jQuery(document).ready(function(){
    var playItem = 0;

    // Local copy of jQuery selectors, for performance.
    var jpPlayTime = jQuery("#jplayer_play_time");
    var jpTotalTime = jQuery("#jplayer_total_time");

    jQuery("#jquery_jplayer").jPlayer({
            ready: function() {
                    displayPlayList();
                    playListInit(false); // Parameter is a boolean for autoplay.
            },
            swfPath: "/js"
    })
    .jPlayer("onProgressChange", function(loadPercent, playedPercentRelative, playedPercentAbsolute, playedTime, totalTime) {
        jpPlayTime.text(jQuery.jPlayer.convertTime(playedTime));
        jpTotalTime.text(jQuery.jPlayer.convertTime(totalTime));
    })
    .jPlayer("onSoundComplete", function() {
        playListNext();
    });

    jQuery("#jplayer_previous").click( function() {
        playListPrev();
        jQuery(this).blur();
        return false;
    });

    jQuery("#jplayer_next").click( function() {
        playListNext();
        jQuery(this).blur();
        return false;
    });

    function displayPlayList() {
        // Réorganisation aléatoire de la playlist
        shuffle(myPlayList);

        jQuery("#jplayer_playlist ul").empty();
        for (i=0; i < myPlayList.length; i++) {
            var listItem = (i == myPlayList.length-1) ? "<li class='jplayer_playlist_item_last'>" : "<li>";
            listItem += "<a href='#' id='jplayer_playlist_item_"+i+"' tabindex='1'>"+ myPlayList[i].name +"</a></li>";
            jQuery("#jplayer_playlist ul").append(listItem);
            jQuery("#jplayer_playlist_item_"+i).data( "index", i ).click( function() {
                var index = jQuery(this).data("index");
                if (playItem != index) {
                    playListChange( index );
                } else {
                    jQuery("#jquery_jplayer").jPlayer("play");
                }
                jQuery(this).blur();
                return false;
            });
        }
    }

    function playListInit(autoplay) {
        if(autoplay) {
            playListChange( playItem );
        } else {
            playListConfig( playItem );
        }
    }

    function playListConfig( index ) {
        jQuery("#jplayer_playlist_item_"+playItem).removeClass("jplayer_playlist_current").parent().removeClass("jplayer_playlist_current");
        jQuery("#jplayer_playlist_item_"+index).addClass("jplayer_playlist_current").parent().addClass("jplayer_playlist_current");
        playItem = index;
        jQuery("#jquery_jplayer").jPlayer("setFile", myPlayList[playItem].mp3);
    }

    function playListChange( index ) {
        playListConfig( index );
        jQuery("#jquery_jplayer").jPlayer("play");
    }

    function playListNext() {
        var index = (playItem+1 < myPlayList.length) ? playItem+1 : 0;
        playListChange( index );
    }

    function playListPrev() {
        var index = (playItem-1 >= 0) ? playItem-1 : myPlayList.length-1;
        playListChange( index );
    }

    function shuffle(array) {
        return array.sort(function(){
            return .5 - Math.random();
        });
    }
});