"""手动触发反馈报告生成并推送邮件

用法:
    cd /home/qzl/Code/eryao/.worktrees/feat-user-feedback
    PYTHONPATH=backend/src uv run python backend/scripts/generate_feedback_report.py [--all] [--no-email]
"""

from __future__ import annotations

import argparse
import asyncio
from datetime import datetime, timedelta
from pathlib import Path

import sys

sys.path.insert(0, str(Path(__file__).resolve().parent.parent / "src"))

from sqlalchemy import select

from core.config.settings import config
from core.db.session import AsyncSessionLocal
from models.user_feedback import UserFeedback
from v1.feedback.report import generate_feedback_report
from v1.feedback.tasks import send_feedback_report_email


async def _fetch_all_feedbacks() -> list[UserFeedback]:
    async with AsyncSessionLocal() as session:
        stmt = select(UserFeedback).order_by(UserFeedback.created_at.desc())
        result = await session.execute(stmt)
        return list(result.scalars().all())


async def main():
    parser = argparse.ArgumentParser(
        description="Generate feedback report and send email"
    )
    parser.add_argument(
        "--all", action="store_true", help="Generate report for all feedbacks"
    )
    parser.add_argument("--no-email", action="store_true", help="Skip email sending")
    args = parser.parse_args()

    feedbacks = await _fetch_all_feedbacks()

    report_path: Path | None = None

    try:
        if args.all:
            if not feedbacks:
                print("No feedbacks found in database")
                return
            reports_dir = Path(config.runtime.log_dir).parent / "reports"
            report_path = await generate_feedback_report(
                feedbacks, output_dir=reports_dir
            )
            print(f"\n=== 全量报告生成完成 ===")
        else:
            if not feedbacks:
                print("No feedbacks found in database")
                if not args.no_email:
                    print("\n发送无反馈通知邮件...")
                    now = datetime.now()
                    push_hour = 10
                    end_time = now.replace(
                        hour=push_hour, minute=0, second=0, microsecond=0
                    )
                    start_time = end_time - timedelta(days=1)
                    await send_feedback_report_email(
                        feedbacks=[],
                        start_time=start_time,
                        end_time=end_time,
                        push_hour=push_hour,
                        report_path=None,
                    )
                    print("无反馈通知邮件已发送")
                return

            reports_dir = Path(config.runtime.log_dir).parent / "reports"
            report_path = await generate_feedback_report(
                feedbacks, output_dir=reports_dir
            )
            print(f"\n=== 报告生成完成 ===")

        print(f"文件路径: {report_path}")
        print(f"文件大小: {report_path.stat().st_size:,} bytes")

        if not args.no_email:
            now = datetime.now()
            push_hour = 10
            end_time = now.replace(hour=push_hour, minute=0, second=0, microsecond=0)
            start_time = end_time - timedelta(days=1)

            print(f"\n发送邮件到: {config.feedback_report.email}")
            print(
                f"时间范围: {start_time.strftime('%Y-%m-%d %H:%M')} ~ {end_time.strftime('%Y-%m-%d %H:%M')}"
            )
            print(f"反馈数量: {len(feedbacks)}")

            await send_feedback_report_email(
                feedbacks=feedbacks,
                start_time=start_time,
                end_time=end_time,
                push_hour=push_hour,
                report_path=report_path,
            )
            print("邮件发送成功")
        else:
            print("\n跳过邮件发送 (--no-email)")

    finally:
        if report_path and report_path.exists():
            report_path.unlink()
            print(f"\n临时文件已清理: {report_path}")


if __name__ == "__main__":
    asyncio.run(main())