var tokens = 25;
var numberOfRotations = 1;
var currentRotation = 0;
var speed = 10;
var wheels, wheels_cur, wheels_tar;
//var choices = ["чанта","раница","мишка","USB памет","лакомство","шоколад","коледна играчка"];
var choices = getChoices();
var win = '';
function getChoices() {
return ['Слушалки Lenovo','Lenovo фен сет','Бонбони Lindt']
}
function MakeEm(){
    var i, slots, a_wheel;
    slots = document.getElementById("slot_machine");
    slots.innerHTML = "";
    a_wheel = "<select name='wheel' size='5' class='slot'></select>";
    slots.innerHTML += a_wheel;
    wheels = document.getElementsByName("wheel");
    wheels_cur = new Array(wheels.length);
    wheels_tar = new Array(wheels.length);
    var x;
    for(x=0;x<wheels.length;x++){
        wheels_cur[x] = 0;
    }
    GraphEm();
}
function SpinEm(){
    var x, y;
    y = 0;
    for(x=0;x<wheels.length;x++){
        y = Math.floor((Math.random() * choices.length) + y + 2 * choices.length);
        wheels_tar[x] = (wheels_cur[x] + y);
    }
    setTimeout("NudgeEm(speed);",0);
//    document.getElementById("slot_arm").disabled = true;
}
function NudgeEm(speed){
    var x;
	var done;
	done = true;
//	alert("" + currentRotation + " : " + numberOfRotations);
    for(x=0;x<wheels.length;x++){
        if(wheels_tar[x] != wheels_cur[x]){
            wheels_cur[x] = (wheels_cur[x] + 1);
            done = false;
			
        }else{
			 if (numberOfRotations > currentRotation){
			 	wheels_cur[x] = 0;
			 	currentRotation++;
				done = false;
			 }
		}
    }
    GraphEm();
	if (numberOfRotations <= currentRotation) {
		for (x = 0; x < wheels.length; x++) {
			if (wheels_tar[x] == wheels_cur[x]) {
				wheels[x].selectedIndex = 2;
			}
		}
	}
    if(done){
        PayEm();
		currentRotation = 1;
    }
    else{
		speed += 3; //може да се ползва 2 или 1 за по малко забавяне
        setTimeout("NudgeEm(" + speed + ");",speed);
    }
}
function GraphEm(){
    var x;
    var y;
    var opt;
    for(x = 0;x < wheels.length;x++){
        CleanEm(wheels[x]);
        for(y = 0;y < 5;y++){
            opt = ((choices.length - 1) + wheels_cur[x] - 1 + y) % choices.length;
            wheels[x].options[y] = new Option(choices[opt],choices[opt]);
        }
    }
}
function CleanEm(elem){
    var i;
    for(i=elem.options.length-1;i>=0;i--){
        elem.options[i] = null;
    }
}
function PayEm(){
    var x;
    for (x = 0; x < wheels.length; x++) {
		win = wheels[x].options[2].value;
	}
	
	FlashEm(40);
	setTimeout('updateOrder()',2000);
	// call the function (agent) for setting the present in the order ID
	// and in that agent update the URL
	
}
function updateOrder() {
	location.href="/campaign/xmas2012.nsf/a-update-order?openagent&oid=" + document.getElementById("orderid").value + "&uid=" + document.getElementById("userid").value + "&p=" + win;
}
function FlashEm(num){
    var msg = document.getElementById("slot_machine");
    if (msg.style.borderColor != "red") {
        msg.style.borderStyle = "dotted";
        msg.style.borderColor = "red";
    }
    else {
        msg.style.borderStyle = "dashed";
        msg.style.borderColor = "yellow";
    }
    if(num == 0){
        msg.style.borderStyle = "solid";
        msg.style.borderColor = "#640000";
    }
    else {
        setTimeout("FlashEm(" + (num - 1) + ");",100);
    }
}
function ChargeEm(){
	var getprice = false;
	$.ajax({
		type: 'GET',
		async: false,
		cache: false,
		url:'/campaign/xmas2012.nsf/validateData?open&id=' + document.getElementById("orderid").value + '&uid=' + document.getElementById("userid").value,
		success: function(data){
			if (data.split('!~')[1] == "True"){
				getprice = true;
			}
		}
	});
	if (getprice) {
	// backend check if the order number is valid or the order is kato za podaruk
		SpinEm();
		document.getElementById("initial-spin").style.display = 'none';
		document.getElementById("spinner").style.display = 'inline';
	}
	else {
		alert('Невалиден клиентски/поръчков номер или вече използван номер на поръчка...')
		//alert('В момента се извършва обновяване на системата, моля опитайте по-късно...')
	}	
}