# -*- coding: utf-8 -*- #
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#
# 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 cross site networks."""

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.interconnects.cross_site_networks import client
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.compute.interconnects.cross_site_networks import flags
from googlecloudsdk.core import properties


_DETAILED_HELP = {
    'DESCRIPTION': """\
        *{command}* is used to describe a cross site network.

        For an example, refer to the *EXAMPLES* section below.
        """,
    'EXAMPLES': """\
        To describe a cross site network, run:

          $ {command} example-csn
        """,
}


@base.UniverseCompatible
@base.ReleaseTracks(
    base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA, base.ReleaseTrack.GA
)
class Describe(base.DescribeCommand):
  """Describe a Compute Engine cross site network.

  *{command}* displays all data associated with Compute Engine
  cross site network in a project.
  """

  # Framework override.
  detailed_help = _DETAILED_HELP

  CROSS_SITE_NETWORK_ARG = None

  @classmethod
  def Args(cls, parser):
    cls.CROSS_SITE_NETWORK_ARG = flags.CrossSiteNetworkArgument()
    cls.CROSS_SITE_NETWORK_ARG.AddArgument(parser, operation_type='describe')

  def Run(self, args):
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    ref = self.CROSS_SITE_NETWORK_ARG.ResolveAsResource(args, holder.resources)
    project = properties.VALUES.core.project.GetOrFail()

    cross_site_network = client.CrossSiteNetwork(
        ref, project=project, compute_client=holder.client
    )
    return cross_site_network.Describe()