Viên ngọc phương Đông

<?php
/**
 * Innovative Equipment Theme Functions
 */

// ===== THEME SETUP =====
function ie_theme_setup() {
    add_theme_support('title-tag');
    add_theme_support('post-thumbnails');
    add_theme_support('custom-logo', array(
        'height'      => 80,
        'width'       => 250,
        'flex-height' => true,
        'flex-width'  => true,
    ));
    add_theme_support('html5', array('search-form', 'comment-list', 'gallery', 'caption'));

register_nav_menus(array(
        'primary'    => __('Primary Menu', 'innovative-equip'),
        'footer'     => __('Footer Menu', 'innovative-equip'),
    ));

add_image_size('product-thumb', 400, 400, true);
    add_image_size('product-large', 800, 800, false);
    add_image_size('category-thumb', 600, 400, true);
}
add_action('after_setup_theme', 'ie_theme_setup');

// ===== ENQUEUE STYLES & SCRIPTS =====
function ie_enqueue_assets() {
    wp_enqueue_style('google-fonts', 'https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap', array(), null);
    wp_enqueue_style('ie-style', get_stylesheet_uri(), array('google-fonts'), '1.0.0');

wp_enqueue_script('ie-main', get_template_directory_uri() . '/js/main.js', array(), '1.0.0', true);

wp_localize_script('ie-main', 'ieAjax', array(
        'ajaxurl' => admin_url('admin-ajax.php'),
        'nonce'   => wp_create_nonce('ie_form_nonce'),
    ));
}
add_action('wp_enqueue_scripts', 'ie_enqueue_assets');

// ===== CUSTOM POST TYPE: PRODUCT =====
function ie_register_product_cpt() {
    $labels = array(
        'name'               => 'Products',
        'singular_name'      => 'Product',
        'menu_name'          => 'Products',
        'add_new'            => 'Add New Product',
        'add_new_item'       => 'Add New Product',
        'edit_item'          => 'Edit Product',
        'new_item'           => 'New Product',
        'view_item'          => 'View Product',
        'search_items'       => 'Search Products',
        'not_found'          => 'No products found',
        'not_found_in_trash' => 'No products found in trash',
    );

$args = array(
        'labels'             => $labels,
        'public'             => true,
        'publicly_queryable' => true,
        'show_ui'            => true,
        'show_in_menu'       => true,
        'show_in_rest'       => true,
        'query_var'          => true,
        'rewrite'            => array('slug' => 'product'),
        'capability_type'    => 'post',
        'has_archive'        => true,
        'hierarchical'       => false,
        'menu_position'      => 5,
        'menu_icon'          => 'dashicons-products',
        'supports'           => array('title', 'editor', 'thumbnail', 'excerpt'),
    );

register_post_type('product', $args);
}
add_action('init', 'ie_register_product_cpt');

// ===== CUSTOM TAXONOMY: PRODUCT CATEGORY =====
function ie_register_product_taxonomy() {
    $labels = array(
        'name'              => 'Product Categories',
        'singular_name'     => 'Product Category',
        'search_items'      => 'Search Categories',
        'all_items'         => 'All Categories',
        'parent_item'       => 'Parent Category',
        'parent_item_colon' => 'Parent Category:',
        'edit_item'         => 'Edit Category',
        'update_item'       => 'Update Category',
        'add_new_item'      => 'Add New Category',
        'new_item_name'     => 'New Category Name',
        'menu_name'         => 'Categories',
    );

$args = array(
        'hierarchical'      => true,
        'labels'            => $labels,
        'show_ui'           => true,
        'show_in_rest'      => true,
        'show_admin_column' => true,
        'query_var'         => true,
        'rewrite'           => array('slug' => 'product-category'),
    );

register_taxonomy('product_category', array('product'), $args);
}
add_action('init', 'ie_register_product_taxonomy');

// ===== PRODUCT META BOXES =====
function ie_add_product_meta_boxes() {
    add_meta_box(
        'ie_product_details',
        'Product Details',
        'ie_product_details_callback',
        'product',
        'normal',
        'high'
    );
}
add_action('add_meta_boxes', 'ie_add_product_meta_boxes');

function ie_product_details_callback($post) {
    wp_nonce_field('ie_product_details', 'ie_product_details_nonce');
    $part_number = get_post_meta($post->ID, '_ie_part_number', true);
    $short_desc  = get_post_meta($post->ID, '_ie_short_description', true);
    ?>
    <table class="form-table">
        <tr>
            <th><label for="ie_part_number">Part Number / SKU</label></th>
            <td><input type="text" id="ie_part_number" name="ie_part_number" value="<?php echo esc_attr($part_number); ?>" class="regular-text" placeholder="e.g. 200.30645"></td>
        </tr>
        <tr>
            <th><label for="ie_short_description">Short Description</label></th>
            <td><textarea id="ie_short_description" name="ie_short_description" rows="3" class="large-text" placeholder="Brief description for catalog cards"><?php echo esc_textarea($short_desc); ?></textarea></td>
        </tr>
    </table>
    <?php
}

function ie_save_product_details($post_id) {
    if (!isset($_POST['ie_product_details_nonce']) || !wp_verify_nonce($_POST['ie_product_details_nonce'], 'ie_product_details')) return;
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) return;
    if (!current_user_can('edit_post', $post_id)) return;

if (isset($_POST['ie_part_number'])) {
        update_post_meta($post_id, '_ie_part_number', sanitize_text_field($_POST['ie_part_number']));
    }
    if (isset($_POST['ie_short_description'])) {
        update_post_meta($post_id, '_ie_short_description', sanitize_textarea_field($_POST['ie_short_description']));
    }
}
add_action('save_post_product', 'ie_save_product_details');

// ===== AJAX: SUPPLY ASAP FORM =====
function ie_handle_supply_asap() {
    check_ajax_referer('ie_form_nonce', 'nonce');

$name     = sanitize_text_field($_POST['name'] ?? '');
    $email    = sanitize_email($_POST['email'] ?? '');
    $phone    = sanitize_text_field($_POST['phone'] ?? '');
    $company  = sanitize_text_field($_POST['company'] ?? '');
    $product  = sanitize_text_field($_POST['product_name'] ?? '');
    $part_no  = sanitize_text_field($_POST['part_number'] ?? '');
    $quantity = sanitize_text_field($_POST['quantity'] ?? '');
    $address  = sanitize_textarea_field($_POST['address'] ?? '');
    $notes    = sanitize_textarea_field($_POST['notes'] ?? '');

if (empty($name) || empty($email) || empty($phone)) {
        wp_send_json_error('Please fill in all required fields.');
    }

$to = 'brad@thecomputerdoctor.co.nz';
    $subject = 'Supply ASAP Request: ' . $product;
    $headers = array('Content-Type: text/html; charset=UTF-8', 'Reply-To: ' . $name . ' <' . $email . '>');
    $body = "
        <h2>Supply ASAP Request</h2>
        <table style='border-collapse:collapse;width:100%'>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Product</td><td style='padding:8px;border:1px solid #ddd'>{$product}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Part Number</td><td style='padding:8px;border:1px solid #ddd'>{$part_no}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Name</td><td style='padding:8px;border:1px solid #ddd'>{$name}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Email</td><td style='padding:8px;border:1px solid #ddd'>{$email}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Phone</td><td style='padding:8px;border:1px solid #ddd'>{$phone}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Company</td><td style='padding:8px;border:1px solid #ddd'>{$company}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Quantity</td><td style='padding:8px;border:1px solid #ddd'>{$quantity}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Delivery Address</td><td style='padding:8px;border:1px solid #ddd'>{$address}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Notes</td><td style='padding:8px;border:1px solid #ddd'>{$notes}</td></tr>
        </table>
    ";

$sent = wp_mail($to, $subject, $body, $headers);
    if ($sent) {
        wp_send_json_success('Your request has been submitted. We will process it ASAP!');
    } else {
        wp_send_json_error('Failed to send. Please call us on 0274 321 966.');
    }
}
add_action('wp_ajax_ie_supply_asap', 'ie_handle_supply_asap');
add_action('wp_ajax_nopriv_ie_supply_asap', 'ie_handle_supply_asap');

// ===== AJAX: GET A QUOTE FORM =====
function ie_handle_get_quote() {
    check_ajax_referer('ie_form_nonce', 'nonce');

$name     = sanitize_text_field($_POST['name'] ?? '');
    $email    = sanitize_email($_POST['email'] ?? '');
    $phone    = sanitize_text_field($_POST['phone'] ?? '');
    $company  = sanitize_text_field($_POST['company'] ?? '');
    $product  = sanitize_text_field($_POST['product_name'] ?? '');
    $part_no  = sanitize_text_field($_POST['part_number'] ?? '');
    $quantity = sanitize_text_field($_POST['quantity'] ?? '');
    $specs    = sanitize_textarea_field($_POST['specifications'] ?? '');

if (empty($name) || empty($email) || empty($phone)) {
        wp_send_json_error('Please fill in all required fields.');
    }

$to = 'brad@thecomputerdoctor.co.nz';
    $subject = 'Quote Request: ' . $product;
    $headers = array('Content-Type: text/html; charset=UTF-8', 'Reply-To: ' . $name . ' <' . $email . '>');
    $body = "
        <h2>Quote Request</h2>
        <table style='border-collapse:collapse;width:100%'>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Product</td><td style='padding:8px;border:1px solid #ddd'>{$product}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Part Number</td><td style='padding:8px;border:1px solid #ddd'>{$part_no}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Name</td><td style='padding:8px;border:1px solid #ddd'>{$name}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Email</td><td style='padding:8px;border:1px solid #ddd'>{$email}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Phone</td><td style='padding:8px;border:1px solid #ddd'>{$phone}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Company</td><td style='padding:8px;border:1px solid #ddd'>{$company}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Quantity</td><td style='padding:8px;border:1px solid #ddd'>{$quantity}</td></tr>
            <tr><td style='padding:8px;border:1px solid #ddd;font-weight:bold'>Specifications/Notes</td><td style='padding:8px;border:1px solid #ddd'>{$specs}</td></tr>
        </table>
    ";

$sent = wp_mail($to, $subject, $body, $headers);
    if ($sent) {
        wp_send_json_success('Your quote request has been submitted. We\'ll be in touch shortly!');
    } else {
        wp_send_json_error('Failed to send. Please call us on 0274 321 966.');
    }
}
add_action('wp_ajax_ie_get_quote', 'ie_handle_get_quote');
add_action('wp_ajax_nopriv_ie_get_quote', 'ie_handle_get_quote');

// ===== AJAX: CONTACT FORM =====
function ie_handle_contact_form() {
    check_ajax_referer('ie_form_nonce', 'nonce');

$name    = sanitize_text_field($_POST['name'] ?? '');
    $email   = sanitize_email($_POST['email'] ?? '');
    $phone   = sanitize_text_field($_POST['phone'] ?? '');
    $message = sanitize_textarea_field($_POST['message'] ?? '');

if (empty($name) || empty($email) || empty($message)) {
        wp_send_json_error('Please fill in all required fields.');
    }

$to = 'brad@thecomputerdoctor.co.nz';
    $subject = 'Website Contact: ' . $name;
    $headers = array('Content-Type: text/html; charset=UTF-8', 'Reply-To: ' . $name . ' <' . $email . '>');
    $body = "
        <h2>Contact Form Inquiry</h2>
        <p><strong>Name:</strong> {$name}</p>
        <p><strong>Email:</strong> {$email}</p>
        <p><strong>Phone:</strong> {$phone}</p>
        <p><strong>Message:</strong></p>
        <p>{$message}</p>
    ";

$sent = wp_mail($to, $subject, $body, $headers);
    if ($sent) {
        wp_send_json_success('Message sent! We\'ll get back to you shortly.');
    } else {
        wp_send_json_error('Failed to send. Please call us on 0274 321 966.');
    }
}
add_action('wp_ajax_ie_contact_form', 'ie_handle_contact_form');
add_action('wp_ajax_nopriv_ie_contact_form', 'ie_handle_contact_form');

// ===== FLUSH REWRITE RULES ON ACTIVATION =====
function ie_rewrite_flush() {
    ie_register_product_cpt();
    ie_register_product_taxonomy();
    flush_rewrite_rules();
}
add_action('after_switch_theme', 'ie_rewrite_flush');

// ===== PRODUCT ARCHIVE SETTINGS =====
function ie_product_archive_settings($query) {
    if (!is_admin() && $query->is_main_query()) {
        if (is_post_type_archive('product') || is_tax('product_category')) {
            $query->set('posts_per_page', 12);
            $query->set('orderby', 'title');
            $query->set('order', 'ASC');
        }
    }
}
add_action('pre_get_posts', 'ie_product_archive_settings');

// ===== EXCERPT LENGTH =====
function ie_excerpt_length($length) {
    return 20;
}
add_filter('excerpt_length', 'ie_excerpt_length');

// ===== HELPER: GET PRODUCT CATEGORIES WITH COUNT =====
function ie_get_product_categories() {
    return get_terms(array(
        'taxonomy'   => 'product_category',
        'hide_empty' => false,
        'orderby'    => 'name',
        'order'      => 'ASC',
    ));
}