/****************************************************************************
 * apps/system/nxpkg/pkg_main.c
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you 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.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

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

#include "pkg.h"

/****************************************************************************
 * Public Functions
 ****************************************************************************/

int main(int argc, FAR char *argv[])
{
  FAR const char *cmd;

  if (argc < 2)
    {
      fprintf(stderr,
              "Usage: %s <install|update|list|rollback|help> [args]\n",
              argv[0]);
      return EXIT_FAILURE;
    }

  cmd = argv[1];

  if (strcmp(cmd, "help") == 0 || strcmp(cmd, "--help") == 0 ||
      strcmp(cmd, "-h") == 0)
    {
      fprintf(stdout,
              "Usage: %s <install|update|list|rollback|help> [args]\n",
              argv[0]);
      return EXIT_SUCCESS;
    }

  if (strcmp(cmd, "install") == 0)
    {
      if (argc != 3)
        {
          pkg_error("install expects exactly one package name");
          fprintf(stderr,
                  "Usage: %s <install|update|list|rollback|help> [args]\n",
                  argv[0]);
          return EXIT_FAILURE;
        }

      return pkg_install(argv[2]);
    }

  if (strcmp(cmd, "update") == 0)
    {
      pkg_error("'update' is not implemented yet in the current unit");
      return EXIT_FAILURE;
    }

  if (strcmp(cmd, "list") == 0)
    {
      if (argc != 2)
        {
          pkg_error("list does not take additional arguments");
          fprintf(stderr,
                  "Usage: %s <install|update|list|rollback|help> [args]\n",
                  argv[0]);
          return EXIT_FAILURE;
        }

      return pkg_list(stdout);
    }

  if (strcmp(cmd, "rollback") == 0)
    {
      pkg_error("'rollback' is not implemented yet in the current unit");
      return EXIT_FAILURE;
    }

  fprintf(stderr, "ERROR: Unknown subcommand '%s'\n", cmd);
  fprintf(stderr,
          "Usage: %s <install|update|list|rollback|help> [args]\n",
          argv[0]);
  return EXIT_FAILURE;
}