from fastapi import FastAPI, Request
from fastapi.exceptions import RequestValidationError
from fastapi.responses import JSONResponse

from app.api.routes import router
from app.core.errors import ApiError


def create_app() -> FastAPI:
    app = FastAPI(title="Ubuntu User Manage API", version="1.0.0")
    app.include_router(router)

    @app.exception_handler(ApiError)
    async def api_error_handler(_: Request, exc: ApiError) -> JSONResponse:
        return JSONResponse(status_code=exc.status_code, content={"code": exc.code, "message": exc.message})

    @app.exception_handler(RequestValidationError)
    async def validation_error_handler(_: Request, exc: RequestValidationError) -> JSONResponse:
        return JSONResponse(status_code=400, content={"code": "invalid_parameter", "message": str(exc.errors())})

    return app