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

# Load environment variables
load_dotenv()

# Check if cookies.txt exists
if not os.path.exists('cookies.txt'):
    txt = os.getenv('COOKIES')
    with open('cookies.txt', 'w') as f:
        f.write(txt)

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

class MusicBot:
    def __init__(self):
        self.is_playing = False
        self.voice_client = None
        self.queue = []
        self.ydl_opts = {
            'format': 'bestaudio/best',
            'cookiefile': 'cookies.txt',
            'cookies': 'cookies.txt',
            'quiet': True,
            'no_warnings': True,
            'extract_flat': 'in_playlist'
        }

    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)
            return True
        return False

    async def play_next(self, ctx):
        if self.queue and not self.is_playing:
            self.is_playing = True
            url = self.queue.pop(0)
            
            try:
                with yt_dlp.YoutubeDL(self.ydl_opts) as ydl:
                    info = ydl.extract_info(url, download=False)
                    audio_url = info['url']
                    title = info.get('title', 'Unknown title')
                
                # Create FFmpeg audio source
                ffmpeg_options = {
                    'before_options': '-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5',
                    'options': '-vn -bufsize 64k'
                }
                audio_source = discord.FFmpegPCMAudio(audio_url, **ffmpeg_options)
                
                def after_playing(error):
                    self.is_playing = False
                    if error:
                        print(f"Playback error: {error}")
                    asyncio.run_coroutine_threadsafe(self.play_next(ctx), bot.loop)

                # Apply volume transformation and play
                transformed_source = discord.PCMVolumeTransformer(audio_source, volume=0.5)
                self.voice_client.play(transformed_source, after=after_playing)
                
                await ctx.send(f"Now playing: {title}")
                
            except Exception as e:
                print(f"Error playing URL {url}: {e}")
                self.is_playing = False
                await ctx.send(f"Error playing the song: {str(e)}")
                await self.play_next(ctx)

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 a YouTube URL")
async def play(interaction: discord.Interaction, url: str):
    await interaction.response.defer()
    ctx = await commands.Context.from_interaction(interaction)
    
    if not await music_bot.join_voice(ctx):
        await interaction.followup.send("You need to be in a voice channel!")
        return

    try:
        with yt_dlp.YoutubeDL(music_bot.ydl_opts) as ydl:
            info = ydl.extract_info(url, download=False)
            title = info.get('title', 'Unknown title')
        
        music_bot.queue.append(url)
        await interaction.followup.send(f'Added to queue: {title}')
        
        if not music_bot.is_playing:
            await music_bot.play_next(ctx)
    except Exception as e:
        await interaction.followup.send(f'Error: {str(e)}')

@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!')

@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)