BuildScriptYx

var interval = 250;
var autoBuy = true;
var autoBuyTxt = "on";
var name;
var price;
var cpsItem;
var selected=0;
var currentCps=Game.cookiesPs;
var selectedItem

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

function OptimalItem()
{
    var cpc = Number.MAX_VALUE;

    var sel;

    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 && x != 181 && x != 182 && x != 183 && x != 184)
        {
            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);
        }
    }
    currentCps = Game.cookiesPs;
    selected=1;
    selectedItem=sel;
}

function Display()
{
        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;
}

var cookieBot = setInterval(function () {
    if(autoBuy && Game.cookies >= price && selected==1){selectedItem.buy(); Display; selected=0;}
    else if(selected==0 || currentCps!=Game.cookiesPs){OptimalItem(); Display();}
    else if(selected==1){Display();}}, interval
);