// Licensed by Creative Commons Attribution-Share Alike 2.5 Bulgaria
// http://creativecommons.org/licenses/by-sa/2.5/bg/
// coded by aleksander hristov hristov@clubs.bg
function search() { 

//variables definition start

this.strings = new Object;
 this.stringSearch;
  this.loaded;
   this.sites = new Object;
    this.results = new Array;
     this.category = "";
      this.categories = new Object;
       this.categories[''] = new Object;
        this.categories['']['results'] = new Array;
         this.categoriesIndex = new Array; 
this.sortColumn = "seeds";
 this.sortOrder = 1; 
this.done = 0;
 this.resultPage; 
 this.resultMax = 50;
  this.resultCurrent = 0;
   this.pagination;
    this.cells = { date:'date', name:'string', size:'size', seeds:'color', peers:'color', engine:'engine', id:'id' }; 
    this.rows = new Object; 
this.go = search_go; 
this.sort = search_sort; 
this.display = search_display; 
this.cat = search_category; 
 this._get = search_get;
  this._done = search_done; 

  //variables definition end

 function search_go() { 
 this.strings["include"] = ""; 
 this.strings["exclude"] = ""; 
 this.strings["words"] = this.string.split(" "); 
 for(var x in this.strings["words"]) { 
 var inex = this.strings["words"][x].substr(0,1); 
 if(inex == "+") this.strings["include"] += " "+this.strings["words"][x].substr(1)+".*"; 
 else if(inex == "-") this.strings["exclude"] += "|"+this.strings["words"][x].substr(1); 
 } 
 this.strings["include"] = this.strings["include"].substr(1);
  this.strings["exclude"] = this.strings["exclude"].substr(1);
   this.strings["include"] = this.strings["include"] ? new RegExp(this.strings["include"], "gi") : "";
    this.strings["exclude"] = this.strings["exclude"] ? new RegExp(this.strings["exclude"], "gim") : "";
     this.stringSearch = this.string.replace(new RegExp("\\+|\\-", "g"),"").replace(this.strings["exclude"],"");
      this.strings["highlight"] = new RegExp("(" + this.stringSearch.replace(new RegExp("\\s", "g"),"|") + ")", "gi");
       for(var x in this.sites) { this._get(x); } 
       } 

 function search_sort(column, onlyUpdate) {
  if(!onlyUpdate) this.sortOrder = (this.sortColumn == column ? (this.sortOrder == 1 ? -1 : 1) : 1);
   document.getElementById(this.sortColumn).className = "";
    document.getElementById(column).className = "sort_" + (this.sortOrder == 1 ? 1 : 0);
     this.sortColumn = column;
      if(typeof(this.categories[this.category]) != 'undefined') this.categories[this.category]['results'].sort(_sort);       this.display(1); 
       } 
 function search_display(page) { 
 if(page != this.resultPage && typeof(window.scroll) == 'function') window.scroll(0, 0); else if(page != this.resultPage) window.scrollTo(0, 0);
  this.results = typeof(this.categories[this.category]) != 'undefined' ? this.categories[this.category]['results'] : new Array;
   this.resultPage = page; 
 while(document.getElementById('result').rows.length) document.getElementById('result').deleteRow(document.getElementById('result').rows.length-1);
  resultStart = this.resultMax * (this.resultPage - 1);
   resultStop = (this.results.length > this.resultMax ? this.resultMax * this.resultPage : this.results.length);
    document.getElementById('counter').innerHTML = "Results "+(resultStart+1)+"-"+(resultStop)+" of "+this.results.length+" for "+this.string+"";
    
     if(this.done == count(this.sites)) { 
     document.getElementById('status').innerHTML = "Search Complete";
//     document.getElementById('sites').innerHTML = "Search Complete";
      document.getElementById('status').className = "status_state_2";
       if(!this.results.length) {
        var row = document.getElementById('result').insertRow(0);
         cell = row.insertCell(0);
          cell.innerHTML = "No matching results were found, please redefine your query!";
           cell.className = "search_noResult";
            cell.colSpan = 6;
             }
              } else { 
              if(!this.results.length) {
               var row = document.getElementById('result').insertRow(0); 
              cell = row.insertCell(0);
               cell.innerHTML = "Searching, please wait...";
                cell.className = "search_wait";
                 cell.colSpan = 6;
                  }
                   document.getElementById('status').innerHTML = "Searching engine "+ (this.done + 1) +" of "+ count(this.sites); 
                   } 
     
 var html = "";
 this.categoriesIndex.sort(_sort2); 
 
 //list cats
 for(var x in this.categoriesIndex) { 
 var name = this.categoriesIndex[x];
  html += "<a href=\"javascript:search.cat('"+name+"')\">"+name+" ("+this.categories[name]['results'].length+")</a>"; 
  }
   if(html) html = "<a href=\"javascript:search.cat('')\">All ("+this.categories['']['results'].length+")</a>" + html;
    document.getElementById("categories").innerHTML = html; 
 //end list cats
 
 var results = this.results.slice(resultStart, resultStop); 
 
 // for results
 for(var x in results) {
  var rows = document.getElementById('result').rows.length;
   var row = document.getElementById('result').insertRow(rows);
        //document.getElementById('sites').innerHTML = "Search Complete";
        
    row.id = "results_" + x; 
 if(typeof(this.rows[row.id]) != 'object') this.rows[row.id] = new Object;
  this.rows[row.id]['even'] = isEven(x) ? 1 : 2;
   row.className = 'row_state_' + this.rows[row.id]['even'];
    row.onmouseover = function() { this.className = 'row_state_3';}
     row.onmouseout = function() { this.className = 'row_state_' + search.rows[this.id]['even']; }
      row.onclick = function() { window.open(search.rows[this.id]['url']+""+search.rows[this.id]['id']); }
       var y = 0; 
       for(var name in this.cells) { 
       if(this.cells[name] != 'id') cell = row.insertCell(y);
       
        switch(this.cells[name]) { 
        case "id": this.rows[row.id]['id'] = results[x][name]; break;
         case "date": cell.innerHTML = convert_date(results[x][name]);  break; 
         case "string": cell.innerHTML = "" + results[x][name].replace(this.strings["highlight"],"$1") + ""; break; 
         case "size": cell.innerHTML = convert_size(results[x][name]); break; 
         case "color": cell.innerHTML = results[x][name] > 0 ? "" + results[x][name] + "" : "" + results[x][name] + ""; break;
        case "engine": this.rows[row.id]['url'] = this.sites[results[x][name]]['url']; cell.innerHTML = this.sites[results[x][name]]['name']; break;
       
        } 
        y++; 
        } 
        } 
        var html = ""; 
        var y = 0; 
        for(var x in this.sites) { 
        
        if(this.done > count(this.sites)-1) {
        html += "&nbsp;<img src=\"i/tick.gif\" border=\"0\">&nbsp;"+this.sites[x]['name'] + "<br>"; y++;
//        html += count(this.done);
        } else {
        html += "&nbsp;<img src=\"i/load.gif\" border=\"0\">&nbsp;"+this.sites[x]['name'] + "<br>"; y++;
//        html += this.done;
        
        }
         } 
        // if(this.done == count(this.sites)) {
        //               html = html.replace("load.gif","tick.gif");
                       
        //      document.getElementById('sites').innerHTML = html;
              
        //      } else {
//              html = html.replace("load.gif","tick.gif");
         document.getElementById("sites").innerHTML = html; 
//         }

       //pagination
       if(this.pagination) { 
       var page = Math.ceil(this.results.length / this.resultMax); 
       if(page > 1) { 
       var html = "<ul>"; 
       for(var x = 1; x <= page; x++) { html += "<li><a href=\"javascript:search.display("+x+")\">"+x+"</a></li> "; } 
       html += "</ul>";
       for(var id in this.pagination) { document.getElementById(this.pagination[id]).innerHTML = html; }
        html += "         "; 
        } else { 
        for(var id in this.pagination) { document.getElementById(this.pagination[id]).innerHTML = ""; }
         } 
         } 
         }
       //end pagination

       function search_category(cat) { this.category = cat; this.sort(this.sortColumn, 1); } 
       function search_get(site) {        var page_request = new Array();        page_request["id"] = site;         page_request["xml"] = new XMLHttpRequest();          
       page_request["xml"].onreadystatechange = function() {           if(page_request["xml"].readyState == 4 && page_request["xml"].status == 200) {  var results = new Array;  try {   eval(page_request["xml"].responseText);   } catch(err) {    search._done(page_request["id"], 3);    return 0;     } 
       
       
 for(var x in results) { 
 var string = results[x]['name'].toString();
  if(search.strings["include"]) if(!string.match(search.strings["include"])) continue;
   if(search.strings["exclude"]) if(string.match(search.strings["exclude"])) continue;
    results[x]["engine"] = page_request["id"]; 
    if(!search.categories[results[x]["category"]]) {
     search.categories[results[x]["category"]] = new Object();
      search.categories[results[x]["category"]]["results"] = new Array();
       var catId = search.categoriesIndex.length;
        search.categoriesIndex[catId] = new Object();
        search.categoriesIndex[catId] = results[x]["category"];
         } search.categories['']["results"][search.categories['']["results"].length] = results[x];
        search.categories[results[x]["category"]]["results"][search.categories[results[x]["category"]]["results"].length] = results[x]; 
        }
         
 
  search.categories['']["results"] = search.categories['']["results"].concat(results);
   search._done(page_request["id"], 2); } else if(page_request["xml"].readyState == 4 && page_request["xml"].status != 200) { search._done(page_request["id"], 3); } } 
   this.sites[site]['state'] = 1; 
                     
   page_request["xml"].open("POST", "/get.php?site=" + site + "&string="+escape(this.stringSearch), true); page_request["xml"].send(""); } 

   function search_done(site, state) { 
   this.sites[site]['state'] = state; this.done++; this.sort(this.sortColumn, 1); } 
   } 
   var search = new search; 
   window.onload = function() { search.display(1); search.go(); } 

   function count(object) { var y = 0; if(object.__count) return object.__count; else if(object.length) return object.length; else { for(var x in object) y++; return y; } } 

   function isEven(num) { return !(num % 2); } 

   function convert_date(input) { 
   if(input == 0) return "-"; var date = new Date(); dif = Math.round(date / 1000) - input; years = Math.floor(dif/31535999); months = Math.floor(dif/2591999); days = Math.floor(dif/86399); hours = Math.floor(dif/3599); if(years < 1) if(months < 1) if(days < 1) if(hours < 1) stime = 'today'; else stime = hours + ' ' + (hours == 1 ? 'hour' : 'hours') + ' ago'; else stime = days + ' ' + (days == 1 ? 'day' : 'days') + ' ago'; else stime = months + ' ' + (months == 1 ? 'month' : 'months') + ' ago'; else stime = years + ' ' + (years == 1 ? 'year' : 'years') + ' ago'; return stime; } 
   function convert_size(input) { var bytes = new Array('MB','GB','TB'); for(val in bytes) { if(input > 1024) input = input / 1024; else break; } return Math.round(input*100)/100+" "+bytes[val]; } 
   
   function _sort(a, b) { 
   var x = a[search.sortColumn].toString().toLowerCase();
    var y = b[search.sortColumn].toString().toLowerCase();  
 if (search.cells[search.sortColumn] != 'string') return ((y - x) * search.sortOrder); else return (((x < y) ? -1 : ((x > y) ? 1 : 0)) * search.sortOrder); 
 }
 
 function _sort2(a, b) { 
 var x = a.toString().toLowerCase();
  var y = b.toString().toLowerCase();
   return ((x < y) ? -1 : ((x > y) ? 1 : 0)); 
}