/*global wc_add_to_cart_params */
jQuery(function ($) {

    // wc_add_to_cart_params is required to continue, ensure the object exists
    if (typeof wc_add_to_cart_params === 'undefined') {
        return false;
    }

    // Ajax add to cart
    $(document).on('click', '.add_to_cart_button', function () {

        // AJAX add to cart request
        var $thisbutton = $(this);

        if ($thisbutton.is('.product_type_simple')) {

            if (!$thisbutton.attr('data-product_id')) {
                return true;
            }

            $thisbutton.removeClass('added');
            $thisbutton.addClass('loading');

            var data = {};

            $.each($thisbutton.data(), function (key, value) {
                data[key] = value;
            });

            // Trigger event
            $(document.body).trigger('adding_to_cart', [$thisbutton, data]);

            // Ajax action
            $.post(wc_add_to_cart_params.wc_ajax_url.toString().replace('%%endpoint%%', 'add_to_cart'), data, function (response) {

                if (!response) {
                    return;
                }

                var this_page = window.location.toString();

                this_page = this_page.replace('add-to-cart', 'added-to-cart');

                if (response.error && response.product_url) {
                    window.location = response.product_url;
                    return;
                }

                // Redirect to cart option
                if (wc_add_to_cart_params.cart_redirect_after_add === 'yes') {

                    window.location = wc_add_to_cart_params.cart_url;
                    return;

                }
                else {

                    $thisbutton.removeClass('loading');

                    var fragments = response.fragments;
                    var cart_hash = response.cart_hash;

                    // Block fragments class
                    if (fragments) {
                        $.each(fragments, function (key) {
                            $(key).addClass('updating');
                        });
                    }

                    // Block widgets and fragments
                    $('.shop_table.cart, .updating, .cart_totals').fadeTo('400', '0.6').block({
                        message    : null,
                        overlayCSS : {
                            opacity : 0.6
                        }
                    });

                    // Changes button classes
                    $thisbutton.addClass('added');
                    $thisbutton.has('added_to_cart').addClass('hide');

                    // View cart text
                    if (!wc_add_to_cart_params.is_cart && $thisbutton.parent().find('.added_to_cart').size() === 0) {
                        $thisbutton.after(' <a href="' + wc_add_to_cart_params.cart_url + '" class="added_to_cart wc-forward" title="' +
                            wc_add_to_cart_params.i18n_view_cart_title + '">' + wc_add_to_cart_params.i18n_view_cart + '</a>');
                    }

                    // Replace fragments
                    if (fragments) {
                        $.each(fragments, function (key, value) {
                            $(key).replaceWith(value);
                        });
                    }

                    // Unblock
                    $('.widget_shopping_cart, .updating').stop(true).css('opacity', '1').unblock();

                    // Cart page elements
                    $('.shop_table.cart').load(this_page + ' .shop_table.cart:eq(0) > *', function () {

                        $('.shop_table.cart').stop(true).css('opacity', '1').unblock();

                        $(document.body).trigger('cart_page_refreshed');
                    });

                    $('.cart_totals').load(this_page + ' .cart_totals:eq(0) > *', function () {
                        $('.cart_totals').stop(true).css('opacity', '1').unblock();
                    });

                    // Trigger event so themes can refresh other areas
                    $(document.body).trigger('added_to_cart', [fragments, cart_hash, $thisbutton]);
                }
            });

            return false;

        }

        return true;
    });

});