var adminMode:Boolean = true;
var flipMode:Boolean = false;
var vagnNummer:Number = 1;
var vagn1y:Number = -60;
var vagn2y:Number = -125;
var vagn3y:Number = -45;

/**Program code:*/
//stanna tidshuvudet på denna keyframe:
stop();
//Ladda in alla vagnar (om de inte redan existerar), men gör dem osynliga
//Lägg också in nästa- och tidigare-vagn-pilar:

if(!vagn1) this.attachMovie("oresund_left", "vagn1", 1, {_x:121, _y:vagn1y});	
vagn1._visible = false;

if(!vagn2) this.attachMovie("oresund_middle", "vagn2", 3, {_x:121, _y:vagn2y});	
vagn2._visible = false;

if(!vagn3) this.attachMovie("oresund_right", "vagn3", 6, {_x:121, _y:vagn3y});	
vagn3._visible = false;

//Lägg till navigeringspilar till alla tågvagnar:
attachNavigationArrows();


//Function (method) declarations:
//*******************************

/**Loads a user interface screen. Which is defined by parameter screenName:String*/
function loadScreen(screenName:String):Void {	
	if(screenName.toLowerCase() =="first") {
		gotoAndStop(1);
	}
	
	if(screenName.toLowerCase() == "admin") {
		gotoAndStop(2);
	}
	
	if(screenName.toLowerCase() == "starttest") {
		vagn1._y = vagn1y;
		vagn2._y = vagn2y;		
		vagn3._y = vagn3y;		

		gotoAndStop(3);
	}
	
	if(screenName.toLowerCase() == "payment") {
		//Dölj flipknapp och vagnar:
		flipButton._visible = false;
		loadcar(-1);
		gotoAndStop(4);	
	}	
}
/**Listener for activateSeats button:*/
activateSeatsButtonListener = new Object();
activateSeatsButtonListener.click = function (evt) {
	loadScreen("admin");
}
activateSeatsButton.addEventListener("click", activateSeatsButtonListener);

/**Listener for startTestButton:*/
startTestButtonListener = new Object();
startTestButtonListener.click = function (evt) {
	_root.adminMode = false;
	loadScreen("starttest");
}
startTestButton.addEventListener("click", startTestButtonListener);

/**Method for attaching arrows for navigation from car to car*/
function attachNavigationArrows():Void {
	//VAGN1:
	vagn1.attachMovie("Arrow_next1", "nextArrow", 500);
	vagn1.nextArrow._y = -(vagn1._height/2);

	//VAGN2:
	vagn2.attachMovie("Arrow_next2", "nextArrow", 500);
	vagn2.nextArrow._y = -(vagn2._height/2-30);
	vagn2.attachMovie("Arrow_prev2", "prevArrow", 501);
	vagn2.prevArrow._y = (vagn2._height/2);
	
	//VAGN3:
	vagn3.attachMovie("Arrow_prev3", "prevArrow", 500);
	vagn3.prevArrow._y = (vagn3._height/2)+30;
}
	

function initAdminInterface():Void {
	this.attachMovie("Button", "vagn1Button", 11, {_x:10, _y:5});
	vagn1Button.label = "Vagn 1";
	vagn1Button._xscale = 70;
	
	this.attachMovie("Button", "vagn2Button", 12, {_x:80, _y:5});
	vagn2Button.label = "Vagn 2";
	vagn2Button._xscale = 70;
	
	this.attachMovie("Button", "vagn3Button", 13, {_x:150, _y:5});
	vagn3Button.label = "Vagn 3";
	vagn3Button._xscale = 70;
	
	this.attachMovie("Button", "backButton", 14, {_x:0, _y:300 })
	backButton.label = "<--";
	backButton._xscale = 50;
	
	
	/**Listener for vagn1 button:*/	
	var vagn1ButtonListener = new Object();
	vagn1ButtonListener.click = function (evt) {		
		vagnNummer = 1;
		loadCar(vagnNummer);
	}
	vagn1Button.addEventListener("click", vagn1ButtonListener);
	
	/**Listener for vagn2 button:*/
	var vagn2ButtonListener = new Object();
	vagn2ButtonListener.click = function (evt) {
		vagnNummer = 2;
		loadCar(vagnNummer);
	}
	vagn2Button.addEventListener("click", vagn2ButtonListener);
	
	/**Listener for vagn3 button:*/
	var vagn3ButtonListener = new Object();
	vagn3ButtonListener.click = function (evt) {
		vagnNummer = 3;
		loadCar(vagnNummer);
	}
	vagn3Button.addEventListener("click", vagn3ButtonListener);
	
	/**Listener for back-button:*/
	var backButtonListener = new Object();
	backButtonListener.click = function (evt) {
		removeAdminInterface();
		loadScreen("first");
	}
	backButton.addEventListener("click", backButtonListener);
}

function removeAdminInterface() {
	//ta bort detta gränssnitt:
	vagn1Button.removeMovieClip();
	vagn2Button.removeMovieClip();
	vagn3Button.removeMovieClip();
	backButton.removeMovieClip();
	//göm alla vagnar:

	vagn1._visible = false;
	vagn2._visible = false;
	vagn3._visible = false;
}

/**Loads car 1, 2 or 3 onto the screen.
if a negative parameter is passed, all cars are made invisible.*/
function loadCar(c:Number):Void {
	if(c == 1) {		
		vagn2._visible = false;
		vagn3._visible = false;
		vagn1._visible = true;
		setDraggable(vagn1);
	}
	if(c == 2) {		
		vagn1._visible = false;
		vagn3._visible = false;
		vagn2._visible = true;
		setDraggable(vagn2);
	}
	if(c == 3) {		
		vagn1._visible = false;
		vagn2._visible = false;
		vagn3._visible = true;
		setDraggable(vagn3);
	}
	if(c < 0) {		
		vagn1._visible = false;
		vagn2._visible = false;
		vagn3._visible = false;
	}	
}

/*Varje vagn-movieclip har en genomskinlig bakgrund.
Denna funktion (metod) gör att vagnen blir "draggable" när man håller nere
musknappen/tryckpennan på bakgrunden.*/
function setDraggable(car:Object):Void {
	car.bg.onPress = function() {
		//carName.startDrag(false, 121, -(carName._height - 520), 121, 160);
		switch (car) {
			case vagn1 :				
				car.startDrag(false, 121, -(car._height-690), 121, 400);
				break;
			case vagn2 :
				//SNED: car.startDrag(false, 121, -(car._height - 860), 121, 520);
				car.startDrag(false, 121, -(car._height - 800), 121, 480);
				break;			
			case vagn3 :
				//Vagn 3 beter sig lite snett i flipMode 180...
				if(!flipmode)car.startDrag(false, 121, -(car._height - 676), 121, 370);
				else         car.startDrag(false, 121, -(car._height - 730), 121, 400);
				break;				
		}
		
	}
	car.bg.onRelease = function() {
		car.stopDrag();
	}	
}

function flipEverything():Void {
	if(!flipMode) {
		vagn1._rotation = 180;
		vagn2._rotation = 180;
		vagn3._rotation = 180;
		flipMode = true;
		flipButton.attachMovie("flipped", "flipNotation", 400, {_x:0,_y:0});
	}
	else {
		vagn1._rotation = 0;		
		vagn2._rotation = 0;
		vagn3._rotation = 0;
		flipMode = false;
		flipButton.flipNotation.removeMovieClip();
	}
}