# -*- coding: utf-8 -*- #
# Copyright 2025 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
# limitations under the License.
"""Command for reporting a faulty reservation sub-block."""


from googlecloudsdk.api_lib.compute import base_classes
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.compute import flags as compute_flags
from googlecloudsdk.command_lib.compute import scope as compute_scope
from googlecloudsdk.command_lib.compute.reservations import resource_args
from googlecloudsdk.command_lib.compute.reservations.sub_blocks import flags
from googlecloudsdk.command_lib.compute.reservations.sub_blocks import util
from googlecloudsdk.core.console import console_io


def _GetReportFaultyRequest(args, reservation_ref, holder):
  """Create Update Request for report faulty."""
  client = holder.client
  parent_name = f'reservations/{reservation_ref.reservation}/reservationBlocks/{args.block_name}'

  fault_reasons = []
  if args.fault_reasons:
    for reason in args.fault_reasons:
      fault_reasons.append(
          client.messages.ReservationSubBlocksReportFaultyRequestFaultReason(
              behavior=util.MakeFaultBehavior(
                  client.messages, reason.get('behavior')
              ),
              description=reason.get('description'),
          )
      )

  disruption_schedule = util.MakeDisruptionSchedule(
      client.messages, args.disruption_schedule
  )
  failure_component = util.MakeFailureComponent(
      client.messages, args.failure_component
  )
  report_faulty_body = client.messages.ReservationSubBlocksReportFaultyRequest(
      disruptionSchedule=disruption_schedule,
      faultReasons=fault_reasons,
      failureComponent=failure_component,
  )

  request = client.messages.ComputeReservationSubBlocksReportFaultyRequest(
      parentName=parent_name,
      zone=reservation_ref.zone,
      project=reservation_ref.project,
      reservationSubBlock=args.sub_block_name,
      reservationSubBlocksReportFaultyRequest=report_faulty_body,
  )
  return request


@base.UniverseCompatible
@base.ReleaseTracks(
    base.ReleaseTrack.ALPHA,
    base.ReleaseTrack.BETA,
    base.ReleaseTrack.GA,
    base.ReleaseTrack.PREVIEW,
)
class ReportFaulty(base.UpdateCommand):
  """Report a sub-block within a reservation as faulty."""

  @staticmethod
  def Args(parser):
    resource_args.GetReservationResourceArg(
        help_text=(
            'The name of the reservation containing the sub-block to report as'
            ' faulty'
        )
    ).AddArgument(parser, operation_type='report-subblock-as-faulty')
    flags.AddDescribeFlags(parser)
    flags.GetDisruptionScheduleFlag().AddToParser(parser)
    flags.GetFaultReasonsFlag().AddToParser(parser)
    flags.GetFailureComponentFlag().AddToParser(parser)

  def Run(self, args):
    holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
    client = holder.client

    reservation_ref = resource_args.GetReservationResourceArg(
        ).ResolveAsResource(
            args,
            holder.resources,
            default_scope=compute_scope.ScopeEnum.ZONE,
            scope_lister=compute_flags.GetDefaultScopeLister(client))

    prompt_message = (
        'WARNING: This action is highly disruptive and will immediately '
        'terminate all running VMs within this sub-block.'
    )
    console_io.PromptContinue(
        message=prompt_message,
        prompt_string='Do you want to continue?',
        throw_if_unattended=True,
        cancel_on_no=True,
    )

    request = _GetReportFaultyRequest(args, reservation_ref, holder)

    return client.MakeRequests([(client.apitools_client.reservationSubBlocks,
                                 'ReportFaulty', request)])

ReportFaulty.detailed_help = {
    'EXAMPLES':
        """\
    To report reservation exr-1 in ZONE with block name block-1 and
    sub block name sub-block-1 as faulty, run:

      $ {command} exr-1 --zone=ZONE --block-name=block-1 \
          --sub-block-name=sub-block-1 \
          --disruption-schedule=IMMEDIATE \
          --fault-reasons=behavior=PERFORMANCE,description="performance issues" \
          --failure-component=NVLINK_SWITCH
    """,
}
