import httpx

from config import AUTH0_URL
from src.exceptions.auth0_token_exception import Auth0TokenException
from src.models import ClientCredentials, OAuthToken


OAUTH_TOKEN_ENDPOINT = "/oauth/token"


def generate_auth_token(client_credentials: ClientCredentials) -> OAuthToken:
    """Generate an OAuth token using the provided client credentials."""

    with httpx.Client(base_url=str(AUTH0_URL)) as client:
        response = client.post(
            OAUTH_TOKEN_ENDPOINT, json=client_credentials.model_dump()
        )

    if response.status_code != 200:
        raise Auth0TokenException(
            "JWT Access Token could not be generated", response.text
        )

    auth_token_value = response.json()

    return OAuthToken.model_validate(auth_token_value)