from datetime import datetime, timedelta
from typing import Optional

from apscheduler.schedulers.asyncio import AsyncIOScheduler
from fastapi import FastAPI

from app.chat_qa_query.api.router.query_router import query_qa_router
from app.core.liftspan import lifespan
from app.summary.service import build
from app.core.log import logger

app = FastAPI(lifespan=lifespan)
scheduler = AsyncIOScheduler(timezone='Asia/Shanghai')
app.include_router(query_qa_router)

async def generate_daily_summary(date: Optional[str] = None):
    if not date:
        yesterday = datetime.now() - timedelta(days=1)
        #date = yesterday.strftime("%Y-%-m-%-d")  # 格式: 2026-6-15
        date = datetime(yesterday.year, yesterday.month, yesterday.day)

        # 按 年-月-日 无补零格式输出
        date_format = f"{date.year}-{date.month}-{date.day}"

        await build(date_format)

        logger.info(f"{date} 消息摘要生成完成")

@app.on_event("startup")
async def startup_event():
    scheduler.add_job(
        generate_daily_summary,
        trigger='cron',
        hour=2,
        minute=0,
        second=0,
        id='daily_summary',
        name='每日消息摘要任务',
        replace_existing=True
    )
    scheduler.start()
    logger.info("定时任务调度器已启动，每天凌晨2:00自动执行消息摘要任务")


@app.on_event("shutdown")
async def shutdown_event():
    scheduler.shutdown()
    logger.info("定时任务调度器已关闭")


if __name__ == '__main__':
    import uvicorn

    uvicorn.run(app, host="0.0.0.0", port=8000)