# -*- coding: utf-8 -*- #
# Copyright 2021 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 get Google Kubernetes Engine server configuration for AWS."""

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

from googlecloudsdk.api_lib.container.gkemulticloud import util as api_util
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.container.aws import resource_args
from googlecloudsdk.command_lib.container.gkemulticloud import endpoint_util
from googlecloudsdk.core import log


_EXAMPLES = """
To return supported AWS regions and valid versions in location ``us-west1'', run:

$ {command} --location=us-west1
"""


@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
class GetServerConfig(base.Command):
  """Get Google Kubernetes Engine server configuration for AWS."""

  detailed_help = {'EXAMPLES': _EXAMPLES}

  @staticmethod
  def Args(parser):
    resource_args.AddLocationResourceArg(parser, 'to get server configuration')

  def Run(self, args):
    """Run get-server-config command."""
    release_track = self.ReleaseTrack()
    location_ref = args.CONCEPTS.location.Parse()

    with endpoint_util.GkemulticloudEndpointOverride(location_ref.locationsId,
                                                     release_track):
      client = api_util.GetClientInstance(release_track=release_track)
      messages = api_util.GetMessagesModule(release_track=release_track)
      log.status.Print('Fetching server config for {location}'.format(
          location=location_ref.locationsId))
      req = messages.GkemulticloudProjectsLocationsGetAwsServerConfigRequest(
          name='{}/awsServerConfig'.format(location_ref.RelativeName()))
      return client.projects_locations.GetAwsServerConfig(req)
