import os
from typing import Literal

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

app = FastAPI(title="Entroia Backend", version="0.1.0")
app.add_middleware(
    CORSMiddleware,
    allow_origins=[
        origin.strip()
        for origin in os.getenv(
            "CORS_ORIGINS", "http://localhost:3000,http://localhost:5173"
        ).split(",")
        if origin.strip()
    ],
    allow_methods=["GET"],
    allow_headers=["*"],
)


class HealthResponse(BaseModel):
    status: Literal["ok"] = "ok"


@app.get("/health", response_model=HealthResponse)
def health() -> HealthResponse:
    return HealthResponse()