"""Expire eligible operational events; audit and critical events are preserved."""

import argparse

from central.app.db import SessionLocal
from central.app.events import purge_expired_events


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("--dry-run", action="store_true")
    parser.add_argument("--retention-days", type=int, default=None)
    args = parser.parse_args()
    if args.dry_run:
        print("dry-run: no events deleted")
        return
    with SessionLocal() as session:
        print(f"deleted_events={purge_expired_events(session, retention_days=args.retention_days)}")


if __name__ == "__main__":
    main()