oldhaven/app/assets/javascripts/player.coffee

class window.Player
	
	bar_width: 263
	jp: null
	scrobbled: false
	albums: []
	playlist: []
	
	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 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 li').removeClass 'now'
			else
				self.setTrack next
		false
	
	addTracks: (tracks, autoplay) ->
		if not autoplay?
			autoplay = false
		initial_count = $('.playlist li').length
		for item in tracks
			$('.playlist').append '
			<li id="i' +Math.round(Math.random() * 999999)+ '" data-id="'+item.id+'">
			  <div class="song-duration">' +item.duration+ '</div>
        <div class="drag"></div>
        <div class="artist-name">' +item.artist+ '</div>
        <div class="song-title">' +item.name+ '</div>
			</li>'
			_player.playlist.push item
		$('.playlist').sortable axis: 'y', handle: '.drag'
		if autoplay?
		  _player.setTrack($('.playlist li').last().attr('id').split('i')[1])
		else if initial_count == 0 and not _player.hasTrack()
		  _player.setTrack($('.playlist li').first().attr('id').split('i')[1])
		false
	
	getDataFromLi: (obj) ->
		id = $(obj).attr 'data-id'
		track_name = $(obj).find('.trackname').html()
		length = $(obj).find('.length').html()
		id: id, name: track_name, length: length
	
	setTrack: (id) ->
		$obj = $('#i' +id)
		track = _player.getTrackInfo $obj.attr('data-id')
		query = track.artist+ ' &mdash; ' +track.name
		
		$('.player .loaded, .player .played').width 0
		$('.player .now-playing').html query
		$('.playlist li').removeClass 'now'
		$obj.addClass 'now'
		console.log(track)
		_vkontakte.loadTracksData track.artist, track.name, track.duration, (url) ->
			_player.playSource url
		this.updateNowListening track.artist, track.album, track.name
		false
	
	getTrackInfo: (id) ->
	  for track in _player.playlist
	    if track.id == parseInt(id, 10)
	      return track
	  false
	
	hasTrack: ->
		if $('#jplayer audio').length > 0
			return $('#jplayer audio').attr('src')? and $('#jplayer audio').attr('src') != ''
		else if $('#jplayer object').length > 0
			$('#jplayer').jPlayer 'play'
			true
		false
	
	playSource: (url) ->
		@scrobbled = false
		$('#jplayer').jPlayer 'setMedia', mp3: url
		$('#jplayer').jPlayer 'play'
		false
	
	nextTrack: (manual) ->
		manual = manual?
		cnt = $('.playlist li').length
		if not this.onShuffle()															# Shuffle off
			if $('.playlist .now').next().length == 0							# Last track and repeat is on
				if _player.onRepeat() or manual											# Repeat or manual click
					return $('.playlist li').first().attr('id').split('i')[1]
				else
					false
			else
				return $('.playlist .now').next().attr('id').split('i')[1]
		else if cnt == 1																# Single track in the playlist
			return $('.playlist li').first().attr('id').split('i')[1]
		else																			# Shuffle on
			while true
				rnd = Math.floor(Math.random() * (cnt + .999))
				$li = $('.playlist li').eq rnd
				if $li.length > 0 and not $li.hasClass 'now'
					return $li.attr('id').split('i')[1]
		false
	
	prevTrack: ->
		cnt = $('.playlist li').length
		if not _player.onShuffle()														# Shuffle off
			if $('.playlist .now').prev().length == 0							# First track in the playlist
				return $('.playlist li').last().attr('id').split('i')[1]
			else
				return $('.playlist .now').prev().attr('id').split('i')[1]
		else if cnt == 1																# Single track in the playlist
			return $('.playlist li').first().attr('id').split('i')[1]
		else																			# Shuffle on
			while true
				rnd = Math.floor(Math.random() * (cnt + .999))
				$li = $('.playlist 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.getUser().lastfm_username
			_session.query '/lastfm/listening?r=' +Math.random(), artist: artist, album: album, track: track
		false
	
	scrobble: (artist, album, track) ->
		if _session.getUser().lastfm_username
			_session.query '/lastfm/scrobble?r=' +Math.random(), artist: artist, album: album, track: track
		false


# Player Controls

$('.player .prev').live 'click', ->
	_player.setTrack _player.prevTrack()
	false

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

$('.player .play').live 'click', ->
	if $('.playlist li').length > 0 and not _player.hasTrack()
		_player.setTrack $('.playlist 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 li').remove()
		$('#jplayer').jPlayer 'clearMedia'
		$('.player .now-playing').text 'Add some music to playlist'
		$('.player .loaded, .player .played').width 0
	false

# Playlist Actions

$('.playlist li .fade, .playlist li .duration, .playlist li .remove').live 'mousemove mouseover mouseout', (e) ->
	if e.type in ['mouseover', 'mousemove'] and ($(window).width() - e.clientX) < 60
		$(this).parent().find('.duration').hide()
		$(this).parent().find('.remove').show()
	else
		$(this).parent().find('.remove').hide()
		$(this).parent().find('.duration').show()
	false

$('.playlist 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 li .title .playtrack').live 'click', ->
	_player.setTrack $(this).parent().parent().parent().attr('id').split('i')[1]
	false
	
# Adding To Playlist actions

$('.add-album').live 'click', ->
	artist = $('.artist-info h2').text()
	album = _player.albums[$(this).attr('data-album-id')]
	for item in album.tracks.album
		item['artist'] = artist
		item['album'] = album.name
	_player.addTracks album.tracks.album
	false

$('.add-track').live 'click', ->
	track = _player.getDataFromLi $(this).parent()
	track['artist'] = $('.artist-info .name').html()
	track['album'] = $(this).parent().parent().parent().parent().find('h2.name').text().replace /\s\([\d]{4}\)$/, ''
	_player.addTracks [track]
	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 'click', (e) ->
	track = _player.getDataFromLi this
	track['artist'] = $('.artist-info .name').html()
	track['album'] = $(this).parent().parent().parent().find('h2.name').text().replace /\s\([\d]{4}\)$/, ''
	_player.addTracks [track], true
	false