auth.py

# auth.py
import os
from dotenv import load_dotenv
from google.oauth2 import service_account
import gspread

load_dotenv()

SCOPES = os.getenv("SCOPES").split(",")
SERVICE_ACCOUNT_FILE = os.getenv("SERVICE_ACCOUNT_FILE")

def get_credentials():
    try:
        credentials = service_account.Credentials.from_service_account_file(
            SERVICE_ACCOUNT_FILE,
            scopes=SCOPES
        )
        return credentials
    except Exception as e:
        print(f"Error loading credentials: {e}")
        raise

def get_ga_client(credentials):
    from google.analytics.data_v1beta import BetaAnalyticsDataClient
    try:
        ga_client = BetaAnalyticsDataClient(credentials=credentials)
        return ga_client
    except Exception as e:
        print(f"Error initializing GA client: {e}")
        raise

def get_sheet_client(credentials):
    try:
        sheet_client = gspread.authorize(credentials)
        return sheet_client
    except Exception as e:
        print(f"Error initializing Sheets client: {e}")
        raise