"""Application entry point."""

import asyncio
import logging
from pathlib import Path
import signal
import traceback

from mab import MatrixBot

import logic
import config

def signal_callback(event: asyncio.Event) -> None:
    logging.info("Signal is caught")
    event.set()

async def main() -> None:
    """Application entry point."""
    # logging setup
    logging.basicConfig(
        format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
        level=logging.INFO
    )
    logging.getLogger("nio").setLevel(logging.CRITICAL + 1)
    logging.info("2026-matrix-down")
    # setup app termination logic
    stop_event = asyncio.Event()
    for s in (signal.SIGINT, signal.SIGTERM):
        asyncio.get_running_loop().add_signal_handler(
            s,
            signal_callback,
            stop_event
        )
    # load the config
    bot_config = await config.load_config()
    if bot_config is None:
        logging.critical("Please edit config.json and restart the bot")
        return
    
    # setup the bot
    bot = MatrixBot(bot_config)
    await logic.initialize(bot)
    bot.start()

    # wait for termination
    logging.info("You may use Ctrl+C to terminate the app")
    await stop_event.wait()

    await bot.stop()
    await logic.deinitizalize(bot)

if __name__ == "__main__":
    try:
        asyncio.run(main())
    except SystemExit:
        raise
    except:
        traceback.print_exc()