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

import sys
import asyncio
import logging
import importlib
from typing import Optional
from redbot.core.bot import Red # type: ignore

# Force reload of all modules
modules_to_reload = [
    ".utils.exceptions",
    ".utils",
    ".processor",
    ".processor.core",
    ".processor.queue_processor",
    ".queue",
    ".queue.types",  # Added types module
    ".queue.models",
    ".queue.manager",
    ".queue.cleaners",
    ".queue.cleaners.guild_cleaner",
    ".queue.cleaners.history_cleaner",
    ".queue.cleaners.tracking_cleaner",
    ".queue.monitoring",
    ".queue.recovery_manager",
    ".queue.state_manager",
    ".ffmpeg",
    ".ffmpeg.binary_manager",
    ".ffmpeg.encoder_params",
    ".ffmpeg.exceptions",
    ".ffmpeg.ffmpeg_downloader",
    ".ffmpeg.ffmpeg_manager",
    ".ffmpeg.gpu_detector",
    ".ffmpeg.process_manager",
    ".ffmpeg.verification_manager",
    ".ffmpeg.video_analyzer",
    ".database",
    ".database.connection_manager",
    ".database.query_manager",
    ".database.schema_manager",
    ".database.video_archive_db",
    ".config",
    ".config.channel_manager",
    ".config.exceptions",
    ".config.role_manager",
    ".config.settings_formatter",
    ".config.validation_manager",
    ".core",
    ".core.base",
    ".core.cleanup",
    ".core.commands",
    ".core.commands.archiver_commands",
    ".core.commands.database_commands",
    ".core.commands.settings_commands",
    ".core.component_manager",
    ".core.error_handler",
    ".core.events",
    ".core.guild",
    ".core.initialization",
    ".core.lifecycle",
    ".core.response_handler",
    ".core.settings",
]

# Remove modules to force fresh import
for module in modules_to_reload:
    if module in sys.modules:
        del sys.modules[module]

try:
    # Try relative imports first
    from . import utils
    from . import processor
    from . import queue
    from . import ffmpeg
    from . import database
    from . import config
    from . import core
    from .core.base import VideoArchiver
    from .core.initialization import initialize_cog, init_callback
    from .core.cleanup import cleanup_resources
    from .utils.exceptions import (
        VideoArchiverError,
        CommandError,
        EventError,
        CogError,
        ErrorContext,
        ErrorSeverity,
        ProcessingError,
    )
except ImportError:
    # Fall back to absolute imports if relative imports fail
    from videoarchiver import utils
    from videoarchiver import processor
    from videoarchiver import queue
    from videoarchiver import ffmpeg
    from videoarchiver import database
    from videoarchiver import config
    from videoarchiver import core
    from videoarchiver.core.base import VideoArchiver
    from videoarchiver.core.initialization import initialize_cog, init_callback
    from videoarchiver.core.cleanup import cleanup_resources
    from videoarchiver.utils.exceptions import (
        VideoArchiverError,
        CommandError,
        EventError,
        CogError,
        ErrorContext,
        ErrorSeverity,
        ProcessingError,
    )

# Reload all modules
importlib.reload(utils)
importlib.reload(processor)
importlib.reload(queue)
importlib.reload(ffmpeg)
importlib.reload(database)
importlib.reload(config)
importlib.reload(core)

# Import all submodules
from .database import *
from .ffmpeg import *
from .queue import *
from .processor import *
from .config_manager import *
from .update_checker import *
from .queue.cleaners import *
from .database import *
from .utils import *
from .core import *
from .config import *

logger = logging.getLogger("VideoArchiver")

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

# Version information
__version__ = "1.0.0"
__author__ = "VideoArchiver Team"
__description__ = "Video archiving cog for Red-DiscordBot"


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__ = [
    # Core classes
    "VideoArchiver",
    "VideoArchiveDB",
    "FFmpegManager",
    "EnhancedVideoQueueManager",
    "VideoProcessor",
    "ConfigManager",
    "UpdateChecker",
    "QueueCleaner",
    "QueueStateManager",
    "QueueMetricsManager",
    "QueueProcessor",
    "BinaryManager",
    "EncoderParams",
    "GPUDetector",
    "ProcessManager",
    "DatabaseConnectionManager",
    "DatabaseQueryManager",
    "DatabaseSchemaManager",
    "CleanupManager",
    "MessageHandler",
    "CompressionManager",
    "DirectoryManager",
    "DownloadManager",
    "FileOperations",
    # Base exceptions
    "VideoArchiverError",
    "CommandError",
    "EventError",
    "CogError",
    "ErrorContext",
    "ErrorSeverity",
    "ProcessingError",
    # Setup functions
    "setup",
    "teardown",
]