<?php
/*@MDN*/

// Ẩn top bar admin
// function hide_admin_bar(){ return false; }
// add_filter( 'show_admin_bar', 'hide_admin_bar' );

add_filter('flatsome_lightbox_close_btn_inside', '__return_true');

// Thêm các file css, js
function add_theme_scripts_client() {
    $ver = "1.1";
    wp_enqueue_style('custom-css', get_template_directory_uri() . '-child' . '/customs/style.css', array(), $ver, 'all');
}

add_action('wp_enqueue_scripts', 'add_theme_scripts_client');

// Button trang chi tiết sản phẩm
function add_button_product_detail() {
    $html = '';
    if (is_singular('product')) {
        $linkDownload = get_field('link_download_hdsd') ?  get_field('link_download_hdsd') : '#popup-form';

        $html = '<div id="button-product-detail">
                    <a href="#popup-form" class="button alert is-larger lowercase animate-scale" style="border-radius: 100px;"><span>Nhận báo giá</span></a>
                    <a href="'.$linkDownload.'" class="button is-larger lowercase animate-scale disable-color" style="border-radius: 100px;"><span>Hướng dẫn sử dụng</span></a>
                 </div>';
    }
    echo $html;
}

add_action('flatsome_custom_single_product_1', 'add_button_product_detail');

// Config số lượng sản phẩm liên quan
function change_number_related_products( $args ) {
    $args['posts_per_page'] = 4;
    return $args;
}
add_filter( 'woocommerce_output_related_products_args', 'change_number_related_products', 20 );


// Custom section sản phẩm liên quan

function custom_related_product() {
    $html = '';
    if (is_singular('product')) {
        global $product;
        $link = $product->get_permalink();
        $sku = $product->get_sku() ? $product->get_sku() : 'N/A';
        $category = get_the_terms( $product->get_id(), 'product_cat' ) ? get_the_terms( $product->get_id(), 'product_cat' )[0]->name : 'N/A';
        $size = $product->get_attribute( 'kich-co' ) ? $product->get_attribute( 'kich-co' ) : 'N/A';
        $excaly = $product->get_attribute( 'do-chinh-xac' ) ? $product->get_attribute( 'do-chinh-xac' ) : 'N/A' ;

        $html = '<div class="button-wrapper">
                    <a href="'.$link.'" class="button alert is-larger lowercase" style="border-radius: 100px;"><span>Xem thêm</span></a>
                 </div>
                 <ul class="config-wrapper">
                     <li>
                        <span class="icon"><img src="'.home_url() .'/' . 'wp-content/uploads/2021/07/point.png'.'" alt=""></span>
                        <span class=config-value>Models: '.$sku.'</span>
                     </li>
                     <li>
                        <span class="icon"><img src="'.home_url() .'/' . 'wp-content/uploads/2021/07/point.png'.'" alt=""></span>
                        <span class=config-value>'.$category.'</span>
                     </li>
                     <li>
                        <span class="icon"><img src="'.home_url() .'/' . 'wp-content/uploads/2021/07/point.png'.'" alt=""></span>
                        <span class=config-value>Kích cỡ: '.$size.'</span>
                     </li>
                     <li>
                        <span class="icon"><img src="'.home_url() .'/' . 'wp-content/uploads/2021/07/point.png'.'" alt=""></span>
                        <span class=config-value>Độ chính xác: '.$excaly.'</span>
                     </li>
                 </ul>
                 ';
    }

    echo $html;
}

add_action('flatsome_product_box_after','custom_related_product');

// Remove tab đánh giá trong chi tiết sản phẩm
function remove_product_tabs( $tabs ) {
    if (is_singular('product')) {
        unset( $tabs['reviews'] );
    }
    return $tabs;
}
add_filter( 'woocommerce_product_tabs', 'remove_product_tabs', 98 );

// Add thêm tab trong chi tiết sản phẩm
function add_new_product_tab( $tabs ) {
    if (is_singular('product')) {
        $tabs['configs_tab'] = array(
            'title'     => __( 'Thông số kỹ thuật', 'woocommerce' ),
            'priority'  => 50,
            'callback'  => 'add_content_configs_tab'
        );

        $tabs['certifications_tab'] = array(
            'title'     => __( 'Chứng chỉ sản phẩm', 'woocommerce' ),
            'priority'  => 50,
            'callback'  => 'add_content_certifications_tab'
        );

        $tabs['accessaries_tab'] = array(
            'title'     => __( 'Phụ kiện', 'woocommerce' ),
            'priority'  => 50,
            'callback'  => 'add_content_accessaries_tab'
        );
    }
    return $tabs;
}
add_filter( 'woocommerce_product_tabs', 'add_new_product_tab' );

// Tab thông số kĩ thuật
function add_content_configs_tab() {
    $content = get_field('configs_tab_detail');
    if ($content) {
        echo $content;
    } else {
        echo "<p>Đang cập nhật...</p>";
    }
}

// Tab chứng chỉ
function add_content_certifications_tab() {
    $images = get_field('certifications_tab_img');
    $html = '';
    if ($images) {
        $html = '<ul id="tab-cretification-img">';
                    foreach( $images as $img ) {
                        $html .= '<li><img src="'.esc_url($img['sizes']['thumbnail']).'" alt="'.esc_attr($img['alt']).'" /></li>';
                    }
        $html .= '</ul>';
    } else {
        echo "<p>Đang cập nhật...</p>";
    }
    echo $html;
}

// Tab phụ kiện
function add_content_accessaries_tab() {
    $content = get_field('accessaries_tab_detail');
    if ($content) {
        echo $content;
    } else {
        echo "<p>Đang cập nhật...</p>";
    }
}

// Tiêu đề trang danh mục sản phẩm
function add_title_category_name() {
    $title = '';
    // Lấy info danh mục
    global $wp_query;
    $cat = $wp_query->get_queried_object();
    if (is_product_category() && $cat->name) {
        $title = '<h2 id="category-name" class="text-center">'.$cat->name.'</h2>';
    }
    echo $title;
}
add_action('woocommerce_before_main_content','add_title_category_name');

// Lấy mã sản phẩm trang danh mục

function get_sku_category_product() {
    $html = '';
    if (is_product_category() || is_shop()) {
        global $product;
        $title = $product->get_sku() ? $product->get_sku() : $product->get_title();
        $link = $product->get_permalink();
        $html = '<div class="title-wrapper custom-title">
                    <p class="name product-title woocommerce-loop-product__title">
                        <a href="'.$link.'" class="woocommerce-LoopProduct-link woocommerce-loop-product__link">'.$title.'</a>
                    </p>
                </div>';
    }
    echo $html;

}

add_action('flatsome_product_box_after','get_sku_category_product');

// Meta description for posts + WooCommerce products
function zoyi_meta_description() {
    if (is_singular()) {
        global $post;
        $desc = trim(wp_strip_all_tags(get_the_excerpt($post)));
        if (empty($desc)) {
            $desc = trim(wp_strip_all_tags(wp_trim_words($post->post_content, 30, '...')));
        }
        if (!empty($desc)) {
            echo '<meta name="description" content="' . esc_attr($desc) . '">' . "
";
        }
    }
}
add_action('wp_head', 'zoyi_meta_description', 1);


// === SEO: Organization Schema + WebSite Schema + BreadcrumbList Schema ===
function zoyi_seo_schema() {
    // Organization Schema
    $org = array(
        '@context' => 'https://schema.org',
        '@type' => 'Organization',
        'name' => 'Zoyi Việt Nam',
        'url' => 'https://zoyi.vn',
        'logo' => 'https://zoyi.vn/wp-content/uploads/2021/08/favicon.png',
        'description' => 'Đồng hồ vạn năng và thiết bị đo lường điện chính hãng chất lượng cao',
        'address' => array(
            '@type' => 'PostalAddress',
            'addressCountry' => 'VN',
        ),
        'sameAs' => array(
            'https://www.facebook.com/zoyi.vietnam',
        ),
    );
    
    // WebSite Schema with SearchAction
    $website = array(
        '@context' => 'https://schema.org',
        '@type' => 'WebSite',
        'name' => 'Zoyi Việt Nam',
        'url' => 'https://zoyi.vn',
        'potentialAction' => array(
            '@type' => 'SearchAction',
            'target' => 'https://zoyi.vn/?s={search_term_string}',
            'query-input' => 'required name=search_term_string',
        ),
    );
    
    echo '<script type="application/ld+json">' . json_encode($org, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . '</script>' . "\n";
    echo '<script type="application/ld+json">' . json_encode($website, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . '</script>' . "\n";
    
    // BreadcrumbList Schema for single posts/products
    if (is_singular()) {
        global $post;
        $breadcrumb = array(
            '@context' => 'https://schema.org',
            '@type' => 'BreadcrumbList',
            'itemListElement' => array(),
        );
        
        // Home
        $breadcrumb['itemListElement'][] = array(
            '@type' => 'ListItem',
            'position' => 1,
            'name' => 'Trang chủ',
            'item' => 'https://zoyi.vn',
        );
        
        // Blog or Product category
        if (is_product()) {
            $breadcrumb['itemListElement'][] = array(
                '@type' => 'ListItem',
                'position' => 2,
                'name' => 'Sản phẩm',
                'item' => 'https://zoyi.vn/products/',
            );
        } elseif (is_single()) {
            $breadcrumb['itemListElement'][] = array(
                '@type' => 'ListItem',
                'position' => 2,
                'name' => 'Blog',
                'item' => 'https://zoyi.vn/blog/',
            );
        }
        
        // Current page
        $breadcrumb['itemListElement'][] = array(
            '@type' => 'ListItem',
            'position' => count($breadcrumb['itemListElement']) + 1,
            'name' => get_the_title(),
            'item' => get_permalink(),
        );
        
        echo '<script type="application/ld+json">' . json_encode($breadcrumb, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . '</script>' . "\n";
    }
}
add_action('wp_head', 'zoyi_seo_schema', 5);

// === SEO: Article Schema for blog posts ===
function zoyi_article_schema() {
    if (is_single() && !is_product()) {
        global $post;
        $schema = array(
            '@context' => 'https://schema.org',
            '@type' => 'Article',
            'headline' => get_the_title(),
            'url' => get_permalink(),
            'datePublished' => get_the_date('c'),
            'dateModified' => get_the_modified_date('c'),
            'author' => array(
                '@type' => 'Organization',
                'name' => 'Zoyi Việt Nam',
                'url' => 'https://zoyi.vn',
            ),
            'publisher' => array(
                '@type' => 'Organization',
                'name' => 'Zoyi Việt Nam',
                'logo' => array(
                    '@type' => 'ImageObject',
                    'url' => 'https://zoyi.vn/wp-content/uploads/2021/08/favicon.png',
                ),
            ),
            'description' => trim(wp_strip_all_tags(get_the_excerpt($post))),
        );
        
        if (has_post_thumbnail()) {
            $schema['image'] = array(
                '@type' => 'ImageObject',
                'url' => get_the_post_thumbnail_url($post, 'full'),
            );
        }
        
        echo '<script type="application/ld+json">' . json_encode($schema, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . '</script>' . "\n";
    }
}
add_action('wp_head', 'zoyi_article_schema', 6);


// === 7. Open Graph + Twitter Card Tags ===
function zoyi_og_tags() {
    if (is_singular()) {
        global $post;
        $title = get_the_title();
        $desc = trim(wp_strip_all_tags(get_the_excerpt($post)));
        if (empty($desc)) {
            $desc = trim(wp_strip_all_tags(wp_trim_words($post->post_content, 30, '...')));
        }
        $url = get_permalink();
        $image = has_post_thumbnail() ? get_the_post_thumbnail_url($post, 'large') : 'https://zoyi.vn/wp-content/uploads/2021/08/favicon.png';
        
        echo '<meta property="og:type" content="' . (is_product() ? 'product' : 'article') . '">' . "\n";
        echo '<meta property="og:title" content="' . esc_attr($title) . '">' . "\n";
        echo '<meta property="og:description" content="' . esc_attr($desc) . '">' . "\n";
        echo '<meta property="og:url" content="' . esc_url($url) . '">' . "\n";
        echo '<meta property="og:image" content="' . esc_url($image) . '">' . "\n";
        echo '<meta property="og:site_name" content="Zoyi Vietnam">' . "\n";
        echo '<meta name="twitter:card" content="summary_large_image">' . "\n";
        echo '<meta name="twitter:title" content="' . esc_attr($title) . '">' . "\n";
        echo '<meta name="twitter:description" content="' . esc_attr($desc) . '">' . "\n";
    } elseif (is_front_page()) {
        echo '<meta property="og:type" content="website">' . "\n";
        echo '<meta property="og:title" content="Zoyi Việt Nam - Đồng Hồ Vạn Năng Chính Hãng">' . "\n";
        echo '<meta property="og:description" content="Zoyi.vn - Đồng hồ vạn năng và thiết bị đo lường điện chính hãng chất lượng cao.">' . "\n";
        echo '<meta property="og:url" content="https://zoyi.vn/">' . "\n";
        echo '<meta property="og:image" content="https://zoyi.vn/wp-content/uploads/2021/08/favicon.png">' . "\n";
        echo '<meta property="og:site_name" content="Zoyi Vietnam">' . "\n";
    }
}
add_action('wp_head', 'zoyi_og_tags', 2);

// === 8. Title Fix for Flatsome Theme ===
function zoyi_fix_title($title_parts) {
    if (is_front_page() || is_home()) {
        $title_parts['title'] = 'Zoyi Việt Nam — Đồng Hồ Vạn Năng Chính Hãng, Giá Tốt';
    } elseif (is_single()) {
        $title_parts['title'] = get_the_title() . ' | Zoyi Vietnam';
    } elseif (is_page()) {
        $title_parts['title'] = get_the_title() . ' | Zoyi Vietnam';
    }
    return $title_parts;
}
add_filter('document_title_parts', 'zoyi_fix_title', 20);

// === 9. FAQPage Schema for posts with FAQ sections ===
function zoyi_faq_schema() {
    if (is_single()) {
        global $post;
        $content = $post->post_content;
        if (strpos($content, 'Câu hỏi thường gặp') !== false || strpos($content, 'FAQ') !== false) {
            preg_match_all('/<h[23][^>]*>(.*?)<\/h[23]>\s*(?:<p[^>]*>)?(.*?)(?=<h[23]|<\/div|$)/si', $content, $matches, PREG_SET_ORDER);
            $items = array();
            foreach ($matches as $m) {
                $q = trim(strip_tags($m[1]));
                $a = trim(strip_tags($m[2]));
                if (strlen($q) > 10 && strlen($a) > 20 && (strpos($q, '?') !== false || stripos($q, 'là gì') !== false || stripos($q, 'cách') !== false)) {
                    $items[] = array('@type' => 'Question', 'name' => $q, 'acceptedAnswer' => array('@type' => 'Answer', 'text' => $a));
                }
            }
            if (count($items) >= 2) {
                $faq = array('@context' => 'https://schema.org', '@type' => 'FAQPage', 'mainEntity' => array_slice($items, 0, 10));
                echo '<script type="application/ld+json">' . json_encode($faq, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . '</script>' . "\n";
            }
        }
    }
}
add_action('wp_head', 'zoyi_faq_schema', 7);
// === 8. Open Graph Tags ===
function zoyi_og_tags() {
    if (is_singular()) {
        global $post;
        $title = get_the_title();
        $desc = trim(wp_strip_all_tags(get_the_excerpt($post)));
        if (empty($desc)) {
            $desc = trim(wp_strip_all_tags(wp_trim_words($post->post_content, 30, '...')));
        }
        $url = get_permalink();
        $image = has_post_thumbnail() ? get_the_post_thumbnail_url($post, 'large') : 'https://zoyi.vn/wp-content/uploads/2021/08/favicon.png';
        echo '<meta property="og:type" content="' . (is_product() ? 'product' : 'article') . '">' . "\n";
        echo '<meta property="og:title" content="' . esc_attr($title) . '">' . "\n";
        echo '<meta property="og:description" content="' . esc_attr($desc) . '">' . "\n";
        echo '<meta property="og:url" content="' . esc_url($url) . '">' . "\n";
        echo '<meta property="og:image" content="' . esc_url($image) . '">' . "\n";
        echo '<meta property="og:site_name" content="Zoyi Vietnam">' . "\n";
        echo '<meta name="twitter:card" content="summary_large_image">' . "\n";
        echo '<meta name="twitter:title" content="' . esc_attr($title) . '">' . "\n";
        echo '<meta name="twitter:description" content="' . esc_attr($desc) . '">' . "\n";
    } elseif (is_front_page()) {
        echo '<meta property="og:type" content="website">' . "\n";
        echo '<meta property="og:title" content="Zoyi Việt Nam - Đồng Hồ Vạn Năng Chính Hãng">' . "\n";
        echo '<meta property="og:description" content="Zoyi.vn - Đồng hồ vạn năng và thiết bị đo lường điện chính hãng chất lượng cao.">' . "\n";
        echo '<meta property="og:url" content="https://zoyi.vn/">' . "\n";
        echo '<meta property="og:image" content="https://zoyi.vn/wp-content/uploads/2021/08/favicon.png">' . "\n";
        echo '<meta property="og:site_name" content="Zoyi Vietnam">' . "\n";
    }
}
add_action('wp_head', 'zoyi_og_tags', 2);

// === 9. Title Fix for Flatsome ===
function zoyi_fix_title($title_parts) {
    if (is_front_page() || is_home()) {
        $title_parts['title'] = 'Zoyi Việt Nam - Đồng Hồ Vạn Năng Chính Hãng, Giá Tốt';
    } elseif (is_single()) {
        $title_parts['title'] = get_the_title() . ' | Zoyi Vietnam';
    } elseif (is_page()) {
        $title_parts['title'] = get_the_title() . ' | Zoyi Vietnam';
    }
    return $title_parts;
}
add_filter('document_title_parts', 'zoyi_fix_title', 20);