feat: Add chatmode data

21 files changed, 439 insertions, 39 deletions

diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/LunaticChat.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/LunaticChat.kt
index 046d61f..2473f49 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/LunaticChat.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/LunaticChat.kt
@@ -1,7 +1,8 @@
 package dev.m1sk9.lunaticChat.paper
 
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelMembershipManager
+import dev.m1sk9.lunaticChat.paper.chat.ChatModeManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelMembershipManager
 import dev.m1sk9.lunaticChat.paper.command.core.CommandRegistry
 import dev.m1sk9.lunaticChat.paper.command.handler.DirectMessageHandler
 import dev.m1sk9.lunaticChat.paper.command.impl.ReplyCommand
@@ -31,6 +32,7 @@ class LunaticChat :
     lateinit var languageManager: LanguageManager
     var channelManager: ChannelManager? = null
     var channelMembershipManager: ChannelMembershipManager? = null
+    var chatModeManager: ChatModeManager? = null
 
     // Private services
     private lateinit var services: ServiceContainer
@@ -66,6 +68,7 @@ class LunaticChat :
         languageManager = services.languageManager
         channelManager = services.channelManager
         channelMembershipManager = services.channelMembershipManager
+        chatModeManager = services.chatModeManager
 
         // Schedule periodic tasks
         serviceInitializer.schedulePeriodicTasks()
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/ServiceContainer.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/ServiceContainer.kt
index 636ccfb..c4e56cd 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/ServiceContainer.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/ServiceContainer.kt
@@ -1,7 +1,8 @@
 package dev.m1sk9.lunaticChat.paper
 
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelMembershipManager
+import dev.m1sk9.lunaticChat.paper.chat.ChatModeManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelMembershipManager
 import dev.m1sk9.lunaticChat.paper.command.handler.DirectMessageHandler
 import dev.m1sk9.lunaticChat.paper.converter.RomanjiConverter
 import dev.m1sk9.lunaticChat.paper.i18n.LanguageManager
@@ -19,6 +20,7 @@ import dev.m1sk9.lunaticChat.paper.settings.PlayerSettingsManager
  * @property romajiConverter Optional (only when Japanese conversion feature is enabled)
  * @property channelManager Optional (only when channel chat feature is enabled)
  * @property channelMembershipManager Optional (only when channel chat feature is enabled)
+ * @property chatModeManager Optional (only when channel chat feature is enabled)
  */
 data class ServiceContainer(
     val languageManager: LanguageManager,
@@ -27,4 +29,5 @@ data class ServiceContainer(
     val romajiConverter: RomanjiConverter? = null,
     val channelManager: ChannelManager? = null,
     val channelMembershipManager: ChannelMembershipManager? = null,
+    val chatModeManager: ChatModeManager? = null,
 )
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/ServiceInitializer.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/ServiceInitializer.kt
index 17d99f6..7865c9c 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/ServiceInitializer.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/ServiceInitializer.kt
@@ -1,9 +1,11 @@
 package dev.m1sk9.lunaticChat.paper
 
 import dev.m1sk9.lunaticChat.engine.converter.GoogleIMEClient
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelMembershipManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelStorage
+import dev.m1sk9.lunaticChat.paper.chat.ChatModeManager
+import dev.m1sk9.lunaticChat.paper.chat.ChatModeStorage
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelMembershipManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelStorage
 import dev.m1sk9.lunaticChat.paper.command.handler.DirectMessageHandler
 import dev.m1sk9.lunaticChat.paper.config.LunaticChatConfiguration
 import dev.m1sk9.lunaticChat.paper.converter.ConversionCache
@@ -31,6 +33,7 @@ class ServiceInitializer(
     private var conversionCache: ConversionCache? = null
     private var channelManager: ChannelManager? = null
     private var channelMembershipManager: ChannelMembershipManager? = null
+    private var chatModeManager: ChatModeManager? = null
 
     /**
      * Initializes all services in dependency order.
@@ -66,12 +69,12 @@ class ServiceInitializer(
                 null
             }
 
-        // 4. Initialize channel manager and membership manager
-        val (channelManager, channelMembershipManager) =
+        // 4. Initialize channel manager, membership manager, and chat mode manager
+        val (channelManager, channelMembershipManager, chatModeManager) =
             if (configuration.features.channelChat.enabled) {
                 initializeChannelManager()
             } else {
-                Pair(null, null)
+                Triple(null, null, null)
             }
 
         // 5. Initialize handlers
@@ -88,6 +91,7 @@ class ServiceInitializer(
             romajiConverter = romajiConverter,
             channelManager = channelManager,
             channelMembershipManager = channelMembershipManager,
+            chatModeManager = chatModeManager,
         )
     }
 
@@ -152,9 +156,9 @@ class ServiceInitializer(
     }
 
     /**
-     * Initializes channel manager and membership manager with storage.
+     * Initializes channel manager, membership manager, and chat mode manager with storage.
      */
-    private fun initializeChannelManager(): Pair<ChannelManager, ChannelMembershipManager> {
+    private fun initializeChannelManager(): Triple<ChannelManager, ChannelMembershipManager, ChatModeManager> {
         val channelsFile = plugin.dataFolder.resolve("channels.json").toPath()
         val storage =
             ChannelStorage(
@@ -178,8 +182,23 @@ class ServiceInitializer(
             )
         channelMembershipManager = membershipManager
 
-        logger.info("Channel manager and membership manager initialized successfully.")
-        return Pair(manager, membershipManager)
+        val chatModeFile = plugin.dataFolder.resolve("chatmodes.json").toPath()
+        val chatModeStorage =
+            ChatModeStorage(
+                dataFile = chatModeFile,
+                logger = logger,
+            )
+
+        val chatMode =
+            ChatModeManager(
+                storage = chatModeStorage,
+                logger = logger,
+            )
+        chatMode.initialize()
+        chatModeManager = chatMode
+
+        logger.info("Channel manager, membership manager, and chat mode manager initialized successfully.")
+        return Triple(manager, membershipManager, chatMode)
     }
 
     /**
@@ -206,5 +225,6 @@ class ServiceInitializer(
         services.playerSettingsManager.saveToDisk()
         conversionCache?.saveToDisk()
         services.channelManager?.saveToDisk()
+        services.chatModeManager?.saveToDisk()
     }
 }
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/ChatModeManager.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/ChatModeManager.kt
new file mode 100644
index 0000000..5f92f21
--- /dev/null
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/ChatModeManager.kt
@@ -0,0 +1,94 @@
+package dev.m1sk9.lunaticChat.paper.chat
+
+import dev.m1sk9.lunaticChat.engine.chat.ChatMode
+import dev.m1sk9.lunaticChat.engine.chat.ChatModeData
+import java.util.UUID
+import java.util.concurrent.ConcurrentHashMap
+import java.util.logging.Logger
+
+/**
+ * Manages player chat modes with persistence.
+ *
+ * Chat modes determine where player messages are sent by default.
+ * Modes are persisted across server restarts.
+ *
+ * @property storage Chat mode storage layer
+ * @property logger Logger for operations
+ */
+class ChatModeManager(
+    private val storage: ChatModeStorage,
+    private val logger: Logger,
+) {
+    private val chatModes = ConcurrentHashMap<UUID, ChatMode>()
+
+    /**
+     * Initializes the manager by loading data from storage.
+     */
+    fun initialize() {
+        val data = storage.loadFromDisk()
+        chatModes.putAll(data.modes)
+        logger.info("ChatModeManager initialized with ${chatModes.size} saved modes")
+    }
+
+    /**
+     * Gets a player's current chat mode.
+     *
+     * @param playerId The player's UUID
+     * @return The player's chat mode, or DEFAULT if not set
+     */
+    fun getChatMode(playerId: UUID): ChatMode = chatModes.getOrDefault(playerId, ChatMode.Companion.DEFAULT)
+
+    /**
+     * Sets a player's chat mode.
+     *
+     * @param playerId The player's UUID
+     * @param mode The chat mode to set
+     */
+    fun setChatMode(
+        playerId: UUID,
+        mode: ChatMode,
+    ) {
+        chatModes[playerId] = mode
+        saveToStorage()
+    }
+
+    /**
+     * Toggles a player's chat mode between GLOBAL and CHANNEL.
+     *
+     * @param playerId The player's UUID
+     * @return The new chat mode after toggling
+     */
+    fun toggleChatMode(playerId: UUID): ChatMode {
+        val currentMode = getChatMode(playerId)
+        val newMode = currentMode.toggle()
+        setChatMode(playerId, newMode)
+        return newMode
+    }
+
+    /**
+     * Removes a player's chat mode setting (reverts to default).
+     *
+     * @param playerId The player's UUID
+     */
+    fun removeChatMode(playerId: UUID) {
+        chatModes.remove(playerId)
+        saveToStorage()
+    }
+
+    /**
+     * Saves current state to storage asynchronously.
+     */
+    private fun saveToStorage() {
+        val data = ChatModeData(modes = chatModes.toMap())
+        storage.queueAsyncSave(data)
+    }
+
+    /**
+     * Forces a synchronous save to storage.
+     * Should only be called during plugin shutdown.
+     */
+    fun saveToDisk() {
+        val data = ChatModeData(modes = chatModes.toMap())
+        storage.saveToDisk(data)
+    }
+}
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/ChatModeStorage.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/ChatModeStorage.kt
new file mode 100644
index 0000000..77fcdb3
--- /dev/null
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/ChatModeStorage.kt
@@ -0,0 +1,98 @@
+package dev.m1sk9.lunaticChat.paper.chat
+
+import dev.m1sk9.lunaticChat.engine.chat.ChatModeData
+import dev.m1sk9.lunaticChat.engine.exception.ChatModeStorageException
+import kotlinx.serialization.json.Json
+import java.nio.file.Path
+import java.util.concurrent.Executors
+import java.util.concurrent.TimeUnit
+import java.util.logging.Logger
+import kotlin.io.path.exists
+import kotlin.io.path.readText
+import kotlin.io.path.writeText
+
+/**
+ * Handles JSON storage for chat mode data.
+ * Provides async save queue and synchronous save for shutdown.
+ *
+ * @property dataFile Path to chatmodes.json
+ * @property logger Logger for operations
+ */
+class ChatModeStorage(
+    private val dataFile: Path,
+    private val logger: Logger,
+) {
+    private val json =
+        Json {
+            prettyPrint = true
+            ignoreUnknownKeys = true
+        }
+
+    private val saveExecutor = Executors.newSingleThreadExecutor()
+
+    /**
+     * Loads chat mode data from disk.
+     *
+     * @return ChatModeData loaded from file, or empty data if file doesn't exist
+     * @throws ChatModeStorageException if loading fails
+     */
+    fun loadFromDisk(): ChatModeData {
+        if (!dataFile.exists()) {
+            logger.info("Chat mode data file not found, starting with empty data")
+            return ChatModeData()
+        }
+
+        return try {
+            val jsonContent = dataFile.readText()
+            json.decodeFromString<ChatModeData>(jsonContent)
+        } catch (e: Exception) {
+            throw ChatModeStorageException("Failed to load chat mode data from ${dataFile.fileName}", e)
+        }
+    }
+
+    /**
+     * Queues an asynchronous save operation.
+     *
+     * @param data ChatModeData to save
+     */
+    fun queueAsyncSave(data: ChatModeData) {
+        saveExecutor.submit {
+            try {
+                saveToDisk(data)
+            } catch (e: Exception) {
+                logger.severe("Failed to save chat mode data: ${e.message}")
+            }
+        }
+    }
+
+    /**
+     * Saves chat mode data to disk synchronously.
+     *
+     * @param data ChatModeData to save
+     * @throws ChatModeStorageException if saving fails
+     */
+    fun saveToDisk(data: ChatModeData) {
+        try {
+            val jsonContent = json.encodeToString(data)
+            dataFile.writeText(jsonContent)
+        } catch (e: Exception) {
+            throw ChatModeStorageException("Failed to save chat mode data to ${dataFile.fileName}", e)
+        }
+    }
+
+    /**
+     * Shuts down the async save executor.
+     * Should be called during plugin disable.
+     */
+    fun shutdown() {
+        saveExecutor.shutdown()
+        try {
+            if (!saveExecutor.awaitTermination(5, TimeUnit.SECONDS)) {
+                saveExecutor.shutdownNow()
+            }
+        } catch (e: InterruptedException) {
+            saveExecutor.shutdownNow()
+            Thread.currentThread().interrupt()
+        }
+    }
+}
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/channel/ChannelManager.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/channel/ChannelManager.kt
index d18c2a5..ff3b5d8 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/channel/ChannelManager.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/channel/ChannelManager.kt
@@ -1,9 +1,9 @@
-package dev.m1sk9.lunaticChat.paper.channel
+package dev.m1sk9.lunaticChat.paper.chat.channel
 
-import dev.m1sk9.lunaticChat.engine.channel.modal.Channel
-import dev.m1sk9.lunaticChat.engine.channel.modal.ChannelData
-import dev.m1sk9.lunaticChat.engine.channel.modal.ChannelMember
-import dev.m1sk9.lunaticChat.engine.channel.modal.ChannelRole
+import dev.m1sk9.lunaticChat.engine.chat.channel.Channel
+import dev.m1sk9.lunaticChat.engine.chat.channel.ChannelData
+import dev.m1sk9.lunaticChat.engine.chat.channel.ChannelMember
+import dev.m1sk9.lunaticChat.engine.chat.channel.ChannelRole
 import dev.m1sk9.lunaticChat.engine.exception.ChannelNoOwnerPermissionException
 import dev.m1sk9.lunaticChat.engine.exception.ChannelNotFoundException
 import java.util.UUID
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/channel/ChannelMembershipManager.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/channel/ChannelMembershipManager.kt
index 41c96c4..6d6ad8d 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/channel/ChannelMembershipManager.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/channel/ChannelMembershipManager.kt
@@ -1,6 +1,6 @@
-package dev.m1sk9.lunaticChat.paper.channel
+package dev.m1sk9.lunaticChat.paper.chat.channel
 
-import dev.m1sk9.lunaticChat.engine.channel.modal.ChannelRole
+import dev.m1sk9.lunaticChat.engine.chat.channel.ChannelRole
 import dev.m1sk9.lunaticChat.engine.exception.ChannelAlreadyActiveException
 import dev.m1sk9.lunaticChat.engine.exception.ChannelMemberAlreadyException
 import dev.m1sk9.lunaticChat.engine.exception.ChannelNotFoundException
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/channel/ChannelStorage.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/channel/ChannelStorage.kt
index ac7d180..7176014 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/channel/ChannelStorage.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/chat/channel/ChannelStorage.kt
@@ -1,6 +1,6 @@
-package dev.m1sk9.lunaticChat.paper.channel
+package dev.m1sk9.lunaticChat.paper.chat.channel
 
-import dev.m1sk9.lunaticChat.engine.channel.modal.ChannelData
+import dev.m1sk9.lunaticChat.engine.chat.channel.ChannelData
 import dev.m1sk9.lunaticChat.engine.exception.ChannelStorageLoadException
 import dev.m1sk9.lunaticChat.engine.exception.ChannelStorageSaveException
 import kotlinx.serialization.json.Json
@@ -33,7 +33,7 @@ class ChannelStorage(
      * Loads channel data from disk.
      *
      * @return The loaded ChannelData.
-     * @throws dev.m1sk9.lunaticChat.engine.exception.ChannelStorageLoadException if there is an error loading the data.
+     * @throws ChannelStorageLoadException if there is an error loading the data.
      */
     fun loadFromDisk(): ChannelData {
         if (!channelsFile.exists()) {
@@ -61,7 +61,7 @@ class ChannelStorage(
      * Saves channel data to disk.
      *
      * @param data The ChannelData to save.
-     * @throws dev.m1sk9.lunaticChat.engine.exception.ChannelStorageSaveException if there is an error saving the data.
+     * @throws ChannelStorageSaveException if there is an error saving the data.
      */
     fun saveToDisk(data: ChannelData) {
         try {
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/ChannelCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/ChannelCommand.kt
index dfa7e9c..3e47c7e 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/ChannelCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/ChannelCommand.kt
@@ -4,8 +4,8 @@ import com.mojang.brigadier.builder.LiteralArgumentBuilder
 import dev.m1sk9.lunaticChat.engine.command.CommandResult
 import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
 import dev.m1sk9.lunaticChat.paper.LunaticChat
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelMembershipManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelMembershipManager
 import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
 import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
 import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/ChatModeCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/ChatModeCommand.kt
new file mode 100644
index 0000000..73a50e5
--- /dev/null
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/ChatModeCommand.kt
@@ -0,0 +1,84 @@
+package dev.m1sk9.lunaticChat.paper.command.impl.lc
+
+import com.mojang.brigadier.builder.LiteralArgumentBuilder
+import dev.m1sk9.lunaticChat.engine.command.CommandResult
+import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
+import dev.m1sk9.lunaticChat.paper.LunaticChat
+import dev.m1sk9.lunaticChat.paper.chat.ChatModeManager
+import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
+import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
+import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
+import dev.m1sk9.lunaticChat.paper.command.core.LunaticCommand
+import dev.m1sk9.lunaticChat.paper.command.impl.lc.chatmode.ChatModeToggleCommand
+import dev.m1sk9.lunaticChat.paper.i18n.LanguageManager
+import io.papermc.paper.command.brigadier.CommandSourceStack
+import io.papermc.paper.command.brigadier.Commands
+import net.kyori.adventure.text.Component
+import net.kyori.adventure.text.format.NamedTextColor
+
+@PlayerOnly
+class ChatModeCommand(
+    plugin: LunaticChat,
+    private val chatModeManager: ChatModeManager,
+    private val languageManager: LanguageManager,
+) : LunaticCommand(plugin) {
+    fun buildWithPermissionCheck(): LiteralArgumentBuilder<CommandSourceStack> {
+        val builder = build()
+        return applyMethodPermission("build", builder)
+    }
+
+    @Permission(LunaticChatPermissionNode.ChatMode::class)
+    fun build(): LiteralArgumentBuilder<CommandSourceStack> {
+        val chatModeCommand = Commands.literal("chatmode")
+
+        // Add toggle subcommand
+        chatModeCommand.then(
+            ChatModeToggleCommand(
+                plugin,
+                chatModeManager,
+                languageManager,
+            ).buildWithPermissionCheck(),
+        )
+
+        // Default behavior: show current chat mode
+        chatModeCommand.executes { ctx ->
+            val context = wrapContext(ctx)
+            checkPlayerOnly(context)?.let { return@executes handleResult(context, it) }
+
+            val result = showCurrentMode(context)
+            handleResult(context, result)
+        }
+
+        return chatModeCommand
+    }
+
+    private fun showCurrentMode(ctx: CommandContext): CommandResult {
+        val sender = ctx.requirePlayer()
+        val currentMode = chatModeManager.getChatMode(sender.uniqueId)
+
+        val modeKey =
+            when (currentMode) {
+                dev.m1sk9.lunaticChat.engine.chat.ChatMode.GLOBAL -> "chatmode.mode.global"
+                dev.m1sk9.lunaticChat.engine.chat.ChatMode.CHANNEL -> "chatmode.mode.channel"
+            }
+
+        val modeColor =
+            when (currentMode) {
+                dev.m1sk9.lunaticChat.engine.chat.ChatMode.GLOBAL -> NamedTextColor.GREEN
+                dev.m1sk9.lunaticChat.engine.chat.ChatMode.CHANNEL -> NamedTextColor.AQUA
+            }
+
+        sender.sendMessage(
+            Component
+                .text(languageManager.getMessage("chatmode.current") + ": ", NamedTextColor.GRAY)
+                .append(Component.text(languageManager.getMessage(modeKey), modeColor)),
+        )
+
+        return CommandResult.Success
+    }
+
+    override fun buildCommand(): LiteralArgumentBuilder<CommandSourceStack> =
+        throw UnsupportedOperationException(
+            "Should use build() method instead of buildCommand()",
+        )
+}
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/LunaticChatCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/LunaticChatCommand.kt
index c89f579..af08089 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/LunaticChatCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/LunaticChatCommand.kt
@@ -62,6 +62,17 @@ class LunaticChatCommand(
             }
         }
 
+        // Add chatmode command if chat mode manager is available
+        plugin.chatModeManager?.let { chatModeManager ->
+            command.then(
+                ChatModeCommand(
+                    plugin,
+                    chatModeManager,
+                    languageManager,
+                ).buildWithPermissionCheck(),
+            )
+        }
+
         return command
     }
 }
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelCreateCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelCreateCommand.kt
index 14254c8..29da990 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelCreateCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelCreateCommand.kt
@@ -3,11 +3,11 @@ package dev.m1sk9.lunaticChat.paper.command.impl.lc.channel
 import com.mojang.brigadier.arguments.BoolArgumentType
 import com.mojang.brigadier.arguments.StringArgumentType
 import com.mojang.brigadier.builder.LiteralArgumentBuilder
-import dev.m1sk9.lunaticChat.engine.channel.modal.Channel
+import dev.m1sk9.lunaticChat.engine.chat.channel.Channel
 import dev.m1sk9.lunaticChat.engine.command.CommandResult
 import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
 import dev.m1sk9.lunaticChat.paper.LunaticChat
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
 import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
 import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
 import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelDeleteCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelDeleteCommand.kt
index 4d547ea..9d39c70 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelDeleteCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelDeleteCommand.kt
@@ -7,7 +7,7 @@ import dev.m1sk9.lunaticChat.engine.exception.ChannelNoOwnerPermissionException
 import dev.m1sk9.lunaticChat.engine.exception.ChannelNotFoundException
 import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
 import dev.m1sk9.lunaticChat.paper.LunaticChat
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
 import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
 import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
 import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelJoinCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelJoinCommand.kt
index 4f40ad2..2a73199 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelJoinCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelJoinCommand.kt
@@ -8,8 +8,8 @@ import dev.m1sk9.lunaticChat.engine.exception.ChannelMemberAlreadyException
 import dev.m1sk9.lunaticChat.engine.exception.ChannelNotFoundException
 import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
 import dev.m1sk9.lunaticChat.paper.LunaticChat
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelMembershipManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelMembershipManager
 import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
 import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
 import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelLeaveCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelLeaveCommand.kt
index 7b09bde..299ad47 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelLeaveCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelLeaveCommand.kt
@@ -5,8 +5,8 @@ import dev.m1sk9.lunaticChat.engine.command.CommandResult
 import dev.m1sk9.lunaticChat.engine.exception.ChannelNotMemberException
 import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
 import dev.m1sk9.lunaticChat.paper.LunaticChat
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelMembershipManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelMembershipManager
 import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
 import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
 import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelListCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelListCommand.kt
index e2cdbb5..aaf05af 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelListCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelListCommand.kt
@@ -4,7 +4,7 @@ import com.mojang.brigadier.builder.LiteralArgumentBuilder
 import dev.m1sk9.lunaticChat.engine.command.CommandResult
 import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
 import dev.m1sk9.lunaticChat.paper.LunaticChat
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
 import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
 import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
 import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelStatusCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelStatusCommand.kt
index 7b5cabd..fa03965 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelStatusCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelStatusCommand.kt
@@ -4,8 +4,8 @@ import com.mojang.brigadier.builder.LiteralArgumentBuilder
 import dev.m1sk9.lunaticChat.engine.command.CommandResult
 import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
 import dev.m1sk9.lunaticChat.paper.LunaticChat
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelMembershipManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelMembershipManager
 import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
 import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
 import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelSwitchCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelSwitchCommand.kt
index ca62baf..13d44d2 100644
--- a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelSwitchCommand.kt
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/channel/ChannelSwitchCommand.kt
@@ -8,8 +8,8 @@ import dev.m1sk9.lunaticChat.engine.exception.ChannelNotFoundException
 import dev.m1sk9.lunaticChat.engine.exception.ChannelNotMemberException
 import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
 import dev.m1sk9.lunaticChat.paper.LunaticChat
-import dev.m1sk9.lunaticChat.paper.channel.ChannelManager
-import dev.m1sk9.lunaticChat.paper.channel.ChannelMembershipManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelManager
+import dev.m1sk9.lunaticChat.paper.chat.channel.ChannelMembershipManager
 import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
 import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
 import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/chatmode/ChatModeToggleCommand.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/chatmode/ChatModeToggleCommand.kt
new file mode 100644
index 0000000..cea1814
--- /dev/null
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/command/impl/lc/chatmode/ChatModeToggleCommand.kt
@@ -0,0 +1,71 @@
+package dev.m1sk9.lunaticChat.paper.command.impl.lc.chatmode
+
+import com.mojang.brigadier.builder.LiteralArgumentBuilder
+import dev.m1sk9.lunaticChat.engine.command.CommandResult
+import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
+import dev.m1sk9.lunaticChat.paper.LunaticChat
+import dev.m1sk9.lunaticChat.paper.chat.ChatModeManager
+import dev.m1sk9.lunaticChat.paper.command.annotation.Permission
+import dev.m1sk9.lunaticChat.paper.command.annotation.PlayerOnly
+import dev.m1sk9.lunaticChat.paper.command.core.CommandContext
+import dev.m1sk9.lunaticChat.paper.command.core.LunaticCommand
+import dev.m1sk9.lunaticChat.paper.i18n.LanguageManager
+import dev.m1sk9.lunaticChat.paper.i18n.MessageFormatter
+import io.papermc.paper.command.brigadier.CommandSourceStack
+import io.papermc.paper.command.brigadier.Commands
+import net.kyori.adventure.text.Component
+import net.kyori.adventure.text.format.NamedTextColor
+
+@PlayerOnly
+class ChatModeToggleCommand(
+    plugin: LunaticChat,
+    private val chatModeManager: ChatModeManager,
+    private val languageManager: LanguageManager,
+) : LunaticCommand(plugin) {
+    fun buildWithPermissionCheck(): LiteralArgumentBuilder<CommandSourceStack> {
+        val builder = build()
+        return applyMethodPermission("build", builder)
+    }
+
+    @Permission(LunaticChatPermissionNode.ChatModeToggle::class)
+    fun build(): LiteralArgumentBuilder<CommandSourceStack> =
+        Commands.literal("toggle").executes { ctx ->
+            val context = wrapContext(ctx)
+            checkPlayerOnly(context)?.let { return@executes handleResult(context, it) }
+
+            val result = execute(context)
+            handleResult(context, result)
+        }
+
+    private fun execute(ctx: CommandContext): CommandResult {
+        val sender = ctx.requirePlayer()
+        val newMode = chatModeManager.toggleChatMode(sender.uniqueId)
+
+        val modeKey =
+            when (newMode) {
+                dev.m1sk9.lunaticChat.engine.chat.ChatMode.GLOBAL -> "chatmode.mode.global"
+                dev.m1sk9.lunaticChat.engine.chat.ChatMode.CHANNEL -> "chatmode.mode.channel"
+            }
+
+        val modeColor =
+            when (newMode) {
+                dev.m1sk9.lunaticChat.engine.chat.ChatMode.GLOBAL -> NamedTextColor.GREEN
+                dev.m1sk9.lunaticChat.engine.chat.ChatMode.CHANNEL -> NamedTextColor.AQUA
+            }
+
+        sender.sendMessage(
+            Component
+                .text()
+                .append(MessageFormatter.formatSuccess(languageManager.getMessage("chatmode.toggle.success") + ": "))
+                .append(Component.text(languageManager.getMessage(modeKey), modeColor))
+                .build(),
+        )
+
+        return CommandResult.Success
+    }
+
+    override fun buildCommand(): LiteralArgumentBuilder<CommandSourceStack> =
+        throw UnsupportedOperationException(
+            "ChatModeToggleCommand should use build() method instead of buildCommand()",
+        )
+}
diff --git a/platform-paper/src/main/resources/languages/en.yml b/platform-paper/src/main/resources/languages/en.yml
index 6834428..91a4f3b 100644
--- a/platform-paper/src/main/resources/languages/en.yml
+++ b/platform-paper/src/main/resources/languages/en.yml
@@ -86,6 +86,14 @@ channel:
     clickToSwitch: "Click to switch"
     error: "Failed to retrieve channel status"
 
+chatmode:
+  current: "Current chat mode"
+  mode:
+    global: "GLOBAL"
+    channel: "CHANNEL"
+  toggle:
+    success: "Chat mode switched to"
+
 general:
   playerOnlyCommand: "This command can only be executed by players."
   newUpdateAvailable: "The new version of LunaticChat is now available! You can download it from GitHub or Modrinth."
diff --git a/platform-paper/src/main/resources/languages/ja.yml b/platform-paper/src/main/resources/languages/ja.yml
index 77be961..9e93ce9 100644
--- a/platform-paper/src/main/resources/languages/ja.yml
+++ b/platform-paper/src/main/resources/languages/ja.yml
@@ -86,6 +86,14 @@ channel:
     clickToSwitch: "クリックして切り替え"
     error: "チャンネルステータスの取得に失敗しました"
 
+chatmode:
+  current: "現在のチャットモード"
+  mode:
+    global: "グローバル"
+    channel: "チャンネル"
+  toggle:
+    success: "チャットモードを切り替えました"
+
 general:
   playerOnlyCommand: "このコマンドはプレイヤーのみが実行できます"
   newUpdateAvailable: "LunaticChat の新しいバージョンが利用可能です。GitHubまたはModrinthからダウンロードできます"