"""定时检查续费并发送提醒（供 systemd timer 调用）

用法：
    python scripts/check_renewals.py [threshold_days] [--dry-run] [--no-verify]

默认发送通知；--dry-run 只打印、不发送，便于核对平台真实状态。
依赖 .env 中的通知渠道配置与账号登录凭据（TELEGRAM_*/SMTP_*、credentials）。
"""

import argparse
import sys
from pathlib import Path

# 确保能导入 app 包（脚本位于 scripts/ 子目录）
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))

from sqlmodel import Session

from app.database import assets_engine, init_db
from app.services import renewal_service


def main() -> int:
    parser = argparse.ArgumentParser(description="检查资产续费并发送提醒")
    parser.add_argument("threshold_days", nargs="?", type=int, default=None)
    parser.add_argument("--dry-run", action="store_true", help="只打印，不发送通知")
    parser.add_argument("--no-verify", action="store_true", help="跳过平台真实状态核对")
    args = parser.parse_args()

    init_db()
    with Session(assets_engine) as session:
        result = renewal_service.check_renewals(
            session,
            threshold_days=args.threshold_days,
            send=not args.dry_run,
            verify=not args.no_verify,
        )

    # days 可为负（已过期），汇总行拆开统计，单项文案复用 day_text（与提醒消息一致）
    overdue = sum(1 for item in result["expiring"] if item["days"] < 0)
    summary = (
        f"[续费检查] 阈值 {result['threshold_days']} 天 | 已过期 {overdue} 项 | "
        f"即将到期 {result['expiring_count'] - overdue} 项"
    )
    verification = result.get("verification")
    if verification:
        summary += (
            f" | 已核对 {verification['verified']} 项"
            f" | 未核对 {verification['unverified']} 项"
        )
    print(summary)

    for item in result["expiring"]:
        print(
            f"  - {item['name']} [{item['provider']}] "
            f"{renewal_service.day_text(item['days'])}（到期 {item['expiry_date']}）"
        )
        if item.get("verified") is True:
            print(f"    已核对[{item['verify_source']}]: {item['verify_detail']}")
        elif item.get("verified") is False:
            print(f"    未核对: {item['verify_detail']}")

    for n in result.get("notifications", []):
        status = "成功" if n["ok"] else f"失败：{n['message']}"
        print(f"  通知[{n['channel']}]: {status}")
    return 0


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