# -*- coding: utf-8 -*- #
# Copyright 2023 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.
# See the License for the specific language governing permissions and
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"""Command for updating the MACsec key configuration of interconnect."""

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 import client
from googlecloudsdk.calliope import base
from googlecloudsdk.calliope import exceptions
from googlecloudsdk.command_lib.compute.interconnects import flags

DETAILED_HELP = {
    'DESCRIPTION': """\
        *{command}* is used to update a pre-shared key in MACsec configuration
        of interconnect.

        For an example, refer to the *EXAMPLES* section below.
        """,
    # pylint: disable=line-too-long
    'EXAMPLES': """\
        To update a pre-shared key in MACsec configuration, run:

          $ {command} example-interconnect --key-name=default-key --start-time=2021-02-01T12:12:12Z
        """,
    # pylint: enable=line-too-long
}


@base.ReleaseTracks(
    base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA, base.ReleaseTrack.GA
)
class UpdateKey(base.UpdateCommand):
  """Update pre-shared key in a Compute Engine interconnect MACsec configuration.

  *{command}* is used to update pre-shared key in MACsec configuration of
  interconnect.
  """

  INTERCONNECT_ARG = None

  @classmethod
  def Args(cls, parser):
    cls.INTERCONNECT_ARG = flags.InterconnectArgument()
    cls.INTERCONNECT_ARG.AddArgument(parser, operation_type='update')

    flags.AddMacsecPreSharedKeyNameForAddOrUpdateKey(parser)
    flags.AddMacsecPreSharedKeyStartTimeForAddOrUpdateKey(parser)

  def Collection(self):
    return 'compute.interconnects'

  def Run(self, args):
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    ref = self.INTERCONNECT_ARG.ResolveAsResource(args, holder.resources)
    interconnect = client.Interconnect(ref, compute_client=holder.client)

    macsec = interconnect.Describe().macsec
    if macsec is None:
      raise exceptions.BadArgumentException(
          'key-name',
          "Interconnect '{}' does not have MACsec config.".format(ref.Name()),
      )

    try:
      preshared_key = next(
          key for key in macsec.preSharedKeys if key.name == args.key_name
      )
    except StopIteration:
      raise exceptions.BadArgumentException(
          'key-name', "Key '{}' was not found.".format(args.key_name)
      )

    preshared_key.startTime = args.start_time

    return interconnect.Patch(
        description=None,
        interconnect_type=None,
        requested_link_count=None,
        link_type=None,
        admin_enabled=None,
        noc_contact_email=None,
        location=None,
        labels=None,
        label_fingerprint=None,
        macsec_enabled=None,
        macsec=macsec,
    )


UpdateKey.detailed_help = DETAILED_HELP