# ------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# ------------------------------------

import functools
from testcase import Document
from asynctestcase import AsyncDocumentTranslationTest
from preparer import DocumentTranslationPreparer, DocumentTranslationClientPreparer as _DocumentTranslationClientPreparer
from devtools_testutils.aio import recorded_by_proxy_async
from azure.ai.translation.document import DocumentTranslationInput, TranslationTarget
from azure.ai.translation.document.aio import DocumentTranslationClient
from azure.core.exceptions import HttpResponseError
DocumentTranslationClientPreparer = functools.partial(_DocumentTranslationClientPreparer, DocumentTranslationClient)


class TestCancelTranslation(AsyncDocumentTranslationTest):

    @DocumentTranslationPreparer()
    @DocumentTranslationClientPreparer()
    @recorded_by_proxy_async
    async def test_cancel_translation(self, **kwargs):
        '''
            some notes (test sporadically failing):
            1. use a large number of translations
                - because when running tests the translation sometimes finishes with status 'Succeeded'
                  before we call the 'cancel' endpoint!
            2. wait sometime after calling 'cancel' and before calling 'get status'
                - in order for the cancel status to propagate
        '''
        client = kwargs.pop("client")
        variables = kwargs.pop("variables", {})
        # submit translation operation
        docs_count = 8 # large number of docs
        poller = await self._begin_and_validate_translation_with_multiple_docs_async(client, docs_count, wait=False, variables=variables)

        # cancel translation
        await client.cancel_translation(poller.id)

        # check translation status
        translation_details = await client.get_translation_status(poller.id)
        assert translation_details.status in ["Canceled", "Canceling"]
        self._validate_translations(translation_details)
        try:
            await poller.wait()
        except HttpResponseError:
            pass  # expected if the operation was already in a terminal state.
        return variables