define(function(require, exports, module){
    // Module config
    var config = {};

    var App = require('app');
    require('jquery.hoverintent');
    require('jquery.mousewheel');
    require('lightgallery');
    require('swiper');
    require('jquery.tabs');
    require('cookienote');
    require('jquery.validate');

    module.exports = {
        init: function(configArg){
            // Compile module config from RequireJS module.config() and init() argument
            $.extend(config, module.config(), configArg);

            console.log('app-commons.init(); config = ', config);

            menuHoverIntent();
            stickyNav();
            initMobileMenu();
            initSwiperSlider();
            initLightbox();
            initTabs();
            accordionMenu();
            initCookieNote();
            validation();

            if ($('#imp-carousel').length) {
                initCarousel();
            }
        },

        // Keep config reference outside the module
        config: config
    };

    function menuHoverIntent() {

        $('.main-nav__list__submenu').parent().hoverIntent({
            sensitivity: 3,
            interval: 70,
            timeout: 700,
            over: function() {
                $(this).addClass('_--is-hover');
            },
            out: function() {
                $(this).removeClass('_--is-hover');
            }
        });

        $('.main-nav__list__submenu li').hoverIntent({
            sensitivity: 3,
            interval: 70,
            timeout: 100,
            over: function() {
                $(this).addClass('_--current-submenu-item');
            },
            out: function() {
                $(this).removeClass('_--current-submenu-item');
            }
        });

    }

    function stickyNav() {
        $(window).scroll(function () {
            if ($(this).scrollTop() > 1) {
                $('.site-header').addClass('site-header--sticky');
            } else {
                $('.site-header').removeClass('site-header--sticky');
            }
        });

    }

    function initMobileMenu () {
        $('.mobile-nav-btn').on('click', function (){
            $(this).toggleClass('_--is-expanded');
            $('.main-nav').toggleClass('_--is-expanded');
        });
    }


    function initSwiperSlider() {

        var swiper = new Swiper('.slider', {
            pagination: '.slider-pagination',
            paginationClickable: true,
            nextButton: '.slider-btn--next',
            prevButton: '.slider-btn--prev',
            spaceBetween: 30,
            autoplay: 3000,
            effect: 'fade',
            fade : {
                crossFade: true
            }
        });

    }

    function initLightbox() {

        $('.lightbox').lightGallery({
            thumbnail: true,
            selector: '.thumb'
        });

    }

    function initTabs() {

        $ul = $('.tabs-nav');
        $ul.lizardTabs({
            open: $ul.data('active-tab') ? $ul.data('active-tab') : 0
        });
    }

    function accordionMenu() {
        $('.accordion-menu__item__title').click(function() {
            $(this).parent().toggleClass('accordion-menu__item--active');
            $(this).siblings('.accordion-menu__item__content').slideToggle(200);
        });
    }

    function initCarousel() {

        require('owl-carousel');

        var carouselContainer = $('#imp-carousel');
        var owl = $('.owl-carousel');

        if ($('.refs--small').length) {
            var carouselItems = 3;
        } else {
            var carouselItems = 5;
        }
        
        $('.imp-carousel__item', carouselContainer).first().addClass('imp-carousel__item--active');
        carouselContainer.owlCarousel({
            items: carouselItems,
            autoPlay: 3000,
            addClassActive: true,
            beforeUpdate: setCarouselHeight,
            beforeInit: setCarouselHeight,
            beforeMove: setCarouselHeight,
            afterAction: setCarouselHeight
        });

        function setCarouselHeight() {
            var maxHeight = 0,
                $owlWrapperOuter = $('.owl-wrapper-outer'),
                $owlItemActive = $('.owl-item.active');

            $owlItemActive.each(function () {
                var thisHeight = parseInt( $(this).height() );
                maxHeight = (maxHeight >= thisHeight ? maxHeight : thisHeight);
            });

            $owlWrapperOuter.addClass('autoHeight');
            $owlWrapperOuter.css('height', maxHeight);
        }

        $(".imp-carousel-nav__next").click(function(){
            owl.trigger('owl.next');
        });
        $(".imp-carousel-nav__prev").click(function(){
            owl.trigger('owl.prev');
        });
    }

    function initCookieNote() {
        CookieNote.init();
    }

    function validation() {

        $('form').each(function(){
            var op1 = Math.floor((Math.random() * 100) + 1);

            $(this).find('input[name=op1]').val(op1);
            $(this).find('input[name=op2]').val(131 - op1);
        });


        $.validator.addMethod(
            "regex",
            function(value, element, regexp) {
                var re = new RegExp(regexp);
                return this.optional(element) || re.test(value);
            },
            "Please check your input."
        );


        $('#send-project-form').validate({
            rules: {
                phone: {
                    minlength: 9,
                    regex: "^[0-9\-\+]{9,15}$"
                }
            },
            errorElement: "span",
            submitHandler: function(){
                $('button').attr('disabled', 'disabled');
                $('.send-project-form').css('opacity', '0.3');
                form.submit();
            }
        });

    }
});