# -*- 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.
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"""'vmware external-access-rules list' command."""

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

from googlecloudsdk.api_lib.vmware.externalaccessrules import ExternalAccessRulesClient
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.vmware.network_policies import flags
from googlecloudsdk.core import log

DETAILED_HELP = {
    'DESCRIPTION':
        """
          List VMware Engine external access firewall rules.
        """
}

EXAMPLE_FORMAT = """\
          To list external access firewall rules in your project in the region `us-west2` associated with network policy `my-network-policy`, sorted from oldest to newest, run:

            $ {{command}} --location=us-west2 --project=my-project --network-policy=my-network-policy --sort-by=~create_time

          Or:

            $ {{command}}  --sort-by=~create_time --network-policy=my-network-policy

          In the second example, the project and the location are taken from gcloud properties `core/project` and `compute/region` respectively.

          To list custom set of fields of external access firewall rules in a project, run:

            $ {{command}} --format="{0}"
    """


@base.ReleaseTracks(base.ReleaseTrack.GA)
class List(base.ListCommand):
  """List VMware Engine external access rules."""
  detailed_help = DETAILED_HELP.copy()
  detailed_help['EXAMPLES'] = EXAMPLE_FORMAT.format(
      flags.LIST_WITH_CUSTOM_FIELDS_FORMAT)

  @staticmethod
  def Args(parser):
    """Register flags for this command."""
    flags.AddNetworkPolicyToParser(parser)
    parser.display_info.AddFormat(
        'table(name.segment(-1):label=NAME,'
        'priority,ipProtocol,sourcePorts.list(),'
        'destinationPorts.list(),action)')

  def Run(self, args):
    network_policy = args.CONCEPTS.network_policy.Parse()
    client = ExternalAccessRulesClient()
    return client.List(network_policy)

  def Epilog(self, resources_were_displayed):
    del resources_were_displayed
    log.status.Print('\n' + flags.LIST_NOTICE)