# -*- coding: utf-8 -*- #
# Copyright 2022 Google LLC. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Delete a Workflow."""

from __future__ import absolute_import
from __future__ import division
from __future__ import unicode_literals

from googlecloudsdk.api_lib.cloudbuild.v2 import client_util
from googlecloudsdk.api_lib.util import waiter
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.cloudbuild import run_flags
from googlecloudsdk.core import log
from googlecloudsdk.core import resources


@base.Hidden
@base.ReleaseTracks(base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA)
@base.UniverseCompatible
class Delete(base.DeleteCommand):
  """Delete a Workflow."""

  @staticmethod
  def Args(parser):
    """Register flags for this command.

    Args:
      parser: An argparse.ArgumentParser-like object. It is mocked out in order
        to capture some information, but behaves like an ArgumentParser.
    """
    parser.add_argument('WORKFLOW_ID', help='The ID of the Workflow.')
    run_flags.AddsRegionResourceArg(parser)

  def Run(self, args):
    """This is what gets called when the user runs this command."""
    client = client_util.GetClientInstance()
    messages = client_util.GetMessagesModule()

    region_ref = args.CONCEPTS.region.Parse()
    parent = region_ref.RelativeName()
    resource_name = '%s/workflows/%s' % (parent, args.WORKFLOW_ID)

    # Delete workflow.
    delete_operation = client.projects_locations_workflows.Delete(
        messages.CloudbuildProjectsLocationsWorkflowsDeleteRequest(
            name=resource_name))

    delete_operation_ref = resources.REGISTRY.ParseRelativeName(
        delete_operation.name,
        collection='cloudbuild.projects.locations.operations')

    waiter.WaitFor(
        waiter.CloudOperationPollerNoResources(
            client.projects_locations_operations), delete_operation_ref,
        'Deleting Workflow')

    log.DeletedResource(resource_name)