# -*- coding: utf-8 -*- #
# Copyright 2015 Google Inc. 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 for listing named ports in instance groups."""

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 import instance_groups_utils
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.compute import flags
from googlecloudsdk.command_lib.compute.instance_groups import flags as instance_groups_flags
from googlecloudsdk.core import properties


@base.ReleaseTracks(base.ReleaseTrack.GA)
class GetNamedPorts(base.ListCommand):
  """Implements get-named-ports command, GA version."""

  @staticmethod
  def Args(parser):
    GetNamedPorts.ZonalInstanceGroupArg = (
        instance_groups_flags.MakeZonalInstanceGroupArg())
    GetNamedPorts.ZonalInstanceGroupArg.AddArgument(parser)
    parser.display_info.AddFormat('table(name, port)')

  def Run(self, args):
    """Retrieves response with named ports."""
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    project = properties.VALUES.core.project.Get(required=True)
    group_ref = (
        GetNamedPorts.ZonalInstanceGroupArg.ResolveAsResource(
            args, holder.resources,
            scope_lister=flags.GetDefaultScopeLister(
                holder.client, project)))
    return instance_groups_utils.OutputNamedPortsForGroup(
        group_ref, holder.client)

  detailed_help = (
      instance_groups_utils.INSTANCE_GROUP_GET_NAMED_PORT_DETAILED_HELP)


@base.ReleaseTracks(base.ReleaseTrack.BETA, base.ReleaseTrack.ALPHA)
class GetNamedPortsBeta(base.ListCommand):
  """Implements get-named-ports command, alpha, and beta versions."""

  @staticmethod
  def Args(parser):
    instance_groups_flags.MULTISCOPE_INSTANCE_GROUP_ARG.AddArgument(parser)
    parser.display_info.AddFormat('table(name, port)')

  def Run(self, args):
    """Retrieves response with named ports."""
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    project = properties.VALUES.core.project.Get(required=True)
    group_ref = (
        instance_groups_flags.MULTISCOPE_INSTANCE_GROUP_ARG.ResolveAsResource(
            args, holder.resources,
            default_scope=flags.ScopeEnum.ZONE,
            scope_lister=flags.GetDefaultScopeLister(
                holder.client, project)))
    return instance_groups_utils.OutputNamedPortsForGroup(
        group_ref, holder.client)

  detailed_help = (
      instance_groups_utils.INSTANCE_GROUP_GET_NAMED_PORT_DETAILED_HELP)
