# -*- coding: utf-8 -*- #
# Copyright 2025 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
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"""Command to delete a rollout sequence."""


from __future__ import annotations
from googlecloudsdk.api_lib.container.fleet import client
from googlecloudsdk.api_lib.container.fleet import util
from googlecloudsdk.calliope import base
from googlecloudsdk.calliope import parser_arguments
from googlecloudsdk.calliope import parser_extensions
from googlecloudsdk.command_lib.container.fleet.rolloutsequences import flags as rolloutsequence_flags
from googlecloudsdk.core import log
from googlecloudsdk.core.console import console_io
from googlecloudsdk.generated_clients.apis.gkehub.v1alpha import gkehub_v1alpha_messages as alpha_messages
from googlecloudsdk.generated_clients.apis.gkehub.v1beta import gkehub_v1beta_messages as beta_messages

_EXAMPLES = """
To delete a rollout sequence, run:

$ {command} ROLLOUTSEQUENCE
"""


@base.DefaultUniverseOnly
@base.ReleaseTracks(base.ReleaseTrack.BETA)
class Delete(base.DeleteCommand):
  """Delete a rollout sequence resource."""

  _release_track = base.ReleaseTrack.BETA
  detailed_help = {'EXAMPLES': _EXAMPLES}

  @classmethod
  def Args(cls, parser: parser_arguments.ArgumentInterceptor):
    """Registers flags for the delete command."""
    flags = rolloutsequence_flags.RolloutSequenceFlags(
        parser, release_track=cls._release_track
    )
    flags.AddRolloutSequenceResourceArg()
    flags.AddAsync()

  def Run(
      self, args: parser_extensions.Namespace
  ) -> alpha_messages.Operation | beta_messages.Operation:
    """Runs the delete command."""
    flag_parser = rolloutsequence_flags.RolloutSequenceFlagParser(
        args, release_track=self.ReleaseTrack()
    )
    fleet_client = client.FleetClient(release_track=self.ReleaseTrack())
    rollout_sequence_name = util.RolloutSequenceName(args)
    req = (
        fleet_client.messages.GkehubProjectsLocationsRolloutSequencesDeleteRequest()
    )
    req.name = rollout_sequence_name

    console_io.PromptContinue(
        message=(
            'You are about to delete rollout sequence'
            f' [{rollout_sequence_name}].'
        ),
        cancel_on_no=True,
    )

    operation = fleet_client.DeleteRolloutSequence(req)
    rolloutsequence_ref = util.RolloutSequenceRef(args)

    if flag_parser.Async():
      log.Print(
          'Delete in progress for Rollout sequence'
          f' [{rolloutsequence_ref.SelfLink()}]'
      )
      return operation

    operation_client = client.OperationClient(
        release_track=self.ReleaseTrack()
    )
    completed_operation = operation_client.Wait(util.OperationRef(operation))
    log.Print(f'Deleted Rollout sequence [{rolloutsequence_ref.SelfLink()}].')

    return completed_operation


@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
class DeleteAlpha(Delete):
  """Delete a rollout sequence resource."""

  _release_track = base.ReleaseTrack.ALPHA
