worldFolder.getName());
 				importRegionSettings(worldConfig, worldGroup.getSettings(), null, false);
 				worldGroup.setSetting("priority", 1);
 				worldGroup.addWorld(worldFolder.getName());
-				plugin.getFileManager().addGroup(regionForSaleGroup);
+				fileManager.addGroup(regionForSaleGroup);
 				worldGroup.saveRequired();
 			}
 
@@ -185,7 +205,7 @@ public class ImportJob {
 					}
 
 					// Import parent region settings into a RegionGroup
-					RegionGroup parentRegionGroup = new RegionGroup(plugin, "RegionForSale-" + worldFolder.getName() + "-" + parentRegionName);
+					RegionGroup parentRegionGroup = regionFactory.createRegionGroup( "RegionForSale-" + worldFolder.getName() + "-" + parentRegionName);
 					importRegionSettings(parentRegionSection, parentRegionGroup.getSettings(), null, false);
 					parentRegionGroup.setSetting("priority", 2 + parentRegionSection.getLong("info.priority", 0));
 					parentRegionGroup.saveRequired();
@@ -197,7 +217,7 @@ public class ImportJob {
 
 			// Read and import regions
 			for(String regionKey : regions.getKeys(false)) {
-				GeneralRegion existingRegion = plugin.getFileManager().getRegion(regionKey);
+				GeneralRegion existingRegion = fileManager.getRegion(regionKey);
 				if(existingRegion != null) {
 					if(world.getName().equalsIgnoreCase(existingRegion.getWorldName())) {
 						messageNoPrefix("import-alreadyAdded", regionKey);
@@ -240,9 +260,9 @@ public class ImportJob {
 				// Create region
 				GeneralRegion region;
 				if(rentable || (owner != null && !isBought)) {
-					region = new RentRegion(regionKey, world);
+					region = regionFactory.createRentRegion(regionKey, world);
 				} else {
-					region = new BuyRegion(regionKey, world);
+					region = regionFactory.createBuyRegion(regionKey, world);
 				}
 				AddingRegionEvent event = plugin.getFileManager().addRegion(region);
 				if (event.isCancelled()) {
@@ -259,16 +279,16 @@ public class ImportJob {
 				if(owner != null) {
 					@SuppressWarnings("deprecation")
 					OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayer(owner);
-					if(offlinePlayer != null) {
+					if(offlinePlayer.hasPlayedBefore()) {
 						existing.add(offlinePlayer.getUniqueId());
 					}
 				}
-				for(UUID uuid : plugin.getWorldGuardHandler().getOwners(worldGuardRegion).asUniqueIdList()) {
+				for(UUID uuid : worldGuardInterface.getOwners(worldGuardRegion).asUniqueIdList()) {
 					if(!existing.contains(uuid)) {
 						existing.add(uuid);
 					}
 				}
-				for(UUID uuid : plugin.getWorldGuardHandler().getMembers(worldGuardRegion).asUniqueIdList()) {
+				for(UUID uuid : worldGuardInterface.getMembers(worldGuardRegion).asUniqueIdList()) {
 					if(!existing.contains(uuid)) {
 						existing.add(uuid);
 					}
@@ -290,9 +310,9 @@ public class ImportJob {
 		}
 
 		// Update all regions
-		plugin.getFileManager().updateAllRegions(sender);
+		fileManager.updateAllRegions(sender);
 		// Write all imported regions and settings to disk
-		plugin.getFileManager().saveRequiredFiles();
+		fileManager.saveRequiredFiles();
 	}
 
 	/**
@@ -373,8 +393,7 @@ public class ImportJob {
 
 		// Set rented until
 		if(from.isLong("info.last-withdrawal")
-				&& region instanceof RentRegion) {
-			RentRegion rentRegion = (RentRegion)region;
+				&& region instanceof RentRegion rentRegion) {
 			long lastWithdrawal = from.getLong("info.last-withdrawal");
 			// Because the rental duration is already imported into the region and its parents this should be correct
 			rentRegion.setRentedUntil(lastWithdrawal + rentRegion.getDuration());
@@ -399,8 +418,9 @@ public class ImportJob {
 				}
 
 				// Check if this location is already added to a region
-				RegionSign regionSign = SignsFeature.getSignByLocation(location);
-				if(regionSign != null) {
+				Optional<RegionSign> optionalRegionSign = signManager.signFromLocation(location);
+				if(optionalRegionSign.isPresent()) {
+					RegionSign regionSign = optionalRegionSign.get();
 					if(!regionSign.getRegion().equals(region)) {
 						message("import-signAlreadyAdded", region.getName(), signLocation, regionSign.getRegion().getName());
 					}
@@ -424,7 +444,7 @@ public class ImportJob {
 		}
 	}
 
-	private static final List<TimeUnit> timeUnitLookup = new ArrayList<TimeUnit>() {
+	private static final List<TimeUnit> timeUnitLookup = new ArrayList<>() {
 		{
 			add(new TimeUnit(60 * 24 * 30 * 12, "year"));
 			add(new TimeUnit(60 * 24 * 30, "month"));
@@ -459,10 +479,10 @@ public class ImportJob {
 	 * @param replacements The replacements to insert in the message
 	 */
 	public void messageNoPrefix(String key, Object... replacements) {
-		plugin.messageNoPrefix(sender, key, replacements);
+		messageBridge.messageNoPrefix(sender, key, replacements);
 
 		if(!(sender instanceof ConsoleCommandSender)) {
-			plugin.messageNoPrefix(Bukkit.getConsoleSender(), key, replacements);
+			messageBridge.messageNoPrefix(Bukkit.getConsoleSender(), key, replacements);
 		}
 	}
 
@@ -472,10 +492,10 @@ public class ImportJob {
 	 * @param replacements The replacements to insert in the message
 	 */
 	public void message(String key, Object... replacements) {
-		plugin.message(sender, key, replacements);
+		messageBridge.message(sender, key, replacements);
 
 		if(!(sender instanceof ConsoleCommandSender)) {
-			plugin.message(Bukkit.getConsoleSender(), key, replacements);
+			messageBridge.message(Bukkit.getConsoleSender(), key, replacements);
 		}
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/regions/ImportJobFactory.java

@@ -0,0 +1,11 @@
+package me.wiefferink.areashop.regions;
+
+import org.bukkit.command.CommandSender;
+
+import javax.annotation.Nonnull;
+
+public interface ImportJobFactory {
+
+    @Nonnull ImportJob createImportJob(@Nonnull CommandSender commandSender);
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/regions/RegionFactory.java

@@ -0,0 +1,20 @@
+package me.wiefferink.areashop.regions;
+
+import org.bukkit.World;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+import javax.annotation.Nonnull;
+
+public interface RegionFactory {
+
+    @Nonnull BuyRegion createBuyRegion(@Nonnull YamlConfiguration yamlConfiguration);
+
+    @Nonnull BuyRegion createBuyRegion(@Nonnull String name, @Nonnull World world);
+
+    @Nonnull RentRegion createRentRegion(@Nonnull YamlConfiguration yamlConfiguration);
+
+    @Nonnull RentRegion createRentRegion(@Nonnull String name, @Nonnull World world);
+
+    @Nonnull RegionGroup createRegionGroup(@Nonnull String name);
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/regions/RegionGroup.java

@@ -1,9 +1,13 @@
 package me.wiefferink.areashop.regions;
 
-import me.wiefferink.areashop.AreaShop;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
+import me.wiefferink.areashop.managers.IFileManager;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.plugin.Plugin;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Set;
@@ -11,7 +15,8 @@ import java.util.Set;
 // TODO consider switching to saving lowercase regions
 public class RegionGroup {
 
-	private final AreaShop plugin;
+	private final Plugin plugin;
+	private final IFileManager fileManager;
 	private final String name;
 	private final Set<String> regions;
 	private Set<String> autoRegions;
@@ -23,8 +28,10 @@ public class RegionGroup {
 	 * @param plugin The AreaShop plugin
 	 * @param name   Name of the group, has to be unique
 	 */
-	public RegionGroup(AreaShop plugin, String name) {
+	@AssistedInject
+	RegionGroup(@Nonnull Plugin plugin, @Nonnull IFileManager fileManager, @Assisted String name) {
 		this.plugin = plugin;
+		this.fileManager = fileManager;
 		this.name = name;
 		this.autoDirty = true;
 		setSetting("name", name);
@@ -41,7 +48,7 @@ public class RegionGroup {
 	public Set<String> getAutoRegions() {
 		if(autoDirty) {
 			autoRegions = new HashSet<>();
-			for(GeneralRegion region : plugin.getFileManager().getRegions()) {
+			for(GeneralRegion region : fileManager.getRegionsRef()) {
 				if(worlds.contains(region.getWorldName())) {
 					autoRegions.add(region.getName());
 				}
@@ -149,7 +156,7 @@ public class RegionGroup {
 	public Set<GeneralRegion> getMemberRegions() {
 		Set<GeneralRegion> result = new HashSet<>();
 		for(String playerName : getMembers()) {
-			result.add(plugin.getFileManager().getRegion(playerName));
+			result.add(fileManager.getRegion(playerName));
 		}
 		return result;
 	}
@@ -192,7 +199,7 @@ public class RegionGroup {
 	 * @return The ConfigurationSection with the settings of the group
 	 */
 	public ConfigurationSection getSettings() {
-		ConfigurationSection result =  plugin.getFileManager().getGroupSettings(name);
+		ConfigurationSection result =  fileManager.getGroupSettings(name);
 		if(result != null) {
 			return result;
 		} else {
@@ -206,20 +213,20 @@ public class RegionGroup {
 	 * @param setting The value to set
 	 */
 	public void setSetting(String path, Object setting) {
-		plugin.getFileManager().setGroupSetting(this, path, setting);
+		fileManager.setGroupSetting(this, path, setting);
 	}
 
 	/**
 	 * Indicates this file needs to be saved, will actually get saved later by a task.
 	 */
 	public void saveRequired() {
-		plugin.getFileManager().saveGroupsIsRequired();
+		fileManager.saveGroupsIsRequired();
 	}
 
 	/**
 	 * Save the groups to disk now, normally saveRequired() is preferred because of performance.
 	 */
 	public void saveNow() {
-		plugin.getFileManager().saveGroupsNow();
+		fileManager.saveGroupsNow();
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/regions/RegionModule.java

@@ -0,0 +1,12 @@
+package me.wiefferink.areashop.regions;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.assistedinject.FactoryModuleBuilder;
+
+public class RegionModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        install(new FactoryModuleBuilder().build(RegionFactory.class));
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/regions/RentRegion.java

@@ -1,11 +1,17 @@
 package me.wiefferink.areashop.regions;
 
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.ask.RentingRegionEvent;
 import me.wiefferink.areashop.events.ask.UnrentingRegionEvent;
 import me.wiefferink.areashop.events.notify.RentedRegionEvent;
 import me.wiefferink.areashop.events.notify.UnrentedRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.FeatureManager;
 import me.wiefferink.areashop.tools.Utils;
+import net.milkbowl.vault.economy.Economy;
 import net.milkbowl.vault.economy.EconomyResponse;
 import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
@@ -15,6 +21,8 @@ import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Date;
@@ -24,14 +32,25 @@ import java.util.UUID;
 import static me.wiefferink.areashop.tools.Utils.millisToHumanFormat;
 
 public class RentRegion extends GeneralRegion {
-	private long warningsDoneUntil = Calendar.getInstance().getTimeInMillis();
+
+	private long warningsDoneUntil = System.currentTimeMillis();
+	private final Economy economy;
 
 	/**
 	 * Constructor.
 	 * @param config All settings of this region
 	 */
-	public RentRegion(YamlConfiguration config) {
-		super(config);
+	@AssistedInject
+	RentRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nullable Economy economy,
+			@Assisted @Nonnull YamlConfiguration config
+	) {
+		super(plugin, featureManager, worldEditInterface, worldGuardInterface, config);
+		this.economy = economy;
 	}
 
 	/**
@@ -39,8 +58,34 @@ public class RentRegion extends GeneralRegion {
 	 * @param name  The name of the region (correct casing)
 	 * @param world The world of the WorldGuard region
 	 */
-	public RentRegion(String name, World world) {
-		super(name, world);
+	@AssistedInject
+	RentRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nullable Economy economy,
+			@Assisted @Nonnull String name,
+			@Assisted @Nonnull World world
+	) {
+		super(plugin, featureManager, worldEditInterface, worldGuardInterface, name, world);
+		this.economy = economy;
+	}
+
+
+	@Override
+	public boolean isOwner(UUID player) {
+		return isRenter(player);
+	}
+
+	@Override
+	public UUID getOwner() {
+		return getRenter();
+	}
+
+	@Override
+	public void setOwner(UUID player) {
+		setRenter(player);
 	}
 
 	@Override
@@ -136,43 +181,28 @@ public class RentRegion extends GeneralRegion {
 
 	@Override
 	public Object provideReplacement(String variable) {
-		switch(variable) {
-			case AreaShop.tagPrice:
-				return getFormattedPrice();
-			case AreaShop.tagRawPrice:
-				return getPrice();
-			case AreaShop.tagDuration:
-				return getDurationString();
-			case AreaShop.tagPlayerName:
-				return getPlayerName();
-			case AreaShop.tagPlayerUUID:
-				return getRenter();
-			case AreaShop.tagRentedUntil:
-				return new SimpleDateFormat(plugin.getConfig().getString("timeFormatChat")).format(new Date(getRentedUntil()));
-			case AreaShop.tagRentedUntilShort:
-				return new SimpleDateFormat(plugin.getConfig().getString("timeFormatSign")).format(new Date(getRentedUntil()));
-			case AreaShop.tagTimeLeft:
-				return getTimeLeftString();
-			case AreaShop.tagMoneyBackAmount:
-				return getFormattedMoneyBackAmount();
-			case AreaShop.tagRawMoneyBackAmount:
-				return getMoneyBackAmount();
-			case AreaShop.tagMoneyBackPercentage:
-				return (getMoneyBackPercentage() % 1.0) == 0.0 ? (int)getMoneyBackPercentage() : getMoneyBackPercentage();
-			case AreaShop.tagTimesExtended:
-				return this.getTimesExtended();
-			case AreaShop.tagMaxExtends:
-				return this.getMaxExtends();
-			case AreaShop.tagExtendsLeft:
-				return getMaxExtends() - getTimesExtended();
-			case AreaShop.tagMaxRentTime:
-				return millisToHumanFormat(getMaxRentTime());
-			case AreaShop.tagMaxInactiveTime:
-				return this.getFormattedInactiveTimeUntilUnrent();
-
-			default:
-				return super.provideReplacement(variable);
-		}
+		return switch (variable) {
+			case AreaShop.tagPrice -> getFormattedPrice();
+			case AreaShop.tagRawPrice -> getPrice();
+			case AreaShop.tagDuration -> getDurationString();
+			case AreaShop.tagPlayerName -> getPlayerName();
+			case AreaShop.tagPlayerUUID -> getRenter();
+			case AreaShop.tagRentedUntil ->
+					new SimpleDateFormat(plugin.getConfig().getString("timeFormatChat")).format(new Date(getRentedUntil()));
+			case AreaShop.tagRentedUntilShort ->
+					new SimpleDateFormat(plugin.getConfig().getString("timeFormatSign")).format(new Date(getRentedUntil()));
+			case AreaShop.tagTimeLeft -> getTimeLeftString();
+			case AreaShop.tagMoneyBackAmount -> getFormattedMoneyBackAmount();
+			case AreaShop.tagRawMoneyBackAmount -> getMoneyBackAmount();
+			case AreaShop.tagMoneyBackPercentage ->
+					(getMoneyBackPercentage() % 1.0) == 0.0 ? (int) getMoneyBackPercentage() : getMoneyBackPercentage();
+			case AreaShop.tagTimesExtended -> this.getTimesExtended();
+			case AreaShop.tagMaxExtends -> this.getMaxExtends();
+			case AreaShop.tagExtendsLeft -> getMaxExtends() - getTimesExtended();
+			case AreaShop.tagMaxRentTime -> millisToHumanFormat(getMaxRentTime());
+			case AreaShop.tagMaxInactiveTime -> this.getFormattedInactiveTimeUntilUnrent();
+			default -> super.provideReplacement(variable);
+		};
 	}
 
 	/**
@@ -428,7 +458,7 @@ public class RentRegion extends GeneralRegion {
 	 * @return true if it succeeded and false if not
 	 */
 	public boolean rent(OfflinePlayer offlinePlayer) {
-		if(plugin.getEconomy() == null) {
+		if(economy == null) {
 			message(offlinePlayer, "general-noEconomy");
 			return false;
 		}
@@ -540,11 +570,11 @@ public class RentRegion extends GeneralRegion {
 		}
 
 		// Check if the player has enough money
-		if(!plugin.getEconomy().has(offlinePlayer, getWorldName(), price)) {
+		if(!economy.has(offlinePlayer, getWorldName(), price)) {
 			if(extend) {
-				message(offlinePlayer, "rent-lowMoneyExtend", Utils.formatCurrency(plugin.getEconomy().getBalance(offlinePlayer, getWorldName())));
+				message(offlinePlayer, "rent-lowMoneyExtend", Utils.formatCurrency(economy.getBalance(offlinePlayer, getWorldName())));
 			} else {
-				message(offlinePlayer, "rent-lowMoneyRent", Utils.formatCurrency(plugin.getEconomy().getBalance(offlinePlayer, getWorldName())));
+				message(offlinePlayer, "rent-lowMoneyRent", Utils.formatCurrency(economy.getBalance(offlinePlayer, getWorldName())));
 			}
 			return false;
 		}
@@ -558,7 +588,7 @@ public class RentRegion extends GeneralRegion {
 		}
 
 		// Substract the money from the players balance
-		EconomyResponse r = plugin.getEconomy().withdrawPlayer(offlinePlayer, getWorldName(), price);
+		EconomyResponse r = economy.withdrawPlayer(offlinePlayer, getWorldName(), price);
 		if(!r.transactionSuccess()) {
 			message(offlinePlayer, "rent-payError");
 			AreaShop.debug("Something went wrong with getting money from " + offlinePlayer.getName() + " while renting " + getName() + ": " + r.errorMessage);
@@ -572,9 +602,9 @@ public class RentRegion extends GeneralRegion {
 		String landlordName = getLandlordName();
 		if(landlordName != null) {
 			if(landlordPlayer != null && landlordPlayer.getName() != null) {
-				r = plugin.getEconomy().depositPlayer(landlordPlayer, getWorldName(), price);
+				r = economy.depositPlayer(landlordPlayer, getWorldName(), price);
 			} else {
-				r = plugin.getEconomy().depositPlayer(landlordName, getWorldName(), price);
+				r = economy.depositPlayer(landlordName, getWorldName(), price);
 			}
 			if(r == null || !r.transactionSuccess()) {
 				AreaShop.warn("Something went wrong with paying '" + landlordName + "' " + Utils.formatCurrency(price) + " for his rent of region " + getName() + " to " + offlinePlayer.getName());
@@ -638,15 +668,15 @@ public class RentRegion extends GeneralRegion {
 			}
 		}
 
-		if(plugin.getEconomy() == null) {
+		if(economy == null) {
 			return false;
 		}
 
 		// Broadcast and check event
-		UnrentingRegionEvent event = new UnrentingRegionEvent(this);
-		Bukkit.getPluginManager().callEvent(event);
-		if(event.isCancelled()) {
-			message(executor, "general-cancelled", event.getReason());
+		UnrentingRegionEvent unrentingRegionEvent = new UnrentingRegionEvent(this);
+		Bukkit.getPluginManager().callEvent(unrentingRegionEvent);
+		if(unrentingRegionEvent.isCancelled()) {
+			message(executor, "general-cancelled", unrentingRegionEvent.getReason());
 			return false;
 		}
 
@@ -662,9 +692,9 @@ public class RentRegion extends GeneralRegion {
 			EconomyResponse r;
 			if(landlordName != null) {
 				if(landlordPlayer != null && landlordPlayer.getName() != null) {
-					r = plugin.getEconomy().withdrawPlayer(landlordPlayer, getWorldName(), moneyBack);
+					r = economy.withdrawPlayer(landlordPlayer, getWorldName(), moneyBack);
 				} else {
-					r = plugin.getEconomy().withdrawPlayer(landlordName, getWorldName(), moneyBack);
+					r = economy.withdrawPlayer(landlordName, getWorldName(), moneyBack);
 				}
 				if(r == null || !r.transactionSuccess()) {
 					noPayBack = true;
@@ -678,9 +708,9 @@ public class RentRegion extends GeneralRegion {
 				boolean error = false;
 				try {
 					if(player.getName() != null) {
-						r = plugin.getEconomy().depositPlayer(player, getWorldName(), moneyBack);
+						r = economy.depositPlayer(player, getWorldName(), moneyBack);
 					} else if(getPlayerName() != null) {
-						r = plugin.getEconomy().depositPlayer(getPlayerName(), getWorldName(), moneyBack);
+						r = economy.depositPlayer(getPlayerName(), getWorldName(), moneyBack);
 					}
 				} catch(Exception e) {
 					error = true;
@@ -700,13 +730,17 @@ public class RentRegion extends GeneralRegion {
 		// Remove friends, the owner and renteduntil values
 		getFriendsFeature().clearFriends();
 		UUID oldRenter = getRenter();
-		setRenter(null);
 		setRentedUntil(null);
 		setTimesExtended(-1);
 		removeLastActiveTime();
 
 		// Notify about updates
-		this.notifyAndUpdate(new UnrentedRegionEvent(this, oldRenter, Math.max(0, moneyBack)));
+		Bukkit.getPluginManager().callEvent(new UnrentedRegionEvent(this, oldRenter, Math.max(0, moneyBack)));
+		// Placed here so when event is passed, the player renting can still be accessed
+		setRenter(null);
+		// Update world (has to be after setting renter to null)
+		this.update();
+
 		return true;
 	}
 

AreaShop/src/main/java/me/wiefferink/areashop/tools/AdventureMessageBridge.java

@@ -0,0 +1,45 @@
+package me.wiefferink.areashop.tools;
+
+import io.github.md5sha256.areashop.AdventureMessageRenderer;
+import io.github.md5sha256.areashop.MessageWrapper;
+import me.wiefferink.areashop.MessageBridge;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+
+public class AdventureMessageBridge implements MessageBridge {
+    private final AdventureMessageRenderer messageRenderer;
+
+
+    public AdventureMessageBridge(AdventureMessageRenderer messageRenderer) {
+        this.messageRenderer = messageRenderer;
+    }
+
+    @Override
+    public void message(Object target, MessageWrapper message) {
+        if (!(target instanceof Audience audience)) {
+            return;
+        }
+        String miniMessage = message.toMiniMessage(this.messageRenderer);
+        audience.sendMessage(MiniMessage.miniMessage().deserialize(miniMessage));
+    }
+
+    @Override
+    public void messageNoPrefix(Object target, String key, Object... replacements) {
+        if (!(target instanceof Audience audience)) {
+            return;
+        }
+        audience.sendMessage(this.messageRenderer.renderMessageFromKey(key, replacements));
+    }
+
+    @Override
+    public void message(Object target, String key, Object... replacements) {
+        if (!(target instanceof Audience audience)) {
+            return;
+        }
+        Component message = this.messageRenderer.renderMessageFromKey(key, replacements);
+        Component prefix = this.messageRenderer.renderedChatPrefix();
+        Component prefixedMessage = prefix.append(message);
+        audience.sendMessage(prefixedMessage);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/BukkitSchedulerExecutor.java

@@ -0,0 +1,26 @@
+package me.wiefferink.areashop.tools;
+
+
+import jakarta.inject.Inject;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.scheduler.BukkitScheduler;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.concurrent.Executor;
+
+public class BukkitSchedulerExecutor implements Executor {
+
+    private final Plugin plugin;
+    private final BukkitScheduler scheduler;
+
+    @Inject
+    public BukkitSchedulerExecutor(@NotNull Plugin plugin, @NotNull BukkitScheduler scheduler) {
+        this.plugin = plugin;
+        this.scheduler = scheduler;
+    }
+
+    @Override
+    public void execute(@NotNull Runnable command) {
+        this.scheduler.runTask(this.plugin, command);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/ForwardingMessageBridge.java

@@ -0,0 +1,40 @@
+package me.wiefferink.areashop.tools;
+
+import io.github.md5sha256.areashop.MessageWrapper;
+import me.wiefferink.areashop.MessageBridge;
+
+public class ForwardingMessageBridge implements MessageBridge {
+
+    private MessageBridge delegate;
+
+    public ForwardingMessageBridge() {
+    }
+
+    public void delegate(MessageBridge messageBridge) {
+        this.delegate = messageBridge;
+    }
+
+    @Override
+    public void messageNoPrefix(Object target, String key, Object... replacements) {
+        if (this.delegate == null) {
+            return;
+        }
+        this.delegate.messageNoPrefix(target, key, replacements);
+    }
+
+    @Override
+    public void message(Object target, String key, Object... replacements) {
+        if (this.delegate == null) {
+            return;
+        }
+        this.delegate.message(target, key, replacements);
+    }
+
+    @Override
+    public void message(Object target, MessageWrapper message) {
+        if (this.delegate == null) {
+            return;
+        }
+        this.delegate.message(target, message);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/GithubUpdateCheck.java

@@ -1,11 +1,11 @@
 package me.wiefferink.areashop.tools;
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import com.google.gson.JsonObject;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.exception.ExceptionUtils;
 import org.bukkit.plugin.Plugin;
+import org.bukkit.scheduler.BukkitRunnable;
+import org.json.simple.JSONObject;
+import org.json.simple.JSONValue;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -18,242 +18,234 @@ import java.util.logging.Logger;
 
 public class GithubUpdateCheck {
 
-    public static final String API_HOST = "https://api.github.com/repos";
-    public static final String API_LATEST_RELEASE = "releases/latest";
-    public static final String USER_AGENT = "GithubUpdateCheck by NLThijs48";
-    public static final boolean DEBUG = false;
-    private static final Gson GSON = new GsonBuilder().create();
+	public static final String API_HOST = "https://api.github.com/repos";
+	public static final String API_LATEST_RELEASE = "releases/latest";
+	public static final String USER_AGENT = "GithubUpdateCheck by NLThijs48";
+	public static final boolean DEBUG = false;
 
-    private final String author;
-    private final String repository;
-    private final Plugin plugin;
-    private final Logger logger;
-    private final String currentVersion;
-    private URL url;
-    private VersionComparator versionComparator;
-    // Status
-    private boolean checking;
-    private boolean error;
-    private boolean hasUpdate;
-    private String latestVersion;
+	private final String author;
+	private final String repository;
+	private final Plugin plugin;
+	private final Logger logger;
+	private URL url;
+	private VersionComparator versionComparator;
 
-    /**
-     * Create a new GithubUpdateCheck with the required information.
-     *
-     * @param plugin     The plugin to create it for (used for logging and checking version)
-     * @param author     The author of the plugin as used on Github
-     * @param repository The repository name of the plugin on Github
-     */
-    public GithubUpdateCheck(Plugin plugin, String author, String repository) {
-        this.plugin = plugin;
-        this.logger = plugin.getLogger();
-        this.author = author;
-        this.repository = repository;
-        this.currentVersion = plugin.getDescription().getVersion();
-        this.versionComparator = (latest, current) ->
-                !latest.equalsIgnoreCase(current);
+	// Status
+	private boolean checking;
+	private boolean error;
+	private boolean hasUpdate;
+	private String latestVersion;
+	private final String currentVersion;
 
-        this.checking = false;
-        this.error = false;
-        this.hasUpdate = false;
-    }
+	/**
+	 * Create a new GithubUpdateCheck with the required information.
+	 * @param plugin            The plugin to create it for (used for logging and checking version)
+	 * @param author            The author of the plugin as used on Github
+	 * @param repository        The repository name of the plugin on Github
+	 */
+	public GithubUpdateCheck(Plugin plugin, String author, String repository) {
+		this.plugin = plugin;
+		this.logger = plugin.getLogger();
+		this.author = author;
+		this.repository = repository;
+		this.currentVersion = plugin.getDescription().getVersion();
+		this.versionComparator = (latest, current) ->
+				!latest.equalsIgnoreCase(current);
 
-    /**
-     * Change the version comparator.
-     *
-     * @param versionComparator VersionComparator to use for checking if one version is newer than the other
-     * @return this
-     */
-    public GithubUpdateCheck withVersionComparator(VersionComparator versionComparator) {
-        this.versionComparator = versionComparator;
-        return this;
-    }
+		this.checking = false;
+		this.error = false;
+		this.hasUpdate = false;
+	}
 
-    /**
-     * Check if an update is available.
-     */
-    public void checkUpdate() {
-        checkUpdate(null);
-    }
+	/**
+	 * Change the version comparator.
+	 * @param versionComparator VersionComparator to use for checking if one version is newer than the other
+	 * @return this
+	 */
+	public GithubUpdateCheck withVersionComparator(VersionComparator versionComparator) {
+		this.versionComparator = versionComparator;
+		return this;
+	}
 
-    /**
-     * Check if an update is available.
-     *
-     * @param callback Callback to execute when the update check is done
-     * @return GithubUpdateCheck containing the status of the check
-     */
-    public GithubUpdateCheck checkUpdate(UpdateCallback callback) {
-        checking = true;
-        final GithubUpdateCheck self = this;
-        // Check for update on async thread
-        Utils.newChain()
-             .async(() -> {
-                        try {
-                            try {
-                                String rawUrl = API_HOST + "/" + author + "/" + repository + "/" + API_LATEST_RELEASE;
-                                url = new URL(rawUrl);
-                            } catch (MalformedURLException e) {
-                                logger.severe("Invalid url: '" + url + "', are the author '" + author + "' and repository '" + repository + "' correct?");
-                                error = true;
-                                return;
-                            }
+	/**
+	 * Check if an update is available.
+	 */
+	public void checkUpdate() {
+		checkUpdate(null);
+	}
 
-                            try {
-                                URLConnection conn = url.openConnection();
-                                // Give up after 15 seconds
-                                conn.setConnectTimeout(15000);
-                                // Identify ourselves
-                                conn.addRequestProperty("User-Agent", USER_AGENT);
-                                // Make sure we access the correct api version
-                                conn.addRequestProperty("Accept", "application/vnd.github.v3+json");
-                                // We want to read the result
-                                conn.setDoOutput(true);
-                                // Open connection
-                                try (BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
-                                    String response = reader.readLine();
-                                    debug("Response:", response);
+	/**
+	 * Check if an update is available.
+	 * @param callback Callback to execute when the update check is done
+	 * @return GithubUpdateCheck containing the status of the check
+	 */
+	public GithubUpdateCheck checkUpdate(UpdateCallback callback) {
+		checking = true;
+		final GithubUpdateCheck self = this;
+		// Check for update on asyn thread
+		new BukkitRunnable() {
+			@Override
+			public void run() {
+				try {
+					try {
+						String rawUrl = API_HOST + "/" + author + "/" + repository + "/" + API_LATEST_RELEASE;
+						url = new URL(rawUrl);
+					} catch(MalformedURLException e) {
+						logger.severe("Invalid url: '" + url + "', are the author '" + author + "' and repository '" + repository + "' correct?");
+						error = true;
+						return;
+					}
 
-                                    JsonObject latestRelease = GSON.fromJson(response, JsonObject.class);
+					try {
+						URLConnection conn = url.openConnection();
+						// Give up after 15 seconds
+						conn.setConnectTimeout(15000);
+						// Identify ourselves
+						conn.addRequestProperty("User-Agent", USER_AGENT);
+						// Make sure we access the correct api version
+						conn.addRequestProperty("Accept", "application/vnd.github.v3+json");
+						// We want to read the result
+						conn.setDoOutput(true);
+						// Open connection
+						try(BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
+							String response = reader.readLine();
+							debug("Response:", response);
 
-                                    if (latestRelease.isJsonNull()) {
-                                        logger.warning("Failed to get api response from " + url);
-                                        error = true;
-                                        return;
-                                    }
-                                    debug("json: " + latestRelease.toString());
+							JSONObject latestRelease = (JSONObject)JSONValue.parse(response);
 
-                                    // Latest version
-                                    latestVersion = latestRelease.get("tag_name").getAsString();
-                                    debug("Tag name:", latestVersion);
+							if(latestRelease.isEmpty()) {
+								logger.warning("Failed to get api response from " + url);
+								error = true;
+								return;
+							}
+							debug("json: " + latestRelease.toJSONString());
 
-                                    // Current version
-                                    debug("Plugin version:", currentVersion);
+							// Latest version
+							latestVersion = (String)latestRelease.get("tag_name");
+							debug("Tag name:", latestVersion);
 
-                                    // Compare version
-                                    hasUpdate = versionComparator.isNewer(latestVersion, currentVersion);
-                                }
-                            } catch (IOException e) {
-                                logger.severe("Failed to get latest release:" + ExceptionUtils
-                                        .getStackTrace(e));
-                                error = true;
-                            } catch (ClassCastException e) {
-                                logger.info("Unexpected structure of the result, failed to parse it");
-                                error = true;
-                            }
-                        } finally {
-                            checking = false;
-                            debug("result:", self);
-                        }
-                    }
-             ).syncLast(x -> {
-            if (callback != null) {
-                callback.run(this);
-            }
-        }).execute();
-        return this;
-    }
+							// Current version
+							debug("Plugin version:", currentVersion);
 
-    /**
-     * Check if an update check is running.
-     *
-     * @return true if an update check is running
-     */
-    public boolean isChecking() {
-        return checking;
-    }
+							// Compare version
+							hasUpdate = versionComparator.isNewer(latestVersion, currentVersion);
+						}
+					} catch(IOException e) {
+						logger.severe("Failed to get latest release:" + ExceptionUtils.getStackTrace(e));
+						error = true;
+					} catch(ClassCastException e) {
+						logger.info("Unexpected structure of the result, failed to parse it");
+						error = true;
+					}
+				} finally {
+					checking = false;
+					debug("result:", self);
+					if(callback != null) {
+						// Switch back to main thread and call the callback
+						new BukkitRunnable() {
+							@Override
+							public void run() {
+								callback.run(self);
+							}
+						}.runTask(plugin);
+					}
+				}
+			}
+		}.runTaskAsynchronously(plugin);
+		return this;
+	}
 
-    /**
-     * Check if the update check failed.
-     *
-     * @return true if the update check failed (an error message has been logged)
-     */
-    public boolean hasFailed() {
-        return error;
-    }
+	/**
+	 * Check if an update check is running.
+	 * @return true if an update check is running
+	 */
+	public boolean isChecking() {
+		return checking;
+	}
 
-    /**
-     * Check if an update has been found.
-     *
-     * @return true if an update has been found
-     */
-    public boolean hasUpdate() {
-        return hasUpdate;
-    }
+	/**
+	 * Check if the update check failed.
+	 * @return true if the update check failed (an error message has been logged)
+	 */
+	public boolean hasFailed() {
+		return error;
+	}
 
-    /**
-     * Get the repository that this update checker is checking.
-     *
-     * @return Used repository
-     */
-    public String getRepository() {
-        return repository;
-    }
+	/**
+	 * Check if an update has been found.
+	 * @return true if an update has been found
+	 */
+	public boolean hasUpdate() {
+		return hasUpdate;
+	}
 
-    /**
-     * Get the author that this update checker is checking.
-     *
-     * @return Used author
-     */
-    public String getAuthor() {
-        return author;
-    }
+	/**
+	 * Get the repository that this update checker is checking.
+	 * @return Used repository
+	 */
+	public String getRepository() {
+		return repository;
+	}
 
-    /**
-     * Get the current version.
-     *
-     * @return Current version of the plugin
-     */
-    public String getCurrentVersion() {
-        return currentVersion;
-    }
+	/**
+	 * Get the author that this update checker is checking.
+	 * @return Used author
+	 */
+	public String getAuthor() {
+		return author;
+	}
 
-    /**
-     * Get the latest version.
-     *
-     * @return Latest version of the plugin (if checking is complete)
-     */
-    public String getLatestVersion() {
-        return latestVersion;
-    }
+	/**
+	 * Get the current version.
+	 * @return Current version of the plugin
+	 */
+	public String getCurrentVersion() {
+		return currentVersion;
+	}
 
-    /**
-     * Print a debug message if DEBUG is enabled.
-     *
-     * @param message Message to print
-     */
-    private void debug(Object... message) {
-        if (DEBUG) {
-            logger.info("[" + this.getClass().getSimpleName() + "] [DEBUG] " + StringUtils
-                    .join(message, " "));
-        }
-    }
+	/**
+	 * Get the latest version.
+	 * @return Latest version of the plugin (if checking is complete)
+	 */
+	public String getLatestVersion() {
+		return latestVersion;
+	}
 
-    @Override
-    public String toString() {
-        return "GithubUpdateCheck(" + StringUtils.join(Arrays.asList(
-                "author=" + author,
-                "repository=" + repository,
-                "plugin=" + plugin.getName(),
-                "checking=" + checking,
-                "hasUpdate=" + hasUpdate,
-                "error=" + error,
-                "currentVersion=" + currentVersion,
-                "latestVersion=" + latestVersion
-        ), ", ") + ")";
-    }
+	public interface VersionComparator {
+		/**
+		 * Check if a version should be considered 'newer' than another.
+		 * @param latestVersion  Version that is available on Github
+		 * @param currentVersion Version of the current plugin
+		 * @return true if the latestVersion is newer than the localVersion, otherwise false
+		 */
+		boolean isNewer(String latestVersion, String currentVersion);
+	}
 
-    public interface VersionComparator {
-        /**
-         * Check if a version should be considered 'newer' than another.
-         *
-         * @param latestVersion  Version that is available on Github
-         * @param currentVersion Version of the current plugin
-         * @return true if the latestVersion is newer than the localVersion, otherwise false
-         */
-        boolean isNewer(String latestVersion, String currentVersion);
-    }
+	public interface UpdateCallback {
+		void run(GithubUpdateCheck result);
+	}
 
-    public interface UpdateCallback {
-        void run(GithubUpdateCheck result);
-    }
+	/**
+	 * Print a debug message if DEBUG is enabled.
+	 * @param message Message to print
+	 */
+	private void debug(Object... message) {
+		if(DEBUG) {
+			logger.info("[" + this.getClass().getSimpleName() + "] [DEBUG] " + StringUtils.join(message, " "));
+		}
+	}
+
+	@Override
+	public String toString() {
+		return "GithubUpdateCheck(" + StringUtils.join(Arrays.asList(
+				"author=" + author,
+				"repository=" + repository,
+				"plugin=" + plugin.getName(),
+				"checking=" + checking,
+				"hasUpdate=" + hasUpdate,
+				"error=" + error,
+				"currentVersion=" + currentVersion,
+				"latestVersion=" + latestVersion
+		), ", ") + ")";
+	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/tools/LegacyMessageBridge.java

@@ -0,0 +1,52 @@
+package me.wiefferink.areashop.tools;
+
+import com.google.inject.Singleton;
+import io.github.md5sha256.areashop.KeyedMessage;
+import io.github.md5sha256.areashop.MessageWrapper;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.interactivemessenger.processing.Message;
+
+@Singleton
+public class LegacyMessageBridge implements MessageBridge {
+
+    /**
+     * Send a message to a target without a prefix.
+     * @param target       The target to send the message to
+     * @param key          The key of the language string
+     * @param replacements The replacements to insert in the message
+     */
+    @Override
+    public void messageNoPrefix(Object target, String key, Object... replacements) {
+        unwrapMessages(replacements);
+        Message.fromKey(key).replacements(replacements).send(target);
+    }
+
+    /**
+     * Send a message to a target, prefixed by the default chat prefix.
+     * @param target       The target to send the message to
+     * @param key          The key of the language string
+     * @param replacements The replacements to insert in the message
+     */
+    @Override
+    public void message(Object target, String key, Object... replacements) {
+        unwrapMessages(replacements);
+        Message.fromKey(key).prefix().replacements(replacements).send(target);
+    }
+
+    @Override
+    public void message(Object target, MessageWrapper message) {
+        message.toLegacyMessage().send(target);
+    }
+
+    private void unwrapMessages(Object... replacements) {
+        for (int i = 0; i < replacements.length; i++) {
+            Object repl = replacements[i];
+            if (repl instanceof KeyedMessage wrapper) {
+                replacements[i] = Message.fromKey(wrapper.messageKey())
+                        .replacements(wrapper.replacements())
+                        .prefix(wrapper.prefix());
+            }
+        }
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/Materials.java

@@ -1,14 +1,8 @@
 package me.wiefferink.areashop.tools;
 
-import me.wiefferink.areashop.AreaShop;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.Tag;
 
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.List;
-
 public class Materials {
 
 	private Materials() {
@@ -25,11 +19,11 @@ public class Materials {
 			return null;
 		}
 		try {
-			return Material.matchMaterial(name);
-		} catch (IllegalArgumentException ignored) {
-			AreaShop.debug("Materials.get() null result:", name);
-			return null;
+			return Material.getMaterial(name);
+		} catch (IllegalArgumentException ex) {
+			ex.printStackTrace();
 		}
+		return null;
 	}
 
 	/**
@@ -38,7 +32,7 @@ public class Materials {
 	 * @return true if the given material is a sign
 	 */
 	public static boolean isSign(Material material) {
-		return Tag.SIGNS.isTagged(material) || Tag.WALL_SIGNS.isTagged(material);
+		return Tag.SIGNS.isTagged(material);
 	}
 
 	/**
@@ -48,9 +42,8 @@ public class Materials {
 	 */
 	public static boolean isSign(String name) {
 		try {
-			return isSign(Material.matchMaterial(name));
+			return isSign(Material.getMaterial(name));
 		} catch (IllegalArgumentException ex) {
-			AreaShop.debug("Invalid Material: " + name + " passed when performing sign check.");
 			return false;
 		}
 	}

AreaShop/src/main/java/me/wiefferink/areashop/tools/OperandParser.java

@@ -126,7 +126,7 @@ public final class OperandParser {
 
         return x;
     }
-    
+
     public static class ParseException extends Exception {
 
         public ParseException() {

AreaShop/src/main/java/me/wiefferink/areashop/tools/SignUtils.java

@@ -0,0 +1,97 @@
+package me.wiefferink.areashop.tools;
+
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.BlockState;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.type.Sign;
+import org.bukkit.block.data.type.WallSign;
+
+/**
+ * Sign Utilities class
+ */
+public final class SignUtils {
+
+    private SignUtils() {
+
+    }
+
+    /**
+     * Get the {@link BlockFace} of a sign block
+     * If the passed {@link Block} is not an instance of either
+     * a {@link Sign} or {@link WallSign}, this method will return <code>null</code>
+     *
+     * @param block The sign
+     * @return Returns the {@link BlockFace} of the sign or <code>null</code>
+     */
+    public static BlockFace getSignFacing(Block block) {
+        if (block == null) {
+            return null;
+        }
+
+        BlockState blockState = block.getState();
+        BlockData blockData = blockState.getBlockData();
+
+        if (blockData instanceof WallSign wallSign) {
+            return wallSign.getFacing();
+        } else if (blockData instanceof org.bukkit.block.data.type.Sign sign) {
+            return sign.getRotation();
+        }
+        return null;
+    }
+
+    /**
+     * Set the {@link BlockFace} in which the sign will face
+     * If the passed {@link Block} is not an instance of either
+     * a {@link Sign} or {@link WallSign}, this method will return <code>null</code>.
+     *
+     * @param block  The sign block
+     * @param facing The new {@link BlockFace} the sign should face
+     * @return Returns <code>true</code> if the sign was successfully placed, <code>false</code> otherwise
+     */
+    public static boolean setSignFacing(Block block, BlockFace facing) {
+        if (block == null || facing == null) {
+            return false;
+        }
+
+        BlockState blockState = block.getState();
+        BlockData blockData = blockState.getBlockData();
+
+        if (blockData instanceof WallSign wallSign) {
+            wallSign.setFacing(facing);
+        } else if (blockData instanceof org.bukkit.block.data.type.Sign sign) {
+            sign.setRotation(facing);
+        } else {
+            return false;
+        }
+        block.setBlockData(blockData);
+        return true;
+    }
+
+    /**
+     * Get the {@link Block} which a given sign is attached to.
+     * This method will return <code>null</code> if the passed {@link Block}
+     * is not an instance of either a {@link Sign} or {@link WallSign}.
+     *
+     * @param block The sign {@link Block}
+     * @return Returns the block which the sign is attached to or null
+     */
+    public static Block getSignAttachedTo(Block block) {
+        if (block == null) {
+            return null;
+        }
+
+        BlockState blockState = block.getState();
+
+        BlockData blockData = blockState.getBlockData();
+
+        if (blockData instanceof WallSign wallSign) {
+            return block.getRelative(wallSign.getFacing().getOppositeFace());
+        } else if (blockData instanceof Sign) {
+            return block.getRelative(BlockFace.DOWN);
+        }
+
+        return null;
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/SpigotOfflinePlayerHelper.java

@@ -0,0 +1,42 @@
+package me.wiefferink.areashop.tools;
+
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.Server;
+import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Optional;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+
+public class SpigotOfflinePlayerHelper implements OfflinePlayerHelper {
+
+    private final Plugin plugin;
+
+    public SpigotOfflinePlayerHelper(@NotNull Plugin plugin) {
+        this.plugin = plugin;
+    }
+
+    @Override
+    public CompletableFuture<Optional<UUID>> lookupUuidAsync(String username) {
+        return lookupOfflinePlayerAsync(username).thenApply(player -> {
+            if (player.hasPlayedBefore()) {
+                return Optional.of(player.getUniqueId());
+            }
+            return Optional.empty();
+        });
+    }
+
+    @Override
+    public CompletableFuture<OfflinePlayer> lookupOfflinePlayerAsync(String username) {
+        final CompletableFuture<OfflinePlayer> future = new CompletableFuture<>();
+        final Server server = this.plugin.getServer();
+        server.getScheduler().runTaskAsynchronously(this.plugin, () -> {
+            @SuppressWarnings("deprecation")
+            OfflinePlayer player = server.getOfflinePlayer(username);
+            future.complete(player);
+        });
+        return future;
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/SpigotPlatform.java

@@ -0,0 +1,20 @@
+package me.wiefferink.areashop.tools;
+
+import me.wiefferink.areashop.adapters.platform.MinecraftPlatform;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
+
+public class SpigotPlatform implements MinecraftPlatform {
+
+    private final OfflinePlayerHelper offlinePlayerHelper;
+
+    public SpigotPlatform(@NotNull Plugin plugin) {
+        this.offlinePlayerHelper = new SpigotOfflinePlayerHelper(plugin);
+    }
+
+    @Override
+    public OfflinePlayerHelper offlinePlayerHelper() {
+        return this.offlinePlayerHelper;
+    }
+}

AreaShop/src/main/resources/config.yml

@@ -13,9 +13,18 @@ chatPrefix:
   - '  hover: %lang:action|Click to check the available commands|%'
   - '  command: /areashop help'
   - ' '
+
+chatPrefixMigrated: ''
+
 # The language file that should be used, check the 'lang' folder for build-in languages (use the filename without .yml here).
 # More information can be found here: https://github.com/NLthijs48/AreaShop/wiki/Language-support.
 language: EN
+# Whether to use MiniMessage for languages
+# the new lang files will be under lang-migrated
+useMiniMessage: false
+# Whether to migrate existing language files to adventure MiniMessage
+migrateLanguages: false
+
 # The tags that need to be written on the first line of a sign to add it to AreaShop.
 signTags:
   # Add a rental region.
@@ -121,6 +130,10 @@ debug: false
 version: ${project.version}
 # Maximum number of blocks to save to or restore from a .schemetic file.
 maximumBlocks: 1000000
+# Whether to forcefully clear "hanging" entities (painting, itemframes, etc.) on region restore
+# Only enable this option if hanging entities at the destination aren't removed on restore normally
+# If set to true, there may be a performance impact when performing region restores.
+forceClearEntities: false
 # Maximum number of locations the teleport function should check to find a safe spot.
 maximumTries: 50000
 

AreaShop/src/main/resources/lang/EN.yml

@@ -619,7 +619,7 @@ greeting-resale: "%region% can be bought for %resellprice% from %player%."
 
 update-playerNotify:
   - "[darkgreen]Update from AreaShop V%0% to AreaShop V%1% available, get the latest version at "
-  - "[bold]Spigot[/bold]"
-  - "    hover: %lang:action|Go to the Spigot AreaShop page|%"
-  - "    link: https://www.spigotmc.org/resources/areashop.2991/"
+  - "[bold]Github[/bold]"
+  - "    hover: %lang:action|Go to the AreaShop Github Releases|%"
+  - "    link: https://github.com/md5sha256/releases"
   - " (and leave a review)."

AreaShop/src/main/resources/plugin.yml

@@ -1,11 +1,11 @@
 name: AreaShop
 main: me.wiefferink.areashop.AreaShop
-version: "@version@"
+version: "${version}"
 description: "Selling and renting WorldGuard regions to your players, highly configurable."
 depend: [Vault, WorldGuard, WorldEdit]
 softdepend: [Multiverse-Core, FastAsyncWorldEdit]
 author: NLThijs48
-website: https://github.com/NLthijs48/AreaShop
+website: https://github.com/md5sha256/AreaShop
 commands:
   AreaShop:
     description: 'For all commands use /as help.'
@@ -13,7 +13,7 @@ commands:
     aliases: [as]
 awareness:
   - !@UTF8
-api-version: 1.13
+api-version: 1.17
 permissions:
   areashop.*:
     description: Give access to all commands of AreaShop

AreaShop/src/test/java/io/github/md5sha256/areashop/TestLanguageConverter.java

@@ -0,0 +1,209 @@
+package io.github.md5sha256.areashop;
+
+import be.seeseemelk.mockbukkit.MockBukkit;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.interactivemessenger.generators.TellrawGenerator;
+import me.wiefferink.interactivemessenger.parsers.YamlParser;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.serializer.bungeecord.BungeeComponentSerializer;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
+import net.md_5.bungee.api.chat.BaseComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.spongepowered.configurate.ConfigurateException;
+import org.spongepowered.configurate.ConfigurationNode;
+import org.spongepowered.configurate.yaml.YamlConfigurationLoader;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+public class TestLanguageConverter {
+
+
+    @BeforeAll
+    public static void setup() {
+        MockBukkit.mock();
+    }
+
+    @AfterAll
+    public static void teardown() {
+        MockBukkit.unmock();
+    }
+
+    private static void performTransformation(ConfigurationNode root) throws ConfigurateException {
+        if (!root.isMap()) {
+            return;
+        }
+        Map<Object, ? extends ConfigurationNode> map = root.childrenMap();
+        for (Map.Entry<Object, ? extends ConfigurationNode> entry : map.entrySet()) {
+            ConfigurationNode node = entry.getValue();
+            if (node.isMap()) {
+                performTransformation(node);
+            } else {
+                convertNode(node);
+            }
+        }
+    }
+
+    private static void serializeModernToBungee(ConfigurationNode node) throws ConfigurateException {
+        List<String> messages;
+        if (node.isList()) {
+            messages = node.getList(String.class, Collections.emptyList());
+        } else {
+            messages = Collections.singletonList(node.getString());
+        }
+        List<String> converted = new ArrayList<>(messages.size());
+        for (String miniMessage : messages) {
+            Component component = MiniMessage.miniMessage().deserialize(miniMessage);
+            BaseComponent[] baseComponents = BungeeComponentSerializer.get().serialize(component);
+            String serial = ComponentSerializer.toString(baseComponents);
+            converted.add(serial);
+        }
+        if (converted.size() == 1) {
+            node.set(converted.get(0));
+        } else {
+            node.setList(String.class, converted);
+        }
+    }
+
+    private static void convertNode(ConfigurationNode node) throws ConfigurateException {
+        List<String> messages;
+        if (node.isList()) {
+            messages = node.getList(String.class, Collections.emptyList());
+        } else {
+            messages = Collections.singletonList(node.getString());
+        }
+        List<String> raw = TellrawGenerator.generate(YamlParser.parse(messages));
+        List<String> converted = new ArrayList<>(raw.size());
+        for (String json : raw) {
+            BaseComponent[] components = ComponentSerializer.parse(json);
+            String serialized = ComponentSerializer.toString(components);
+            converted.add(serialized);
+        }
+        if (converted.size() == 1) {
+            node.set(converted.get(0));
+        } else {
+            node.setList(String.class, converted);
+        }
+    }
+
+    private static void compareRoot(ConfigurationNode legacy,
+                                    ConfigurationNode modern) throws ConfigurateException {
+        if (!legacy.isMap() && !modern.isMap()) {
+            return;
+        }
+        Map<Object, ? extends ConfigurationNode> map = legacy.childrenMap();
+        for (Map.Entry<Object, ? extends ConfigurationNode> entry : map.entrySet()) {
+            ConfigurationNode node = entry.getValue();
+            if (node.isMap()) {
+                compareRoot(node, modern.node(node.path()));
+            } else {
+                compare(node, modern.node(node.path()));
+            }
+        }
+    }
+
+    private static void compare(ConfigurationNode legacy,
+                                ConfigurationNode modern) throws ConfigurateException {
+        List<String> legacyStrings;
+        List<String> modernStrings;
+        if (legacy.isList()) {
+            Assertions.assertTrue(modern.isList());
+            legacyStrings = legacy.getList(String.class, Collections.emptyList());
+            modernStrings = modern.getList(String.class, Collections.emptyList());
+        } else {
+            legacyStrings = Collections.singletonList(legacy.getString());
+            modernStrings = Collections.singletonList(modern.getString());
+        }
+        for (int i = 0; i < legacyStrings.size(); i++) {
+            String legacySerial = legacyStrings.get(i);
+            String modernSerial = modernStrings.get(i);
+            BaseComponent[] legacyComponents = ComponentSerializer.parse(legacySerial);
+            Component modernComponent = MiniMessage.miniMessage().deserialize(modernSerial);
+            String legacySection = LegacyComponentSerializer.legacySection().serialize(modernComponent);
+            Assertions.assertEquals(BaseComponent.toLegacyText(legacyComponents), legacySection);
+        }
+
+    }
+
+    private File[] getLangFiles() {
+        URL langRoot = AreaShop.class.getClassLoader().getResource("lang");
+        if (langRoot == null) {
+            throw new RuntimeException("Cannot find lang files!");
+        }
+        URI uri;
+        try {
+            uri = langRoot.toURI();
+        } catch (URISyntaxException ex) {
+            throw new RuntimeException("URI syntax!", ex);
+        }
+        File file = new File(uri);
+        return file.listFiles(sub -> sub.getName().endsWith(".yml"));
+    }
+
+    private List<ConfigurationNode> loadLangFiles() throws IOException {
+        File[] files = getLangFiles();
+        if (files == null) {
+            throw new RuntimeException("Could not find any lang files!");
+        }
+        List<ConfigurationNode> nodes = new ArrayList<>(files.length);
+        for (File langFile : files) {
+            ConfigurationNode node = YamlConfigurationLoader.builder()
+                    .file(langFile)
+                    .build()
+                    .load();
+            nodes.add(node);
+        }
+        return nodes;
+    }
+
+    private String serializeNode(ConfigurationNode node) {
+        StringWriter writer = new StringWriter();
+        try {
+            YamlConfigurationLoader.builder().sink(() -> new BufferedWriter(writer)).build()
+                    .save(node);
+        } catch (ConfigurateException e) {
+            throw new RuntimeException(e);
+        }
+        return writer.getBuffer().toString();
+    }
+
+    public void testConversion() {
+        List<ConfigurationNode> langFiles;
+        try {
+            langFiles = loadLangFiles();
+        } catch (IOException ex) {
+            Assertions.fail(ex);
+            return;
+        }
+        for (ConfigurationNode node : langFiles) {
+            ConfigurationNode legacy = node.copy();
+            ConfigurationNode modern = node.copy();
+            try {
+                performTransformation(legacy);
+                LanguageConverter.performConversion(modern);
+                compareRoot(legacy, modern);
+            } catch (IOException ex) {
+                Assertions.fail(ex);
+                break;
+            }
+
+        }
+    }
+
+}

README.md

@@ -1,6 +1,8 @@
 ![AreaShop logo](https://cloud.githubusercontent.com/assets/6951068/9471294/f016d8ee-4b4f-11e5-9bda-d61b1c423ebb.png)<br/>
+[![](https://jitpack.io/v/md5sha256/AreaShop.svg)](https://jitpack.io/#md5sha256/AreaShop)
+<br>
 **Usage and configuration:**
-[►Download (releases)](https://github.com/NLthijs48/AreaShop/releases)&nbsp;&nbsp;
+[►Download (releases)](https://github.com/md5sha256/AreasShop/releases)&nbsp;&nbsp;
 [►Commands and Permissions](https://github.com/NLthijs48/AreaShop/wiki/Commands-and-Permissions)
 <br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 [►Basic regions setup](https://github.com/NLthijs48/AreaShop/wiki/Basic-regions-setup)&nbsp;&nbsp;
@@ -14,11 +16,10 @@
 [►Frequently Asked Questions](https://github.com/NLthijs48/AreaShop/wiki/Frequently-Asked-Questions)&nbsp;&nbsp;
 [►Common errors](https://github.com/NLthijs48/AreaShop/wiki/Common-errors)<br/>
 **Support:**
-[►Request a feature, report a bug or ask support](https://github.com/NLthijs48/AreaShop/issues/new/choose)&nbsp;&nbsp;
-[►Open issues](https://github.com/NLthijs48/AreaShop/issues)<br/>
+[►Request a feature, report a bug or ask support](https://github.com/md5sha256/AreasShop/issues/new/choose)&nbsp;&nbsp;
+[►Open issues](https://github.com/md5sha256/AreasShop/issues)<br/>
 **Development:**
-[►Changelog](https://github.com/NLthijs48/AreaShop/blob/master/changelog.md)&nbsp;&nbsp;
-[►Compiling](https://github.com/NLthijs48/AreaShop/wiki/Compiling-AreaShop)&nbsp;&nbsp;
+[►Compiling](https://github.com/md5sha256/AreaShop/tree/dev/bleeding/documentation/compiling.md)&nbsp;&nbsp;
 [►Modules/classes overview](https://github.com/NLthijs48/AreaShop/wiki/Modules,-packages-and-classes-overview)
 [►Javadocs](https://wiefferink.me/AreaShop/javadocs/)
 [►Development builds](http://jenkins.wiefferink.me/job/AreaShop)<br/>
@@ -26,7 +27,19 @@
 [►AreaShop in Spigot Resources](http://www.spigotmc.org/resources/areashop.2991/)&nbsp;&nbsp;
 [►AreaShop on BukkitDev](http://dev.bukkit.org/bukkit-plugins/regionbuyandrent/)
 
-***
+### Required dependencies
+* Java 17 or higher (latest recommended)
+* Bukkit/Spigot 1.17.2 or newer (hybrids such as Mohist are not supported)
+* [WorldGuard](http://dev.bukkit.org/bukkit-plugins/worldguard/): 7.0.7 or newer
+* [WorldEdit](http://dev.bukkit.org/bukkit-plugins/worldedit/): 7.2.12 or newer
+* [Vault](http://dev.bukkit.org/bukkit-plugins/vault/): 1.7.3 or higher
+* An economy plugin supported by Vault (check the [Vault page](http://dev.bukkit.org/bukkit-plugins/vault/) for a list of these)
+
+### Optional Dependencies
+* [FastAsyncWorldEdit](https://www.spigotmc.org/resources/fastasyncworldedit.13932/) 2.4.5 or newer (Note: Use either FAWE or WE, not both together) 
+  * AreaShop has a separate adapter for FAWE which leverages its support for asynchronous edit operations. This adapter is used for region saving and restoring. 
+  * Note that schematics created by the FAWE adapter are not compatible with normal WorldEdit; however, schematics created by the normal WorldEdit adapter are compatible with FAWE
+  * Due to a bug with FAWE, entities are not saved by the FAWE adapter but are saved in the normal WE adapter
 
 AreaShop allows you selling and renting regions to players. It could be used to let them rent a jail in your prison server, a shop in the market of the survival server or a plot on a creative server. The player interacts with signs, making it easy to use. It also has a lot of commands to check the status of all regions, manage the renting and buying of a region and also features for admins. A lot of messages send to the player can be clicked, for immediately performing actions (buying the region, selling the region, etc.) or getting more information (for example clicking region name for region information). To setup the renting and selling of the regions exactly as you want AreaShop has a lot of options to custimize it to your liking.
 
@@ -36,7 +49,7 @@ AreaShop allows you selling and renting regions to players. It could be used to
 * ![rented-sign](https://cloud.githubusercontent.com/assets/6951068/21939029/3844896a-d9be-11e6-8492-7a23ec71fce2.png)
 * Messages that can be clicked for more information and actions ([language](https://github.com/NLthijs48/AreaShop/wiki/Language-support) can be changed, as well as click/hover actions).
 * ![region-information-message](https://cloud.githubusercontent.com/assets/6951068/21939161/bff2fe3c-d9be-11e6-802f-4a0bce073c64.png)
-* Change the  of the plugin or use of of the already provided language files (check [here](https://github.com/NLthijs48/AreaShop/tree/master/AreaShop/src/main/resources/lang))
+* Change the  of the plugin or use of the already provided language files (check [here](https://github.com/md5sha256/AreasShop/tree/dev/bleeding/AreaShop/src/main/resources/lang))
 * Automatically restore the region to its original state when sold: [restore](https://github.com/NLthijs48/AreaShop/wiki/Region-blocks-save-restore) the region with schematics.
 * Change which [commands](https://github.com/NLthijs48/AreaShop/wiki/Commands-and-Permissions) players can use with [permissions](https://github.com/NLthijs48/AreaShop/wiki/Commands-and-Permissions).
 * Customize the plugin by changing the [config files](https://github.com/NLthijs48/AreaShop/wiki/The-config-system).
@@ -61,28 +74,4 @@ For a preview join 'mc.go-craft.com' and go to the Survival server, the shops ar
 **Made by [PerkulatorTime](https://www.youtube.com/user/PerkulatorTime)**<br/>
 [![Tutorial Video](https://cloud.githubusercontent.com/assets/6951068/9532788/147526cc-4d0e-11e5-9672-1274faae280a.png)](https://www.youtube.com/watch?v=OQOsOG-EdNc)
 
-Old video for AreaShop v1.0: [Tutorial by VariationVault](https://www.youtube.com/watch?v=k2HMCxCCOYo)
-
-### Required dependencies
-* Java 8 or higher (latest recommended)
-* Bukkit/Spigot 1.13.2 or higher (modded servers often include Bukkit/Spigot support, so it should also work on that, but it is not specifically tested for it)
-* [WorldGuard](http://dev.bukkit.org/bukkit-plugins/worldguard/): 7.0.3 or higher
-* [WorldEdit](http://dev.bukkit.org/bukkit-plugins/worldedit/): 7.0.1 or higher 
-* [Vault](http://dev.bukkit.org/bukkit-plugins/vault/): 1.7 or higher
-* An economy plugin supported by Vault (check the [Vault page](http://dev.bukkit.org/bukkit-plugins/vault/) for a list of these)
-
-### Metrics
-This plugin utilizes Hidendra's plugin metrics system, which means that the following information is collected and sent to mcstats.org:
-
-*A unique identifier, the server's version of Java, whether the server is in offline or online mode, the plugin's version, the server's version, the OS version/name and architecture, the core count for the CPU, the number of players online, the Metrics version.*
-
-This information will give me an indication how much the plugin is used and encourages me to continue development. Opting out of this service can be done by setting `sendStats` in the config of this plugin to `false`, if you want to disable Metrics for any plugin go to `plugins/Plugin Metrics/config.yml` and change `opt-out` to `true`. Check graphs of the statistics at this page: [mcstats.org/plugin/AreaShop](http://mcstats.org/plugin/AreaShop)
-
-### Do you want to translate AreaShop?
-Help translating the plugin into different languages and to keep the translations up to date. Go to [this page](https://github.com/NLthijs48/AreaShop/wiki/Language-support#translating-on-transifex) for more information. Translating goes through the [Transifex](https://www.transifex.com/projects/p/areashop/) website and is very easy, sending files back and forth is not needed, you can translate lines online and whenever you want. Every line you translate will be saved, no need to do it all at once (this also allows for easy collaboration).
-
-![Transifex-translation-progress](https://transifex.com/projects/p/areashop/resource/enyml/chart/image_png)
-
-[![Discord-support-chat](https://discordapp.com/api/v6/guilds/342592311122853893/widget.png?style=banner3)](https://discord.gg/84kGMCQ)
-
-[![Donate through PayPal to support development](https://www.paypal.com/en_US/i/btn/btn_donate_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VEECV88NG3L5C)
+Old video for AreaShop v1.0: [Tutorial by VariationVault](https://www.youtube.com/watch?v=k2HMCxCCOYo)

adapters/platform/bukkit-1-17/build.gradle.kts

@@ -0,0 +1,22 @@
+plugins.apply("io.papermc.paperweight.userdev")
+
+dependencies {
+    paperDevBundle("1.17.1-R0.1-SNAPSHOT")
+    compileOnly(projects.areashopInterface)
+    compileOnly(projects.areashopNms)
+}
+
+
+description = "AreaShop NMS Helper 1-17"
+
+tasks {
+
+    assemble {
+        dependsOn("reobfJar")
+    }
+
+    named("reobfJar", io.papermc.paperweight.tasks.RemapJar::class) {
+        outputJar.set(file("build/libs/${project.name}-${project.version}.jar"))
+    }
+
+}

adapters/platform/bukkit-1-17/src/main/java/me/wiefferink/areashop/adapters/platform/v1_17_R1/BlockBehaviourImpl.java

@@ -0,0 +1,46 @@
+package me.wiefferink.areashop.adapters.platform.v1_17_R1;
+
+import me.wiefferink.areashop.nms.BlockBehaviourHelper;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.block.state.BlockState;
+import org.bukkit.Location;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.craftbukkit.v1_17_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_17_R1.block.CraftBlock;
+import org.bukkit.craftbukkit.v1_17_R1.block.CraftBlockState;
+import org.bukkit.craftbukkit.v1_17_R1.block.data.CraftBlockData;
+
+import java.util.Objects;
+
+public class BlockBehaviourImpl implements BlockBehaviourHelper {
+
+    @Override
+    public boolean canPlace(Location location, BlockData blockData) {
+        Objects.requireNonNull(location.getWorld(), "Null World!");
+        final BlockPos blockPos = new BlockPos(location.getX(), location.getY(), location.getZ());
+        final CraftWorld craftWorld = (CraftWorld) location.getWorld();
+        final ServerLevel world = craftWorld.getHandle();
+        final CraftBlockData craftBlockData = (CraftBlockData) blockData;
+        final BlockState ibd = craftBlockData.getState();
+        return ibd.canSurvive(world, blockPos);
+    }
+
+    @Override
+    public boolean isBlockValid(Block block) {
+        final CraftBlock craftBlock = (CraftBlock) block;
+        final CraftWorld craftWorld = (CraftWorld) craftBlock.getWorld();
+        final ServerLevel world = craftWorld.getHandle();
+        final BlockState ibd = craftBlock.getNMS();
+        return ibd.canSurvive(world, craftBlock.getPosition());
+    }
+
+    @Override
+    public boolean isBlockStateValid(org.bukkit.block.BlockState blockState) {
+        final CraftBlockState craftBlockState = (CraftBlockState) blockState;
+        final BlockState ibd = craftBlockState.getHandle();
+        return ibd.canSurvive(craftBlockState.getBlock().getCraftWorld().getHandle(), craftBlockState.getPosition());
+    }
+
+}