/**
 * Created by Pascal on 16/06/17.
 */


var index = 0;
var maxIndex = 1;
var scrolled = 0;

$(function () {
    initSlider();
});

function initSlider() {
    index = 0;
    maxIndex = $('.image-slider figure .image').length - 1;

    $('.image-slider .image-slider-nav .nav-button').click(function () {
        index = $(this).data('image');
        setImage();
    });


    if (typeof $.swipe === "undefined") rebindTouchSwipe();

    $('figure').swipe({
        swipeLeft: function () {
            nextImage();
        },
        swipeRight: function () {
            index--;
            setImage();
        }
    });

    $('.image-slider .slider-bg, .close-button').click(function () {
        $('.image-slider').hide();
       // $('body').removeClass('preventScroll');
        $(window).scrollTop(scrolled);
    });
}

function nextImage() {
    index++;
    setImage();
}

function setImage() {

    var previousIndex = index - 1;
    var nextIndex = index + 1;

    if (previousIndex <= -1) previousIndex = maxIndex;
    if (nextIndex > maxIndex) nextIndex = 0;

    if (maxIndex < index) index = 0;
    if (index < 0) index = maxIndex;


    $('.image-slider figure .image').removeClass('active');

    $('.image-slider figure .image[data-image="' + index + '"]').addClass('active');
    $('.image-slider .image-slider-nav .previous').data('image', previousIndex);
    $('.image-slider .image-slider-nav .next').data('image', nextIndex);

}

function showSlider(num) {
    index = num;
    setImage();
    $('.image-slider').show();
    scrolled = $(window).scrollTop();

    // setTimeout(function(){
    //     $('body').addClass('preventScroll');
    // }, 400);
}