import System;

var description = new scan_app;
var param1 = null, param2 = null;
var fso, f1, ts, ForReading, ForWriting, s, wsh, guid;


function scan_app()
{
  var objArgs = Environment.GetCommandLineArgs();
//  write_log(get_ini_value("config.ini", "logfile"), objArgs);
  switch (objArgs.length) //Анализируем параметры командной строки
  {
    case 3:
      param1 = objArgs(1);
      param2 = objArgs(2);
      break;
    case 2:
      if (objArgs(1) == "-reg") reg_app(objArgs(0));
      else
      if (objArgs(1) == "-unreg") unreg_app();
      else write_log(get_ini_value("config.ini", "logfile"), "Usage:\nscan.exe -reg\nscan.exe -unreg\nscan.exe param1 param2");
      return;
    default:
      write_log(get_ini_value("config.ini", "logfile"), "Usage:\nscan.exe -reg\nscan.exe -unreg\nscan.exe param1 param2");
      return;
  }

  write_log(get_ini_value("config.ini", "logfile"), "Parameters:\n" + objArgs);

  switch (param2) //Запускаем приложения при получении нужных параметров
  {
    case get_ini_value("config.ini", "scan_flag"):
      wsh = new ActiveXObject("WScript.Shell");
      wsh.Run(get_ini_value("config.ini", "scan_app"),6);
      break;
    case get_ini_value("config.ini", "print_flag"):
      wsh = new ActiveXObject("WScript.Shell");
      wsh.Run(get_ini_value("config.ini", "print_app"),6);
      break;
    case get_ini_value("config.ini", "mail_flag"):
      wsh = new ActiveXObject("WScript.Shell");
      wsh.Run(get_ini_value("config.ini", "mail_app"),6);
      break;
    default:
      write_log(get_ini_value("config.ini", "logfile"), "No valid parameters\n" + objArgs);
  }

  return;
}


function reg_app(scan_app_path) //Регистрируем приложение в реестре
{
  guid = "{FC36F676-4675-4CC9-B705-3AC86F456214}";

  //Регистрируем Handler
  var Root = "HKEY_LOCAL_MACHINE";
  var key = "\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\AutoplayHandlers\\Handlers\\WIA_" + guid + "\\";
  var valname = "Action";
  var valx = "AppScan";
  var WshShell = new ActiveXObject("WScript.Shell");
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  valname = "CLSID";
  valx = "WIACLSID";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  valname = "DefaultIcon";
  valx = "sti.dll,0";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  valname = "InitCmdline";
  valx = "/WiaCmd;" + scan_app_path + " /StiDevice:%1 /StiEvent:%2;";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  valname = "Provider";
  valx = "AppScan";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  //Регистрируем приложение
  key = "\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\StillImage\\Registered Applications\\";
  valname = "AppScan";
  valx = scan_app_path + " /StiDevice:%1 /StiEvent:%2;";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  //Регистрируем обработчик событий от сканера
  key = "\\SYSTEM\\CurrentControlSet\\Control\\StillImage\\Events\\STIProxyEvent\\" + guid + "\\";
  valname = "Cmdline";
  valx = scan_app_path + " /StiDevice:%1 /StiEvent:%2;";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  valname = "Desc";
  valx = "Direct scan";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  valname = "Icon";
  valx = "sti.dll,0";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  valname = "Name";
  valx = "ScanApp";
  WshShell.RegWrite(Root + key + valname, valx, "REG_SZ");

  write_log(get_ini_value("config.ini", "logfile"), "Application registered. Press scan button, choose ScanApp in menu to get button event id in log file.");

  return;
}


function unreg_app() //Удаляем приложение из реестра
{
  guid = "{FC36F676-4675-4CC9-B705-3AC86F456214}";

  var Root = "HKEY_LOCAL_MACHINE";
  var key = "\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\AutoplayHandlers\\Handlers\\WIA_"+ guid +"\\";
  var WshShell = new ActiveXObject("WScript.Shell");
  WshShell.RegDelete(Root + key);

  key = "\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\StillImage\\Registered Applications\\AppScan";
  WshShell.RegDelete(Root + key);

  key = "\\SYSTEM\\CurrentControlSet\\Control\\StillImage\\Events\\STIProxyEvent\\" + guid + "\\";
  WshShell.RegDelete(Root + key);

  write_log(get_ini_value("config.ini", "logfile"), "Application unregistered.");

  return;
}


function get_ini_value(iniFile, valueName) //Чтение параметра из ini файла
{
  var app_path = AppDomain.CurrentDomain.BaseDirectory;

  fso = new ActiveXObject("Scripting.FileSystemObject");
  ForReading = 1;
  ts = fso.OpenTextFile(app_path + iniFile, ForReading);

  while (!ts.AtEndOfStream)
  {
    s = ts.ReadLine();
    if (s.IndexOf("$date$") > 0) //Если в строке есть патерн даты
    {
      var date = new Date();
      var date_print = date.getYear() + ".";

      if (eval(date.getMonth()) < 10) date_print += "0"; date_print += date.getMonth() + ".";
      if (eval(date.getDate()) < 10) date_print += "0"; date_print += date.getDate() + " ";
      if (eval(date.getHours()) < 10) date_print += "0"; date_print += date.getHours() + "-";
      if (eval(date.getMinutes()) < 10) date_print += "0"; date_print += date.getMinutes() + "-";
      if (eval(date.getSeconds()) < 10) date_print += "0"; date_print += date.getSeconds();

      s = s.substring(0, s.IndexOf("$date$")) + date_print + s.substring(s.IndexOf("$date$") + 6, s.length);
    }

    if (s.substring(0, s.IndexOf("=")) == valueName) return s.substring(s.IndexOf("=") + 1, s.length);
  }

  ts.Close();

  return;
}


function write_log(logFileName, logstring) //Пишем в лог файл
{
  if (get_ini_value("config.ini", "debugflag") == "true")
  {
    var app_path = AppDomain.CurrentDomain.BaseDirectory;

    ForWriting = 2;
    fso = new ActiveXObject("Scripting.FileSystemObject");
    ts = fso.OpenTextFile(app_path + logFileName, ForWriting, true);
    ts.WriteLine(logstring) ;
    ts.Close();
  }
  return;
}