from __future__ import annotations

import asyncio
import logging
import logging.handlers
import os
from pathlib import Path

from app.config import load_app_config
from app.manager import AccountManager
from app.pyrogram_compat import install_kurigram_compat

try:
    import uvloop
except ImportError:  # uvloop does not support Windows.
    uvloop = None

LOG_FORMAT = "%(asctime)s | %(levelname)s | %(name)s | %(message)s"


def configure_logging(root: Path) -> None:
    logging.basicConfig(
        level=logging.INFO,
        format=LOG_FORMAT,
    )

    log_file_env = os.environ.get("LOG_FILE")
    log_path = Path(log_file_env).expanduser() if log_file_env else root / "bot.log"
    if not log_path.is_absolute():
        log_path = (root / log_path).resolve()

    file_handler = logging.handlers.RotatingFileHandler(
        log_path,
        maxBytes=10 * 1024 * 1024,
        backupCount=3,
        encoding="utf-8",
    )
    file_handler.setFormatter(logging.Formatter(LOG_FORMAT))
    logging.getLogger().addHandler(file_handler)


_ROOT = Path(__file__).resolve().parent


async def main() -> None:
    install_kurigram_compat()
    config = load_app_config(_ROOT)
    manager = AccountManager(config)
    await manager.run()


if __name__ == "__main__":
    configure_logging(_ROOT)
    if uvloop is None:
        asyncio.run(main())
    else:
        uvloop.run(main())