from __future__ import annotations

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

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


def create_app() -> FastAPI:
    settings = get_settings()

    app = FastAPI(
        title=settings.app_name,
        debug=settings.app_debug,
        version="0.1.0",
    )

    if settings.cors_origins:
        app.add_middleware(
            CORSMiddleware,
            allow_origins=settings.cors_origins,
            allow_credentials=True,
            allow_methods=["*"],
            allow_headers=["*"],
        )

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

    @app.get("/", tags=["root"])
    def root() -> dict[str, str]:
        return {"message": f"{settings.app_name} is running"}

    return app


app = create_app()
