# Copyright 2014 Google Inc. 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 record-sets transaction abort command."""

import os

from googlecloudsdk.api_lib.dns import util
from googlecloudsdk.calliope import base
from googlecloudsdk.calliope import exceptions
from googlecloudsdk.core import log


class Abort(base.Command):
  """Abort transaction.

  This command aborts the transaction and deletes the transaction file.
  """

  detailed_help = {
      'EXAMPLES': """\
          To abort the transaction, run:

            $ {command} -z MANAGED_ZONE
          """,
  }

  @staticmethod
  def Args(parser):
    util.ZONE_FLAG.AddToParser(parser)

  def Run(self, args):
    if not os.path.isfile(args.transaction_file):
      raise exceptions.ToolException(
          'transaction not found at [{0}]'.format(args.transaction_file))

    os.remove(args.transaction_file)

    log.status.Print('Aborted transaction [{0}].'.format(args.transaction_file))
