# -*- coding: utf-8 -*- #
# Copyright 2026 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 DHCP options configs."""

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.dhcp_options_configs import flags


@base.DefaultUniverseOnly
@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
class List(base.ListCommand):
  """List Google Compute Engine DHCP options configurations."""

  detailed_help = {
      'brief': 'List Google Compute Engine DHCP options configurations.',
      'DESCRIPTION': (
          """\
      *{command}* lists all regional DHCP options configurations in a project.
      """
      ),
      'EXAMPLES': (
          """\
      To list all DHCP options configs in region us-central1, run:

        $ {command} --regions=us-central1
      """
      ),
  }

  @classmethod
  def Args(cls, parser):
    """Register flags for this command."""
    parser.display_info.AddFormat(flags.DEFAULT_LIST_FORMAT)
    lister.AddRegionsArgWithoutBaseArgs(parser)
    parser.display_info.AddCacheUpdater(flags.DhcpOptionsConfigsCompleter)

  def Run(self, args):
    """Issue a DhcpOptionsConfig LIST request."""
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    client = holder.client

    request_data = lister.ParseRegionalFlags(args, holder.resources)
    list_implementation = lister.RegionalLister(
        client, client.apitools_client.dhcpOptionsConfigs
    )
    return lister.Invoke(request_data, list_implementation)
