from contextlib import asynccontextmanager

from fastapi import FastAPI

from core.cache import initialize_cache
from core.events import register_events
from core.settings import app_settings
from routes import register_routers
from server.home.index import html_router
from server.middleware import handle_middleware
from server.sub_applications import handle_sub_applications
from utils import logger, RedisUtil


@asynccontextmanager
async def lifespan(_app: FastAPI):
    logger.info(f"{app_settings.name} 开始启动")
    try:
        await initialize_cache()
        logger.info(f"{app_settings.name} 启动成功")
        yield
    finally:
        await RedisUtil.close_redis_pool()


# 初始化FastAPI对象
app = FastAPI(
    title=app_settings.name,
    description=f"{app_settings.name}接口文档",
    version=app_settings.version,
    lifespan=lifespan,
)

# 挂载子应用
handle_sub_applications(app)
# 注册路由
register_routers(app)
# 加载中间件处理方法（包含异常处理中间件）
handle_middleware(app)
app.include_router(html_router)
# 注册全局事件
register_events()