var Player = {
	
	bar_width: 330,
	jp: null,
	scrobbled: false,
	
	initJplayer: function() {
		this.jp = $("#jplayer");
		this.jp.jPlayer({
			swfPath: "/js",
			supplied: "mp3",
			cssSelectorAncestor: "",
			cssSelector: {
				play: "#player .play",
				pause: "#player .pause",
				stop: "",
				videoPlay: "",
				seekBar: "",
				playBar: "",
				mute: "",
				unmute: "",
				volumeBar: "",
				volumeBarValue: "",
				currentTime: "",
				duration: ""
			}
		});
		this.jp.bind($.jPlayer.event.timeupdate, function(e){
			data = e.jPlayer.status;
			if (!Player.scrobbled && data.currentPercentAbsolute > 50) {
				var $obj = $('.playlist-tracks li.now');
				Player.scrobble($obj.attr('data-artist'), $obj.attr('data-album'), $obj.attr('data-track'));
				Player.scrobbled = true;
			}
			$('#player .progress .loaded').width(data.seekPercent * Player.bar_width / 100);
			$('#player .progress .played').width(data.currentPercentAbsolute * Player.bar_width / 100);
		});
		this.jp.bind($.jPlayer.event.ended, function(e){
			Player.setTrack(Player.nextTrack());
		});
	},
	
	addTrack: function(artist, album, track, length, autoplay) {
		if (typeof autoplay === 'undefined') {
			autoplay = false;
		}
		var initial_count = $('.playlist-tracks li').length;
		$('.playlist-tracks').append('\
		<li id="i'+ Math.round(Math.random() * 999999) +'" data-artist="'+ artist +'" data-album="'+ album +'" data-track="'+ track +'" data-length="'+ length +'">\
			<div class="item">\
				<div class="fade"></div>\
				<span class="title">'+ artist +' &mdash; '+ track +'</span>\
				<span class="duration">'+ length +'</span>\
				<div class="remove">remove</div>\
			</div>\
		</li>\
		');
		
		$('#playlist').html($('.playlist-tracks')).scrollbar();
		$('.playlist-tracks').sortable();
		
		if (autoplay) {
			Player.setTrack($('.playlist-tracks li').last().attr('id').split('i')[1]);
		} else if (initial_count === 0 && !Player.hasTrack()) {
			Player.setTrack($('.playlist-tracks li').first().attr('id').split('i')[1]);
		}
	},
	
	setTrack: function(id) {
		var $obj = $('#i'+ id);
		var query = $obj.attr('data-artist') +'&mdash;'+ $obj.attr('data-track');
		
		$('#player .now-playing').html(query);
		$('.playlist-tracks li').removeClass('now');
		$obj.addClass('now');
		$('#player .loaded, #player .played').width(0);
		
		loadTracksData($obj.attr('data-artist'), $obj.attr('data-track'), $obj.attr('data-length'), Player.playSource);
		Player.updateNowListening($obj.attr('data-artist'), $obj.attr('data-album'), $obj.attr('data-track'));
	},
	
	hasTrack: function() {
		if ($('#jplayer audio').length > 0) {
			return typeof $('#jplayer audio').attr('src') !== 'undefined';
		} else if ($('#jplayer audio').length > 0) {
			$('#jplayer').jPlayer('play');
			return true;
		}
		return false;
	},
	
	playSource: function(url) {
		$('#jplayer').jPlayer('setMedia', {mp3: url}).jPlayer('play');
		Player.scrobbled = false;
	},
	
	nextTrack: function() {
		if (true) {															// Shuffle off
			if ($('.playlist-tracks .now').next().length == 0 && true) {	// Last track in the playlist and repeat is on
				return $('.playlist-tracks li').first().attr('id').split('i')[1];
			} else {
				return $('.playlist-tracks .now').next().attr('id').split('i')[1];
			}
		}
	},
	
	prevTrack: function() {
		if (true) {															// Shuffle off
			if ($('.playlist-tracks .now').prev().length == 0 && true) {	// First track in the playlist
				return $('.playlist-tracks li').last().attr('id').split('i')[1];
			} else {
				return $('.playlist-tracks .now').prev().attr('id').split('i')[1];
			}
		}
	},
	
	updateNowListening: function(artist, album, track) {
		Session.query('/lastfm/listening?r='+ Math.random(), {'artist': artist, 'album': album, 'track': track})
	},
	
	scrobble: function(artist, album, track) {
		Session.query('/lastfm/scrobble?r='+ Math.random(), {'artist': artist, 'album': album, 'track': track})
	}
}

$(function(){
	Player.initJplayer();
});

$('#player .controls .prev').live('click', function(){
	Player.setTrack(Player.prevTrack());
});

$('#player .controls .next').live('click', function(){
	Player.setTrack(Player.nextTrack());
});

$('.add-album').live('click', function() {
	var artist = $('.artist-info .name').html();
	var album = $(this).parent().parent().parent().find('h2.name').text().replace(/\s\([\d]{4}\)$/, '');
	$(this).parent().parent().parent().find('.tracklist li').each(function(i, item){
		var track_name = $(item).find('.trackname').html();
		var length = $(item).find('.length').html();
		Player.addTrack(artist, album, track_name, length);
	});
})
$('.add-track').live('click', function(){
	var artist = $('.artist-info .name').html();
	var album = $(this).parent().parent().parent().parent().find('h2.name').text().replace(/\s\([\d]{4}\)$/, '');
	var track_name = $(this).parent().find('.trackname').html();
	var length = $(this).parent().find('.length').html();
	Player.addTrack(artist, album, track_name, length);
});

$('#player .play').live('click', function(){
	if ($('.playlist-tracks li').length > 0 && !Player.hasTrack()) {
		Player.setTrack($('.playlist-tracks li').first().attr('id').split('i')[1]);
	}
});

$('.tracklist li').live('mouseover mouseout', function(e){
	if (e.type == 'mouseover') {
		$(this).find('.add-track').show();
	} else {
		$(this).find('.add-track').hide();
	}
}).live('dblclick', function(e){
	var artist = $('.artist-info .name').html();
	var album = $(this).parent().parent().parent().find('h2.name').text().replace(/\s\([\d]{4}\)$/, '');
	var track_name = $(this).find('.trackname').html();
	var length = $(this).find('.length').html();
	Player.addTrack(artist, album, track_name, length, true);
});

$('.playlist-tracks li .fade, .playlist-tracks li .duration, .playlist-tracks li .remove').live('mouseover mouseout', function(e){
	if (e.type == 'mouseover') {
		$(this).parent().find('.duration').hide();
		$(this).parent().find('.remove').show();
	} else {
		$(this).parent().find('.remove').hide();
		$(this).parent().find('.duration').show();
	}
});

$('.playlist-tracks li .remove').live('click', function(){
	var $li = $(this).parent().parent();
	if ($li.hasClass('now')) {
		Player.reset();
	}
	$li.remove();
});

$('.playlist-tracks li').live('dblclick', function(){
	Player.setTrack($(this).attr('id').split('i')[1]);
});

$('#player .progress').live('click', function(e){
	$('#jplayer').jPlayer('playHead', Math.round((e.offsetX / Player.bar_width) * 100));
});