var galleryDir = "fileadmin/gallery/";
var scriptDir = "fileadmin/templates/gallery/"
var albums = [];

function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  }
  return false;
} 

function loadAlbums(curAlbum){
  var xmlHttp;
  try
    {  xmlHttp=new XMLHttpRequest(); }catch (e)
      { try { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); }catch (e)
        { try { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); }catch (e)
              { alert("Your browser does not support AJAX!");return false;}
        }
      }

  if (xmlHttp==null)
    {
      alert ("Your browser does not support AJAX!");
      return;
    }

  if (curAlbum=="")
    xmlHttp.open("GET", scriptDir+"load_latest_albums.php?album=mainAlbum&rand="+Math.floor(Math.random()*100),true);
  else
    xmlHttp.open("GET", scriptDir+"load_latest_albums.php?album="+curAlbum+"&rand="+Math.floor(Math.random()*100),true);
    
    xmlHttp.onreadystatechange=function()
    {
      if(xmlHttp.readyState==4)
        {
          var string = xmlHttp.responseText;
          string = string.split("<#@%>");
          albums.length = 0;
          var j=0;
          var title = string[0];
          var description = string[1];
          for (var i=2; i<string.length-5; i=i+5){
            albums[j] = [];
            albums[j]['full_path'] = string[i];
            albums[j]['path'] = string[i+1];
            albums[j]['image'] = string[i+2];
            albums[j]['title'] = string[i+3];
            albums[j]['description'] = string[i+4];
            albums[j]['path_no_numbers'] = getTitle(string[i+1]);
            //alert(string[i+1]+"->"+getTitle(string[i+1]));
            j++;
          }
          fillGallery(curAlbum,title,description);
        }
    }
    xmlHttp.send(null);
}

function isInteger(s){
  var i;
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}

function getTitle(string){
  if (string.indexOf(".")!=-1){
    var position = string.indexOf(".");
    var number = string.substr(0,position);
    if (isInteger(number))
      return string.substr(position+1,string.length);
    else
      return string;
  }else{
    return string;
  }
}

function gallery(){
  var album = getQueryVariable("album");
  if (album)
    loadAlbums(album);
  else 
    loadAlbums("");
}

function fillGallery(album,title,description){
  var content = "";
  var a = 0;
  
  var curAlbum = document.createElement("div");
  curAlbum.className = "curent_album";
  
  var curAlbumTitle = document.createElement("div");
  curAlbumTitle.className = "title";
  curAlbumTitle.innerHTML = title;
  
  var curAlbumDesc = document.createElement("div");
  curAlbumDesc.className = "description";
  curAlbumDesc.innerHTML = description;
  
  curAlbum.appendChild(curAlbumTitle);
  curAlbum.appendChild(curAlbumDesc);
  
  var allAlbums = document.createElement("div");
  allAlbums.className = "all_albums";
  
  var allPictures = document.createElement("div");
  allPictures.className = "all_pictures";
  
  for (var i=0; i<albums.length; i++){
    if (albums[i]['image']!=""){
      //is directory  
      var albumEl = document.createElement("div");
      albumEl.className = "album_home";
     
      var albumImage = document.createElement("div");
      albumImage.className = "album_image";
      
      
      var link = document.createElement("a");
      link.setAttribute("href","index.php?id=3&album="+album+albums[i]['path']);
      
      var image = document.createElement("img");
      image.setAttribute("src",albums[i]['full_path']+albums[i]['path']+"thumb/"+albums[i]['image']);
      /*image.setAttribute("width","200px");
      image.setAttribute("height","200px");*/
      
      
      link.appendChild(image);
      albumImage.appendChild(link);
      
      var albumText = document.createElement("div");
      albumText.className = "text";
      
      var p = document.createElement("p");
      var link = document.createElement("a");
      link.setAttribute("href","index.php?id=3&album="+album+albums[i]['path']);
      link.className = "title";
      if (albums[i]['title']!="")
        link.innerHTML = albums[i]['title'];
      else
        link.innerHTML = albums[i]['path_no_numbers'].substring(0,albums[i]['path_no_numbers'].length-1);
      p.appendChild(link);
      albumText.appendChild(p);
      
      
      if (albums[i]['description']!=""){
        var p_desc = document.createElement("div");
        p_desc.className = "description";
        p_desc.innerHTML = albums[i]['description'];
        albumText.appendChild(p_desc);
      }
      
      albumEl.appendChild(albumImage);
      albumEl.appendChild(albumText);
      
      allAlbums.appendChild(albumEl);

    }
  }
  document.getElementById("gallery").appendChild(curAlbum);
  document.getElementById("gallery").appendChild(allAlbums);
  Slimbox.scanPage();
}