"""Helper functions for interacting with the cache."""

from typing import List

from ddtrace import tracer

from permissions.connectors import redis


def get_resources_key(profile_type, profile_id, resource_type=None):
    """Get the key for indexing profile resource entries in the cache."""
    res_type = resource_type or '*'
    return f'resources_for_{profile_type}_{profile_id}_{res_type}'


@tracer.wrap('bust_by_identity', service='redis')
def bust_by_identity(
    identity_uuids: List[str],
    resource_types: List[str],
) -> None:
    """Delete keys from redis based on identity_uuids and resource types.

    identity_uuids: List of identity uuids.
    resource_types: List of resource types.
    """
    keys = []
    for resource_type in resource_types:
        for identity_uuid in identity_uuids:
            keys.append(get_resources_key('identity', identity_uuid, resource_type))
    redis.delete_keys(keys)