$(function() {
    
        var Playlist = function(instance, playlist, options) {
        var self = this;

        this.instance = instance; // String: To associate specific HTML with this playlist
        this.playlist = playlist; // Array of Objects: The playlist
        this.options = options; // Object: The jPlayer constructor options for this playlist

        this.current = 0;

        this.cssId = {
            jPlayer: "jquery_jplayer_",
            interface: "jp_interface_",
            playlist: "jp_playlist_"
        };
        this.cssSelector = {};

        $.each(this.cssId, function(entity, id) {
            self.cssSelector[entity] = "#" + id + self.instance;
        });

        if(!this.options.cssSelectorAncestor) {
            this.options.cssSelectorAncestor = this.cssSelector.interface;
        }

        $(this.cssSelector.jPlayer).jPlayer(this.options);

        $(this.cssSelector.interface + " .jp-previous").click(function() {
            self.playlistPrev();
            $(this).blur();
            return false;
        });

        $(this.cssSelector.interface + " .jp-next").click(function() {
            self.playlistNext();
            $(this).blur();
            return false;
        });
    };

    Playlist.prototype = {
        displayPlaylist: function() {
            var self = this;
            $(this.cssSelector.playlist + " ul").empty();
            for (i=0; i < this.playlist.length; i++) {
                var listItem = (i === this.playlist.length-1) ? "<li class='jp-playlist-last'>" : "<li>";
                listItem += "<a href='#' id='" + this.cssId.playlist + this.instance + "_item_" + i +"' tabindex='1'>"+ this.playlist[i].name +"</a>";

                // Create links to free media
                if(this.playlist[i].free) {
                    var first = true;
                    listItem += "<div class='jp-free-media'>(";
                    $.each(this.playlist[i], function(property,value) {
                        if($.jPlayer.prototype.format[property]) { // Check property is a media format.
                            if(first) {
                                first = false;
                            } else {
                                listItem += " | ";
                            }
                            listItem += "<a id='" + self.cssId.playlist + self.instance + "_item_" + i + "_" + property + "' href='" + value + "' tabindex='1'>" + property + "</a>";
                        }
                    });
                    listItem += ")</span>";
                }

                listItem += "</li>";

                // Associate playlist items with their media
                $(this.cssSelector.playlist + " ul").append(listItem);
                $(this.cssSelector.playlist + "_item_" + i).data("index", i).click(function() {
                    var index = $(this).data("index");
                    if(self.current !== index) {
                        self.playlistChange(index);
                    } else {
                        $(self.cssSelector.jPlayer).jPlayer("play");
                    }
                    $(this).blur();
                    return false;
                });

                // Disable free media links to force access via right click
                if(this.playlist[i].free) {
                    $.each(this.playlist[i], function(property,value) {
                        if($.jPlayer.prototype.format[property]) { // Check property is a media format.
                            $(self.cssSelector.playlist + "_item_" + i + "_" + property).data("index", i).click(function() {
                                var index = $(this).data("index");
                                $(self.cssSelector.playlist + "_item_" + index).click();
                                $(this).blur();
                                return false;
                            });
                        }
                    });
                }
            }
        },
        playlistInit: function(autoplay) {
            if(autoplay) {
                this.playlistChange(this.current);
            } else {
                this.playlistConfig(this.current);
            }
        },
        playlistConfig: function(index) {
            $(this.cssSelector.playlist + "_item_" + this.current).removeClass("jp-playlist-current").parent().removeClass("jp-playlist-current");
            $(this.cssSelector.playlist + "_item_" + index).addClass("jp-playlist-current").parent().addClass("jp-playlist-current");
            this.current = index;
            $(this.cssSelector.jPlayer).jPlayer("setMedia", this.playlist[this.current]);
        },
        playlistChange: function(index) {
            this.playlistConfig(index);
            $(this.cssSelector.jPlayer).jPlayer("play");
        },
        playlistNext: function() {
            var index = (this.current + 1 < this.playlist.length) ? this.current + 1 : 0;
            this.playlistChange(index);
        },
        playlistPrev: function() {
            var index = (this.current - 1 >= 0) ? this.current - 1 : this.playlist.length - 1;
            this.playlistChange(index);
        }
    };
    
    $(".block-custom-audiobiography-slider").slider({
        min: 1,
        max: 9,
        change: function(e, ui) {
            $(".block-custom-audiobiography-list li:eq(" + (ui.value-1) + ") a").trigger('click');
            
        }
    });
    
    // $("#block-custom-audiobiography-player").jPlayer( {
      // swfPath: "/assets/js/libs"
    // });

    var audioPlaylist = new Playlist("1", [
        {
            name: "1991",
            mp3: base_url + 'assets/mp3/1991.mp3'
        },
        {
            name: "1992",
            mp3: base_url + 'assets/mp3/1992.mp3'
        },
        {
            name: "1994",
            mp3: base_url + 'assets/mp3/1994.mp3'
        },
        {
            name: "1997",
            mp3: base_url + 'assets/mp3/1997.mp3'
        },
        {
            name: "2001",
            mp3: base_url + 'assets/mp3/2001.mp3'
        },
        {
            name: "2003",
            mp3: base_url + 'assets/mp3/2003.mp3'
        },
        {
            name: "2006",
            mp3: base_url + 'assets/mp3/2006.mp3'
        },
        {
            name: "2010",
            mp3: base_url + 'assets/mp3/2010.mp3'
        }

    ], {
        ready: function() {
            audioPlaylist.displayPlaylist();
            audioPlaylist.playlistInit(false); // Parameter is a boolean for autoplay.
        },
        ended: function() {
            audioPlaylist.playlistNext();
        },
        play: function() {
            $(this).jPlayer("pauseOthers");
            var total_songs = $(".block-custom-audiobiography-list li").length;
            var current_songindex = $(".block-custom-audiobiography-list li.jp-playlist-current").index();
            $(".block-custom-audiobiography-slider .ui-slider-handle").css('left', current_songindex/total_songs * 100 + '%');
        },
        timeupdate: function() {
            if (! $(".block-custom-audiobiography-slider .ui-slider-handle").hasClass("ui-state-active"))
            {
                var current_position = $("#jquery_jplayer_1").data("jPlayer").status.currentPercentAbsolute / 100;
                var total_songs = $(".block-custom-audiobiography-list li").length;
                var interval_percentage = 100 / total_songs;
                var current_songindex = $(".block-custom-audiobiography-list li.jp-playlist-current").index();
                var current_songpercentage = current_songindex/total_songs * 100;
                var newposition = current_songpercentage + current_position * interval_percentage;
                $(".block-custom-audiobiography-slider .ui-slider-handle").css('left', newposition + '%');
            }
        },
        swfPath: "/assets/js/libs",
        supplied: "mp3"
    });
    
});