function genRandNum(min, max){
    var count = Math.floor((Math.random() * (max-min)) + min);
    return count;
};
var isAnimationRunning = false;

function animate(opts) {
    var start = new Date;
    var id = setInterval(function() {
        var timePassed = new Date - start;
        var progress = timePassed / opts.duration;
        if (progress > 1) progress = 1;
        var delta = opts.delta(progress);
        opts.step(delta);
        if (progress == 1) {
            clearInterval(id);
            isAnimationRunning = false;  // Reset the global variable
        }
    }, opts.delay || 10);

}
function move(element, delta, duration) {
    var to = 50;

    animate({
        delay: 10,
        duration: duration || 1000, // 1 sec by default
        delta: delta,
        step: function(delta) {
            element.style.right = to*delta + "px";
        }
    });
}
function bounce(progress) {
    return -Math.cos(2.5 * Math.PI * progress) * Math.pow(0.33, progress * 2.5) * 3;
}

String.prototype.allReplace = function(obj) {
    var retStr = this
    for (var x in obj) {
        retStr = retStr.replace(new RegExp(x, 'g'), obj[x])
    }
    return retStr
}

Array.prototype.contains = function ( needle ) {
    for (i in this) {
        if (this[i] == needle) return true;
    }
    return false;
}

var cities = [ "Vilnius", "Kaunas", "Klaipėda", "Šiauliai", "Panevėžys", "Alytus", "Marijampolė", "Mažeikiai", "Jonava", "Utena", "Kėdainiai", "Telšiai", "Visaginas", "Tauragė", "Ukmergė", "Plungė", "Kretinga", "Šilutė", "Radviliškis", "Palanga"];

texts = [  'Šiuo metu 100 vartotojų lankosi pulapyje.','Liko tik 15 produktų akcijine kaina!', 'Pakutinis užsakymas atliktas iš CITY.', 'Liko tik 15 produktų akcijine kaina!', 'Pakutinis užsakymas atliktas iš CITY.', 'Liko tik 15 produktų akcijine kaina!'];


function createDiv()
{
    var iDiv = document.createElement('div');
    iDiv.id = 'popUp';
    document.getElementsByTagName('body')[0].appendChild(iDiv);
    popUp = document.getElementById('popUp');
}



// products = genRandNum(9, 10);
products = 12;
k =0;

function showPopUp(){


    if(k == texts.length) {
        setTimeout(function(){
            popUp.style.display = 'none';
        }, 5000);
        return;
    }

    //if (k>2) products-- ;
    if(k==0)
    {
        time = 4500; // time delay for first view
        time2 = 1;
    }
    else
    {
        time =  genRandNum(4500, 5500);
        time2 = genRandNum(2500, 4500);
    }
    setTimeout(function() {
        popUp.style.display = 'none';
        setTimeout(function() {

            popUp.style.display = 'block';
            var currentText = texts[k];
            var people = genRandNum(181, 248);
            if(k%2!=0)products = products - 1;
            //Replace the appropraite texts
            popUp.innerHTML = texts[k].allReplace({ '100': people, '15': products, 'CITY' : cities[Math.floor(Math.random()*cities.length)] });

            //Bounce the popUp
            move(popUp, bounce, 600);


            k++;
            //recursion
            showPopUp();

        },time2);

    }, time);
}

window.onload = function(){
    createDiv();
    showPopUp();
}