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 = [ "Penang Island ", "George Town", "Kuala Terengganu", "Petaling Jaya", "Miri", "Kuala Lumpur", "Malacca City", "Shah Alam", "Kota Kinabalu", "Johor Bahru", "Alor Setar", "Kuching", "Ipoh", "Kuala Terengganu", "George Town", "Shah Alam", "Miri", "Kuala Lumpur", "Kuching", "Ipoh"];

texts = [  'Pengguna yang sedang melihat : 100.','Tinggal 15 pakej diskaun', 'Satu tempahan dari CITY.', 'Tinggal 15 pakej diskaun', 'Satu tempahan dari CITY.', 'Tinggal 15 pakej diskaun'];


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();
}