# -*- coding: utf-8 -*- #
# Copyright 2014 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.

"""gcloud dns managed-zone delete command."""

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

from googlecloudsdk.api_lib.dns import util
from googlecloudsdk.api_lib.util import apis
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.dns import flags
from googlecloudsdk.core import log
from googlecloudsdk.core import properties
from googlecloudsdk.core import resources


@base.ReleaseTracks(base.ReleaseTrack.GA)
class Delete(base.DeleteCommand):
  """Delete an empty Cloud DNS managed-zone.

  This command deletes an empty Cloud DNS managed-zone. An empty managed-zone
  has only SOA and NS record-sets.

  ## EXAMPLES

  To delete an empty managed-zone, run:

    $ {command} my_zone
  """

  @staticmethod
  def Args(parser):
    flags.GetDnsZoneArg(
        'The name of the empty managed-zone to be deleted.').AddToParser(parser)
    parser.display_info.AddCacheUpdater(None)

  def Run(self, args):
    dns = util.GetApiClient('v1')
    messages = apis.GetMessagesModule('dns', 'v1')

    zone_ref = resources.REGISTRY.Parse(
        args.dns_zone,
        params={
            'project': properties.VALUES.core.project.GetOrFail,
        },
        collection='dns.managedZones')

    result = dns.managedZones.Delete(
        messages.DnsManagedZonesDeleteRequest(
            managedZone=zone_ref.managedZone,
            project=zone_ref.project))
    log.DeletedResource(zone_ref)
    return result


@base.ReleaseTracks(base.ReleaseTrack.BETA)
class DeleteBeta(base.DeleteCommand):
  """Delete an empty Cloud DNS managed-zone.

  This command deletes an empty Cloud DNS managed-zone. An empty managed-zone
  has only SOA and NS record-sets.

  ## EXAMPLES

  To delete an empty managed-zone, run:

    $ {command} my_zone
  """

  @staticmethod
  def Args(parser):
    flags.GetDnsZoneArg(
        'The name of the empty managed-zone to be deleted.').AddToParser(parser)
    parser.display_info.AddCacheUpdater(None)

  def Run(self, args):
    api_version = util.GetApiFromTrack(self.ReleaseTrack())
    dns = util.GetApiClient(api_version)

    zone_ref = util.GetRegistry(api_version).Parse(
        args.dns_zone,
        params={
            'project': properties.VALUES.core.project.GetOrFail,
        },
        collection='dns.managedZones')

    result = dns.managedZones.Delete(
        dns.MESSAGES_MODULE.DnsManagedZonesDeleteRequest(
            managedZone=zone_ref.managedZone,
            project=zone_ref.project))
    log.DeletedResource(zone_ref)
    return result


@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
class DeleteAlpha(base.DeleteCommand):
  """Delete an empty Cloud DNS managed-zone.

  This command deletes an empty Cloud DNS managed-zone. An empty managed-zone
  has only SOA and NS record-sets.

  ## EXAMPLES

  To delete an empty managed-zone, run:

    $ {command} my_zone
  """

  @staticmethod
  def Args(parser):
    flags.GetDnsZoneArg(
        'The name of the empty managed-zone to be deleted.').AddToParser(parser)
    parser.display_info.AddCacheUpdater(None)

  def Run(self, args):
    api_version = util.GetApiFromTrack(self.ReleaseTrack())
    dns = util.GetApiClient(api_version)

    zone_ref = util.GetRegistry(api_version).Parse(
        args.dns_zone,
        params={
            'project': properties.VALUES.core.project.GetOrFail,
        },
        collection='dns.managedZones')

    result = dns.managedZones.Delete(
        dns.MESSAGES_MODULE.DnsManagedZonesDeleteRequest(
            managedZone=zone_ref.managedZone,
            project=zone_ref.project))
    log.DeletedResource(zone_ref)
    return result
