package audioplayer
{
	import flash.display.*;
	import flash.events.*;
	import flash.media.*;
	import flash.net.*;
    import flash.text.*;

	
	public class SoundApp extends MovieClip
	{
		private var pXMLLoader:XMLLoader;
		private var pUIBar:UIBar;
		
		private var pSongList:Array;
		private var pSongIndex:int;
		private var pSongState:int;
		private var pSongPosition:int;		
		private var pPausePosition:Number;
		
		private var pSound:Sound;
		private var pSoundChannel:SoundChannel;
		private var pSongInfo:SongInfo;
		
		
		public function SoundApp()
		{
			trace("constructing SoundApp");
			pUIBar = new UIBar(this);
			pSongInfo = new SongInfo();
			pXMLLoader = new XMLLoader("xmldata/playlist.xml", this);
			pSongList = new Array();
			pSongIndex = -1;
			pSongState = SoundState.STOP;
			pSongPosition = 0;
			
			
		}
		
		public function addSong(aSong:Song):void
		{
			trace(aSong);
			pSongList.push(aSong);
		}
		
		public function doNextPhase():void
		{
			trace("Doing next phase");
		}
		

		
		public function doComplete(anEvent:Event):void
		{
			pSongIndex = (pSongIndex + 1) % pSongList.length;
			if (pSoundChannel != null)
			   pSoundChannel.stop();
			pSound = new Sound();
			pSound.load(new URLRequest(pSongList[pSongIndex].filename));
			pSoundChannel = pSound.play();
			pSoundChannel.addEventListener(Event.SOUND_COMPLETE, doComplete);
		}
		
				
				
		public function doRewindButton():void
		{
			pSongIndex = (pSongIndex - 1) % pSongList.length;
			if (pSoundChannel != null) 
			   pSoundChannel.stop();
			pSound = new Sound();
			trace(pSongList);
			pSound.load(new URLRequest(pSongList[pSongIndex].filename));
			pSoundChannel = pSound.play();
			pSoundChannel.addEventListener(Event.SOUND_COMPLETE, doComplete);
			pSongState = SoundState.PLAY;
		}
		
				
		public function doNextButton():void
		{
			pSongIndex = (pSongIndex + 1) % pSongList.length;
			if (pSoundChannel != null) 
			   pSoundChannel.stop();
			pSound = new Sound();
			trace(pSongList);
			pSound.load(new URLRequest(pSongList[pSongIndex].filename));
			pSoundChannel = pSound.play();
			pSoundChannel.addEventListener(Event.SOUND_COMPLETE, doComplete);
			pSongState = SoundState.PLAY;
		}

		
				
		public function doPauseButton():void
		{	
				if (pSoundChannel != null)
				{
					pSongPosition = pSoundChannel.position;
					pSoundChannel.stop();
					pSongState = SoundState.PAUSE;
				}
		}
		
		
			public function doStopButton():void
		{
			if (pSoundChannel != null)
			   pSoundChannel.stop();
			pSongState = SoundState.STOP;
			pSongPosition = 0;
		}
		
		public function doPlayButton():void
		{
			if (pSongState == SoundState.PAUSE)
			{
				
				pSound = new Sound();
				pSound.load(new URLRequest(pSongList[pSongIndex].filename));
				pSoundChannel = pSound.play(pSongPosition);
				pSongState = SoundState.PLAY;
			}
			else if (pSongState == SoundState.STOP)
			{
				if (pSongIndex == -1)
					pSongIndex = (pSongIndex + 1) % pSongList.length;
				pSound = new Sound();
				pSound.load(new URLRequest(pSongList[pSongIndex].filename));
				pSoundChannel = pSound.play();
				pSongPosition = 0;
				pSongState = SoundState.PLAY;
			}
				

		}
				
	
		
	}
}