var key ="81eeba970660ebe5d204a9a1f11ac5e2"; 
var video_list = "";
var r_video_list = "";  
var shuffle = 0;
var list_i = 50;

// ----------------------------------------  Player Functions ------------------------------------------------------------------



function add_play_song( song_key, song_title, song_duration ){
    
    

    loadNewVideo(song_key, 0);
    
    add_song( song_key, song_title, song_duration );
         
}


function youtube_play( song ){
    loadNewVideo( song, 0 );    
    
}

function change_skin(btn){
    
    // Reset button skin ...
    document.getElementById('play').src = 'img/play.jpg';       
    document.getElementById('stop').src = 'img/stop.jpg';       
    document.getElementById('pause').src = 'img/pause.jpg';   
    document.getElementById('next').src = 'img/next.jpg';       
    document.getElementById('prev').src = 'img/previous.jpg';       
    
    switch(btn){
    
        case "play" :
              document.getElementById('play').src = 'img/playon.jpg';
        break;
        
        case "stop" :
              document.getElementById('stop').src = 'img/stopon.jpg';
          
        break;
        
        case "pause" : 
              document.getElementById('pause').src = 'img/pauseon.jpg';      
        break;
        
        case "next" :
              document.getElementById('next').src = 'img/nexton.jpg';
     
        break;   
        
        case "prior" :
              document.getElementById('prev').src = 'img/previouson.jpg';       
        break;               
                
    }
}
     

// ---------------------------------------------------------------------------------------------------------------------------------------------

function show_loading(id){
 $('#'+id).html("<br><br><br><center><img src='images/s2.gif'></center>");    
}

function refresh(){
        $.ajax({
        type: 'GET',
        url: 'engine.php?r=91&k='+key,
        data: '',
        success: function(message) {
            $('#plist').html(message); 
            list_config();
        }
    });  
}

function list_config(){
    $("#t-list").sortable({
      handle : '.handle',
      update : function () {
          var order = $('#t-list').sortable('serialize');
          $.get("engine.php?proc=list_order&"+order);
      }
    });
}

function add_song(song){
    show_loading('plist');
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=612',
        data: 'proc=add_song&song='+song+'&k='+key,
        success: function(message) {
            $('#plist').html(message); 
            list_config();
           // refresh();
        }
    });         
}

function add_all(ids, start, end){
    show_loading('plist');
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=782',
        data: 'proc=add_all&keyword='+ids+'&start=' + start + '&end=' + end + '&k='+key,
        success: function(message) {
            $('#plist').html(message); 
            list_config();
           // refresh();
        }
    });         
}

function clear_all( ){

    show_loading('plist');
        
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=254',
        data: 'proc=clear_list&k='+key,
        success: function(message) {
            $('#plist').html(message);
            list_config();
           // create_select();
        }
    });     
}

function add_list(){
   
    list = $('#list_name').val();       
    if( list == "" ){
        alert("Please, enter list name !");
        $('#list_name').focus();
        return false;
    }
    else{
        $.ajax({
            type: 'GET',
            url: 'engine.php?r=726&k='+key,
            data: 'proc=add_list&list='+list,
            success: function(message) {
                $('#uyeol').html(message);             
                refresh(); 
                create_select();                  
            }
        });  
    }     
}

function search_song(keyword, start, end){
    $('#keyword').val( keyword );
    show_loading('list');
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=593',
        data: 'proc=search_song&keyword='+keyword+'&start='+start+'&last='+end+'&k='+key,
        success: function(message) {
            $('#list').html(message);  
            get_similar(keyword);  
            $('#list_bt').show();      
            $('#all_link').attr('onclick', "add_all( '"+keyword+"', "+start+", "+end+" )");
            
        }
    });      
}    

function song_delete(list_id, song_id){

    $('#listItem_'+song_id).hide("slow");
    
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=784',
        data: 'proc=song_delete&list_id='+list_id+'&song_id='+song_id+'&k='+key,
        success: function(message) {
           // $('#plist').html(message);            
        }
    });    
    stop();   
}

function list_delete(id){
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=3',
        data: 'proc=list_delete&list_id='+id+'&k='+key,
        success: function(message) {
            $('#uyeol').html(message);            
            refresh(); 
            create_select();             
        }
    });  
}

function get_list(list_id){

    show_loading('plist');
    
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=574',
        data: 'proc=get_list&list_id='+list_id+'&k='+key,
        success: function(message) {
            $('#plist').html(message);
            list_config();
           // create_select();
        }
    });  
}

function create_select(){
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=440&k='+key,
        data: 'proc=create_list',
        success: function(message) {
            $('#selectbox').html(message);
            $('#list_items').selectbox({   });  
        }
    });      
}

function save_list(list){
    
    if(list == ""){
        var MsgBox = new MessageBox();              
        MsgBox.show(200, 150, 'Alert', "<br><br><center><font class='player_msg2'>enter_list_name<br><br><br></font></center>","Close",407,307);    
        return false;       
    }    
    
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=320',
        data: 'proc=add_list&list='+list+'&k='+key,
        success: function(message) {
            $('#manager_list').html(message);                         
            create_select();
            refresh();      
                         
        }
    });  
}

function show_list_manager(){   
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=85&k='+key,
        data: 'proc=show_manager',
        success: function(message) {
            var MsgBox = new MessageBox();
            MsgBox.show(285, 150, ' : : lists', message, 'Close',407,332);         
        }
    });      
}

function get_similar(key_text){                   
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=765',
        data: 'proc=show_similar&keyword='+key_text+'&k='+key,
        success: function(message) {
            $('#similar').html(message); 
            $('#mycarousel').jcarousel({ }); 
           // refresh();
        }
    });     
}

function set_song_info(title, img, id){
    
    var url = "AMAZON_URI";
    var buy_url = url.replace("%title%", title)
    var shr = "http://www.facebook.com/sharer.php?u=http://www.youtube.com/watch?v="+id+"&t="+"college site "+title;
                     
    
    $('#buy_btn').attr('href', buy_url);
    $('#shr_btn').attr('href', shr);       
    $('#artist_pic').attr('src', img );
    $('#player_text').html(title);
    
   
    
}

function set_lister( songs ){
    song_list = songs;
}

function next_video(){

    var next = 0;

    if( shuffle ){
       next = Math.floor( Math.random() * video_list.length  ); 
       return video_list[next]; 
    }
    
    for ( var i in video_list )
    { 
        if( next ){
            return video_list[i];
        }
        
        if( active_video == video_list[i] ){
          next = 1;  
        }
        else {
          next = 0;  
        }
     
        
    }
    
    return video_list[0];
    
}

function prior_video(){
    
    var next = 0;

    if( shuffle ){
       next = Math.floor( Math.random() * r_video_list.length  ); 
       return r_video_list[next]; 
    }
    
    for ( var i in r_video_list )
    { 
        if( next ){
            return r_video_list[i];
        }
        
        if( active_video == r_video_list[i] ){
          next = 1;  
        }
        else {
          next = 0;  
        }
     
        
    }
    
    return video_list[0]; 
}

function add_for_play(list_id){
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=487&list_id='+list_id,
        data: 'proc=add_for_play',
        success: function(message) {
        $('#plist').html(message);              
        }
    });       
}

function load_for_play(list_id){
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=421&list_id='+list_id,
        data: 'proc=load_for_play',
        success: function(message) {
        $('#plist').html(message);            
        }
    }); 
}

function select_menu(tab){
show_loading("m1");
    $.ajax({
        type: 'GET',
        url: 'engine.php?r=821&tab='+tab,
        data: 'proc=menu',
        success: function(message) {
        $('#m1').html(message);              
        }
    });     
}

function set_list_vars( arr ){
    video_list = arr;
}

function register(){

    var uname = $('#user_name').val(); 
    
    var upass = $('#user_pass').val();
    
    var umail = $('#user_mail').val();      
    
    var verify = $('#re-user_pass').val();       
     
    if( uname == "" || upass == "" || umail == ""   ){
        alert("Please, enter all fields .");
        return false;
    }
    else{ 
    
        $.ajax({
            type: 'POST',
            url: 'engine.php?r=663',
            data: 'proc=register&user_name='+uname+'&user_pass='+upass+'&user_mail='+umail+'&verify='+verify,
            success: function(message) {
                if( message == "1" ){
                    alert("You are successfully registered");
                    window.location.reload();
                }         
                else{
                    alert(message);
                }
            }
        });    
        
    } 
}

function login(){

    var umail = $('#user_mail').val(); 
    
    var upass = $('#user_pass').val();    
    
    if( umail == "" || upass == "" ){
        alert("Please, enter all fields .");
        return false;
    }
    else{   
    
        $.ajax({
            type: 'POST',
            url: 'engine.php?r=338',
            data: 'proc=login&user_mail='+umail+'&user_pass='+upass,
            success: function(message) {
                if( message == "1" ){
                    window.location.reload();
                }         
                else{
                    alert(message);
                }
            }
        });          
    }  
    
}

function set_shuffle(){

   if( shuffle == 0  ) {
   
      shuffle = 1;
      
      $('#shuffle').attr('src', 'images/plc2on.gif' );        
   }
   else{
   
      shuffle = 0;
      
      $('#shuffle').attr('src', 'images/plc2.gif' );   
          
   }
}

function scroll_position(){

   var keyword = $('#keyword').val();     
   var end = 20;
   
   if( keyword ){
          
       var dpos = $('#list').scrollTop();
       var hg = $('#list')[0].scrollHeight;                 
       var dif = hg - dpos;  
          
       var start = list_i;    
                   
       if( dif < 350 && start < 220 ){ 
               
        list_i = list_i + end;
        
        $('#loading').show();            
        
        $.ajax({
            type: 'GET',
            url: 'engine.php?r=259',
            data: 'proc=search_append&keyword='+keyword+'&start='+start+'&last='+end+'&k='+key,
            success: function(message) {
                $('#for_append').append(message);   
                  $('#loading').hide();                     
            }
        });          
            
       }
   
   }
      
}

function share_list(){

    var uname = $('#user_name').val(); 
    
    var umail = $('#user_mail').val();   
    
    var desc = $('#your_msg').val();       
    
    var data = $('#data').val();       
    
    if( umail == "" || uname == "" || desc == "" ){
        alert("Please, enter all fields .");
        return false;
    }
    else{   
        // send shared list 
        $.ajax({
            type: 'POST',
            url: 'engine.php?r=832',
            data: 'proc=share_list&user_name='+uname+'&user_mail='+umail+'&desc='+desc+'&data='+data,
            success: function(message) {
                if( message == "1" ){
                    alert("Your list successfull sent.")
                }         
                else{
                    alert(message);
                }
            }
        });          
        
    }    
}

function rate( datas ){

        $.ajax({
            type: 'POST',
            url: 'engine.php?r=399',
            data: 'proc=rate_list&data='+datas,
            success: function(message) {
            if( message == 1 )
                alert("Thank you for your rating");                   
            }
        });     
}