from fastapi import Request, HTTPException
import os
from .jwt import decode_token

JWT_SECRET = os.getenv("JWT_SECRET")
JWT_ALGORITHM = os.getenv("JWT_ALGORITHM", "HS256")


def get_current_user(request: Request):
    token = request.cookies.get("access_token")

    if not token:
        raise HTTPException(status_code=401, detail="Not authenticated")

    try:
        payload = decode_token(token, JWT_SECRET, algorithms=[JWT_ALGORITHM])
        return payload["sub"]
    except:
        raise HTTPException(status_code=401, detail="Invalid token")