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


@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()
        chat_logger.info(f"🛑🛑🛑 AI助手服务停止，清理了 {cleared_count} 个Agent实例")


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