"""
music.py - Prefix commands for music playback.

Register:
    !play <query>   - Download and play a song (adds to queue if already playing)
    !skip           - Skip current song, play next
    !stop           - Stop playback, clear queue, leave voice
    !queue          - Show current queue with details
    !nowplaying     - Show currently playing track with remaining time
"""

from bot.prefix_command_registry import register_prefix_command
from bot import voice_manager


async def handle_play(message, args):
    query = " ".join(args)
    if not query:
        await message.channel.send("Usage: `!play <song name or URL>`")
        return

    await voice_manager.resolve_and_enqueue(message, query)


async def handle_skip(message, args):
    guild_id = message.guild.id
    vc = voice_manager.connections.get(guild_id)
    if not vc:
        await message.channel.send("Not playing anything.")
        return

    if not vc.is_playing():
        await message.channel.send("Not playing anything.")
        return

    voice_manager.skip(guild_id)
    await message.channel.send("Skipped.")


async def handle_stop(message, args):
    guild_id = message.guild.id
    vc = voice_manager.connections.get(guild_id)
    if not vc:
        await message.channel.send("Not playing anything.")
        return

    voice_manager.stop(guild_id)
    await message.channel.send("Stopped and left voice channel.")


async def handle_queue(message, args):
    guild_id = message.guild.id
    output = voice_manager.get_queue(guild_id)
    await message.channel.send(output)


async def handle_nowplaying(message, args):
    guild_id = message.guild.id
    output = voice_manager.get_now_playing(guild_id)
    await message.channel.send(output)


register_prefix_command("play", handle_play)
register_prefix_command("skip", handle_skip)
register_prefix_command("stop", handle_stop)
register_prefix_command("queue", handle_queue)
register_prefix_command("nowplaying", handle_nowplaying)