"""CLI: python -m app.jobs.host_silence_scan"""

from __future__ import annotations

import logging
import sys

from app.database import SessionLocal
from app.services.host_silence_scan import dispatch_host_silence_notifications, run_host_silence_scan

logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
logger = logging.getLogger("sac.host_silence_scan")


def main() -> int:
    db = SessionLocal()
    try:
        results = run_host_silence_scan(db)
        notified = dispatch_host_silence_notifications(db, results)
        db.commit()
        created = sum(1 for r in results if r.created)
        logger.info(
            "host_silence scan done stale_hosts=%s created=%s notified=%s",
            len(results),
            created,
            notified,
        )
        return 0
    except Exception:
        db.rollback()
        logger.exception("host_silence scan failed")
        return 1
    finally:
        db.close()


if __name__ == "__main__":
    sys.exit(main())