#!/usr/bin/env python3
"""手动触发地磅计划按月自动生成（与 APScheduler 任务同逻辑）。"""
from __future__ import annotations

import argparse
import sys
from pathlib import Path

BACKEND_ROOT = Path(__file__).resolve().parents[1]
if str(BACKEND_ROOT) not in sys.path:
    sys.path.insert(0, str(BACKEND_ROOT))

from app.core.database import SessionLocal
from app.services.db.auto_generate_plans import run_auto_generate_monthly_plans


def main() -> int:
    parser = argparse.ArgumentParser(description="Run db monthly plan auto-generation once")
    parser.add_argument(
        "--force",
        action="store_true",
        help="Skip first-day-of-month guard (for local verification)",
    )
    args = parser.parse_args()

    db = SessionLocal()
    try:
        result = run_auto_generate_monthly_plans(db, force=args.force)
        print(result)
        return 0
    except Exception:
        db.rollback()
        raise
    finally:
        db.close()


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