// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Mobius Forensic Toolkit
// Copyright (C) 2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018 Eduardo Aguiar
//
// 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, 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, see <http://www.gnu.org/licenses/>.
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include <mobius/core/application.h>
#include <mobius/model/case_manager.h>
#include <unistd.h>
#include <iostream>

void
show_item (mobius::model::item item, int level = 0)
{
  const std::string indent (level * 2, ' ');

  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  // show metadata
  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  std::cout << std::endl;
  std::cout << indent << "uid: " << item.get_uid () << std::endl;
  std::cout << indent << "category: " << item.get_category () << std::endl;

  auto parent = item.get_parent ();
  
  if (parent)
    std::cout << indent << "parent: " << parent.get_attribute ("name") << std::endl;;
  
  for (const auto& p : item.get_attributes ())
    std::cout << indent << p.first << ": " << p.second << std::endl;

  for (const auto& child : item.get_children ())
    show_item (child, level + 1);
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief show case info
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
void
show_case (const std::string& path)
{
  mobius::model::case_manager case_manager;

  auto c = case_manager.open_case (path);
  show_item (c.get_root_item ());
  case_manager.close_case (c);
}  

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief show usage text
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
void
usage ()
{
  std::cerr << std::endl;
  std::cerr << "use: casetree [OPTIONS] <path1> [path2] ..." << std::endl;
  std::cerr << "e.g: casetree /work/case/2018-0001" << std::endl;
  std::cerr << std::endl;
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief main function
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
int
main (int argc, char **argv)
{
  mobius::core::application app;
  std::cerr << app.get_name () << " v" << app.get_version () << std::endl;
  std::cerr << app.get_copyright () << std::endl;
  std::cerr << "CaseTree v1.0" << std::endl;
  std::cerr << "by Eduardo Aguiar" << std::endl;
  std::cerr << std::endl;

  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  // process command line
  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  int opt;

  while ((opt = getopt (argc, argv, "")) != EOF)
    {
      /*if (opt == 'o')
        {
          offset = atol (optarg) * 512;
          break;
        }
      else
        {
          //std::cerr << "Error: Invalid option '-" << char (opt) << "'" << std::endl;
          usage ();
          exit (EXIT_FAILURE);
        }*/
    }

  if (optind == argc)
    {
      std::cerr << "Error: You must pass a valid path to a case folder" << std::endl;
      usage ();
      exit (EXIT_FAILURE);
    }

  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  // show resources
  // =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  while (optind < argc)
    {

      try
        {
          show_case (argv[optind]);
        }
      catch (const std::exception& e)
        {
          std::cerr <<  "Error: " << e.what () << std::endl;
          exit (EXIT_FAILURE);
        }

      optind++;
    }

  return EXIT_SUCCESS;
}
