// Setup sound object
var s:Sound = new Sound();
s.onSoundComplete = playSong;
s.setVolume(75);

// Array of songs
var sa:Array = new Array();

// Currently playing song
var cps:Number = -1;

// Position of music
var pos:Number;

// Load the songs XML
var xml:XML = new XML();
xml.ignoreWhite = true;
xml.onLoad = function()
{
	var nodes:Array = this.firstChild.childNodes;
	for(var i=0;i<nodes.length;i++)
	{
		sa.push(new Song(nodes[i].attributes.url, nodes[i].attributes.artist, nodes[i].attributes.track));
	}
	playSong();
}

xml.load("songs.xml");

// Play the MP3 File
function playSong():Void
{
	s = new Sound();
	s.onSoundComplete = playSong;
	s.setVolume(75);
	mute.gotoAndStop("on");
	if(cps == sa.length - 1)
	{
		cps = 0;
		s.loadSound(sa[cps].earl, true);
	}
	else
	{
		s.loadSound(sa[++cps].earl, true);
	}
	trackInfo.text = sa[cps].artist + " - " + sa[cps].track;
	playPause.gotoAndStop("pause");
	textPos = 0;
}

// Pauses the music
function pauseIt():Void
{
	pos = s.position;
	s.stop();
}

// Pauses the music
function unPauseIt():Void
{
	s.start(pos/1000);
}

// Music Controls

// Play/Pause Toggle
playPause.onRollOver = function()
{
	if(this._currentframe == 1) this.gotoAndStop("pauseOver");
	else this.gotoAndStop("playOver");
}

playPause.onRollOut = playPause.onReleaseOutside = function()
{
	if(this._currentframe == 10) this.gotoAndStop("pause");
	else this.gotoAndStop("play");
}

playPause.onRelease = function()
{
	if(this._currentframe == 10)
	{
		this.gotoAndStop("playOver");
		this._parent.pauseIt();
	}
	else
	{
		this.gotoAndStop("pauseOver");
		this._parent.unPauseIt();
	}
}

// Next Button
next.onRollOver = function()
{
	this.gotoAndStop("nextOver");
}

next.onRollOut = next.onReleaseOutside = function()
{
	this.gotoAndStop("next");
}

next.onRelease = function()
{
	this._parent.playSong();
}

// Mute Button
mute.onRollOver = function()
{
	if(this._currentframe == 1) this.gotoAndStop("onOver");
	else this.gotoAndStop("offOver");
}

mute.onRollOut = mute.onReleaseOutside = function()
{
	if(this._currentframe == 10) this.gotoAndStop("on");
	else this.gotoAndStop("off");
}

mute.onRelease = function()
{
	if(this._currentframe == 10)
	{
		this.gotoAndStop("offOver");
		s.setVolume(0);
	}
	else
	{
		this.gotoAndStop("onOver");
		s.setVolume(75);
	}
}


///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Text scroller bonus code

var size:Number = 21;
var textPos:Number = 0;
var intervalID:Number = setInterval(scroller, 1000);

function scroller():Void
{
	var t:String = (sa[cps].artist + " - " + sa[cps].track);
	if(textPos+size < t.length)
	{
		textPos++;
		trackInfo.text = (sa[cps].artist + " - " + sa[cps].track).substring(textPos, textPos+size);
	}
	else 
	{
		clearInterval(intervalID);
		intervalID = setInterval(scroller2, 1000);
	}
}

function scroller2():Void
{
	var t:String = (sa[cps].artist + " - " + sa[cps].track);
	if(textPos > 0)
	{
		textPos--;
		trackInfo.text = (sa[cps].artist + " - " + sa[cps].track).substring(textPos, size);
	}
	else 
	{
		clearInterval(intervalID);
		intervalID = setInterval(scroller, 1000);
	}
}