"""
2026-matrix-downloader entry point
"""

import asyncio
import traceback
import signal
from pathlib import Path

from mab import MatrixBot, MatrixBotConfig

from datatypes import AppConfig
import config
import util
import bot_callbacks

bot: MatrixBot = None # type: ignore

async def main() -> None:
    """Entry point"""
    global bot
    # setup signal handler
    util.setup_app_stop_event()
    loop = asyncio.get_running_loop()
    for sig in (signal.SIGINT, signal.SIGTERM):
        loop.add_signal_handler(sig, lambda: util.request_app_stop("Signal caught"))
    
    # setup
    util.setup_logging()
    util.log_info("2026-matrix-csonac")

    # load the config
    cfg: AppConfig = await config.load_config("config.json") # type: ignore
    if cfg is None:
        util.log_error("Could't load config")
        return

    # setup the bot
    matrix_bot_config = MatrixBotConfig(
        matrix_homeserver_url=cfg.matrix_homeserver,
        matrix_username_localpart=cfg.matrix_user,
        storage_directory=Path(cfg.store_dir)
    )
    bot = MatrixBot(matrix_bot_config)
    bot_callbacks.setup(bot)

    # start the app
    bot.start()

    # wait for Ctrl+C
    await util.get_app_stop_event().wait()

    # stop the app
    await bot.stop()

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