# -*- 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
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"""Command for describing L2 forwarding interconnects attachments."""


from googlecloudsdk.api_lib.compute import base_classes
from googlecloudsdk.api_lib.compute.interconnects.attachments import client
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.compute import flags as compute_flags
from googlecloudsdk.command_lib.compute.interconnects.attachments import flags


@base.DefaultUniverseOnly
@base.ReleaseTracks(
    base.ReleaseTrack.ALPHA,
    base.ReleaseTrack.BETA,
    base.ReleaseTrack.GA,
    base.ReleaseTrack.PREVIEW,
)
class Describe(base.DescribeCommand):
  """Describe a Compute Engine L2 forwarding interconnect attachment.

  *{command}* displays all data associated with Compute Engine
  interconnect attachment in a project.
  """

  INTERCONNECT_ATTACHMENT_ARG = None

  @classmethod
  def Args(cls, parser):
    cls.INTERCONNECT_ATTACHMENT_ARG = flags.InterconnectAttachmentArgument()
    cls.INTERCONNECT_ATTACHMENT_ARG.AddArgument(
        parser, operation_type='describe'
    )
    flags.AddVlanKey(parser, required=True)

  def Run(self, args):
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    ref = self.INTERCONNECT_ATTACHMENT_ARG.ResolveAsResource(
        args,
        holder.resources,
        scope_lister=compute_flags.GetDefaultScopeLister(holder.client),
    )

    interconnect_attachment = client.InterconnectAttachment(
        ref, compute_client=holder.client
    )
    return interconnect_attachment.DescribeMapping(
        vlan_key=args.vlan_key,
    )
