var interval = 1000;
var autoBuy = true;
var autoBuyTxt = "on";																								

document.addEventListener('keydown', function(event) {
    if(event.keyCode == 65) {
        autoBuy = !autoBuy;
        autoBuyTxt = autoBuy ? "on" : "off";
    }
});

function OptimalItem()
{
	var cpc = Number.MAX_VALUE;
	var CurrentCps = Game.cookiesPs;
	var sel;
	var name;
	var price;
	var cpsItem;
	
    for(i = Game.UpgradesInStore.length-1; i >= 0; i--)
	{
		var cps1 = 0;
		var me = Game.UpgradesInStore[i];
		var x = Game.UpgradesInStore[i].id;
		if (x != 64 && x != 74 && x != 84 && x != 85)
		{
			Game.UpgradesById[x].toggle();
			Game.CalculateGains();
			for(j = Game.ObjectsById.length-1; j >= 0; j--){ cps1 += Game.ObjectsById[j].cps()*Game.ObjectsById[j].amount; }
			var cps2 = cps1 * Game.globalCpsMult;
			Game.UpgradesById[x].toggle();
			Game.CalculateGains();
			var myCps = cps2 - CurrentCps;
			var cpsUpgrade = me.basePrice *(Game.cookiesPs + myCps) / myCps;
			if (cpsUpgrade < cpc && myCps >= 0.1)
			{
				cpc = cpsUpgrade;
				sel = me;
				cpsItem = myCps;
				name = me.name;
				price = Math.round(me.basePrice);
			}
		}
	}
	
	for(i = Game.ObjectsById.length-1; i >= 0; i--){
		var cps1=0;
		var me = Game.ObjectsById[i];
		me.amount++;
		Game.CalculateGains();
		for(j = Game.ObjectsById.length-1; j >= 0; j--){ cps1 += Game.ObjectsById[j].cps()*Game.ObjectsById[j].amount;}
		var cps2 = cps1 * Game.globalCpsMult;
		me.amount--;
		Game.CalculateGains();
		var myCps = cps2 - CurrentCps;
		var cpsBuilding = me.price *(Game.cookiesPs + myCps) / myCps;
		if (cpsBuilding < cpc && myCps >= 0.1)
		{	
			cpc = cpsBuilding;
			sel = me;
			cpsItem = myCps;
			name = me.name;
			price = Math.round(me.price);
		}
	}
	
	var time = (price - Game.cookies) / Game.cookiesPs;
    time = time < 0 ? 0 : Beautify(time);
	
	var numb = (Math.abs(Game.computedMouseCps / Game.cookiesPs));
	numb = numb.toFixed(3);

	Game.Ticker = "Buying " + name + " for " + Beautify(price) + " at " + Beautify(Math.round(price / (cpsItem*Game.globalCpsMult))) + " cookies per CPS!" + "<br>This will take " + time + " seconds without manually clicking." + "<br>Each click would save you " + numb + " seconds." + "<br>Click A to toggle auto-buy. Auto-buy is currently " + autoBuyTxt;
	
	Game.TickerAge = interval;
	
	return sel;
}

var cookieBot = setInterval(function () {
	if(autoBuy){OptimalItem().buy()}
	else{OptimalItem()}}, interval
);