from fastapi import FastAPI
from fastapi.exceptions import RequestValidationError
from starlette.exceptions import HTTPException

from mooc.core.exceptions import (
    validation_exception_handler,
    http_exception_handler,
    generic_exception_handler
)

# 应用的其他代码...

def create_app() -> FastAPI:
    app = FastAPI(
        title=settings.PROJECT_NAME,
        version=settings.VERSION,
        # 其他设置...
    )
    
    # 注册异常处理器
    app.add_exception_handler(RequestValidationError, validation_exception_handler)
    app.add_exception_handler(HTTPException, http_exception_handler)
    app.add_exception_handler(Exception, generic_exception_handler)
    
    # 应用的其他设置...
    
    return app