# -*- coding: utf-8 -*- #
# Copyright 2022 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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"""Check autopilot compatibility command."""

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

from googlecloudsdk.calliope import base
from googlecloudsdk.core import log


@base.UniverseCompatible
class CheckAutopilotCompatibility(base.ListCommand):
  """Check autopilot compatibility of a running cluster."""

  detailed_help = {
      'DESCRIPTION': (
          '{description}' +
          '\n\nFor clusters with GKE version 1.31.6-gke.1027000 or later, you ' +
          'must enable the control plane component that performs the check by ' +
          'running the `gcloud container clusters update` command with the ' +
          '[`--enable-autopilot-compatiblity-auditing`](https://cloud.google.com/sdk/gcloud/reference/container/clusters/update#--%5Bno-%5Denable-autopilot-compatibility-auditing) ' +
          ' flag.'
      ),
      'EXAMPLES':
          """\
          To check autopilot compatibility of an existing cluster, run:

            $ {command} sample-cluster
          """,
  }

  @staticmethod
  def Args(parser):
    parser.add_argument('name', help='The name of this cluster.')

  def Run(self, args):
    """This is what gets called when the user runs this command.

    Args:
      args: an argparse namespace. All the arguments that were provided to this
        command invocation.

    Returns:
      Some value that we want to have printed later.
    """
    adapter = self.context['api_adapter']
    location_get = self.context['location_get']
    location = location_get(args)

    def sort_key(issue):
      return (issue.incompatibilityType, issue.constraintType)

    resp = adapter.CheckAutopilotCompatibility(
        adapter.ParseCluster(args.name, location))
    resp.issues = sorted(resp.issues, key=sort_key)
    self._summary = resp.summary

    return resp.issues

  def Epilog(self, results_were_displayed):
    if self._summary:
      log.out.Print('\nSummary:\n' + self._summary)
