"""Utils for extracting info from headers."""

GRASS_ACCOUNT_TYPE = 'Grass-Account-Type'
GRASS_ACCOUNT_ID = 'Grass-Account-Id'
ORCHARD_USER_ID = 'Orchard-User-Id'


def get_grass_headers_and_orchard_user_id(request):
    """Extract the grass headers and Orhard-User-Id.

    Args:
        request (Flask.request): the request.

    Returns:
        tuple: contains grass account type, grass account id
            and orchard user id.

    """
    header_account_type = request.headers.get(GRASS_ACCOUNT_TYPE)
    header_account_id = request.headers.get(GRASS_ACCOUNT_ID)
    header_orchard_user_id = request.headers.get(ORCHARD_USER_ID)
    return header_account_type, header_account_id, header_orchard_user_id