// NordicCommerce Pro - Enhanced Performance & SEO Features
// =======================================================

// Include performance optimization class
require_once get_template_directory() . '/inc/performance.php';

// Include schema markup system
require_once get_template_directory() . '/inc/schema.php';

/**
 * Enqueue optimized stylesheets and scripts
 */
function nordiccommerce_enqueue_assets() {
    // Main stylesheet (non-critical, loaded asynchronously)
    wp_enqueue_style(
        'nordiccommerce-main',
        get_template_directory_uri() . '/assets/css/main.min.css',
        array(),
        wp_get_theme()->get('Version')
    );
    
    // Main JavaScript (deferred)
    wp_enqueue_script(
        'nordiccommerce-main',
        get_template_directory_uri() . '/assets/js/main.min.js',
        array(),
        wp_get_theme()->get('Version'),
        true // Load in footer
    );
    
    // Localize script with AJAX data
    wp_localize_script('nordiccommerce-main', 'nordicCommerce', array(
        'ajaxUrl' => admin_url('admin-ajax.php'),
        'nonce' => wp_create_nonce('nordiccommerce_nonce'),
        'isWooCommerce' => class_exists('WooCommerce'),
        'cartUrl' => class_exists('WooCommerce') ? wc_get_cart_url() : '',
        'checkoutUrl' => class_exists('WooCommerce') ? wc_get_checkout_url() : ''
    ));
}
add_action('wp_enqueue_scripts', 'nordiccommerce_enqueue_assets');

/**
 * Add preload links for critical resources
 */
function nordiccommerce_resource_hints($urls, $relation_type) {
    if ('preload' === $relation_type) {
        // Preload Inter variable font
        $urls[] = array(
            'href' => get_template_directory_uri() . '/assets/fonts/inter-var.woff2',
            'as' => 'font',
            'type' => 'font/woff2',
            'crossorigin' => 'anonymous'
        );
    }
    
    if ('dns-prefetch' === $relation_type) {
        $urls[] = 'https://fonts.googleapis.com';
        $urls[] = 'https://www.google-analytics.com';
        
        if (is_woocommerce() || is_cart() || is_checkout()) {
            $urls[] = 'https://js.stripe.com';
        }
    }
    
    return $urls;
}
add_filter('wp_resource_hints', 'nordiccommerce_resource_hints', 10, 2);

/**
 * Add theme support for WooCommerce and performance features
 */
function nordiccommerce_theme_support() {
    // WooCommerce support
    add_theme_support('woocommerce');
    add_theme_support('wc-product-gallery-zoom');
    add_theme_support('wc-product-gallery-lightbox');
    add_theme_support('wc-product-gallery-slider');
    
    // HTML5 support
    add_theme_support('html5', array(
        'search-form',
        'comment-form',
        'comment-list',
        'gallery',
        'caption',
        'script',
        'style'
    ));
    
    // Featured images
    add_theme_support('post-thumbnails');
    
    // Custom logo
    add_theme_support('custom-logo', array(
        'height' => 60,
        'width' => 300,
        'flex-height' => true,
        'flex-width' => true
    ));
    
    // Title tag support
    add_theme_support('title-tag');
    
    // Responsive embeds
    add_theme_support('responsive-embeds');
    
    // Wide alignment
    add_theme_support('align-wide');
    
    // Custom line height
    add_theme_support('custom-line-height');
    
    // Custom units
    add_theme_support('custom-units');
}
add_action('after_setup_theme', 'nordiccommerce_theme_support');

/**
 * Register navigation menus
 */
function nordiccommerce_register_menus() {
    register_nav_menus(array(
        'primary' => esc_html__('Primary Menu', 'nordiccommerce'),
        'footer' => esc_html__('Footer Menu', 'nordiccommerce'),
        'mobile' => esc_html__('Mobile Menu', 'nordiccommerce')
    ));
}
add_action('init', 'nordiccommerce_register_menus');

/**
 * Enhanced WooCommerce cart fragments for AJAX updates
 */
function nordiccommerce_cart_fragments($fragments) {
    // Cart count
    $cart_count = WC()->cart ? WC()->cart->get_cart_contents_count() : 0;
    $fragments['.cart-count'] = '<span class="cart-count">' . esc_html($cart_count) . '</span>';
    
    // Cart total
    $cart_total = WC()->cart ? WC()->cart->get_cart_total() : '';
    $fragments['.cart-total'] = '<span class="cart-total">' . wp_kses_post($cart_total) . '</span>';
    
    return $fragments;
}
add_filter('woocommerce_add_to_cart_fragments', 'nordiccommerce_cart_fragments');

/**
 * AJAX add to cart handler
 */
function nordiccommerce_ajax_add_to_cart() {
    // Verify nonce
    if (\!wp_verify_nonce($_POST['nonce'], 'nordiccommerce_nonce')) {
        wp_die('Security check failed');
    }
    
    $product_id = absint($_POST['product_id']);
    $quantity = absint($_POST['quantity']);
    
    if ($product_id && $quantity) {
        $result = WC()->cart->add_to_cart($product_id, $quantity);
        
        if ($result) {
            wp_send_json_success(array(
                'cart_count' => WC()->cart->get_cart_contents_count(),
                'cart_total' => WC()->cart->get_cart_total(),
                'message' => 'Product added to cart\!'
            ));
        } else {
            wp_send_json_error(array(
                'message' => 'Failed to add product to cart.'
            ));
        }
    } else {
        wp_send_json_error(array(
            'message' => 'Invalid product data.'
        ));
    }
}
add_action('wp_ajax_add_to_cart', 'nordiccommerce_ajax_add_to_cart');
add_action('wp_ajax_nopriv_add_to_cart', 'nordiccommerce_ajax_add_to_cart');

/**
 * Add custom meta tags for SEO and social sharing
 */
function nordiccommerce_meta_tags() {
    // Open Graph tags
    echo '<meta property="og:site_name" content="' . esc_attr(get_bloginfo('name')) . '">' . "\n";
    echo '<meta property="og:locale" content="' . esc_attr(get_locale()) . '">' . "\n";
    
    if (is_product()) {
        global $product;
        if ($product) {
            echo '<meta property="og:type" content="product">' . "\n";
            echo '<meta property="og:title" content="' . esc_attr($product->get_name()) . '">' . "\n";
            echo '<meta property="og:description" content="' . esc_attr(wp_trim_words($product->get_description(), 20)) . '">' . "\n";
            echo '<meta property="og:url" content="' . esc_url(get_permalink()) . '">' . "\n";
            
            $image_id = $product->get_image_id();
            if ($image_id) {
                $image_url = wp_get_attachment_image_url($image_id, 'large');
                echo '<meta property="og:image" content="' . esc_url($image_url) . '">' . "\n";
            }
            
            // Product-specific tags
            echo '<meta property="product:price:amount" content="' . esc_attr($product->get_price()) . '">' . "\n";
            echo '<meta property="product:price:currency" content="' . esc_attr(get_woocommerce_currency()) . '">' . "\n";
            echo '<meta property="product:availability" content="' . ($product->is_in_stock() ? 'in stock' : 'out of stock') . '">' . "\n";
        }
    } else {
        echo '<meta property="og:type" content="website">' . "\n";
        echo '<meta property="og:title" content="' . esc_attr(wp_get_document_title()) . '">' . "\n";
        echo '<meta property="og:url" content="' . esc_url(get_permalink()) . '">' . "\n";
        
        if (is_singular()) {
            $excerpt = get_the_excerpt();
            if ($excerpt) {
                echo '<meta property="og:description" content="' . esc_attr($excerpt) . '">' . "\n";
            }
            
            if (has_post_thumbnail()) {
                $image_url = get_the_post_thumbnail_url(null, 'large');
                echo '<meta property="og:image" content="' . esc_url($image_url) . '">' . "\n";
            }
        }
    }
    
    // Twitter Card tags
    echo '<meta name="twitter:card" content="summary_large_image">' . "\n";
    if (get_option('nordiccommerce_twitter_handle')) {
        echo '<meta name="twitter:site" content="@' . esc_attr(get_option('nordiccommerce_twitter_handle')) . '">' . "\n";
    }
}
add_action('wp_head', 'nordiccommerce_meta_tags');

/**
 * Add theme customizer options
 */
function nordiccommerce_customize_register($wp_customize) {
    // Performance Section
    $wp_customize->add_section('nordiccommerce_performance', array(
        'title' => 'Performance Settings',
        'priority' => 30
    ));
    
    // Enable/disable optimizations
    $wp_customize->add_setting('nordiccommerce_remove_jquery', array(
        'default' => true,
        'sanitize_callback' => 'wp_validate_boolean'
    ));
    
    $wp_customize->add_control('nordiccommerce_remove_jquery', array(
        'label' => 'Remove jQuery (Recommended)',
        'section' => 'nordiccommerce_performance',
        'type' => 'checkbox'
    ));
    
    // Social Media Section
    $wp_customize->add_section('nordiccommerce_social', array(
        'title' => 'Social Media',
        'priority' => 40
    ));
    
    // Social media URLs
    $social_platforms = array(
        'facebook' => 'Facebook URL',
        'twitter' => 'Twitter URL',
        'instagram' => 'Instagram URL',
        'linkedin' => 'LinkedIn URL'
    );
    
    foreach ($social_platforms as $platform => $label) {
        $wp_customize->add_setting("nordiccommerce_{$platform}_url", array(
            'default' => '',
            'sanitize_callback' => 'esc_url_raw'
        ));
        
        $wp_customize->add_control("nordiccommerce_{$platform}_url", array(
            'label' => $label,
            'section' => 'nordiccommerce_social',
            'type' => 'url'
        ));
    }
}
add_action('customize_register', 'nordiccommerce_customize_register');

/**
 * Add body classes for styling hooks
 */
function nordiccommerce_body_classes($classes) {
    // Add browser detection
    if (is_admin_bar_showing()) {
        $classes[] = 'admin-bar-showing';
    }
    
    // Add device detection
    if (wp_is_mobile()) {
        $classes[] = 'mobile-device';
    }
    
    // Add WooCommerce context
    if (class_exists('WooCommerce')) {
        if (is_woocommerce()) {
            $classes[] = 'woocommerce-page';
        }
        
        if (is_cart()) {
            $classes[] = 'cart-page';
        }
        
        if (is_checkout()) {
            $classes[] = 'checkout-page';
        }
    }
    
    return $classes;
}
add_filter('body_class', 'nordiccommerce_body_classes');

/**
 * Optimize WooCommerce performance
 */
function nordiccommerce_optimize_woocommerce() {
    if (\!class_exists('WooCommerce')) {
        return;
    }
    
    // Disable WooCommerce scripts on non-shop pages
    if (\!is_woocommerce() && \!is_cart() && \!is_checkout() && \!is_account_page()) {
        wp_dequeue_style('woocommerce-general');
        wp_dequeue_style('woocommerce-layout');
        wp_dequeue_style('woocommerce-smallscreen');
        wp_dequeue_script('wc-cart-fragments');
        wp_dequeue_script('woocommerce');
    }
}
add_action('wp_enqueue_scripts', 'nordiccommerce_optimize_woocommerce', 99);

/**
 * Core Web Vitals optimization
 */
function nordiccommerce_core_web_vitals() {
    // Add fetchpriority to hero images
    add_filter('wp_get_attachment_image_attributes', function($attr, $attachment, $size) {
        if (is_front_page() && (strpos($size, 'hero') \!== false || strpos($size, 'banner') \!== false)) {
            $attr['fetchpriority'] = 'high';
            $attr['loading'] = 'eager';
        }
        return $attr;
    }, 10, 3);
    
    // Optimize images with better attributes
    add_filter('wp_get_attachment_image_attributes', function($attr) {
        if (\!isset($attr['loading'])) {
            $attr['loading'] = 'lazy';
        }
        $attr['decoding'] = 'async';
        return $attr;
    });
}
add_action('init', 'nordiccommerce_core_web_vitals');
EOF < /dev/null
// Include AI optimization class
require_once get_template_directory() . '/inc/ai-optimization.php';

/**
 * Enhanced SEO features for better search engine understanding
 */
function nordiccommerce_enhanced_seo() {
    // Add JSON-LD structured data for homepage
    if (is_front_page()) {
        add_action('wp_head', function() {
            $schema = array(
                '@context' => 'https://schema.org',
                '@type' => 'WebSite',
                'name' => get_bloginfo('name'),
                'url' => home_url(),
                'description' => get_bloginfo('description'),
                'publisher' => array(
                    '@type' => 'Organization',
                    'name' => get_bloginfo('name'),
                    'logo' => array(
                        '@type' => 'ImageObject',
                        'url' => get_theme_mod('custom_logo') ? 
                            wp_get_attachment_image_url(get_theme_mod('custom_logo'), 'full') : 
                            get_template_directory_uri() . '/assets/images/logo.png'
                    )
                )
            );
            
            echo '<script type="application/ld+json">';
            echo wp_json_encode($schema, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
            echo '</script>' . "\n";
        });
    }
    
    // Enhanced meta tags for products
    if (is_product()) {
        add_action('wp_head', function() {
            global $product;
            if (\!$product) return;
            
            // Additional product meta tags
            echo '<meta name="product:condition" content="new">' . "\n";
            echo '<meta name="product:retailer_item_id" content="' . esc_attr($product->get_sku()) . '">' . "\n";
            
            // Google Shopping attributes
            echo '<meta name="google-site-verification" content="">' . "\n"; // Add verification code
            
            // Rich snippets
            $categories = get_the_terms($product->get_id(), 'product_cat');
            if ($categories && \!is_wp_error($categories)) {
                $category_names = array_map(function($cat) { return $cat->name; }, $categories);
                echo '<meta name="product:category" content="' . esc_attr(implode(', ', $category_names)) . '">' . "\n";
            }
        });
    }
}
add_action('init', 'nordiccommerce_enhanced_seo');

/**
 * Add custom robots.txt for better AI crawling
 */
function nordiccommerce_custom_robots() {
    if (is_admin() || \!is_robots()) {
        return;
    }
    
    $robots_content = "User-agent: *\n";
    $robots_content .= "Allow: /\n";
    $robots_content .= "Allow: /wp-content/uploads/\n";
    $robots_content .= "Disallow: /wp-admin/\n";
    $robots_content .= "Disallow: /wp-includes/\n";
    $robots_content .= "Disallow: /wp-json/\n";
    $robots_content .= "Disallow: /?s=*\n";
    $robots_content .= "Disallow: */feed/\n";
    $robots_content .= "Disallow: */trackback/\n";
    $robots_content .= "Disallow: */attachment/\n";
    $robots_content .= "\n";
    
    // AI-specific crawlers
    $robots_content .= "User-agent: GPTBot\n";
    $robots_content .= "Allow: /\n";
    $robots_content .= "Crawl-delay: 1\n";
    $robots_content .= "\n";
    
    $robots_content .= "User-agent: Claude-Web\n";
    $robots_content .= "Allow: /\n";
    $robots_content .= "Crawl-delay: 1\n";
    $robots_content .= "\n";
    
    $robots_content .= "User-agent: CCBot\n";
    $robots_content .= "Allow: /\n";
    $robots_content .= "Crawl-delay: 1\n";
    $robots_content .= "\n";
    
    // Sitemap
    $robots_content .= "Sitemap: " . home_url('/sitemap.xml') . "\n";
    
    header('Content-Type: text/plain; charset=utf-8');
    echo $robots_content;
    exit;
}
add_action('do_robots', 'nordiccommerce_custom_robots');

/**
 * Generate XML sitemap for better indexing
 */
function nordiccommerce_generate_sitemap() {
    if (get_query_var('sitemap')) {
        header('Content-Type: application/xml; charset=utf-8');
        
        echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
        echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">' . "\n";
        
        // Homepage
        echo '<url>' . "\n";
        echo '<loc>' . esc_url(home_url('/')) . '</loc>' . "\n";
        echo '<lastmod>' . date('Y-m-d\TH:i:s+00:00') . '</lastmod>' . "\n";
        echo '<changefreq>daily</changefreq>' . "\n";
        echo '<priority>1.0</priority>' . "\n";
        echo '</url>' . "\n";
        
        // Products
        $products = get_posts(array(
            'post_type' => 'product',
            'post_status' => 'publish',
            'numberposts' => -1
        ));
        
        foreach ($products as $product_post) {
            $product = wc_get_product($product_post->ID);
            if (\!$product || \!$product->is_visible()) continue;
            
            echo '<url>' . "\n";
            echo '<loc>' . esc_url(get_permalink($product_post->ID)) . '</loc>' . "\n";
            echo '<lastmod>' . date('Y-m-d\TH:i:s+00:00', strtotime($product_post->post_modified)) . '</lastmod>' . "\n";
            echo '<changefreq>weekly</changefreq>' . "\n";
            echo '<priority>0.8</priority>' . "\n";
            
            // Product images
            $image_id = $product->get_image_id();
            if ($image_id) {
                $image_url = wp_get_attachment_image_url($image_id, 'full');
                if ($image_url) {
                    echo '<image:image>' . "\n";
                    echo '<image:loc>' . esc_url($image_url) . '</image:loc>' . "\n";
                    echo '<image:caption>' . esc_html($product->get_name()) . '</image:caption>' . "\n";
                    echo '</image:image>' . "\n";
                }
            }
            
            echo '</url>' . "\n";
        }
        
        // Pages
        $pages = get_posts(array(
            'post_type' => 'page',
            'post_status' => 'publish',
            'numberposts' => -1
        ));
        
        foreach ($pages as $page) {
            echo '<url>' . "\n";
            echo '<loc>' . esc_url(get_permalink($page->ID)) . '</loc>' . "\n";
            echo '<lastmod>' . date('Y-m-d\TH:i:s+00:00', strtotime($page->post_modified)) . '</lastmod>' . "\n";
            echo '<changefreq>monthly</changefreq>' . "\n";
            echo '<priority>0.6</priority>' . "\n";
            echo '</url>' . "\n";
        }
        
        // Product categories
        $categories = get_terms(array(
            'taxonomy' => 'product_cat',
            'hide_empty' => true
        ));
        
        foreach ($categories as $category) {
            echo '<url>' . "\n";
            echo '<loc>' . esc_url(get_term_link($category)) . '</loc>' . "\n";
            echo '<lastmod>' . date('Y-m-d\TH:i:s+00:00') . '</lastmod>' . "\n";
            echo '<changefreq>weekly</changefreq>' . "\n";
            echo '<priority>0.7</priority>' . "\n";
            echo '</url>' . "\n";
        }
        
        echo '</urlset>' . "\n";
        exit;
    }
}
add_action('template_redirect', 'nordiccommerce_generate_sitemap');

/**
 * Add sitemap rewrite rule
 */
function nordiccommerce_sitemap_rewrite() {
    add_rewrite_rule('^sitemap\.xml$', 'index.php?sitemap=1', 'top');
}
add_action('init', 'nordiccommerce_sitemap_rewrite');

/**
 * Add sitemap query var
 */
function nordiccommerce_sitemap_query_vars($vars) {
    $vars[] = 'sitemap';
    return $vars;
}
add_filter('query_vars', 'nordiccommerce_sitemap_query_vars');

/**
 * Voice search optimization
 */
function nordiccommerce_voice_search_optimization() {
    // Add speakable content markers
    add_filter('the_content', function($content) {
        if (is_product()) {
            // Mark key product information as speakable
            $content = preg_replace(
                '/(<h[2-3][^>]*>.*?<\/h[2-3]>)/i',
                '<div class="speakable-content">$1</div>',
                $content
            );
            
            // Mark feature lists as speakable
            $content = preg_replace(
                '/(<ul[^>]*class="[^"]*features[^"]*"[^>]*>.*?<\/ul>)/is',
                '<div class="speakable-content">$1</div>',
                $content
            );
        }
        
        return $content;
    });
}
add_action('init', 'nordiccommerce_voice_search_optimization');

/**
 * Add microdata for better AI understanding
 */
function nordiccommerce_microdata_enhancement() {
    if (is_product()) {
        add_filter('woocommerce_single_product_summary', function() {
            echo '<meta itemprop="name" content="' . esc_attr(get_the_title()) . '">';
        }, 5);
    }
}
add_action('init', 'nordiccommerce_microdata_enhancement');
EOF < /dev/null
// Include WooCommerce enhancements
require_once get_template_directory() . '/inc/woocommerce-functions.php';

// Include Stripe enhancements
require_once get_template_directory() . '/inc/stripe-enhancements.php';

/**
 * Enhanced WooCommerce product display
 */
function nordiccommerce_product_enhancements() {
    // Add product view counter
    if (is_product()) {
        add_action('wp', function() {
            global $post;
            if ($post && $post->post_type === 'product') {
                $views = get_post_meta($post->ID, '_product_views', true);
                $views = $views ? intval($views) + 1 : 1;
                update_post_meta($post->ID, '_product_views', $views);
            }
        });
    }
    
    // Enhanced product tabs
    add_filter('woocommerce_product_tabs', function($tabs) {
        // Add specifications tab
        $tabs['specifications'] = array(
            'title' => 'Specifications',
            'priority' => 15,
            'callback' => 'nordiccommerce_specifications_tab_content'
        );
        
        // Add shipping tab
        $tabs['shipping_info'] = array(
            'title' => 'Shipping & Returns',
            'priority' => 25,
            'callback' => 'nordiccommerce_shipping_tab_content'
        );
        
        return $tabs;
    });
}
add_action('init', 'nordiccommerce_product_enhancements');

/**
 * Specifications tab content
 */
function nordiccommerce_specifications_tab_content() {
    global $product;
    
    echo '<div class="product-specifications">';
    
    // Product attributes
    $attributes = $product->get_attributes();
    if (\!empty($attributes)) {
        echo '<table class="specifications-table">';
        foreach ($attributes as $attribute) {
            if ($attribute->get_visible()) {
                echo '<tr>';
                echo '<td><strong>' . wc_attribute_label($attribute->get_name()) . '</strong></td>';
                echo '<td>' . $product->get_attribute($attribute->get_name()) . '</td>';
                echo '</tr>';
            }
        }
        echo '</table>';
    }
    
    // Additional specifications
    echo '<h4>Product Details</h4>';
    echo '<table class="specifications-table">';
    echo '<tr><td><strong>SKU</strong></td><td>' . ($product->get_sku() ?: 'N/A') . '</td></tr>';
    echo '<tr><td><strong>Weight</strong></td><td>' . ($product->get_weight() ? $product->get_weight() . ' kg' : 'N/A') . '</td></tr>';
    
    $dimensions = $product->get_dimensions(false);
    if (\!empty($dimensions['length']) || \!empty($dimensions['width']) || \!empty($dimensions['height'])) {
        echo '<tr><td><strong>Dimensions</strong></td><td>' . wc_format_dimensions($dimensions) . '</td></tr>';
    }
    
    echo '<tr><td><strong>Condition</strong></td><td>New</td></tr>';
    echo '<tr><td><strong>Warranty</strong></td><td>1 Year Manufacturer Warranty</td></tr>';
    echo '</table>';
    
    echo '</div>';
}

/**
 * Shipping tab content
 */
function nordiccommerce_shipping_tab_content() {
    echo '<div class="shipping-returns-info">';
    
    echo '<h4>Shipping Information</h4>';
    echo '<ul>';
    echo '<li><strong>Free Shipping:</strong> On orders over 500 SEK</li>';
    echo '<li><strong>Standard Delivery:</strong> 2-4 business days</li>';
    echo '<li><strong>Express Delivery:</strong> 1-2 business days (additional cost)</li>';
    echo '<li><strong>International Shipping:</strong> Available to most countries</li>';
    echo '</ul>';
    
    echo '<h4>Returns & Exchanges</h4>';
    echo '<ul>';
    echo '<li><strong>Return Period:</strong> 30 days from delivery</li>';
    echo '<li><strong>Return Condition:</strong> Items must be unused and in original packaging</li>';
    echo '<li><strong>Return Shipping:</strong> Free returns within Sweden</li>';
    echo '<li><strong>Refund Processing:</strong> 3-5 business days after we receive your return</li>';
    echo '</ul>';
    
    echo '<h4>Customer Support</h4>';
    echo '<p>Need help with your order? Contact our customer support team:</p>';
    echo '<ul>';
    echo '<li><strong>Email:</strong> support@stinkyfishchallenge.com</li>';
    echo '<li><strong>Phone:</strong> +46 (0)8 123 45 67</li>';
    echo '<li><strong>Hours:</strong> Monday-Friday 9:00-17:00 CET</li>';
    echo '</ul>';
    
    echo '</div>';
}

/**
 * Enhanced cart functionality
 */
function nordiccommerce_cart_enhancements() {
    // Add estimated delivery date to cart
    add_action('woocommerce_cart_totals_after_order_total', function() {
        $estimated_delivery = date('M j, Y', strtotime('+3 days'));
        echo '<tr class="estimated-delivery">';
        echo '<th>Estimated Delivery:</th>';
        echo '<td><strong>' . esc_html($estimated_delivery) . '</strong></td>';
        echo '</tr>';
    });
    
    // Add cart recommendations
    add_action('woocommerce_cart_collaterals', function() {
        if (WC()->cart->is_empty()) return;
        
        // Get cart product categories
        $cart_categories = array();
        foreach (WC()->cart->get_cart() as $cart_item) {
            $product_categories = get_the_terms($cart_item['product_id'], 'product_cat');
            if ($product_categories) {
                foreach ($product_categories as $category) {
                    $cart_categories[] = $category->term_id;
                }
            }
        }
        
        if (empty($cart_categories)) return;
        
        // Get recommended products
        $recommendations = wc_get_products(array(
            'limit' => 4,
            'status' => 'publish',
            'category' => array_unique($cart_categories),
            'exclude' => array_keys(WC()->cart->get_cart())
        ));
        
        if (\!empty($recommendations)) {
            echo '<div class="cart-recommendations">';
            echo '<h3>You might also like</h3>';
            echo '<div class="recommendations-grid">';
            
            foreach ($recommendations as $product) {
                echo '<div class="recommendation-item">';
                echo '<a href="' . esc_url($product->get_permalink()) . '">';
                echo wp_get_attachment_image($product->get_image_id(), 'thumbnail');
                echo '<h4>' . esc_html($product->get_name()) . '</h4>';
                echo '<span class="price">' . $product->get_price_html() . '</span>';
                echo '</a>';
                echo '</div>';
            }
            
            echo '</div>';
            echo '</div>';
        }
    });
}
add_action('init', 'nordiccommerce_cart_enhancements');

/**
 * Advanced search functionality
 */
function nordiccommerce_advanced_search() {
    // Add AJAX search suggestions
    add_action('wp_ajax_product_search_suggestions', 'nordiccommerce_search_suggestions');
    add_action('wp_ajax_nopriv_product_search_suggestions', 'nordiccommerce_search_suggestions');
}
add_action('init', 'nordiccommerce_advanced_search');

function nordiccommerce_search_suggestions() {
    $term = sanitize_text_field($_GET['term']);
    
    if (strlen($term) < 2) {
        wp_die();
    }
    
    $suggestions = array();
    
    // Search products
    $products = wc_get_products(array(
        'limit' => 5,
        'status' => 'publish',
        's' => $term
    ));
    
    foreach ($products as $product) {
        $suggestions[] = array(
            'label' => $product->get_name(),
            'value' => $product->get_name(),
            'url' => $product->get_permalink(),
            'image' => wp_get_attachment_image_url($product->get_image_id(), 'thumbnail'),
            'price' => $product->get_price_html()
        );
    }
    
    // Search categories
    $categories = get_terms(array(
        'taxonomy' => 'product_cat',
        'name__like' => $term,
        'number' => 3
    ));
    
    foreach ($categories as $category) {
        $suggestions[] = array(
            'label' => $category->name . ' (Category)',
            'value' => $category->name,
            'url' => get_term_link($category),
            'type' => 'category'
        );
    }
    
    wp_send_json($suggestions);
}

/**
 * Customer account enhancements
 */
function nordiccommerce_account_enhancements() {
    // Add custom account dashboard widgets
    add_action('woocommerce_account_dashboard', function() {
        $current_user = wp_get_current_user();
        $customer = new WC_Customer($current_user->ID);
        
        echo '<div class="account-dashboard-widgets">';
        
        // Recent orders widget
        $recent_orders = wc_get_orders(array(
            'customer' => $current_user->ID,
            'limit' => 3,
            'status' => array('wc-processing', 'wc-on-hold', 'wc-completed')
        ));
        
        if (\!empty($recent_orders)) {
            echo '<div class="dashboard-widget recent-orders">';
            echo '<h3>Recent Orders</h3>';
            foreach ($recent_orders as $order) {
                echo '<div class="order-summary">';
                echo '<strong>#' . $order->get_order_number() . '</strong> ';
                echo '<span class="order-status ' . $order->get_status() . '">' . wc_get_order_status_name($order->get_status()) . '</span>';
                echo '<span class="order-total">' . $order->get_formatted_order_total() . '</span>';
                echo '</div>';
            }
            echo '<a href="' . wc_get_endpoint_url('orders') . '" class="view-all">View All Orders</a>';
            echo '</div>';
        }
        
        // Loyalty points (if implemented)
        $loyalty_points = get_user_meta($current_user->ID, '_loyalty_points', true);
        if ($loyalty_points) {
            echo '<div class="dashboard-widget loyalty-points">';
            echo '<h3>Loyalty Points</h3>';
            echo '<div class="points-balance">';
            echo '<span class="points-number">' . esc_html($loyalty_points) . '</span>';
            echo '<span class="points-label">points available</span>';
            echo '</div>';
            echo '<p>Earn 1 point for every 10 SEK spent\!</p>';
            echo '</div>';
        }
        
        echo '</div>';
    }, 5);
}
add_action('init', 'nordiccommerce_account_enhancements');
EOF < /dev/null
/**
 * Customizer Integration
 * Load customizer functionality and dynamic CSS generation
 */
require_once get_template_directory() . "/inc/customizer.php";
require_once get_template_directory() . "/inc/customizer-integration.php";

// Initialize customizer
add_action("customize_register", "nordiccommerce_customize_register");


/**
 * AI Premium Features Integration
 * Load advanced AI-powered functionality
 */
require_once get_template_directory() . "/inc/ai-premium-features.php";

/**
 * AI Premium Features Customizer Integration
 */
add_action("customize_register", function($wp_customize) {
    // AI Premium Section
    $wp_customize->add_section("nordiccommerce_ai_premium", array(
        "title" => "AI Premium Features",
        "priority" => 46,
        "description" => "Advanced AI-powered features for maximum conversions"
    ));
    
    // AI Product Recommendations
    $wp_customize->add_setting("nordiccommerce_ai_recommendations", array(
        "default" => true,
        "sanitize_callback" => "rest_sanitize_boolean"
    ));
    
    $wp_customize->add_control("nordiccommerce_ai_recommendations", array(
        "label" => "AI Product Recommendations",
        "section" => "nordiccommerce_ai_premium",
        "type" => "checkbox",
        "description" => "Show AI-powered product recommendations based on user behavior"
    ));
    
    // Smart Search
    $wp_customize->add_setting("nordiccommerce_ai_smart_search", array(
        "default" => true,
        "sanitize_callback" => "rest_sanitize_boolean"
    ));
    
    $wp_customize->add_control("nordiccommerce_ai_smart_search", array(
        "label" => "AI Smart Search",
        "section" => "nordiccommerce_ai_premium",
        "type" => "checkbox",
        "description" => "Enable intelligent search suggestions and voice search"
    ));
    
    // Personalization
    $wp_customize->add_setting("nordiccommerce_ai_personalization", array(
        "default" => true,
        "sanitize_callback" => "rest_sanitize_boolean"
    ));
    
    $wp_customize->add_control("nordiccommerce_ai_personalization", array(
        "label" => "Content Personalization",
        "section" => "nordiccommerce_ai_premium",
        "type" => "checkbox",
        "description" => "Personalize content based on user behavior and preferences"
    ));
    
    // Smart Notifications
    $wp_customize->add_setting("nordiccommerce_ai_notifications", array(
        "default" => true,
        "sanitize_callback" => "rest_sanitize_boolean"
    ));
    
    $wp_customize->add_control("nordiccommerce_ai_notifications", array(
        "label" => "Smart Notifications",
        "section" => "nordiccommerce_ai_premium",
        "type" => "checkbox",
        "description" => "Show intelligent notifications for cart abandonment and offers"
    ));
});

<!DOCTYPE html>
<html lang="en-US" class="