# -*- 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.
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"""Command for describing organization firewall policies."""

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

from googlecloudsdk.api_lib.compute import base_classes
from googlecloudsdk.api_lib.compute.firewall_policies import client
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.compute.firewall_policies import firewall_policies_utils
from googlecloudsdk.command_lib.compute.firewall_policies import flags
import six


@base.DefaultUniverseOnly
class Describe(base.DescribeCommand):
  """Describe a Compute Engine organization firewall policy.

  *{command}* is used to describe organization firewall policies. An
  organization firewall policy is a set of rules that controls access to various
  resources.
  """

  FIREWALL_POLICY_ARG = None

  @classmethod
  def Args(cls, parser):
    cls.FIREWALL_POLICY_ARG = flags.FirewallPolicyArgument(
        required=True, operation='describe')
    cls.FIREWALL_POLICY_ARG.AddArgument(parser, operation_type='get')
    parser.add_argument(
        '--organization',
        help=('Organization in which the organization firewall policy is to be'
              ' described. Must be set if FIREWALL_POLICY is short name.'))

  def Run(self, args):
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    ref = self.FIREWALL_POLICY_ARG.ResolveAsResource(
        args, holder.resources, with_project=False)
    org_firewall_policy = client.OrgFirewallPolicy(
        ref=ref,
        compute_client=holder.client,
        resources=holder.resources,
        version=six.text_type(self.ReleaseTrack()).lower())

    fp_id = firewall_policies_utils.GetFirewallPolicyId(
        org_firewall_policy, ref.Name(), organization=args.organization)
    return org_firewall_policy.Describe(
        fp_id=fp_id, only_generate_request=False)


Describe.detailed_help = {
    'EXAMPLES':
        """\
    To describe an organization firewall policy with ID ``123456789", run:

      $ {command} 123456789
    """,
    'IAM PERMISSIONS': """\
    To describe a firewall policy, the user must have the following
    permission: *`compute.firewallPolicies.get`.

    To find predefined roles that contain those permissions, see the [Compute
    Engine IAM roles](https://cloud.google.com/compute/docs/access/iam).
    """
}