import discord
from discord.ext import commands
from huggingface_hub import hf_hub_download
import gradio as gr 
from dotenv import load_dotenv
import os
import threading
import asyncio


# Load environment variables
load_dotenv()

# Download song 
if os.path.exists('assets') is False:
    os.makedirs('assets', exist_ok=True)
    hf_hub_download("not-lain/assets", "sample.mp3", repo_type="dataset",local_dir="assets")

# Bot configuration
intents = discord.Intents.default()
intents.message_content = True
bot = commands.Bot(command_prefix='!', intents=intents)

# Music bot class
class MusicBot:
    def __init__(self):
        self.is_playing = False
        self.voice_client = None

    async def join_voice(self, ctx):
        if ctx.author.voice:
            channel = ctx.author.voice.channel
            if self.voice_client is None:
                self.voice_client = await channel.connect()
            else:
                await self.voice_client.move_to(channel)
        else:
            await ctx.send("You need to be in a voice channel!")

    async def play_next(self, ctx):
        if not self.is_playing:
            self.is_playing = True
            try:
                audio_source = discord.FFmpegPCMAudio("assets/sample.mp3")
                def after_playing(e):
                    self.is_playing = False
                    # test loop by default
                    if e:
                        print(f"Playback error: {e}")
                    asyncio.run_coroutine_threadsafe(self.play_next(ctx), bot.loop)
                self.voice_client.play(audio_source, after=after_playing)
            except Exception as e:
                print(f"Error playing file: {e}")
                await ctx.send("Error playing the song.")
                self.is_playing = False

music_bot = MusicBot()

@bot.event
async def on_ready():
    print(f'Bot is ready! Logged in as {bot.user}')
    print("Syncing commands...")
    try:
        await bot.tree.sync(guild=None)  # Set to None for global sync
        print("Successfully synced commands globally!")
    except discord.app_commands.errors.CommandSyncFailure as e:
        print(f"Failed to sync commands: {e}")
    except Exception as e:
        print(f"An error occurred while syncing commands: {e}")

@bot.tree.command(name="play", description="Play the sample music")
async def play(interaction: discord.Interaction):
    await interaction.response.defer()
    ctx = await commands.Context.from_interaction(interaction)
    await music_bot.join_voice(ctx)
    
    if not music_bot.is_playing:
        await music_bot.play_next(ctx)
        await interaction.followup.send('Playing sample music!')
    else:
        await interaction.followup.send('Already playing!')

# Replace the existing skip command with this version
@bot.tree.command(name="skip", description="Skip the current song")
async def skip(interaction: discord.Interaction):
    if music_bot.voice_client:
        music_bot.voice_client.stop()
        await interaction.response.send_message('Skipped current song!')
    else:
        await interaction.response.send_message('No song is currently playing!')

# Replace the existing leave command with this version
@bot.tree.command(name="leave", description="Disconnect bot from voice channel")
async def leave(interaction: discord.Interaction):
    if music_bot.voice_client:
        await music_bot.voice_client.disconnect()
        music_bot.voice_client = None
        music_bot.queue = []
        music_bot.is_playing = False
        await interaction.response.send_message('Bot disconnected!')
    else:
        await interaction.response.send_message('Bot is not in a voice channel!')

def run_discord_bot():
    bot.run(os.getenv('DISCORD_TOKEN'))

# Create the Gradio interface
with gr.Blocks() as iface:
    gr.Markdown("# Discord Music Bot Control Panel")
    gr.Markdown("Bot is running in background")
    
if __name__ == "__main__":
    # Start the Discord bot in a separate thread
    bot_thread = threading.Thread(target=run_discord_bot, daemon=True)
    bot_thread.start()
    
    # Run Gradio interface in the main thread
    iface.launch(debug=True)