from redis.lock import Lock

from copy_auth0_logs_to_cloudwatch import constants


def get_key(key: str) -> str:
    """Compose a Redis key.

    Args:
        key (str): Key.
    Returns:
        str: Complete key constructed by concatenated prefix + key.
    """
    return f'{constants.APP_NAME}/{key}'


def get_redis_lock(redis_client) -> Lock:
    """Get redis lock"""
    return redis_client.lock(get_key('lock'), timeout=constants.REDIS_LOCK_TTL)