import discord
import yt_dlp
import asyncio

voice_clients = {}  # Track active voice connections
music_queues = {}  # Per-guild song queue
current_tracks = {}  # Currently playing tracks
volumes = {}  # Volume levels per guild
default_volume = 0.5  # Default volume (50%)


async def play_audio(interaction: discord.Interaction, query: str):
    guild_id = interaction.guild.id

    if guild_id not in voice_clients:
        await interaction.response.send_message("Amber is not connected to a voice channel.")
        return

    voice_client = voice_clients[guild_id]

    if not voice_client.is_connected():
        await interaction.response.send_message("Amber is not in a voice channel.")
        return

    await interaction.response.defer()

    # Search for the song on YouTube
    ydl_opts = {
        'format': 'bestaudio/best',
        'quiet': True,
    }
    with yt_dlp.YoutubeDL(ydl_opts) as ydl:
        try:
            info = ydl.extract_info(f"ytsearch:{query}", download=False)['entries'][0]
        except Exception as e:
            await interaction.followup.send(f"Failed to find or play the requested audio. Error: {str(e)}")
            return

    song_url = info['url']
    title = info.get('title', 'Unknown Title')

    # Add the song to the queue
    if guild_id not in music_queues:
        music_queues[guild_id] = []

    music_queues[guild_id].append((song_url, title))
    await interaction.followup.send(f"✅ **Added to queue:** {title}")

    # If nothing is playing, start playback
    if not voice_client.is_playing():
        await play_next(interaction)


async def play_next(interaction: discord.Interaction):
    guild_id = interaction.guild.id

    if guild_id not in music_queues or not music_queues[guild_id]:
        await interaction.followup.send("❌ **No songs in the queue.**")
        return

    voice_client = voice_clients[guild_id]
    song_url, title = music_queues[guild_id].pop(0)
    current_tracks[guild_id] = title

    # Prepare FFmpeg options
    ffmpeg_options = {
        'before_options': '-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5',
        'options': '-vn',
    }

    try:
        source = discord.FFmpegPCMAudio(song_url, **ffmpeg_options)
        volume = volumes.get(guild_id, default_volume)
        source = discord.PCMVolumeTransformer(source, volume=volume)

        # Play the audio
        voice_client.play(
            source,
            after=lambda e: asyncio.run_coroutine_threadsafe(
                play_next(interaction), interaction.client.loop
            ),
        )

        await interaction.followup.send(f"🎵 **Now playing:** {title}")
    except Exception as e:
        await interaction.followup.send(f"Failed to play the next song. Error: {str(e)}")


async def stop_audio(interaction: discord.Interaction):
    guild_id = interaction.guild.id

    if guild_id in voice_clients:
        voice_client = voice_clients[guild_id]
        if voice_client.is_playing():
            voice_client.stop()
        music_queues[guild_id] = []  # Clear the queue
        current_tracks.pop(guild_id, None)  # Remove the current track
        await interaction.response.send_message("🛑 **Playback stopped and queue cleared.**")
    else:
        await interaction.response.send_message("❌ **No music is playing.**")


async def set_volume(interaction: discord.Interaction, level: int):
    guild_id = interaction.guild.id

    if level < 0 or level > 100:
        await interaction.response.send_message("❌ **Volume must be between 0 and 100.**")
        return

    # Set the volume
    volume = level / 100
    volumes[guild_id] = volume

    # Adjust volume for the current source if playing
    if guild_id in voice_clients and voice_clients[guild_id].is_playing():
        source = voice_clients[guild_id].source
        if isinstance(source, discord.PCMVolumeTransformer):
            source.volume = volume

    await interaction.response.send_message(f"🔊 **Volume set to {level}%**.")


async def join_voice(interaction: discord.Interaction):
    if interaction.user.voice is None or interaction.user.voice.channel is None:
        await interaction.response.send_message("You need to be in a voice channel for me to join.")
        return

    channel = interaction.user.voice.channel
    guild_id = interaction.guild.id

    # Connect to the voice channel
    if guild_id not in voice_clients:
        voice_clients[guild_id] = await channel.connect()
        await interaction.response.send_message(f"✅ **Joined {channel.name}.**")
    else:
        await interaction.response.send_message("❌ **I am already in a voice channel.**")


async def leave_voice(interaction: discord.Interaction):
    guild_id = interaction.guild.id

    if guild_id in voice_clients:
        voice_client = voice_clients[guild_id]
        if voice_client.is_connected():
            await voice_client.disconnect()
            voice_clients.pop(guild_id, None)
            await interaction.response.send_message("👋 **Left the voice channel.**")
        else:
            await interaction.response.send_message("❌ **I am not connected to any voice channel.**")
    else:
        await interaction.response.send_message("❌ **I am not connected to any voice channel.**")