from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app.api.router import api_router
from app.core.config import settings


@asynccontextmanager
async def lifespan(_: FastAPI):
    """Own application-scoped resources here as they are introduced."""
    yield


app = FastAPI(
    title=settings.app_name,
    openapi_url=f"{settings.api_v1_prefix}/openapi.json",
    docs_url=f"{settings.api_v1_prefix}/docs" if settings.debug else None,
    redoc_url=None,
    lifespan=lifespan,
)

if settings.backend_cors_origins:
    app.add_middleware(
        CORSMiddleware,
        allow_origins=[str(origin) for origin in settings.backend_cors_origins],
        allow_credentials=True,
        allow_methods=["GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"],
        allow_headers=["Authorization", "Content-Type", "X-Request-ID"],
    )

app.include_router(api_router, prefix=settings.api_v1_prefix)