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 = [ "Amsterdam", "Rotterdam", "Den Haag", "Utrecht", "Groningen", "Leiden", "Deventer", "Emmen", "Venlo", "Eindhoven", "Purmerend", "Goes", "Middelburg", "Noordwijk", "Leeuwarden", "Amstelveen", "Monster", "Swifterbant", "Loon op Zand", "Maastricht"];

texts = [  'Momenteel zijn er 100 bezoekers op deze site.','15 promo prijs pakketten over!', 'Een order werd zojuist geplaatst uit CITY.', '15 promo prijs pakketten over!', 'Een order werd zojuist geplaatst uit CITY.', '15 promo prijs pakketten over!'];


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();
}