module.exports = function(locale, platform, userAgent) {

  // general
  locale.bindKeyCode(3,   ['cancel']);
  locale.bindKeyCode(8,   ['backspace']);
  locale.bindKeyCode(9,   ['tab']);
  locale.bindKeyCode(12,  ['clear']);
  locale.bindKeyCode(13,  ['enter']);
  locale.bindKeyCode(16,  ['shift']);
  locale.bindKeyCode(17,  ['ctrl']);
  locale.bindKeyCode(18,  ['alt', 'menu']);
  locale.bindKeyCode(19,  ['pause', 'break']);
  locale.bindKeyCode(20,  ['capslock']);
  locale.bindKeyCode(27,  ['escape', 'esc']);
  locale.bindKeyCode(32,  ['space', 'spacebar']);
  locale.bindKeyCode(33,  ['pageup']);
  locale.bindKeyCode(34,  ['pagedown']);
  locale.bindKeyCode(35,  ['end']);
  locale.bindKeyCode(36,  ['home']);
  locale.bindKeyCode(37,  ['left']);
  locale.bindKeyCode(38,  ['up']);
  locale.bindKeyCode(39,  ['right']);
  locale.bindKeyCode(40,  ['down']);
  locale.bindKeyCode(41,  ['select']);
  locale.bindKeyCode(42,  ['printscreen']);
  locale.bindKeyCode(43,  ['execute']);
  locale.bindKeyCode(44,  ['snapshot']);
  locale.bindKeyCode(45,  ['insert', 'ins']);
  locale.bindKeyCode(46,  ['delete', 'del']);
  locale.bindKeyCode(47,  ['help']);
  locale.bindKeyCode(145, ['scrolllock', 'scroll']);
  locale.bindKeyCode(187, ['equal', 'equalsign', '=']);
  locale.bindKeyCode(188, ['comma', ',']);
  locale.bindKeyCode(190, ['period', '.']);
  locale.bindKeyCode(191, ['slash', 'forwardslash', '/']);
  locale.bindKeyCode(192, ['graveaccent', '`']);
  locale.bindKeyCode(219, ['openbracket', '[']);
  locale.bindKeyCode(220, ['backslash', '\\']);
  locale.bindKeyCode(221, ['closebracket', ']']);
  locale.bindKeyCode(222, ['apostrophe', '\'']);

  // 0-9
  locale.bindKeyCode(48, ['zero', '0']);
  locale.bindKeyCode(49, ['one', '1']);
  locale.bindKeyCode(50, ['two', '2']);
  locale.bindKeyCode(51, ['three', '3']);
  locale.bindKeyCode(52, ['four', '4']);
  locale.bindKeyCode(53, ['five', '5']);
  locale.bindKeyCode(54, ['six', '6']);
  locale.bindKeyCode(55, ['seven', '7']);
  locale.bindKeyCode(56, ['eight', '8']);
  locale.bindKeyCode(57, ['nine', '9']);

  // numpad
  locale.bindKeyCode(96, ['numzero', 'num0']);
  locale.bindKeyCode(97, ['numone', 'num1']);
  locale.bindKeyCode(98, ['numtwo', 'num2']);
  locale.bindKeyCode(99, ['numthree', 'num3']);
  locale.bindKeyCode(100, ['numfour', 'num4']);
  locale.bindKeyCode(101, ['numfive', 'num5']);
  locale.bindKeyCode(102, ['numsix', 'num6']);
  locale.bindKeyCode(103, ['numseven', 'num7']);
  locale.bindKeyCode(104, ['numeight', 'num8']);
  locale.bindKeyCode(105, ['numnine', 'num9']);
  locale.bindKeyCode(106, ['nummultiply', 'num*']);
  locale.bindKeyCode(107, ['numadd', 'num+']);
  locale.bindKeyCode(108, ['numenter']);
  locale.bindKeyCode(109, ['numsubtract', 'num-']);
  locale.bindKeyCode(110, ['numdecimal', 'num.']);
  locale.bindKeyCode(111, ['numdivide', 'num/']);
  locale.bindKeyCode(144, ['numlock', 'num']);

  // function keys
  locale.bindKeyCode(112, ['f1']);
  locale.bindKeyCode(113, ['f2']);
  locale.bindKeyCode(114, ['f3']);
  locale.bindKeyCode(115, ['f4']);
  locale.bindKeyCode(116, ['f5']);
  locale.bindKeyCode(117, ['f6']);
  locale.bindKeyCode(118, ['f7']);
  locale.bindKeyCode(119, ['f8']);
  locale.bindKeyCode(120, ['f9']);
  locale.bindKeyCode(121, ['f10']);
  locale.bindKeyCode(122, ['f11']);
  locale.bindKeyCode(123, ['f12']);

  // secondary key symbols
  locale.bindMacro('shift + `', ['tilde', '~']);
  locale.bindMacro('shift + 1', ['exclamation', 'exclamationpoint', '!']);
  locale.bindMacro('shift + 2', ['at', '@']);
  locale.bindMacro('shift + 3', ['number', '#']);
  locale.bindMacro('shift + 4', ['dollar', 'dollars', 'dollarsign', '$']);
  locale.bindMacro('shift + 5', ['percent', '%']);
  locale.bindMacro('shift + 6', ['caret', '^']);
  locale.bindMacro('shift + 7', ['ampersand', 'and', '&']);
  locale.bindMacro('shift + 8', ['asterisk', '*']);
  locale.bindMacro('shift + 9', ['openparen', '(']);
  locale.bindMacro('shift + 0', ['closeparen', ')']);
  locale.bindMacro('shift + -', ['underscore', '_']);
  locale.bindMacro('shift + =', ['plus', '+']);
  locale.bindMacro('shift + [', ['opencurlybrace', 'opencurlybracket', '{']);
  locale.bindMacro('shift + ]', ['closecurlybrace', 'closecurlybracket', '}']);
  locale.bindMacro('shift + \\', ['verticalbar', '|']);
  locale.bindMacro('shift + ;', ['colon', ':']);
  locale.bindMacro('shift + \'', ['quotationmark', '\'']);
  locale.bindMacro('shift + !,', ['openanglebracket', '<']);
  locale.bindMacro('shift + .', ['closeanglebracket', '>']);
  locale.bindMacro('shift + /', ['questionmark', '?']);

  //a-z and A-Z
  for (var keyCode = 65; keyCode <= 90; keyCode += 1) {
    var keyName = String.fromCharCode(keyCode + 32);
    var capitalKeyName = String.fromCharCode(keyCode);
  	locale.bindKeyCode(keyCode, keyName);
  	locale.bindMacro('shift + ' + keyName, capitalKeyName);
  	locale.bindMacro('capslock + ' + keyName, capitalKeyName);
  }

  // browser caveats
  var semicolonKeyCode = userAgent.match('Firefox') ? 59  : 186;
  var dashKeyCode      = userAgent.match('Firefox') ? 173 : 189;
  var leftCommandKeyCode;
  var rightCommandKeyCode;
  if (platform.match('Mac') && (userAgent.match('Safari') || userAgent.match('Chrome'))) {
    leftCommandKeyCode  = 91;
    rightCommandKeyCode = 93;
  } else if(platform.match('Mac') && userAgent.match('Opera')) {
    leftCommandKeyCode  = 17;
    rightCommandKeyCode = 17;
  } else if(platform.match('Mac') && userAgent.match('Firefox')) {
    leftCommandKeyCode  = 224;
    rightCommandKeyCode = 224;
  }
  locale.bindKeyCode(semicolonKeyCode,    ['semicolon', ';']);
  locale.bindKeyCode(dashKeyCode,         ['dash', '-']);
  locale.bindKeyCode(leftCommandKeyCode,  ['command', 'windows', 'win', 'super', 'leftcommand', 'leftwindows', 'leftwin', 'leftsuper']);
  locale.bindKeyCode(rightCommandKeyCode, ['command', 'windows', 'win', 'super', 'rightcommand', 'rightwindows', 'rightwin', 'rightsuper']);

  // kill keys
  locale.setKillKey('command');
};