# -*- coding: utf-8 -*- #
# Copyright 2019 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.
"""Set IAM autoscaling policy policy command."""

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

from googlecloudsdk.api_lib.dataproc import dataproc as dp
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.dataproc import flags
from googlecloudsdk.command_lib.iam import iam_util


def _Run(dataproc, args):
  """Run command."""

  messages = dataproc.messages

  policy = iam_util.ParsePolicyFile(args.policy_file, messages.Policy)
  set_iam_policy_request = messages.SetIamPolicyRequest(policy=policy)

  policy_ref = args.CONCEPTS.autoscaling_policy.Parse()
  # pylint: disable=line-too-long
  request = messages.DataprocProjectsRegionsAutoscalingPoliciesSetIamPolicyRequest(
      resource=policy_ref.RelativeName(),
      setIamPolicyRequest=set_iam_policy_request)
  # pylint: enable=line-too-long

  return dataproc.client.projects_regions_autoscalingPolicies.SetIamPolicy(
      request)


@base.ReleaseTracks(base.ReleaseTrack.GA)
class SetIamPolicy(base.Command):
  """Set IAM policy for an autoscaling policy.

  Sets the IAM policy for an autoscaling policy, given an autoscaling policy ID
  and the IAM policy.

  ## EXAMPLES
  The following command will read an IAM policy defined in a JSON file
  'policy.json' and set it for an autoscaling-policy with identifier
  'example-autoscaling-policy'

    $ {command} example-autoscaling-policy policy.json


  See https://cloud.google.com/iam/docs/managing-policies for details
  of the policy file format and contents.
  """

  @staticmethod
  def Args(parser):
    flags.AddAutoscalingPolicyResourceArg(
        parser, 'retrieve the IAM policy for', api_version='v1')
    iam_util.AddArgForPolicyFile(parser)

  def Run(self, args):
    return _Run(dp.Dataproc(self.ReleaseTrack()), args)


@base.ReleaseTracks(base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA)
class SetIamPolicyBeta(base.Command):
  r"""Set IAM policy for an autoscaling policy.

  Sets the IAM policy for an autoscaling policy, given an autoscaling policy ID
  and the IAM policy.

  ## EXAMPLES
    The following command will read an IAM policy defined in a JSON file
    'policy.json' and set it for an autoscaling-policy with identifier
    'example-autoscaling-policy'

        $ {command} autoscaling-policies set-iam-policy \
            example-autoscaling-policy policy.json

    See https://cloud.google.com/iam/docs/managing-policies for details of the
    policy file format and contents.
  """

  @staticmethod
  def Args(parser):
    flags.AddAutoscalingPolicyResourceArg(
        parser, 'retrieve the IAM policy for', api_version='v1beta2')
    iam_util.AddArgForPolicyFile(parser)

  def Run(self, args):
    return _Run(dp.Dataproc(self.ReleaseTrack()), args)
