# -*- 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.
"""Fetch the IAM policy for an application."""

from googlecloudsdk.api_lib.apphub import utils as api_lib_utils
from googlecloudsdk.api_lib.apphub.applications import client as apis
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.apphub import flags


_DETAILED_HELP = {
    'DESCRIPTION': '{description}',
    'EXAMPLES': """ \
        To get the application IAM policy for the Application `my-app` in
        in location `us-east1`, run:

          $ {command} my-app --location=us-east1
        """,
}


@base.ReleaseTracks(base.ReleaseTrack.GA)
class GetIamPolicyGA(base.ListCommand):
  """Get the IAM policy for an Apphub application.

  Returns an empty policy if the application does not have
  an existing IAM policy set.
  """
  detailed_help = _DETAILED_HELP

  @staticmethod
  def Args(parser):
    flags.AddGetIamPolicyFlags(parser)
    base.URI_FLAG.RemoveFromParser(parser)

  def Run(self, args):
    client = apis.ApplicationsClient(release_track=base.ReleaseTrack.GA)
    app_ref = api_lib_utils.GetApplicationRef(args)
    return client.GetIamPolicy(app_id=app_ref.RelativeName())


@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
class GetIamPolicy(base.ListCommand):
  """Get the IAM policy for an Apphub application.

  Returns an empty policy if the application does not have
  an existing IAM policy set.
  """
  detailed_help = _DETAILED_HELP

  @staticmethod
  def Args(parser):
    flags.AddGetIamPolicyFlags(parser)
    base.URI_FLAG.RemoveFromParser(parser)

  def Run(self, args):
    client = apis.ApplicationsClient(release_track=base.ReleaseTrack.ALPHA)
    app_ref = api_lib_utils.GetApplicationRef(args)
    return client.GetIamPolicy(app_id=app_ref.RelativeName())
