import json
import os
from fastapi import HTTPException

def load_client_config(client_secret_path: str = None):
    if client_secret_path is None:
        base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
        client_secret_path = os.path.join(base_dir, "client_secret.json")

    try:
        with open(client_secret_path, "r") as f:
            return json.load(f)
    except FileNotFoundError:
        raise HTTPException(500, f"client_secret.json 파일을 찾을 수 없습니다. 경로: {client_secret_path}")
    except json.JSONDecodeError:
        raise HTTPException(500, f"client_secret.json 형식 오류. 경로: {client_secret_path}")