import yaml
from streamlit_authenticator import Authenticate
from yaml.loader import SafeLoader
import streamlit_authenticator as stauth

def load_auth_config(config_path) -> Authenticate:
    try:
        with open(config_path) as file:
            config = yaml.load(file, Loader=SafeLoader)

        authenticator = stauth.Authenticate(
            config['credentials'],
            config['cookie']['name'],
            config['cookie']['key'],
            config['cookie']['expiry_days'],
            auto_hash = True
        )
        return authenticator
    except FileNotFoundError:
        return None #pyright:ignore