from contextlib import asynccontextmanager
from fastapi import FastAPI
from core.agent_manager import agent_manager
from utils.registration_manager import registration_manager
from utils.logger import chat_logger
from core.chat_result_manager import chat_result_manager


@asynccontextmanager
async def lifespan(app: FastAPI):
    """应用生命周期管理"""
    try:
        # 启动时检查注册状态，但不阻止启动
        registration_status = await registration_manager.check_registration()
        if not registration_status:
            chat_logger.warning("服务启动：注册检查未通过，/chat接口将受限")
        else:
            chat_logger.info("服务启动：注册检查通过")

        await agent_manager.initialize()
        chat_logger.info("AI助手服务启动")
        yield
    finally:
        cleared_count = await agent_manager.shutdown()
        # 清理聊天结果管理器
        chat_result_manager.close()
        chat_result_manager.cleanup_old_tasks(max_days=7)
        chat_logger.info(f"AI助手服务停止")


def create_lifespan():
    """创建生命周期管理器"""
    return lifespan