#include <unistd.h>
#include <pwd.h>

#include "../include/calibratetext.hpp"
#include "../include/exceptionhandler.hpp"

CalibrateText::CalibrateText(const std::string &path, const std::string &md5, const std::string &before, const std::string &after, const CalibrateFlag cf)
: Calibrate(path, md5), _before(before), _after(after), _cf(cf) {}

void CalibrateText::Execute() const
{
  std::cout << "Calibrating " << _path << "\n";

  std::string cmd = "sed -i -- 's/" + _before + "/" + _after + "/g' " + _path;
  std::string ucs2_to_utf8;
  std::string utf8_to_ucs2;

  switch (_cf)
  {
    case UCS2:
      cmd += "_utf8";
      ucs2_to_utf8 = "iconv -f ucs-2 -t utf-8 -o " + _path + "_utf8" + " " + _path;
      utf8_to_ucs2 = "iconv -f utf-8 -t ucs-2 -o " + _path + " " + _path + "_utf8";

      /* Converting .txt file from UCS-2 to UTF-8 into a new .txt_utf8 file */
      if (system(ucs2_to_utf8.c_str()))
      {
        throw ExceptionHandler(PROCESS_ERROR, _path);
      }
      break;
    case NORMAL:
    default:
      break;
  }

  if (system(cmd.c_str()))
  {
    throw ExceptionHandler(PROCESS_ERROR, _path);
  }

  switch (_cf)
  {
    case UCS2:
      /* Converting back from UTF-8 to UCS-2 in .txt*/
      if (system(utf8_to_ucs2.c_str()))
      {
        throw ExceptionHandler(PROCESS_ERROR, _path);
      }


      break;
    case NORMAL:
    default:
      break;
  }



  /** NOT FUNCTIONAL

  // Verifying MD5 checksum
  md5sum(path[i], md5_local);
  if ((strcmp(to_hex(md5_local).c_str(), path_md5[i]) != 0))
  {
    print_md5_sum(md5_local);
    std::cerr << " != " << path_md5[i] << "\nFailed to calibrate preferences.empire_script.txt !" << "\n";
  }*/
}