import mx.utils.Delegate;
import com.services.BuckyServices;
import com.events.EventBroadcaster;
import mx.transitions.easing.Regular; 
import mx.transitions.Tween;

class com.oop.SelectionSwitcher extends MovieClip 
{
	private static var slideAround:Boolean		=	true;			// turn off while debugging only
		
	private var selectionsMC:MovieClip;			// all scrolling selection systems
	private var initX:Number;					// where they start
	private var initY:Number;

	private var bb:MovieClip;					// back button
	
	private var bbX:Number;						// starting positions of nav buttons;
	private var thX:Number;
	private var kwX:Number;
	
	private var initAlpha:Number		=	70;

	private var openKeywordsBtn:MovieClip;		// open keywords button
	private var openThreadBtn:MovieClip;		// open threads button
	
	private var currentView:String;				//	might as well be a string
	private var agreedAlpha:Number	=	75;
	private var slideAmountX:Number	=	210;
	private var slideAmountY:Number	=	210;
	private var slideSpeed:Number	=	.4
	private var	activeThread:String;			// to open a new browser window instead of
												// switching to keyword/thread/file view.

	public function SelectionSwitcher() {
		establishStartingPoints();
		EventBroadcaster.getInstance().addEventListener("switchToKeywordsView", this);
		EventBroadcaster.getInstance().addEventListener("switchToThreadsView", this);
		EventBroadcaster.getInstance().addEventListener("switchToFilesView", this);

		EventBroadcaster.getInstance().addEventListener("switchToFeedThreadsView", this);


		bb.onRelease				=	Delegate.create (this, handleBackButton);
		openKeywordsBtn.onRelease	=	Delegate.create (this, handleOpenKeywordsBtn);
		openThreadBtn.onRelease		=	Delegate.create (this, handleOpenThreadBtn);
	}
	
	private function handleBackButton():Void {
		switch (currentView) {
			case "threads"	:	switchToKeywordsView();		break;
			case "files"	:	switchToThreadsView();		break;
			case "feeds"	:	switchToFeedsView();		break;
			default			: 								break;
		}
	}
	
	private function establishStartingPoints():Void {
		initX		=	selectionsMC._x;
		initY		=	selectionsMC._y;
		bbX=	bb._x;
		thX=	openThreadBtn._x;
		kwX=	openKeywordsBtn._x;
		currentView	=	"keywords";
		hideBackButton();
		hideOpenThreadBtn();
		hideOpenKeywordsBtn();
		
		bb._alpha = openKeywordsBtn._alpha = openThreadBtn._alpha	=	initAlpha;
	}
	
	private function swapPlaces(_inA:MovieClip, _inB:MovieClip):Void {
		
		var oldX:Number	=	_inA._x;
		var oldY:Number	=	_inA._y;
		
		_inA._x	=	_inB._x;
		_inA._y	=	_inB._y;
		
		_inB._x	=		oldX;
		_inB._y	=		oldY;
	}

	private function handleOpenKeywordsBtn():Void {
		switchToKeywordsView();
	}

	public function handleOpenThreadBtn():Void {
		getURL ( BuckyServices.activeThreadPath  , "_blank");
	}

	public function switchToKeywordsView(_evt:Object):Void {
 		removeAnyThumbnails();
		hideBackButton();
		hideOpenKeywordsBtn();
		hideOpenThreadBtn();
		_root.thumbnail.removeMovieClip();
		
	//	swapPlaces ( BuckyServices.threadsMC , BuckyServices.feedThreadsMC );

		if (slideAround) {
			var sTween = new Tween(selectionsMC, "_x", Regular.easeOut, selectionsMC._x, initX, slideSpeed, true);
		}
		currentView	=	"keywords";
	}


	public function switchToFeedsView(_evt:Object):Void {
 		removeAnyThumbnails();
		hideBackButton();
		hideOpenKeywordsBtn();
		hideOpenThreadBtn();
		_root.thumbnail.removeMovieClip();
		
//		swapPlaces ( BuckyServices.threadsMC , BuckyServices.feedThreadsMC );
		
		if (slideAround) {
			var xTween = new Tween(selectionsMC, "_x", Regular.easeOut, selectionsMC._x, initX, slideSpeed, true);
  			var yTween = new Tween(selectionsMC, "_y", Regular.easeOut, selectionsMC._y, initY, slideSpeed, true);
		}
		currentView	=	"feeds";
	}



	
	public function switchToThreadsView(_evt:Object):Void {
		removeAnyThumbnails();				
		hideOpenKeywordsBtn();
		hideOpenThreadBtn();
		_root.thumbnail.removeMovieClip();
		
		if (slideAround) {
			var sTween = new Tween(selectionsMC, "_x", Regular.easeOut, selectionsMC._x, -slideAmountX, slideSpeed, true);
				sTween.onMotionFinished = Delegate.create (this, showBackButton);
		}
		currentView	=	"threads";
	}



	public function switchToFeedThreadsView(_evt:Object):Void {
		removeAnyThumbnails();				
		hideOpenKeywordsBtn();
		hideOpenThreadBtn();
		_root.thumbnail.removeMovieClip();
		
		if (slideAround) {
			var sTween = new Tween(selectionsMC, "_y", Regular.easeOut, selectionsMC._y, -slideAmountY, slideSpeed, true);
			var sTween = new Tween(selectionsMC, "_x", Regular.easeOut, selectionsMC._x, -slideAmountX, slideSpeed, true);
				sTween.onMotionFinished = Delegate.create (this, showBackButton);
		}
		currentView	=	"feeds";
	}







	public function switchToFilesView(_evt:Object):Void {
//		removeAnyThumbnails();
		showOpenKeywordsBtn();
		showOpenThreadBtn();
		
		if (slideAround) {
			var sTween = new Tween(selectionsMC, "_x", Regular.easeOut, selectionsMC._x, -slideAmountX*2, slideSpeed, true);
				sTween.onMotionFinished = Delegate.create (this, showBackButton);
		}		
 		currentView	=	"files";
	}


	




	public function removeAnyThumbnails():Void {
		_root.imagesHolder.thumbnail.unloadMovie();
	}


	private function showBackButton():Void		{		bb._x 				=	bbX;			}
	private function showOpenKeywordsBtn():Void {		openKeywordsBtn._x	=	kwX;			}
	private function showOpenThreadBtn():Void	{		openThreadBtn._x	=	thX;			}

	private function hideBackButton():Void		{		bb._x				=	-5000;			}
	private function hideOpenKeywordsBtn():Void {		openKeywordsBtn._x	=	-5000;			}
	private function hideOpenThreadBtn():Void	{		openThreadBtn._x	=	-5000;			}

	

}