/*
 * Copyright (c) 2017-2019 Cisco and/or its affiliates.
 * 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.
 */

#include <hicn/hicn-light/config.h>

#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

#include <parc/assert/parc_Assert.h>

#include <parc/algol/parc_Memory.h>

#include <hicn/config/controlSetDebug.h>
#include <hicn/core/dispatcher.h>
#include <hicn/core/forwarder.h>

static CommandReturn _controlSetDebug_Execute(CommandParser *parser,
                                              CommandOps *ops, PARCList *args,
                                              char *output,
                                              size_t output_size);
static CommandReturn _controlSetDebug_HelpExecute(CommandParser *parser,
                                                  CommandOps *ops,
                                                  PARCList *args,
                                                  char *output,
                                                  size_t output_size);

static const char *_commandSetDebug = "set debug";
static const char *_commandSetDebugHelp = "help set debug";

// ====================================================

CommandOps *controlSetDebug_Create(ControlState *state) {
  return commandOps_Create(state, _commandSetDebug, NULL,
                           _controlSetDebug_Execute, commandOps_Destroy);
}

CommandOps *controlSetDebug_HelpCreate(ControlState *state) {
  return commandOps_Create(state, _commandSetDebugHelp, NULL,
                           _controlSetDebug_HelpExecute, commandOps_Destroy);
}

// ====================================================

static CommandReturn _controlSetDebug_HelpExecute(CommandParser *parser,
                                                  CommandOps *ops,
                                                  PARCList *args,
                                                  char *output,
                                                  size_t output_size) {
  snprintf(output, output_size, "set debug: will enable the debug flag for more verbose output\n");
  return CommandReturn_Success;
}

static CommandReturn _controlSetDebug_Execute(CommandParser *parser,
                                              CommandOps *ops,
                                              PARCList *args,
                                              char *output,
                                              size_t output_size) {
  if (parcList_Size(args) != 2) {
    _controlSetDebug_HelpExecute(parser, ops, args, output, output_size);
    return CommandReturn_Failure;
  }

  ControlState *state = ops->closure;
  controlState_SetDebug(state, true);
  snprintf(output, output_size, "Debug flag set\n\n");
  return CommandReturn_Success;
}