# -*- coding: utf-8 -*-
"""
ElementsWorker methods for worker versions.
"""


class WorkerVersionMixin(object):
    """
    Mixin for the :class:`ElementsWorker` to provide ``WorkerVersion`` helpers.
    """

    def get_worker_version(self, worker_version_id: str) -> dict:
        """
        Retrieve a worker version, using the :class:`ElementsWorker`'s internal cache when possible.

        :param str worker_version_id: ID of the worker version to retrieve.
        :returns dict: The requested worker version, as returned by the ``RetrieveWorkerVersion`` API endpoint.
        """
        if worker_version_id is None:
            raise ValueError("No worker version ID")

        if worker_version_id in self._worker_version_cache:
            return self._worker_version_cache[worker_version_id]

        worker_version = self.request("RetrieveWorkerVersion", id=worker_version_id)
        self._worker_version_cache[worker_version_id] = worker_version

        return worker_version

    def get_worker_version_slug(self, worker_version_id: str) -> str:
        """
        Retrieve the slug of the worker of a worker version, from a worker version UUID.
        Uses a worker version from the internal cache if possible, otherwise makes an API request.

        :param worker_version_id str: ID of the worker version to find a slug for.
        :returns str: Slug of the worker of this worker version.
        """
        worker_version = self.get_worker_version(worker_version_id)
        return worker_version["worker"]["slug"]