# -*- coding: utf-8 -*- #
# Copyright 2024 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.
"""Deletes a Backup and DR Backup."""


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

from apitools.base.py import exceptions as apitools_exceptions
from googlecloudsdk.api_lib.backupdr import util
from googlecloudsdk.api_lib.backupdr.backups import BackupsClient
from googlecloudsdk.api_lib.util import exceptions
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.backupdr import flags
from googlecloudsdk.core import log
from googlecloudsdk.core.console import console_io


@base.DefaultUniverseOnly
@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
class DeleteAlpha(base.DeleteCommand):
  """Delete the specified Backup."""

  detailed_help = {
      'BRIEF': 'Deletes a specific backup',
      'DESCRIPTION': '{description}',
      'EXAMPLES': """\
        To delete a backup `sample-backup` in backup vault `sample-vault`, data source `sample-ds`, project `sample-project` and location `us-central1` , run:

          $ {command} sample-backup --backup-vault=sample-vault --data-source=sample-ds --project=sample-project --location=us-central1
        """,
  }

  @staticmethod
  def Args(parser):
    """Specifies additional command flags.

    Args:
      parser: argparse.Parser: Parser object for command line inputs.
    """
    base.ASYNC_FLAG.AddToParser(parser)
    base.ASYNC_FLAG.SetDefault(parser, True)
    flags.AddBackupResourceArg(
        parser,
        'Name of the backup to delete.',
    )

  def Run(self, args):
    """Constructs and sends request.

    Args:
      args: argparse.Namespace, An object that contains the values for the
        arguments specified in the .Args() method.

    Returns:
      ProcessHttpResponse of the request made.
    """
    client = BackupsClient()
    is_async = args.async_

    backup = args.CONCEPTS.backup.Parse()

    console_io.PromptContinue(
        message='The backup will be deleted. You cannot undo this action.',
        default=True,
        cancel_on_no=True,
    )

    try:
      operation = client.Delete(backup)
    except apitools_exceptions.HttpError as e:
      raise exceptions.HttpException(e, util.HTTP_ERROR_FORMAT)
    if is_async:
      log.DeletedResource(
          backup.RelativeName(),
          kind='backup',
          is_async=True,
          details=util.ASYNC_OPERATION_MESSAGE.format(operation.name),
      )
      return operation

    response = client.WaitForOperation(
        operation_ref=client.GetOperationRef(operation),
        message=(
            'Deleting backup [{}]. (This operation usually takes 5 mins but'
            ' could take upto 60 mins.)'.format(backup.RelativeName())
        ),
        has_result=False,
    )
    log.DeletedResource(backup.RelativeName(), kind='backup')

    return response


@base.Hidden
@base.DefaultUniverseOnly
@base.ReleaseTracks(base.ReleaseTrack.GA)
class Delete(DeleteAlpha):
  """Delete the specified Backup."""