import os
from dotenv import load_dotenv
from pathlib import Path

def load_secrets():
    if not os.getenv("OPENAI_API_KEY"):
        env_path = Path('.') / '.env'
        load_dotenv(dotenv_path=env_path)

    open_ai_key = os.getenv("OPENAI_API_KEY")
    google_maps_key = os.getenv("GOOGLE_MAPS_API_KEY")
    google_palm_key = os.getenv("GOOGLE_PALM_API_KEY")

    # Collect all keys in a dictionary
    secrets = {
        "OPENAI_API_KEY": open_ai_key,
        "GOOGLE_MAPS_API_KEY": google_maps_key,
        "GOOGLE_PALM_API_KEY": google_palm_key,
    }

    # Check if any of the keys are missing
    missing_keys = [key for key, value in secrets.items() if not value]
    if missing_keys:
        missing_keys_str = ", ".join(missing_keys)
        raise Exception(f"Missing API keys: {missing_keys_str}. Ensure .env file is set up correctly.")

    return secrets