# -*- 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.
"""Command for listing network attachments."""

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 lister
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.compute.network_attachments import flags


@base.ReleaseTracks(
    base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA, base.ReleaseTrack.GA
)
class List(base.ListCommand):
  """List Google Compute Engine network attachments."""

  detailed_help = {
      'EXAMPLES': """\
          To list all the network attachments, run:

              $ {command}

          To list the network attachments in given region(s), run:

              $ {command} --regions=region-1,region-2"""
  }

  @classmethod
  def Args(cls, parser):
    parser.display_info.AddFormat(flags.DEFAULT_LIST_FORMAT)
    lister.AddRegionsArg(parser)
    parser.display_info.AddCacheUpdater(flags.NetworkAttachmentsCompleter)

  def Run(self, args):
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    client = holder.client
    request_data = lister.ParseRegionalFlags(args, holder.resources)
    list_implementation = lister.RegionalLister(
        client, client.apitools_client.networkAttachments)

    return lister.Invoke(request_data, list_implementation)