"""VideoArchiver cog for Red-DiscordBot"""

import asyncio
import logging
from typing import Optional
from redbot.core.bot import Red

from .core.base import VideoArchiver
from .core.initialization import initialize_cog, init_callback
from .core.cleanup import cleanup_resources
from .exceptions import ProcessingError
from .database import VideoArchiveDB
from .ffmpeg import FFmpegManager
from .queue import EnhancedVideoQueueManager
from .processor import VideoProcessor
from .config_manager import ConfigManager
from .update_checker import UpdateChecker

logger = logging.getLogger("VideoArchiver")

# Track initialization task
_init_task: Optional[asyncio.Task] = None

async def setup(bot: Red) -> None:
    """Load VideoArchiver with proper initialization."""
    try:
        # Create cog instance
        cog = VideoArchiver(bot)
        
        # Start initialization in background
        global _init_task
        _init_task = asyncio.create_task(initialize_cog(cog))
        _init_task.add_done_callback(lambda t: init_callback(cog, t))
        
        # Add cog to bot
        await bot.add_cog(cog)
        
        logger.info("VideoArchiver cog loaded successfully")
        
    except Exception as e:
        logger.error(f"Failed to load VideoArchiver: {str(e)}")
        if _init_task and not _init_task.done():
            _init_task.cancel()
        raise

async def teardown(bot: Red) -> None:
    """Clean up when unloading."""
    try:
        # Cancel initialization if still running
        if _init_task and not _init_task.done():
            _init_task.cancel()
            
        # Remove cog and clean up resources
        if "VideoArchiver" in bot.cogs:
            cog = bot.get_cog("VideoArchiver")
            if cog:
                await cleanup_resources(cog)
            await bot.remove_cog("VideoArchiver")
            
        logger.info("VideoArchiver cog unloaded successfully")
        
    except Exception as e:
        logger.error(f"Error during teardown: {str(e)}")
        raise

__all__ = [
    'VideoArchiver',
    'VideoArchiveDB',
    'FFmpegManager',
    'EnhancedVideoQueueManager',
    'VideoProcessor',
    'ConfigManager',
    'UpdateChecker',
    'ProcessingError'
]