(function() {

    var swiperInit = function() {

        var swiperElements = document.querySelectorAll('[data-swiper]');

        swiperElements.forEach(function($node) {

            if($node.classList.contains('swiper-container-horizontal') || $node.classList.contains('swiper-container-vertical')) {
                return false;
            }

            var options = JSON.parse($node.getAttribute('data-options'));
            var length = $node.querySelectorAll('.swiper-slide').length;

            if(!options.pagination) {
                options.pagination = {};
            }

            options.pagination.el = $node.parentNode.querySelector('.js-swiper-pagination');
            options.pagination.clickable = true;

            options.navigation = {
                nextEl: $node.parentNode.querySelector('.js-swiper__next'),
                prevEl: $node.parentNode.querySelector('.js-swiper__prev')
            }

            if(!options.slidesPerView) {
                if(length < 2) {
                    if(options.navigation.prevEl || options.navigation.nextEl) {
                        options.navigation.prevEl.style.display = 'none';
                        options.navigation.nextEl.style.display = 'none';
                    }
                }
            } else {
                if(length < parseInt(options.slidesPerView)) {
                    if(options.navigation.prevEl || options.navigation.nextEl) {
                        options.navigation.prevEl.style.display = 'none';
                        options.navigation.nextEl.style.display = 'none';
                    }
                }
            }

            new Swiper($node, options);

        });
    }

    if(document.querySelector('[data-swiper]')) {

        swiperInit();

    }

})();