feat: add multi-guild support and text channel mapping persistence via Docker volume

.gitignore

@@ -3,3 +3,4 @@ __pycache__/
 *.pyc
 downloads/
 .DS_Store
+config/

bot.py

@@ -15,52 +15,80 @@ GUILD_ID = os.getenv('GUILD_ID')
 class MusicBot(commands.Cog):
     def __init__(self, bot):
         self.bot = bot
-        self.queue = []
-        self.current = None
-        self.volume = 1.0  # Domyślna głośność ustawiona na 100% (1.0)
-        self.loop_current = False
-        self.last_channel = None
+        self.queues = {}           # guild_id -> list
+        self.currents = {}         # guild_id -> player
+        self.volumes = {}          # guild_id -> volume float
+        self.loop_currents = {}    # guild_id -> bool
+        self.last_channels = {}    # guild_id -> text channel
 
-    def load_saved_channel_id(self):
-        if os.path.exists("config.json"):
+    def get_queue(self, guild_id: int):
+        if guild_id not in self.queues:
+            self.queues[guild_id] = []
+        return self.queues[guild_id]
+
+    def get_current(self, guild_id: int):
+        return self.currents.get(guild_id)
+
+    def set_current(self, guild_id: int, player):
+        self.currents[guild_id] = player
+
+    def get_volume(self, guild_id: int):
+        return self.volumes.get(guild_id, 1.0)
+
+    def set_volume(self, guild_id: int, volume: float):
+        self.volumes[guild_id] = volume
+
+    def get_loop_current(self, guild_id: int):
+        return self.loop_currents.get(guild_id, False)
+
+    def set_loop_current(self, guild_id: int, loop: bool):
+        self.loop_currents[guild_id] = loop
+
+    def load_saved_channel_id(self, guild_id: int):
+        config_path = "config/config.json"
+        if os.path.exists(config_path):
             try:
                 import json
-                with open("config.json", "r") as f:
+                with open(config_path, "r") as f:
                     data = json.load(f)
-                    return data.get("text_channel_id")
+                    val = data.get(str(guild_id))
+                    return int(val) if val is not None else None
             except Exception as e:
                 print(f"Error loading config: {e}")
         return None
 
-    def save_channel_id(self, channel_id):
+    def save_channel_id(self, guild_id: int, channel_id: int):
+        config_path = "config/config.json"
         try:
             import json
+            os.makedirs(os.path.dirname(config_path), exist_ok=True)
             data = {}
-            if os.path.exists("config.json"):
-                with open("config.json", "r") as f:
+            if os.path.exists(config_path):
+                with open(config_path, "r") as f:
                     data = json.load(f)
-            data["text_channel_id"] = channel_id
-            with open("config.json", "w") as f:
+            data[str(guild_id)] = channel_id
+            with open(config_path, "w") as f:
                 json.dump(data, f, indent=4)
         except Exception as e:
             print(f"Error saving config: {e}")
 
-    def get_notification_channel(self):
-        if self.last_channel:
-            return self.last_channel
+    def get_notification_channel(self, guild_id: int):
+        if self.last_channels.get(guild_id):
+            return self.last_channels[guild_id]
 
-        saved_id = self.load_saved_channel_id()
+        saved_id = self.load_saved_channel_id(guild_id)
         if saved_id:
             channel = self.bot.get_channel(int(saved_id))
             if channel:
-                self.last_channel = channel
+                self.last_channels[guild_id] = channel
                 return channel
 
-        voice_client = self.bot.voice_clients[0] if self.bot.voice_clients else None
-        if voice_client and voice_client.channel:
-            for tc in voice_client.channel.guild.text_channels:
-                if tc.permissions_for(voice_client.channel.guild.me).send_messages:
-                    self.last_channel = tc
+        # Fallback to the first accessible channel in the guild
+        guild = self.bot.get_guild(guild_id)
+        if guild:
+            for tc in guild.text_channels:
+                if tc.permissions_for(guild.me).send_messages:
+                    self.last_channels[guild_id] = tc
                     return tc
 
         return None
@@ -92,23 +120,24 @@ class MusicBot(commands.Cog):
             return
 
         await interaction.response.defer()
-        self.last_channel = interaction.channel
+        guild_id = interaction.guild.id
+        self.last_channels[guild_id] = interaction.channel
 
         try:
             player = await YTDLSource.from_url(query, loop=self.bot.loop, stream=True)
 
             if interaction.guild.voice_client.is_playing():
-                self.queue.append(player)
+                self.get_queue(guild_id).append(player)
                 await interaction.followup.send(
                     f"Dodano do kolejki: {player.title}",
                     ephemeral=False
                 )
             else:
-                self.current = player
+                self.set_current(guild_id, player)
                 interaction.guild.voice_client.play(
                     player,
                     after=lambda e: asyncio.run_coroutine_threadsafe(
-                        self.play_next(),
+                        self.play_next(guild_id),
                         self.bot.loop
                     )
                 )
@@ -122,45 +151,50 @@ class MusicBot(commands.Cog):
                 ephemeral=True
             )
 
-    async def play_next(self):
-        voice_client = self.bot.voice_clients[0] if self.bot.voice_clients else None
+    async def play_next(self, guild_id: int):
+        voice_client = discord.utils.get(self.bot.voice_clients, guild__id=guild_id)
         if not voice_client:
-            self.current = None
+            self.set_current(guild_id, None)
             return
 
-        if self.loop_current and self.current:
+        loop_current = self.get_loop_current(guild_id)
+        current = self.get_current(guild_id)
+
+        if loop_current and current:
             try:
-                url = self.current.data.get('webpage_url') or self.current.url
+                url = current.data.get('webpage_url') or current.url
                 player = await YTDLSource.from_url(url, loop=self.bot.loop, stream=True)
-                self.current = player
+                self.set_current(guild_id, player)
                 voice_client.play(
-                    self.current,
+                    player,
                     after=lambda e: asyncio.run_coroutine_threadsafe(
-                        self.play_next(),
+                        self.play_next(guild_id),
                         self.bot.loop
                     )
                 )
-                await self.send_to_last_channel(f"Teraz odtwarzane (zapętlone): {self.current.title}")
+                await self.send_to_last_channel(guild_id, f"Teraz odtwarzane (zapętlone): {player.title}")
                 return
             except Exception as e:
                 print(f"Error repeating song: {e}")
 
-        if len(self.queue) > 0:
-            self.current = self.queue.pop(0)
+        queue = self.get_queue(guild_id)
+        if len(queue) > 0:
+            next_player = queue.pop(0)
+            self.set_current(guild_id, next_player)
             voice_client.play(
-                self.current,
+                next_player,
                 after=lambda e: asyncio.run_coroutine_threadsafe(
-                    self.play_next(),
+                    self.play_next(guild_id),
                     self.bot.loop
                 )
             )
-            await self.send_to_last_channel(f"Teraz odtwarzane: {self.current.title}")
+            await self.send_to_last_channel(guild_id, f"Teraz odtwarzane: {next_player.title}")
         else:
-            self.current = None
-            await self.send_to_last_channel("Kolejka jest pusta.")
+            self.set_current(guild_id, None)
+            await self.send_to_last_channel(guild_id, "Kolejka jest pusta.")
 
-    async def send_to_last_channel(self, text):
-        channel = self.get_notification_channel()
+    async def send_to_last_channel(self, guild_id: int, text: str):
+        channel = self.get_notification_channel(guild_id)
         if channel:
             try:
                 await channel.send(text)
@@ -170,14 +204,16 @@ class MusicBot(commands.Cog):
     @app_commands.command(name="queue", description="Pokaż aktualną kolejkę")
     async def show_queue(self, interaction: discord.Interaction):
         """Pokaż aktualną kolejkę"""
-        if not self.queue:
+        guild_id = interaction.guild.id
+        queue = self.get_queue(guild_id)
+        if not queue:
             await interaction.response.send_message(
                 "Kolejka jest pusta.",
                 ephemeral=True
             )
             return
 
-        queue_list = "\n".join([f"{i + 1}. {item.title}" for i, item in enumerate(self.queue)])
+        queue_list = "\n".join([f"{i + 1}. {item.title}" for i, item in enumerate(queue)])
         await interaction.response.send_message(
             f"Aktualna kolejka:\n{queue_list}",
             ephemeral=False
@@ -231,10 +267,11 @@ class MusicBot(commands.Cog):
     @app_commands.command(name="stop", description="Zatrzymaj odtwarzanie i wyczyść kolejkę")
     async def stop(self, interaction: discord.Interaction):
         """Zatrzymaj odtwarzanie i wyczyść kolejkę"""
+        guild_id = interaction.guild.id
         if interaction.guild.voice_client.is_playing():
             interaction.guild.voice_client.stop()
-        self.queue.clear()
-        self.current = None
+        self.get_queue(guild_id).clear()
+        self.set_current(guild_id, None)
         await interaction.response.send_message(
             "Zatrzymano odtwarzanie i wyczyszczono kolejkę.",
             ephemeral=False
@@ -244,6 +281,7 @@ class MusicBot(commands.Cog):
     @app_commands.describe(volume="Poziom głośności (1-100)")
     async def volume(self, interaction: discord.Interaction, volume: int):
         """Zmień głośność odtwarzacza"""
+        guild_id = interaction.guild.id
         if interaction.guild.voice_client is None:
             return await interaction.response.send_message(
                 "Nie połączono z kanałem głosowym.",
@@ -251,8 +289,8 @@ class MusicBot(commands.Cog):
             )
 
         if 0 < volume <= 100:
-            self.volume = volume / 100
-            interaction.guild.voice_client.source.volume = self.volume
+            self.set_volume(guild_id, volume / 100)
+            interaction.guild.voice_client.source.volume = self.get_volume(guild_id)
             await interaction.response.send_message(
                 f"Zmieniono głośność na {volume}%",
                 ephemeral=False
@@ -268,9 +306,11 @@ class MusicBot(commands.Cog):
     @app_commands.command(name="nowplaying", description="Pokaż aktualnie odtwarzany utwór")
     async def now_playing(self, interaction: discord.Interaction):
         """Pokaż aktualnie odtwarzany utwór"""
-        if self.current:
+        guild_id = interaction.guild.id
+        current = self.get_current(guild_id)
+        if current:
             await interaction.response.send_message(
-                f"Teraz odtwarzane: {self.current.title}",
+                f"Teraz odtwarzane: {current.title}",
                 ephemeral=False
             )
         else:
@@ -282,10 +322,11 @@ class MusicBot(commands.Cog):
     @app_commands.command(name="leave", description="Odłącz bota od kanału głosowego")
     async def leave(self, interaction: discord.Interaction):
         """Odłącz bota od kanału głosowego"""
+        guild_id = interaction.guild.id
         if interaction.guild.voice_client is not None:
             await interaction.guild.voice_client.disconnect()
-            self.queue.clear()
-            self.current = None
+            self.get_queue(guild_id).clear()
+            self.set_current(guild_id, None)
             await interaction.response.send_message(
                 "Rozłączono z kanału głosowego.",
                 ephemeral=False
@@ -299,8 +340,10 @@ class MusicBot(commands.Cog):
     @app_commands.command(name="loop", description="Włącz/wyłącz zapętlanie aktualnego utworu")
     async def loop_command(self, interaction: discord.Interaction):
         """Włącz/wyłącz zapętlanie aktualnego utworu"""
-        self.loop_current = not self.loop_current
-        state = "włączone" if self.loop_current else "wyłączone"
+        guild_id = interaction.guild.id
+        loop_current = not self.get_loop_current(guild_id)
+        self.set_loop_current(guild_id, loop_current)
+        state = "włączone" if loop_current else "wyłączone"
         await interaction.response.send_message(
             f"Zapętlanie aktualnego utworu zostało {state}.",
             ephemeral=False

compose.yaml

@@ -8,4 +8,6 @@ services:
       - "80:8000"
     environment:
       - DISCORD_TOKEN=${DISCORD_TOKEN}
+    volumes:
+      - ./config:/app/config
     restart: unless-stopped

web.py

@@ -3,6 +3,7 @@ from fastapi.staticfiles import StaticFiles
 from pydantic import BaseModel
 from typing import List, Optional
 import asyncio
+import discord
 
 # Import bot instance and YTDL class
 from bot import bot
@@ -33,6 +34,15 @@ class ConnectRequest(BaseModel):
 class TextChannelRequest(BaseModel):
     channel_id: str
 
+# Helper to determine active guild
+def get_active_guild():
+    voice_client = bot.voice_clients[0] if bot.voice_clients else None
+    if voice_client:
+        return voice_client.guild
+    elif bot.guilds:
+        return bot.guilds[0]
+    return None
+
 # FastAPI Endpoints
 @app.get("/api/status")
 async def get_status():
@@ -40,7 +50,25 @@ async def get_status():
     if not music_cog:
         return {"error": "MusicBot cog not loaded"}
         
-    voice_client = bot.voice_clients[0] if bot.voice_clients else None
+    guild = get_active_guild()
+    if not guild:
+        return {
+            "playing": False,
+            "paused": False,
+            "loop_single": False,
+            "volume": 100,
+            "current": None,
+            "queue": [],
+            "voice_channels": [],
+            "active_voice_channel": None,
+            "text_channels": [],
+            "active_text_channel_id": None
+        }
+        
+    guild_id = guild.id
+    
+    # Active voice channel
+    voice_client = discord.utils.get(bot.voice_clients, guild__id=guild_id)
     active_vc = None
     if voice_client and voice_client.channel:
         active_vc = {
@@ -50,9 +78,8 @@ async def get_status():
             "guild_id": str(voice_client.channel.guild.id)
         }
         
-    # Gather voice channels available to the bot across all guilds
+    # Gather voice channels available to the bot on this active guild
     channels = []
-    for guild in bot.guilds:
     for channel in guild.voice_channels:
         channels.append({
             "guild_name": guild.name,
@@ -61,9 +88,8 @@ async def get_status():
             "channel_id": str(channel.id)
         })
             
-    # Gather text channels available to the bot across all guilds where it has send permissions
+    # Gather text channels available to the bot on this active guild where it can write
     text_channels = []
-    for guild in bot.guilds:
     for channel in guild.text_channels:
         if channel.permissions_for(guild.me).send_messages:
             text_channels.append({
@@ -74,29 +100,32 @@ async def get_status():
             })
                 
     active_tc_id = None
-    active_tc = music_cog.get_notification_channel()
+    active_tc = music_cog.get_notification_channel(guild_id)
     if active_tc:
         active_tc_id = str(active_tc.id)
         
     playing = voice_client.is_playing() if voice_client else False
     paused = voice_client.is_paused() if voice_client else False
     
+    current_track = music_cog.get_current(guild_id)
+    queue = music_cog.get_queue(guild_id)
+    
     return {
         "playing": playing,
         "paused": paused,
-        "loop_single": music_cog.loop_current,
-        "volume": int(music_cog.volume * 100),
+        "loop_single": music_cog.get_loop_current(guild_id),
+        "volume": int(music_cog.get_volume(guild_id) * 100),
         "current": {
-            "title": music_cog.current.title,
-            "url": music_cog.current.data.get("webpage_url") or music_cog.current.url,
-            "id": music_cog.current.id
-        } if music_cog.current else None,
+            "title": current_track.title,
+            "url": current_track.data.get("webpage_url") or current_track.url,
+            "id": current_track.id
+        } if current_track else None,
         "queue": [
             {
                 "title": item.title,
                 "url": item.data.get("webpage_url") or item.url,
                 "id": item.id
-            } for item in music_cog.queue
+            } for item in queue
         ],
         "voice_channels": channels,
         "active_voice_channel": active_vc,
@@ -110,54 +139,71 @@ async def api_play(req: PlayRequest):
     if not music_cog:
         raise HTTPException(status_code=500, detail="MusicBot cog not loaded")
         
-    voice_client = bot.voice_clients[0] if bot.voice_clients else None
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
+        
+    guild_id = guild.id
+    voice_client = discord.utils.get(bot.voice_clients, guild__id=guild_id)
     if not voice_client:
-        raise HTTPException(status_code=400, detail="Bot is not connected to a voice channel")
+        raise HTTPException(status_code=400, detail="Bot is not connected to a voice channel on this server")
         
     try:
         player = await YTDLSource.from_url(req.query, loop=bot.loop, stream=True)
         
         if voice_client.is_playing() or voice_client.is_paused():
-            music_cog.queue.append(player)
-            await music_cog.send_to_last_channel(f"Dodano do kolejki (Web): {player.title}")
+            music_cog.get_queue(guild_id).append(player)
+            await music_cog.send_to_last_channel(guild_id, f"Dodano do kolejki (Web): {player.title}")
             return {"status": "queued", "title": player.title}
         else:
-            music_cog.current = player
+            music_cog.set_current(guild_id, player)
             voice_client.play(
                 player,
                 after=lambda e: asyncio.run_coroutine_threadsafe(
-                    music_cog.play_next(),
+                    music_cog.play_next(guild_id),
                     bot.loop
                 )
             )
-            await music_cog.send_to_last_channel(f"Teraz odtwarzane (Web): {player.title}")
+            await music_cog.send_to_last_channel(guild_id, f"Teraz odtwarzane (Web): {player.title}")
             return {"status": "playing", "title": player.title}
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
 @app.post("/api/pause")
 async def api_pause():
-    voice_client = bot.voice_clients[0] if bot.voice_clients else None
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
+        
+    voice_client = discord.utils.get(bot.voice_clients, guild__id=guild.id)
     if voice_client and voice_client.is_playing():
         voice_client.pause()
         return {"status": "paused"}
-    raise HTTPException(status_code=400, detail="Bot is not playing")
+    raise HTTPException(status_code=400, detail="Bot is not playing on this server")
 
 @app.post("/api/resume")
 async def api_resume():
-    voice_client = bot.voice_clients[0] if bot.voice_clients else None
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
+        
+    voice_client = discord.utils.get(bot.voice_clients, guild__id=guild.id)
     if voice_client and voice_client.is_paused():
         voice_client.resume()
         return {"status": "resumed"}
-    raise HTTPException(status_code=400, detail="Bot is not paused")
+    raise HTTPException(status_code=400, detail="Bot is not paused on this server")
 
 @app.post("/api/skip")
 async def api_skip():
-    voice_client = bot.voice_clients[0] if bot.voice_clients else None
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
+        
+    voice_client = discord.utils.get(bot.voice_clients, guild__id=guild.id)
     if voice_client and (voice_client.is_playing() or voice_client.is_paused()):
         voice_client.stop()
         return {"status": "skipped"}
-    raise HTTPException(status_code=400, detail="Bot is not playing anything")
+    raise HTTPException(status_code=400, detail="Bot is not playing anything on this server")
 
 @app.post("/api/stop")
 async def api_stop():
@@ -165,12 +211,17 @@ async def api_stop():
     if not music_cog:
         raise HTTPException(status_code=500, detail="MusicBot cog not loaded")
         
-    voice_client = bot.voice_clients[0] if bot.voice_clients else None
+    guild = get_active_guild()
+    if not guild:
+        return {"status": "stopped"}
+        
+    guild_id = guild.id
+    voice_client = discord.utils.get(bot.voice_clients, guild__id=guild_id)
     if voice_client and (voice_client.is_playing() or voice_client.is_paused()):
         voice_client.stop()
         
-    music_cog.queue.clear()
-    music_cog.current = None
+    music_cog.get_queue(guild_id).clear()
+    music_cog.set_current(guild_id, None)
     return {"status": "stopped"}
 
 @app.post("/api/volume")
@@ -179,11 +230,16 @@ async def api_volume(req: VolumeRequest):
     if not music_cog:
         raise HTTPException(status_code=500, detail="MusicBot cog not loaded")
         
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
+        
+    guild_id = guild.id
     if 0 <= req.volume <= 100:
-        music_cog.volume = req.volume / 100
-        voice_client = bot.voice_clients[0] if bot.voice_clients else None
+        music_cog.set_volume(guild_id, req.volume / 100)
+        voice_client = discord.utils.get(bot.voice_clients, guild__id=guild_id)
         if voice_client and voice_client.source:
-            voice_client.source.volume = music_cog.volume
+            voice_client.source.volume = music_cog.get_volume(guild_id)
         return {"status": "success", "volume": req.volume}
     raise HTTPException(status_code=400, detail="Volume must be between 0 and 100")
 
@@ -193,7 +249,11 @@ async def api_loop(req: LoopRequest):
     if not music_cog:
         raise HTTPException(status_code=500, detail="MusicBot cog not loaded")
         
-    music_cog.loop_current = req.loop
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
+        
+    music_cog.set_loop_current(guild.id, req.loop)
     return {"status": "success", "loop": req.loop}
 
 @app.post("/api/remove")
@@ -202,10 +262,17 @@ async def api_remove(req: RemoveRequest):
     if not music_cog:
         raise HTTPException(status_code=500, detail="MusicBot cog not loaded")
         
-    initial_len = len(music_cog.queue)
-    music_cog.queue = [item for item in music_cog.queue if item.id != req.id]
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
         
-    if len(music_cog.queue) < initial_len:
+    guild_id = guild.id
+    queue = music_cog.get_queue(guild_id)
+    initial_len = len(queue)
+    new_queue = [item for item in queue if item.id != req.id]
+    music_cog.queues[guild_id] = new_queue
+    
+    if len(new_queue) < initial_len:
         return {"status": "removed"}
     raise HTTPException(status_code=404, detail="Track not found in queue")
 
@@ -215,7 +282,13 @@ async def api_reorder(req: ReorderRequest):
     if not music_cog:
         raise HTTPException(status_code=500, detail="MusicBot cog not loaded")
         
-    queue_map = {item.id: item for item in music_cog.queue}
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
+        
+    guild_id = guild.id
+    queue = music_cog.get_queue(guild_id)
+    queue_map = {item.id: item for item in queue}
     
     new_queue = []
     for track_id in req.queue_ids:
@@ -223,11 +296,11 @@ async def api_reorder(req: ReorderRequest):
             new_queue.append(queue_map[track_id])
             
     # Retain any items not present in the reordered IDs list
-    for item in music_cog.queue:
+    for item in queue:
         if item.id not in req.queue_ids:
             new_queue.append(item)
             
-    music_cog.queue = new_queue
+    music_cog.queues[guild_id] = new_queue
     return {"status": "success"}
 
 @app.post("/api/connect")
@@ -241,35 +314,43 @@ async def api_connect(req: ConnectRequest):
     if not channel:
         raise HTTPException(status_code=404, detail="Voice channel not found")
         
-    if bot.voice_clients:
+    guild_id = channel.guild.id
+    
+    # Only disconnect voice clients from the SAME guild!
     for vc in bot.voice_clients:
+        if vc.guild.id == guild_id:
             await vc.disconnect()
             
     await channel.connect()
     
     music_cog = bot.get_cog("MusicBot")
-    if music_cog and not music_cog.last_channel:
+    if music_cog and not music_cog.get_notification_channel(guild_id):
         # Save first accessible text channel to send updates
         for tc in channel.guild.text_channels:
             if tc.permissions_for(channel.guild.me).send_messages:
-                music_cog.last_channel = tc
+                music_cog.last_channels[guild_id] = tc
                 break
                 
     return {"status": "connected", "channel": channel.name}
 
 @app.post("/api/disconnect")
 async def api_disconnect():
-    if bot.voice_clients:
-        for vc in bot.voice_clients:
-            await vc.disconnect()
+    guild = get_active_guild()
+    if not guild:
+        raise HTTPException(status_code=400, detail="Bot has no active server context")
+        
+    guild_id = guild.id
+    voice_client = discord.utils.get(bot.voice_clients, guild__id=guild_id)
+    if voice_client:
+        await voice_client.disconnect()
             
         music_cog = bot.get_cog("MusicBot")
         if music_cog:
-            music_cog.queue.clear()
-            music_cog.current = None
+            music_cog.get_queue(guild_id).clear()
+            music_cog.set_current(guild_id, None)
             
         return {"status": "disconnected"}
-    raise HTTPException(status_code=400, detail="Bot not connected to voice")
+    raise HTTPException(status_code=400, detail="Bot not connected to voice on this server")
 
 @app.post("/api/settings/text_channel")
 async def api_set_text_channel(req: TextChannelRequest):
@@ -281,10 +362,11 @@ async def api_set_text_channel(req: TextChannelRequest):
     if not channel:
         raise HTTPException(status_code=404, detail="Text channel not found")
         
-    music_cog.last_channel = channel
-    music_cog.save_channel_id(int(req.channel_id))
+    guild_id = channel.guild.id
+    music_cog.last_channels[guild_id] = channel
+    music_cog.save_channel_id(guild_id, int(req.channel_id))
     
-    # Send test message to confirm in Polish with new bot name
+    # Send test message to confirm
     try:
         await channel.send(f"🔔 Ten kanał został ustawiony jako główny kanał powiadomień dla ŻyrarBOT z panelu webowego.")
     except Exception as e: