"""2026-matrix-sumka entry point."""

from __future__ import annotations

import asyncio
import logging
import signal
from pathlib import Path

from mab import MatrixBot, MatrixBotConfig

from bot import SumkaBotController
from config import ConfigError, load_config


LOGGER = logging.getLogger(__name__)


async def run() -> int:
    config_path = Path("config.json").resolve()
    config = load_config(config_path)
    if config is None:
        LOGGER.error("Created %s; edit it and start the bot again", config_path)
        return 2

    matrix_config = MatrixBotConfig(
        matrix_homeserver_url=config.matrix_homeserver,
        matrix_username_localpart=config.matrix_user,
        storage_directory=config.store_dir,
    )
    matrix_bot = MatrixBot(matrix_config)
    controller = SumkaBotController(matrix_bot, config)
    controller.setup_callback()

    stop_event = asyncio.Event()
    loop = asyncio.get_running_loop()
    for caught_signal in (signal.SIGINT, signal.SIGTERM):
        loop.add_signal_handler(caught_signal, stop_event.set)

    started = False
    try:
        await matrix_bot.start()
        started = True
        LOGGER.info("Bot started")
        await stop_event.wait()
    finally:
        await controller.shutdown()
        if started:
            await matrix_bot.stop()
        LOGGER.info("Bot stopped")
    return 0


def main() -> int:
    logging.basicConfig(
        level=logging.INFO,
        format="%(asctime)s %(levelname)s %(name)s: %(message)s",
    )
    logging.getLogger("nio").setLevel(logging.WARNING)
    try:
        return asyncio.run(run())
    except ConfigError as error:
        LOGGER.error("Invalid config: %s", error)
        return 2
    except KeyboardInterrupt:
        return 130


if __name__ == "__main__":
    raise SystemExit(main())