# -*- coding: utf-8 -*- #
# Copyright 2019 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 public delegated sub prefix command."""

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

from googlecloudsdk.api_lib.compute import base_classes
from googlecloudsdk.api_lib.compute import public_delegated_prefixes
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.compute import flags as compute_flags
from googlecloudsdk.command_lib.compute.public_delegated_prefixes import flags


@base.ReleaseTracks(base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA,
                    base.ReleaseTrack.GA)
class Delete(base.UpdateCommand):
  r"""Deletes a Compute Engine delegated sub prefix."""
  DETAILED_HELP = {
      'EXAMPLES':
          """\
          To delete a delegated sub prefix for a global public delegated prefix:

            $ {command} my-sub-prefix --public-delegated-prefix=my-pdp --global-public-delegated-prefix

          To delete a delegated sub prefix for a regional public delegated prefix:

            $ {command} my-sub-prefix --public-delegated-prefix=my-pdp --public-delegated-prefix-region=us-east1
          """
  }
  detailed_help = DETAILED_HELP

  @staticmethod
  def Args(parser):
    flags.AddDeleteSubPrefixArgs(parser)

  def Run(self, args):
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    client = holder.client
    messages = holder.client.messages
    resources = holder.resources

    pdp_ref = flags.PUBLIC_DELEGATED_PREFIX_FLAG_ARG.ResolveAsResource(
        args,
        resources,
        scope_lister=compute_flags.GetDefaultScopeLister(holder.client))

    pdp_client = public_delegated_prefixes.PublicDelegatedPrefixesClient(
        client, messages, resources)

    return pdp_client.RemoveSubPrefix(pdp_ref, args.name)