class Player
	
	bar_width: 330
	jp: null
	scrobbled: false
	
	initJplayer: ->
		self = this
		
		@jp = $("#jplayer")
		@jp.jPlayer
			swfPath: "/js"
			supplied: "mp3"
			cssSelectorAncestor: ""
			cssSelector:
				play: "#player .play"
				pause: "#player .pause"
				stop: ""
				videoPlay: ""
				seekBar: ""
				playBar: ""
				mute: ""
				unmute: ""
				volumeBar: ""
				volumeBarValue: ""
				currentTime: ""
				duration: ""
		
		@jp.bind $.jPlayer.event.timeupdate, (e) ->
			data = e.jPlayer.status
			if not Player.scrobbled and data.currentPercentAbsolute > 50
				$obj = $('.playlist-tracks li.now')
				self.scrobble $obj.attr('data-artist'), $obj.attr('data-album'), $obj.attr('data-track')
				Player.scrobbled = true
			$('#player .progress .loaded').width(data.seekPercent * self.bar_width / 100)
			$('#player .progress .played').width(data.currentPercentAbsolute * self.bar_width / 100)
		
		@jp.bind $.jPlayer.event.ended, (e) ->
			next = self.nextTrack()
			if not next
				$('#jplayer').jPlayer 'clearMedia'
				$('#player .now-playing').html 'Nothing left to <strike>lose</strike> play'
				$('#player .loaded, #player .played').width 0
				$('.playlist-tracks li').removeClass 'now'
			else
				self.setTrack next
		false
	
	addTrack: (artist, album, track, length, autoplay) ->
		if not autoplay?
			autoplay = false
		initial_count = $('.playlist-tracks li').length
		$('.playlist-tracks').append '
		<li id="i' +Math.round(Math.random() * 999999)+ '" data-artist="' +artist.trim()+ '" data-album="' +album.trim()+ '" data-track="' +track.trim()+ '" data-length="' +length+ '">
			<div class="item">
				<div class="fade"></div>
				<span class="title" title="' +artist.htmlsafe()+ ' &mdash ' +track.htmlsafe()+ '">' +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($('.playlist-tracks li').last().attr('id').split('i')[1])
		else if initial_count == 0 and not Player.hasTrack()
			Player.setTrack($('.playlist-tracks li').first().attr('id').split('i')[1])
	
	setTrack: (id) ->
		$obj = $('#i' +id)
		query = $obj.attr('data-artist')+ ' &mdash ' +$obj.attr('data-track')
		
		$('#player .now-playing').html query+ '<div class="fade"></div>'
		$('.playlist-tracks li').removeClass 'now'
		$obj.addClass 'now'
		$('#player .loaded, #player .played').width 0
		
		vkontakte.loadTracksData $obj.attr('data-artist'), $obj.attr('data-track'), $obj.attr('data-length'), ->
			player.playSource()
		this.updateNowListening $obj.attr('data-artist'), $obj.attr('data-album'), $obj.attr('data-track')
	
	hasTrack: ->
		if $('#jplayer audio').length > 0
			return $('#jplayer audio').attr('src')?
		else if $('#jplayer object').length > 0
			$('#jplayer').jPlayer 'play'
			true
		false
	
	playSource: (url) ->
		$('#jplayer').jPlayer 'setMedia', mp3: url
		$('#jplayer').jPlayer 'play'
		@scrobbled = false
	
	nextTrack: (manual) ->
		manual = manual?
		cnt = $('.playlist-tracks li').length
		if not this.onShuffle()															# Shuffle off
			if $('.playlist-tracks .now').next().length == 0							# Last track and repeat is on
				if Player.onRepeat() or manual											# Repeat or manual click
					return $('.playlist-tracks li').first().attr('id').split('i')[1]
				else
					false
			else
				return $('.playlist-tracks .now').next().attr('id').split('i')[1]
		else if cnt == 1																# Single track in the playlist
			return $('.playlist-tracks li').first().attr('id').split('i')[1]
		else																			# Shuffle on
			while true
				rnd = Math.floor(Math.random() * (cnt + .999))
				$li = $('.playlist-tracks li').eq rnd
				if $li.length > 0 and not $li.hasClass 'now'
					return $li.attr('id').split('i')[1]
		false
	
	prevTrack: ->
		cnt = $('.playlist-tracks li').length
		if not Player.onShuffle()														# Shuffle off
			if $('.playlist-tracks .now').prev().length == 0							# 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]
		else if cnt == 1																# Single track in the playlist
			return $('.playlist-tracks li').first().attr('id').split('i')[1]
		else																			# Shuffle on
			while true
				rnd = Math.floor(Math.random() * (cnt + .999))
				$li = $('.playlist-tracks li').eq rnd
				if $li.length > 0 and not $li.hasClass 'now'
					return $li.attr('id').split('i')[1]
		false
	
	onShuffle: ->
		return $('#shuffle').hasClass 'active'
	
	onRepeat: ->
		return $('#repeat').hasClass 'active'
	
	updateNowListening: (artist, album, track) ->
		if session.user.lastfm_username
			session.query '/lastfm/listening?r=' +Math.random(), artist: artist, album: album, track: track
	
	scrobble: (artist, album, track) ->
		if session.user.lastfm_username
			session.query '/lastfm/scrobble?r=' +Math.random(), artist: artist, album: album, track: track


$ ->
	window.player = new Player()
	window.player.initJplayer()
	false


# Player Controls

$('#player .controls .prev').live 'click', ->
	Player.setTrack Player.prevTrack()
	false

$('#player .controls .next').live 'click', ->
	Player.setTrack Player.nextTrack(true)
	false

$('#player .play').live 'click', ->
	if $('.playlist-tracks li').length > 0 and not Player.hasTrack()
		player.setTrack $('.playlist-tracks li').first().attr('id').split('i')[1]
	false

$('#player .progress').live 'click', (e) ->
	$('#jplayer').jPlayer 'playHead', Math.round((e.offsetX / Player.bar_width) * 100)
	false

# Player Additional Controls

$('#repeat, #shuffle').live 'click', ->
	$(this).toggleClass 'active'
	false

$('#empty-playlist').live 'click', ->
	if confirm('Are you sure?')
		$('.playlist-tracks li').remove()
		$('#jplayer').jPlayer 'clearMedia'
		$('#player .now-playing').text 'Add some music to playlist'
		$('#player .loaded, #player .played').width 0
	false

# Playlist Actions

$('.playlist-tracks li .fade, .playlist-tracks li .duration, .playlist-tracks li .remove').live 'mouseover mouseout', (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()
	false

$('.playlist-tracks li .remove').live 'click', ->
	$li = $(this).parent().parent()
	if $li.hasClass 'now'
		$('#jplayer').jPlayer 'clearMedia'
		$('#player .now-playing').text '...'
		$('#player .loaded, #player .played').width 0
	$li.remove()
	false

$('.playlist-tracks li').live 'dblclick', ->
	player.setTrack $(this).attr('id').split('i')[1]
	false
	
# Adding To Playlist actions

$('.add-album').live 'click', ->
	artist = $('.artist-info .name').html()
	album = $(this).parent().parent().parent().find('h2.name').text().replace /\s\([\d]{4}\)$/, ''
	for item in $(this).parent().parent().parent().find('.tracklist li')
		track_name = $(item).find('.trackname').html()
		length = $(item).find('.length').html()
		Player.addTrack artist, album, track_name, length
	false

$('.add-track').live 'click', ->
	artist = $('.artist-info .name').html()
	album = $(this).parent().parent().parent().parent().find('h2.name').text().replace /\s\([\d]{4}\)$/, ''
	track_name = $(this).parent().find('.trackname').html()
	length = $(this).parent().find('.length').html()
	Player.addTrack artist, album, track_name, length
	false

$('.tracklist li').live 'mouseover mouseout', (e) ->
	if e.type == 'mouseover'
		$(this).find('.add-track').show()
	else
		$(this).find('.add-track').hide()
	false

$('.tracklist li').live 'dblclick', (e) ->
	artist = $('.artist-info .name').html()
	album = $(this).parent().parent().parent().find('h2.name').text().replace /\s\([\d]{4}\)$/, ''
	track_name = $(this).find('.trackname').html()
	length = $(this).find('.length').html()
	Player.addTrack artist, album, track_name, length, true
	false