fix: stability issues

src/main/kotlin/org/kraftwerk28/spigot_tg_bridge/AsyncJavaPlugin.kt

@@ -2,15 +2,13 @@ package org.kraftwerk28.spigot_tg_bridge
 
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.joinAll
+import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import org.bukkit.plugin.java.JavaPlugin
 
 open class AsyncJavaPlugin : JavaPlugin() {
     private val scope = CoroutineScope(Dispatchers.Default)
-    private val jobs: MutableList<Job> = mutableListOf()
 
     override fun onEnable() {
         runBlocking { onEnableAsync() }
@@ -19,7 +17,7 @@ open class AsyncJavaPlugin : JavaPlugin() {
     override fun onDisable() {
         runBlocking {
             onDisableAsync()
-            jobs.joinAll()
+            scope.cancel()
         }
     }
 
@@ -27,9 +25,5 @@ open class AsyncJavaPlugin : JavaPlugin() {
 
     open suspend fun onDisableAsync() = Unit
 
-    fun <T> launch(f: suspend () -> T) = scope.launch {
-        f()
-    }.also {
-        jobs.add(it)
-    }
+    fun <T> launch(f: suspend () -> T) = scope.launch { f() }
 }

src/main/kotlin/org/kraftwerk28/spigot_tg_bridge/Plugin.kt

@@ -82,6 +82,7 @@ class Plugin : AsyncJavaPlugin() {
             eventHandler?.let { HandlerList.unregisterAll(it) }
             tgBot?.run { stop() }
             tgBot = TgBot(this, config).also { bot ->
+                bot.startPolling()
                 eventHandler = EventHandler(this, config, bot).also {
                     server.pluginManager.registerEvents(it, this)
                 }

src/main/kotlin/org/kraftwerk28/spigot_tg_bridge/TgBot.kt

@@ -14,6 +14,14 @@ import java.time.Duration
 import org.kraftwerk28.spigot_tg_bridge.Constants as C
 
 typealias UpdateRequest = Call<TgResponse<List<Update>>>?
+typealias CmdHandler = suspend (HandlerContext) -> Unit
+
+data class HandlerContext(
+    val update: Update,
+    val message: Message?,
+    val chat: Chat?,
+    val commandArgs: List<String>,
+)
 
 class TgBot(
     private val plugin: Plugin,
@@ -27,16 +35,16 @@ class TgBot(
     private var currentOffset: Long = -1
     private var me: User? = null
     private var commandRegex: Regex? = null
-    private val commandMap: Map<String?, suspend (u: Update) -> Unit> =
-        config.commands.run {
-            mapOf(
-                online to ::onlineHandler,
-                time to ::timeHandler,
-                chatID to ::chatIdHandler,
-                linkIgn to ::linkIgnHandler,
-                getAllLinked to ::getLinkedUsersHandler,
-            )
-        }
+    private val commandMap: Map<String?, CmdHandler> = config.commands.run {
+        mapOf(
+            online to ::onlineHandler,
+            time to ::timeHandler,
+            chatID to ::chatIdHandler,
+            // TODO:
+            // linkIgn to ::linkIgnHandler,
+            // getAllLinked to ::getLinkedUsersHandler,
+        )
+    }
 
     init {
         client = OkHttpClient
@@ -55,7 +63,7 @@ class TgBot(
         me = api.getMe().result!!
         // I intentionally don't put optional @username in regex
         // since bot is only used in group chats
-        commandRegex = """^\/(\w+)(?:@${me!!.username})$""".toRegex()
+        commandRegex = """^\/(\w+)(?:@${me!!.username})(?:\s+(.+))?$""".toRegex()
         val commands = config.commands.run { listOf(time, online, chatID) }
             .zip(
                 C.COMMAND_DESC.run {
@@ -118,17 +126,26 @@ class TgBot(
         // Ignore PM or channel
         if (listOf("private", "channel").contains(update.message?.chat?.type))
             return
+        var ctx = HandlerContext(
+            update,
+            update.message,
+            update.message?.chat,
+            listOf(),
+        )
         update.message?.text?.let {
             commandRegex?.matchEntire(it)?.groupValues?.let {
-                commandMap.get(it[1])?.let { it(update) }
+                commandMap.get(it[1])?.run {
+                    val args = it[2].split("\\s+".toRegex())
+                    this(ctx.copy(commandArgs = args))
+                }
             } ?: run {
-                onTextHandler(update)
+                onTextHandler(ctx)
             }
         }
     }
 
-    private suspend fun timeHandler(update: Update) {
-        val msg = update.message!!
+    private suspend fun timeHandler(ctx: HandlerContext) {
+        val msg = ctx.message!!
         if (!config.allowedChats.contains(msg.chat.id)) {
             return
         }
@@ -154,8 +171,8 @@ class TgBot(
         api.sendMessage(msg.chat.id, text, replyToMessageId = msg.messageId)
     }
 
-    private suspend fun onlineHandler(update: Update) {
-        val msg = update.message!!
+    private suspend fun onlineHandler(ctx: HandlerContext) {
+        val msg = ctx.message!!
         if (!config.allowedChats.contains(msg.chat.id)) {
             return
         }
@@ -170,8 +187,8 @@ class TgBot(
         api.sendMessage(msg.chat.id, text, replyToMessageId = msg.messageId)
     }
 
-    private suspend fun chatIdHandler(update: Update) {
-        val msg = update.message!!
+    private suspend fun chatIdHandler(ctx: HandlerContext) {
+        val msg = ctx.message!!
         val chatId = msg.chat.id
         val text = """
         |Chat ID: <code>$chatId</code>.
@@ -184,25 +201,45 @@ class TgBot(
         api.sendMessage(chatId, text, replyToMessageId = msg.messageId)
     }
 
-    private suspend fun linkIgnHandler(update: Update) {
-        val tgUser = update.message!!.from!!
-        val mcUuid = getMinecraftUuidByUsername(update.message.text!!)
-        if (mcUuid == null) {
+    private suspend fun linkIgnHandler(ctx: HandlerContext) {
+        val tgUser = ctx.message!!.from!!
+        val mcUuid = getMinecraftUuidByUsername(ctx.message.text!!)
+        if (mcUuid == null || ctx.commandArgs.size < 1) {
             // Respond...
             return
         }
+        val (minecraftIgn) = ctx.commandArgs
         val linked = plugin.ignAuth?.linkUser(
             tgId = tgUser.id,
             tgFirstName = tgUser.firstName,
             tgLastName = tgUser.lastName,
-            minecraftUsername = tgUser.username,
+            minecraftUsername = minecraftIgn,
             minecraftUuid = mcUuid,
-        )
-        println(tgUser.toString())
+        ) ?: false
+        if (linked) {
+            // TODO
+        }
     }
 
-    private suspend fun onTextHandler(update: Update) {
-        val msg = update.message!!
+    private suspend fun getLinkedUsersHandler(ctx: HandlerContext) {
+        val linkedUsers = plugin.ignAuth?.run {
+            getAllLinkedUsers()
+        } ?: listOf()
+        if (linkedUsers.isEmpty()) {
+            api.sendMessage(ctx.message!!.chat.id, "No linked users.")
+        } else {
+            val text = "<b>Linked users:</b>\n" +
+                linkedUsers.mapIndexed { i, dbUser ->
+                    "${i + 1}. ${dbUser.fullName()}"
+                }.joinToString("\n")
+            api.sendMessage(ctx.message!!.chat.id, text)
+        }
+    }
+
+    private suspend fun onTextHandler(
+        @Suppress("unused_parameter") ctx: HandlerContext
+    ) {
+        val msg = ctx.message!!
         if (!config.logFromTGtoMC || msg.from == null)
             return
         plugin.sendMessageToMinecraft(
@@ -212,21 +249,6 @@ class TgBot(
         )
     }
 
-    private suspend fun getLinkedUsersHandler(update: Update) {
-        val linkedUsers = plugin.ignAuth?.run {
-            getAllLinkedUsers()
-        } ?: listOf()
-        if (linkedUsers.isEmpty()) {
-            api.sendMessage(update.message!!.chat.id, "No linked users.")
-        } else {
-            val text = "<b>Linked users:</b>\n" +
-                linkedUsers.mapIndexed { i, dbUser ->
-                    "${i + 1}. ${dbUser.fullName()}"
-                }.joinToString("\n")
-            api.sendMessage(update.message!!.chat.id, text)
-        }
-    }
-
     suspend fun sendMessageToTelegram(text: String, username: String? = null) {
         val formatted = username?.let {
             config.telegramFormat