// ==UserScript==
// @name smileys
// @namespace vkontakte
// @include *
// @version 1.0
//
// smileys for vkontakte.ru (c) oleganza
// http://oleg.sunoni.net/smileys.userjs.html
//
// Based on original mat.user.js (c) killerstorm, lleo
// http://lleo.aha.ru/mat/user.htm


(function() {

if (window.location.hostname.match(/vkontakte/)) {   

var map = [
  ['grin',       /:D|:\)\)+|=\)\)+/gi],
  ['grin',       /\)\)\)+/gi],
  ['smiley',     /:\)+|:-\)+|=\)+|:-\]|:\]|=\]/gi],
  ['wink',       /;\)+|;-\)+/gi],
  ['tongue2',    /:-[pр]|:[pр]|:-[PР]|:[PР]/gi],
  ['blank',      /:-\||:\||=\|/gi],
  ['sad',        /:\(+|:-\(+|=\(+|:-\[|:\[|=\[/gi],
  ['nice',       /^_^/gi],
  ['kiss',       /[:;]-\*|[:;]\*/gi]
];

// http://spbgu.ru/forums/index.php?act=legends&CODE=emoticons&s=
map = [
  ['biggrin',    /:D|:\)\)+|=\)\)+/gi],
  ['biggrin',    /\)\)\)+/gi],
  ['smile',      /:\)+|:-\)+|=\)+|:-\]|:\]|=\]/gi],
  ['wink',       /;\)+|;-\)+/gi],
  ['tongue',     /:-[pр]|:[pр]|:-[PР]|:[PР]/gi],
  ['mellow',     /:-\||:\||=\|/gi],
  ['sad',        /:\(+|:-\(+|=\(+|:-\[|:\[|=\[/gi],
  ['blush2',     /\^_\^/gi],
  ['kiss2',      /[:;]-\*|[:;]\*/gi]
]

//var substRegex = /([\u0410-\u042f\u0430-\u044f]\s*)([.,?!\)]+)/gi;

function replacer (m, m1, m2) {
  //if (Math.random() > 0.5) {
//  return m1 + pickRandomWord() + m2;
//  } else return m;
} 

function xform(s) { 
  //return s.replace(substRegex, replacer); 
  for (var i = 0; i < map.length; i++) 
  {
  
    s = s.replace(map[i][1], ' <img ' +
                                       'style="margin-bottom:-0.3em;"  ' +
                                       'src="http://www.spbgu.ru/forums/html/emoticons/' +
                                        map[i][0] +'.gif" alt="" />')
                                        
    /*s = s.replace(map[i][1], '<img ' +
                                       'style="margin-bottom:-0.2em;"  ' +
                                       'src="http://www.jms101.btinternet.co.uk/' +
                                       'full_sets/gold/circular_subtle_std/' + 
                                        map[i][0] +'.gif" alt="" />')*/
  }
  return s;
} 

function smilize_node(text_node, p) {
  var s = text_node.data;
  
  var parent = p;
  if (!p) parent = text_node.parentNode;
  
  if (s.match(/\.write/)) {
    //alert(s);
    return;
  }
  
  try {
    // we need this 'cos node is text node.
    //var parent = text_node.parentNode;
    var new_node = document.createElement("span");
    var new_content = xform(s);
    if (new_content != s) {
      new_node.innerHTML = new_content;
      parent.replaceChild(new_node, text_node);
    }
  }catch(e) {    
    //alert(e);
  }
}

// replace in body text 
if (document.evaluate) { 
  //with XPath support
  var textnodes = document.evaluate( "//body//text()", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null); 
  for (var i = 0; i < textnodes.snapshotLength; i++) { 
     node = textnodes.snapshotItem(i); 
     //node.data = xform(node.data);
     smilize_node(node, null);
  }
} else {
  // no XPath -- do recursive
  function processNode(node, parent) {
      // is this a text node?
      if (node.nodeType == 3) {
          //node.data = xform(node.data);
          smilize_node(node, parent);
      } else  if (node.nodeType == 1) {
        var i;                   
        for (i = 0; i < node.childNodes.length; i++) {
            processNode(node.childNodes[i], node);
        }
    }
  }
  processNode(document.body, document.body);
}

} // if (window.location.hostname.match(...))

})();