# -*- coding: utf-8 -*- #
# Copyright 2023 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.

"""Command to show fleet rollout information."""

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

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.command_lib.container.fleet.rollouts import flags as rollout_flags
from googlecloudsdk.command_lib.container.fleet.rollouts import rollout_printer
from googlecloudsdk.core.resource import resource_printer
from googlecloudsdk.generated_clients.apis.gkehub.v1alpha import gkehub_v1alpha_messages as alpha_messages

_EXAMPLES = """
To describe a rollout named `my-rollout`,
run:

$ {command} my-rollout
"""


@base.DefaultUniverseOnly
@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
class Describe(base.DescribeCommand):
  """Describe a fleet rollout."""

  detailed_help = {'EXAMPLES': _EXAMPLES}

  @staticmethod
  def Args(parser: parser_arguments.ArgumentInterceptor) -> None:
    flags = rollout_flags.RolloutFlags(parser)
    flags.AddRolloutResourceArg()
    resource_printer.RegisterFormatter(
        rollout_printer.ROLLOUT_PRINTER_FORMAT,
        rollout_printer.RolloutPrinter,
    )
    parser.display_info.AddFormat(rollout_printer.ROLLOUT_PRINTER_FORMAT)

  def Run(self, args):
    req = alpha_messages.GkehubProjectsLocationsRolloutsGetRequest(
        name=util.RolloutName(args)
    )
    fleet_client = client.FleetClient(release_track=base.ReleaseTrack.ALPHA)
    return fleet_client.DescribeRollout(req)