// ==UserScript==
// @name          RuTorrent remote
// @namespace     http://example.com
// @description   remotly add torrents from eztv
// @version       0.1
// @date          2010-05-10
// @creator       author
// @include       http://eztv.it/
// @include       http://eztv.it/shows/*/*
// @include       https://eztv.it/
// @include       https://eztv.it/shows/*/*
// ==/UserScript==


//==//==//==//==//==//==//==//== LIBRARY FUNCTIONS ==//==//==//==//==//==//==//==//

$i = function(id) {
  return document.getElementById(id);
}

$x = function(xpath, root) {
  var doc = root ? root.evaluate?root:root.ownerDocument : document;
  var got = doc.evaluate( xpath, root||doc, null, 0, null ), next;
  var result = [];
  while( next = got.iterateNext() )
    result.push( next );
  return result;
}

importNode = function(e4x, doc) {
  var me = importNode, xhtml, domTree, importMe;
  me.Const = me.Const || { mimeType: 'text/xml' };
  me.Static = me.Static || {};
  me.Static.parser = me.Static.parser || new DOMParser;
  xhtml = <testing xmlns="http://www.w3.org/1999/xhtml" />;
  xhtml.test = e4x;
  domTree = me.Static.parser.parseFromString( xhtml.toXMLString(),
           me.Const.mimeType );
  importMe = domTree.documentElement.firstChild;
  while( importMe && importMe.nodeType != 1 )
    importMe = importMe.nextSibling;
  if( !doc ) doc = document;
  return importMe ? doc.importNode( importMe, true ) : null;
}

function appendTo(e4x, node, doc) {
  return node.appendChild( importNode( e4x, doc || node.ownerDocument ) );
}

var Base64 = {

  // private property
  _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

  // public method for encoding
  encode : function (input) {
    var output = "";
    var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
    var i = 0;

    input = Base64._utf8_encode(input);

    while (i < input.length) {

      chr1 = input.charCodeAt(i++);
      chr2 = input.charCodeAt(i++);
      chr3 = input.charCodeAt(i++);

      enc1 = chr1 >> 2;
      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
      enc4 = chr3 & 63;

      if (isNaN(chr2)) {
        enc3 = enc4 = 64;
      } else if (isNaN(chr3)) {
        enc4 = 64;
      }

      output = output +
      this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
      this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

    }

    return output;
  },

  // public method for decoding
  decode : function (input) {
    var output = "";
    var chr1, chr2, chr3;
    var enc1, enc2, enc3, enc4;
    var i = 0;

    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

    while (i < input.length) {

      enc1 = this._keyStr.indexOf(input.charAt(i++));
      enc2 = this._keyStr.indexOf(input.charAt(i++));
      enc3 = this._keyStr.indexOf(input.charAt(i++));
      enc4 = this._keyStr.indexOf(input.charAt(i++));

      chr1 = (enc1 << 2) | (enc2 >> 4);
      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
      chr3 = ((enc3 & 3) << 6) | enc4;

      output = output + String.fromCharCode(chr1);

      if (enc3 != 64) {
        output = output + String.fromCharCode(chr2);
      }
      if (enc4 != 64) {
        output = output + String.fromCharCode(chr3);
      }

    }

    output = Base64._utf8_decode(output);

    return output;

  },

  // private method for UTF-8 encoding
  _utf8_encode : function (string) {
    string = string.replace(/\r\n/g,"\n");
    var utftext = "";

    for (var n = 0; n < string.length; n++) {

      var c = string.charCodeAt(n);

      if (c < 128) {
        utftext += String.fromCharCode(c);
      }
      else if((c > 127) && (c < 2048)) {
        utftext += String.fromCharCode((c >> 6) | 192);
        utftext += String.fromCharCode((c & 63) | 128);
      }
      else {
        utftext += String.fromCharCode((c >> 12) | 224);
        utftext += String.fromCharCode(((c >> 6) & 63) | 128);
        utftext += String.fromCharCode((c & 63) | 128);
      }

    }

    return utftext;
  },

  // private method for UTF-8 decoding
  _utf8_decode : function (utftext) {
    var string = "";
    var i = 0;
    var c = c1 = c2 = 0;

    while ( i < utftext.length ) {

      c = utftext.charCodeAt(i);

      if (c < 128) {
        string += String.fromCharCode(c);
        i++;
      }
      else if((c > 191) && (c < 224)) {
        c2 = utftext.charCodeAt(i+1);
        string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
        i += 2;
      }
      else {
        c2 = utftext.charCodeAt(i+1);
        c3 = utftext.charCodeAt(i+2);
        string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
        i += 3;
      }

    }

    return string;
  }

}

//==//==//==//==//==//==//==//== LIBRARY FUNCTIONS END ==//==//==//==//==//==//==//

meta = new Array();
auth = null;

rr_serverchange = function() {
  for(var i=0; i<2; i++)
    if($i('ssb'+i).checked)
      s = i;
  GM_setValue('server',s);
}

rr_download_statechange = function(id, rd) {
  alert(id + ' ' + rd.readyStatus);
  if(rd.readyState < 4)
    return;

  if(rd==200)
    meta[id][2].src = "https://127.0.0.1/testing/img/16/weather-clear.png";
  else
    meta[id][2].src = "https://127.0.0.1/testing/img/16/weather-storm.png";
}

rr_download_start = function(id,/*obj*/) {
  alert(id);
  //alert(obj.id.match(/rr_down_(.*)/)[1]);
  meta[id][2].src = "https://127.0.0.1/testing/img/16/software-update-available.png";

  GM_xmlhttpRequest
  ({
    method:   "POST",
    url:      "https://example.com/rt/addtorrent.php",
    headers:  { "Content-Type": "application/x-www-form-urlencoded"},
    data:     'url='+encodeURI(meta[id][3]),
    onreadystatechange: function(rd) {rr_download_statechange(id,rd)}
  });
}

rr_onload = function() {
  // create authorization token
  auth = Base64.encode('rr:vnurnalurnfhzab4kzhb'); //example credentials
  // prepare server switch boxes
  var ssbp = <div id="ssb_parent" style="border: 1px #0F559D solid; background-color: #D8EAFC; position: fixed; right: 10px; top: 10px; padding: 2px;">
               <input type="radio" name="ssb" id="ssb0" value="0"/> <label for="ssb0">lgw</label><br/>
               <input type="radio" name="ssb" id="ssb1" value="1"/> <label for="ssb1">root</label>
             </div>;
  // insert server switch boxes
  appendTo(ssbp, document.body);

  // add listener
  for(var i=0; i<2; i++)
    $i('ssb'+i).addEventListener('click',rr_serverchange,false);

  // get last selected server
  if(GM_getValue('server'))
    s = GM_getValue('server');
  else
    s = 0;

  // set selection
  $i('ssb'+s).checked = true;

  rr_releasetypes = new Array(new Array(/720p/i,"720p","B63ABA"),
                              new Array(/hdtv/i,"HDTV","429BF5"),
                              new Array(/pdtv/i,"PDTV","09E34E")
                             );
  rr_releaseimprovements = new Array(/prope?r/i,
                                     /repack/i);



  // scan for torrents
  var trs = $x("//tr[@class='forum_header_border']");
  for(var i=0; i<trs.length; i++) {

    var rt = 0;
    var imp = false;

    var td = $x("./td[2]",trs[i]);
    if(!td.length)
      continue;
    else
      td = td[0];

    var desc = $x("./a",td);
    if(!desc.length)
      continue;
    else
      desc = desc[0].title

    for(j=0; j<rr_releasetypes.length; j++) {
      if(desc.match(rr_releasetypes[j][0])) {
        for(k=0; k<rr_releaseimprovements.length; k++) {
          if(desc.match(rr_releaseimprovements[k])) {
            imp = true;
            break;
          }
        }
        rt = j;

        break;
      }
    }
    var tlink = $x("./td[3]/a[@class='magnet']",trs[i])[0];

    var reltype = appendTo(<span style="float: right; font-size: -2; color: {rr_releasetypes[j][2]}">{rr_releasetypes[rt][1]}</span>,td);
    if(imp)
      td.style.backgroundColor = "#9AF5CB";

    var linkid = "rr_down_"+i;
    var link = appendTo(<a id={linkid} style="cursor: pointer; margin-left: 3px;"/>, reltype);
    var img  = appendTo(<img src="https://127.0.0.1/testing/img/16/go-bottom.png" style="vertical-align: middle;"/>, link);

    // save pointers to html elements for later editing
    meta[i] = new Array(reltype,link,img,tlink.href);

    // add event handler
    link.addEventListener('click',function(){rr_download_start(i,this);},false);
  }
//debug
unsafeWindow.meta=meta;
}
window.addEventListener('load',rr_onload,false);