/*
 * cfg-util
 *
 * Copyright 2015-present Facebook. All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include <string.h>
#include <openbmc/pal.h>

static void
print_usage(void) {
  printf("Usage: cfg-util <dump-all|key> <value>\n");
}

int
main(int argc, char **argv) {

  int ret;
  uint8_t key[MAX_KEY_LEN] = {0};
  uint8_t val[MAX_VALUE_LEN] = {0};

  // Handle boundary checks
  if (argc < 2 || argc > 3) {
    goto err_exit;
  }

  // Handle dump of key value data base
  if ((argc == 2) && (!strcmp(argv[1], "dump-all"))){
      pal_dump_key_value();
      return 0;
  }

  // Handle Get the Configuration
  if (argc == 2) {
    snprintf(key, MAX_KEY_LEN, "%s", argv[1]);

    ret = pal_get_key_value(key, val);
    if (ret) {
      goto err_exit;
    }

    printf("%s\n", val);
    return 0;
  }

  // Handle Set the configuration
  snprintf(key, MAX_KEY_LEN, "%s", argv[1]);
  snprintf(val, MAX_VALUE_LEN, "%s", argv[2]);

  ret = pal_set_key_value(key, val);
  if (ret) {
    goto err_exit;
  }

  return 0;

err_exit:
  print_usage();
  exit(-1);
}