import os
from fastapi import FastAPI
from fastapi_sqlalchemy import DBSessionMiddleware
import logging.config as logging_config
from config import init_config


def create_app():
    app = FastAPI()

    @app.on_event("startup")
    def startup_event():
        # 日志配置
        logging_config.fileConfig('conf/log.ini')
        # 初始化配置文件
        mysql_config = init_config()
        # 添加sqlalchemy数据库中间件
        # once the middleware is applied, any route can then access the database session
        # from the global ``db``
        app.add_middleware(DBSessionMiddleware, db_url=mysql_config.SQLALCHEMY_DATABASE_URI)

    # 在这里添加API route
    from api import test
    app.include_router(test.router)
    return app


fast_api_app = create_app()