functions.php

<?php
/**
 * Modul8 Theme Functions
 * 
 * @package Modul8
 * @since 1.0.0
 */

// Prevent direct access
if (!defined('ABSPATH')) {
    exit;
}

// Theme constants
define('MODUL8_THEME_VERSION', '1.0.1');
define('MODUL8_THEME_URI', get_template_directory_uri());
define('MODUL8_THEME_PATH', get_template_directory());

// Theme setup
function modul8_theme_setup() {
    // Add theme support
    add_theme_support('post-thumbnails');
    add_theme_support('title-tag');
    add_theme_support('custom-logo');
    add_theme_support('responsive-embeds');
    add_theme_support('html5', array(
        'search-form',
        'comment-form',
        'comment-list',
        'gallery',
        'caption',
    ));

    // Register navigation menus
    register_nav_menus(array(
        'primary' => esc_html__('Primary Menu', 'modul8'),
        'footer' => esc_html__('Footer Menu', 'modul8'),
        'mobile' => esc_html__('Mobile Menu', 'modul8'),
    ));

    // Add custom image sizes
    add_image_size('modul8-hero', 1920, 1080, true);
    add_image_size('modul8-service', 600, 400, true);
    add_image_size('modul8-case-study', 800, 600, true);
    
    // Mobile-optimized image sizes
    add_image_size('modul8-mobile-hero', 768, 432, true);
    add_image_size('modul8-mobile-service', 300, 200, true);
    add_image_size('modul8-mobile-case-study', 400, 300, true);
}
add_action('after_setup_theme', 'modul8_theme_setup');

// Enqueue scripts and styles
function modul8_theme_scripts() {
    // Enqueue styles
    wp_enqueue_style('modul8-style', get_stylesheet_uri(), array(), MODUL8_THEME_VERSION);
    wp_enqueue_style('modul8-custom', MODUL8_THEME_URI . '/assets/css/custom.css', array(), MODUL8_THEME_VERSION);
    wp_enqueue_style('modul8-widgets', MODUL8_THEME_URI . '/assets/css/widgets.css', array(), MODUL8_THEME_VERSION);
    
    // Enqueue FontAwesome with fallback
    wp_enqueue_style('font-awesome', 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css', array(), '6.5.1');
    wp_enqueue_style('font-awesome-fallback', 'https://use.fontawesome.com/releases/v6.5.1/css/all.css', array(), '6.5.1');
    
    // Enqueue scripts
    wp_enqueue_script('modul8-main', MODUL8_THEME_URI . '/assets/js/main.js', array('jquery'), MODUL8_THEME_VERSION, true);
    
    // Localize script for AJAX
    wp_localize_script('modul8-main', 'modul8_ajax', array(
        'ajax_url' => admin_url('admin-ajax.php'),
        'nonce' => wp_create_nonce('modul8_nonce')
    ));
}
add_action('wp_enqueue_scripts', 'modul8_theme_scripts');

// Enable SVG uploads and support
function modul8_enable_svg_upload($mimes) {
    $mimes['svg'] = 'image/svg+xml';
    return $mimes;
}
add_filter('upload_mimes', 'modul8_enable_svg_upload');

// Fix SVG display in media library
function modul8_fix_svg_display() {
    echo '<style>
        .attachment-266x266, .thumbnail img {
            width: 100% !important;
            height: auto !important;
        }
        
        .media-icon img[src$=".svg"] { 
            width: 100% !important; 
            height: auto !important; 
        }
    </style>';
}
add_action('admin_head', 'modul8_fix_svg_display');

// Sanitize SVG uploads
function modul8_sanitize_svg($file, $filename, $mimes) {
    $filetype = wp_check_filetype($filename, $mimes);
    
    if ($filetype['ext'] === 'svg') {
        $file['type'] = 'image/svg+xml';
    }
    
    return $file;
}
add_filter('wp_check_filetype_and_ext', 'modul8_sanitize_svg', 10, 3);

// Enable SVG preview in media library
function modul8_svg_media_thumbnails($response, $attachment, $meta) {
    if ($response['type'] === 'image' && $response['subtype'] === 'svg+xml' && class_exists('SimpleXMLElement')) {
        $path = get_attached_file($attachment->ID);
        if (@file_exists($path)) {
            $svg = @file_get_contents($path);
            if ($svg !== false) {
                $response['image'] = array(
                    'src' => $response['url'],
                );
                $response['thumb'] = array(
                    'src' => $response['url'],
                );
                
                // Set full size
                $response['sizes'] = array(
                    'full' => array(
                        'url' => $response['url'],
                        'width' => 150,
                        'height' => 150,
                        'orientation' => 'landscape'
                    )
                );
            }
        }
    }
    
    return $response;
}
add_filter('wp_prepare_attachment_for_js', 'modul8_svg_media_thumbnails', 10, 3);

// Elementor support
function modul8_elementor_support() {
    // Check if Elementor is installed and active
    if (!did_action('elementor/loaded')) {
        return;
    }
    
    // Add Elementor support
    add_theme_support('elementor');
    
    // Add support for Elementor Pro features if Pro is active
    if (defined('ELEMENTOR_PRO_VERSION')) {
        add_theme_support('elementor-pro');
    }
    
    // Disable Elementor default fonts
    add_filter('elementor/frontend/print_google_fonts', '__return_false');
    
    // Enable SVG support in Elementor
    add_filter('elementor/utils/get_the_archive_titles', '__return_false');
}
add_action('after_setup_theme', 'modul8_elementor_support');

// Allow SVG in Elementor media uploads
function modul8_elementor_svg_support() {
    // Enable SVG for Elementor media control
    add_filter('elementor/core/editor/editor_templates/editor-wrapper', function($template) {
        return str_replace('accept="image/*"', 'accept="image/*,.svg"', $template);
    });
}
add_action('elementor/init', 'modul8_elementor_svg_support');

// Register Elementor locations (only if Elementor is active)
function modul8_register_elementor_locations($elementor_theme_manager) {
    if (!class_exists('\Elementor\Core\Kits\Documents\Kit')) {
        return;
    }
    
    $elementor_theme_manager->register_location('header');
    $elementor_theme_manager->register_location('footer'); 
    $elementor_theme_manager->register_location('single');
    $elementor_theme_manager->register_location('archive');
}
add_action('elementor/theme/register_locations', 'modul8_register_elementor_locations');

// Custom post types - currently empty but can be extended as needed
function modul8_custom_post_types() {
    // Custom post types can be added here when needed
}
add_action('init', 'modul8_custom_post_types');

// Flush rewrite rules after removing custom post types (temporary - remove after first load)
function modul8_flush_rewrite_rules_once() {
    if (get_option('modul8_flush_rewrite_rules') !== 'flushed_v2') {
        flush_rewrite_rules(true); // Hard flush
        update_option('modul8_flush_rewrite_rules', 'flushed_v2');
    }
}
add_action('init', 'modul8_flush_rewrite_rules_once', 999);

// Add custom fields support
function modul8_acf_fields() {
    if (function_exists('acf_add_local_field_group')) {
        // Custom field groups can be added here when needed
    }
}
add_action('acf/init', 'modul8_acf_fields');

// Theme customizer
function modul8_customize_register($wp_customize) {
    // Site identity section
    $wp_customize->add_section('modul8_identity', array(
        'title' => 'Modul8 Settings',
        'priority' => 30,
    ));

    // CTA Button Text
    $wp_customize->add_setting('modul8_cta_text', array(
        'default' => 'Get In Touch',
        'sanitize_callback' => 'sanitize_text_field',
    ));
    $wp_customize->add_control('modul8_cta_text', array(
        'label' => 'CTA Button Text',
        'section' => 'modul8_identity',
        'type' => 'text',
    ));

    // Contact Email
    $wp_customize->add_setting('modul8_contact_email', array(
        'default' => 'hello@modul8.dev',
        'sanitize_callback' => 'sanitize_email',
    ));
    $wp_customize->add_control('modul8_contact_email', array(
        'label' => 'Contact Email',
        'section' => 'modul8_identity',
        'type' => 'email',
    ));

    // Logo Width
    $wp_customize->add_setting('modul8_logo_width', array(
        'default' => '120',
        'sanitize_callback' => 'absint',
    ));
    $wp_customize->add_control('modul8_logo_width', array(
        'label' => 'Logo Width (px)',
        'section' => 'modul8_identity',
        'type' => 'number',
        'input_attrs' => array(
            'min' => 50,
            'max' => 500,
            'step' => 1,
        ),
    ));

    // Logo Height
    $wp_customize->add_setting('modul8_logo_height', array(
        'default' => '40',
        'sanitize_callback' => 'absint',
    ));
    $wp_customize->add_control('modul8_logo_height', array(
        'label' => 'Logo Height (px)',
        'section' => 'modul8_identity',
        'type' => 'number',
        'input_attrs' => array(
            'min' => 20,
            'max' => 200,
            'step' => 1,
        ),
    ));
}
add_action('customize_register', 'modul8_customize_register');

// Widget areas
function modul8_widgets_init() {
    register_sidebar(array(
        'name' => 'Footer Widget Area 1',
        'id' => 'footer-1',
        'before_widget' => '<div class="widget %2$s">',
        'after_widget' => '</div>',
        'before_title' => '<h4 class="widget-title">',
        'after_title' => '</h4>',
    ));

    register_sidebar(array(
        'name' => 'Footer Widget Area 2',
        'id' => 'footer-2',
        'before_widget' => '<div class="widget %2$s">',
        'after_widget' => '</div>',
        'before_title' => '<h4 class="widget-title">',
        'after_title' => '</h4>',
    ));
}
add_action('widgets_init', 'modul8_widgets_init');

// Include theme files safely
function modul8_include_theme_files() {
    // Include simple theme setup functions
    $setup_file = get_template_directory() . '/inc/simple-setup.php';
    if (file_exists($setup_file)) {
        require_once $setup_file;
    }
    
    // Include Elementor support
    $elementor_support_file = get_template_directory() . '/inc/elementor-support.php';
    if (file_exists($elementor_support_file)) {
        require_once $elementor_support_file;
    }

    // Include admin guide
    $admin_file = get_template_directory() . '/inc/admin-guide.php';
    if (file_exists($admin_file)) {
        require_once $admin_file;
    }
}
add_action('after_setup_theme', 'modul8_include_theme_files');

// Include Elementor extensions after Elementor is loaded
function modul8_load_elementor_extensions() {
    if (did_action('elementor/loaded')) {
        $elementor_file = get_template_directory() . '/elementor-templates/elementor-extensions.php';
        if (file_exists($elementor_file)) {
            require_once $elementor_file;
            // Initialize the extensions class
            if (class_exists('Modul8_Elementor_Extensions')) {
                new Modul8_Elementor_Extensions();
            }
        }
    }
}
add_action('init', 'modul8_load_elementor_extensions');

// AJAX Handlers
function modul8_contact_form_handler() {
    // Check if it's an AJAX request or regular form submission
    $is_ajax = defined('DOING_AJAX') && DOING_AJAX;
    
    // Enhanced debugging - log which handler is being called
    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('=== MODUL8 MAIN CONTACT FORM HANDLER CALLED ===');
        error_log('Request type: ' . ($is_ajax ? 'AJAX' : 'Regular POST'));
        error_log('POST data: ' . print_r($_POST, true));
    }
    
    // Get data from POST
    $nonce = isset($_POST['modul8_contact_form_nonce']) ? $_POST['modul8_contact_form_nonce'] : '';
    $name = isset($_POST['name']) ? sanitize_text_field($_POST['name']) : '';
    $email = isset($_POST['email']) ? sanitize_email($_POST['email']) : '';
    $company = isset($_POST['company']) ? sanitize_text_field($_POST['company']) : '';
    $project = isset($_POST['project']) ? sanitize_textarea_field($_POST['project']) : '';
    $agree = isset($_POST['agree']) ? true : false;
    
    // Get recipient email from form data or default
    $recipient_email = isset($_POST['recipient_email']) ? sanitize_email($_POST['recipient_email']) : '';
    $success_message = isset($_POST['success_message']) ? sanitize_text_field($_POST['success_message']) : '';
    
    // Debug logging
    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('Contact form submission - Name: ' . $name . ', Email: ' . $email . ', Company: ' . $company . ', Agree: ' . ($agree ? 'yes' : 'no') . ', AJAX: ' . ($is_ajax ? 'yes' : 'no'));
        error_log('Recipient: ' . $recipient_email . ', Success message: ' . $success_message);
    }
    
    // Verify nonce
    if (!$nonce || !wp_verify_nonce($nonce, 'modul8_contact_form')) {
        if ($is_ajax) {
            wp_send_json_error('Security check failed');
        } else {
            wp_die('Security check failed. Please refresh the page and try again.');
        }
        return;
    }
    
    // Validate required fields (including the agree checkbox for Elementor forms)
    if (empty($name) || empty($email) || empty($project)) {
        $error_msg = 'Please fill in all required fields.';
        if ($is_ajax) {
            wp_send_json_error($error_msg);
        } else {
            wp_die($error_msg . ' <a href="javascript:history.back()">Go back</a>');
        }
        return;
    }
    
    // Check agreement checkbox if it's present in the form
    if (isset($_POST['agree']) && !$agree) {
        $error_msg = 'Please agree to the terms and conditions.';
        if ($is_ajax) {
            wp_send_json_error($error_msg);
        } else {
            wp_die($error_msg . ' <a href="javascript:history.back()">Go back</a>');
        }
        return;
    }
    
    // Validate email
    if (!is_email($email)) {
        $error_msg = 'Please enter a valid email address.';
        if ($is_ajax) {
            wp_send_json_error($error_msg);
        } else {
            wp_die($error_msg . ' <a href="javascript:history.back()">Go back</a>');
        }
        return;
    }

    // Prepare email
    $to = !empty($recipient_email) ? $recipient_email : get_theme_mod('modul8_contact_email', 'hello@modul8.dev');
    $subject = 'New Contact Form Submission from ' . $name;
    
    // Create HTML email body
    $body = '<h3>New Contact Form Submission</h3>';
    $body .= '<p><strong>Name:</strong> ' . esc_html($name) . '</p>';
    $body .= '<p><strong>Email:</strong> ' . esc_html($email) . '</p>';
    $body .= '<p><strong>Company:</strong> ' . esc_html($company) . '</p>';
    $body .= '<p><strong>Project Description:</strong></p>';
    $body .= '<p>' . nl2br(esc_html($project)) . '</p>';
    
    // Set headers
    $headers = array(
        'Content-Type: text/html; charset=UTF-8',
        'From: ' . get_bloginfo('name') . ' <' . (defined('SMTP_FROM_EMAIL') ? SMTP_FROM_EMAIL : 'noreply@' . $_SERVER['HTTP_HOST']) . '>',
        'Reply-To: ' . $name . ' <' . $email . '>'
    );

    // Send email
    $sent = wp_mail($to, $subject, $body, $headers);
    
    // Enhanced email debugging
    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('Email send attempt details:');
        error_log('- To: ' . $to);
        error_log('- Subject: ' . $subject);
        error_log('- Headers: ' . print_r($headers, true));
        error_log('- Body length: ' . strlen($body));
        error_log('- wp_mail result: ' . ($sent ? 'SUCCESS' : 'FAILED'));
        
        // Check if PHPMailer has any errors
        global $phpmailer;
        if (is_object($phpmailer) && !empty($phpmailer->ErrorInfo)) {
            error_log('- PHPMailer Error: ' . $phpmailer->ErrorInfo);
        }
    }
    
    // Log email attempt
    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('Email send attempt - To: ' . $to . ', Result: ' . ($sent ? 'success' : 'failed'));
    }

    if ($sent) {
        $success_msg = !empty($success_message) ? $success_message : 'Message sent successfully! We\'ll get back to you soon.';
        if ($is_ajax) {
            wp_send_json_success($success_msg);
        } else {
            wp_die('✅ ' . $success_msg . ' <a href="' . home_url() . '">Return to homepage</a>');
        }
    } else {
        $error_msg = 'Failed to send message. Please try again or contact us directly.';
        if ($is_ajax) {
            wp_send_json_error($error_msg);
        } else {
            wp_die('❌ ' . $error_msg . ' <a href="javascript:history.back()">Go back</a>');
        }
    }
}
add_action('wp_ajax_modul8_contact_form', 'modul8_contact_form_handler');
add_action('wp_ajax_nopriv_modul8_contact_form', 'modul8_contact_form_handler');

// Handle regular form submissions (non-AJAX)
function modul8_handle_regular_contact_form() {
    if (isset($_POST['action']) && $_POST['action'] === 'modul8_contact_form' && !defined('DOING_AJAX')) {
        modul8_contact_form_handler();
    }
}
add_action('init', 'modul8_handle_regular_contact_form');

// Debug form submission
function modul8_debug_form_submission() {
    if (isset($_GET['debug_form']) && current_user_can('administrator')) {
        echo '<h3>Form Debug Information</h3>';
        echo '<pre>';
        echo 'POST Data:' . "\n";
        print_r($_POST);
        echo "\n" . 'GET Data:' . "\n";
        print_r($_GET);
        echo "\n" . 'REQUEST_METHOD: ' . $_SERVER['REQUEST_METHOD'] . "\n";
        echo 'DOING_AJAX: ' . (defined('DOING_AJAX') && DOING_AJAX ? 'Yes' : 'No') . "\n";
        echo 'Current URL: ' . $_SERVER['REQUEST_URI'] . "\n";
        echo '</pre>';
        
        // If this is a form submission, process it
        if (isset($_POST['action']) && $_POST['action'] === 'modul8_contact_form') {
            echo '<h4>Processing form submission...</h4>';
            modul8_contact_form_handler();
        }
        
        // Create a test form for manual testing
        ?>
        <div style="background: #f0f0f0; padding: 20px; margin: 20px 0; border-radius: 5px;">
            <h4>Test Form (for debugging)</h4>
            <form method="post" action="">
                <?php wp_nonce_field('modul8_contact_form', 'modul8_contact_form_nonce'); ?>
                <input type="hidden" name="action" value="modul8_contact_form">
                <p><label>Name: <input type="text" name="name" value="Test User" required></label></p>
                <p><label>Email: <input type="email" name="email" value="test@example.com" required></label></p>
                <p><label>Company: <input type="text" name="company" value="Test Company"></label></p>
                <p><label>Project: <textarea name="project" required>This is a test message.</textarea></label></p>
                <p><input type="submit" value="Test Submit"></p>
            </form>
        </div>
        <?php
        
        wp_die();
    }
}
add_action('init', 'modul8_debug_form_submission');

// Newsletter signup handler
function modul8_newsletter_signup_handler() {
    // Verify nonce
    if (!wp_verify_nonce($_POST['modul8_contact_form_nonce'], 'modul8_contact_form')) {
        wp_die('Security check failed');
    }

    $email = sanitize_email($_POST['email']);
    
    // Here you can integrate with your email service (MailChimp, ConvertKit, etc.)
    // For now, we'll just store it in the database
    $subscribers = get_option('modul8_newsletter_subscribers', array());
    if (!in_array($email, $subscribers)) {
        $subscribers[] = $email;
        update_option('modul8_newsletter_subscribers', $subscribers);
        wp_send_json_success('Subscribed successfully');
    } else {
        wp_send_json_error('Already subscribed');
    }
}
add_action('wp_ajax_modul8_newsletter_signup', 'modul8_newsletter_signup_handler');
add_action('wp_ajax_nopriv_modul8_newsletter_signup', 'modul8_newsletter_signup_handler');

function category_filter_buttons_shortcode() {
    $categories = get_categories(array(
        'hide_empty' => false
    ));

    if (empty($categories)) {
        return '<p>No categories found.</p>';
    }

    // Get current category if we're on a category page
    $current_category = null;
    if (is_category()) {
        $current_category = get_queried_object();
    }

    // Debug: Check what page we're on
    $debug_info = '';
    if (defined('WP_DEBUG') && WP_DEBUG) {
        $debug_info = '<!-- Debug: is_category=' . (is_category() ? 'true' : 'false') . 
                     ', is_home=' . (is_home() ? 'true' : 'false') . 
                     ', is_page_blog=' . (is_page('blog') ? 'true' : 'false') . 
                     ', current_cat=' . ($current_category ? $current_category->term_id : 'none') . ' -->';
    }

    ob_start();
    ?>
    <?php echo $debug_info; ?>
    <div class="category-filter-buttons">
        <?php 
        // Add 'active' class to All button if we're on blog home, blog page, or single post (but not category)
        $all_active = (!is_category() && (is_home() || is_page('blog') || is_single())) ? ' active' : '';
        ?>
        <a href="/blog/" class="filter-button all-button<?php echo $all_active; ?>">All</a>
        <?php foreach ($categories as $category) : ?>
            <?php 
            // Add 'active' class if this is the current category
            $cat_active = ($current_category && $current_category->term_id == $category->term_id) ? ' active' : '';
            ?>
            <a href="<?php echo esc_url(get_category_link($category->term_id)); ?>" class="filter-button<?php echo $cat_active; ?>">
                <?php echo esc_html($category->name); ?>
            </a>
        <?php endforeach; ?>
    </div>
    <?php
    return ob_get_clean();
}
add_shortcode('category_filter_buttons', 'category_filter_buttons_shortcode');

// Include additional theme files
require_once get_template_directory() . '/inc/page-creator.php';

// Mobile detection utility function
function modul8_is_mobile() {
    return wp_is_mobile();
}

// Get responsive image sizes based on device
function modul8_get_responsive_image_size($base_size = 'medium') {
    if (modul8_is_mobile()) {
        switch ($base_size) {
            case 'modul8-hero':
                return 'modul8-mobile-hero';
            case 'modul8-service':
                return 'modul8-mobile-service';
            case 'modul8-case-study':
                return 'modul8-mobile-case-study';
            default:
                return 'medium';
        }
    }
    return $base_size;
}

// Add mobile-specific body classes
function modul8_mobile_body_classes($classes) {
    if (modul8_is_mobile()) {
        $classes[] = 'is-mobile';
    }
    return $classes;
}
add_filter('body_class', 'modul8_mobile_body_classes');

/**
 * SMTP Configuration for Email Delivery
 * Configure your SMTP settings below
 */

// SMTP Configuration Function
function modul8_configure_smtp($phpmailer) {
    $phpmailer->isSMTP();
    
    // Gmail SMTP Settings
    $phpmailer->Host       = 'smtp.gmail.com'; // Gmail SMTP server
    $phpmailer->SMTPAuth   = true;
    $phpmailer->Port       = 587; // SMTP port for TLS
    $phpmailer->SMTPSecure = 'tls'; // Encryption type
    
    // SMTP Credentials - Read from wp-config.php constants for security
    $phpmailer->Username   = defined('SMTP_USERNAME') ? SMTP_USERNAME : 'zdravko.modul8@gmail.com';
    $phpmailer->Password   = defined('SMTP_PASSWORD') ? SMTP_PASSWORD : 'your-app-password';
    
    // Sender settings
    $phpmailer->From       = defined('SMTP_FROM_EMAIL') ? SMTP_FROM_EMAIL : 'zdravko.modul8@gmail.com';
    $phpmailer->FromName   = defined('SMTP_FROM_NAME') ? SMTP_FROM_NAME : 'Modul8 Contact Form';
    
    // Additional settings for Gmail
    $phpmailer->SMTPDebug  = 0; // Set to 2 for debugging, 0 for production
    $phpmailer->Timeout    = 30;
    $phpmailer->SMTPKeepAlive = true;
    $phpmailer->CharSet    = 'UTF-8';
    
    // Gmail specific settings
    $phpmailer->SMTPOptions = array(
        'ssl' => array(
            'verify_peer' => false,
            'verify_peer_name' => false,
            'allow_self_signed' => true
        )
    );
}

// Apply SMTP configuration to WordPress mailer
add_action('phpmailer_init', 'modul8_configure_smtp');

/**
 * Test Email Function - Add ?test_email=1 to any page URL to test
 */
function modul8_test_email() {
    if (isset($_GET['test_email']) && $_GET['test_email'] == '1' && current_user_can('administrator')) {
        $to = 'info@modul8.dev';
        $subject = 'SMTP Test Email from Modul8';
        $message = 'This is a test email to verify SMTP configuration is working correctly.';
        $headers = array('Content-Type: text/html; charset=UTF-8');
        
        $sent = wp_mail($to, $subject, $message, $headers);
        
        if ($sent) {
            wp_die('✅ Test email sent successfully! Check your inbox at ' . $to);
        } else {
            wp_die('❌ Test email failed to send. Check your SMTP configuration.');
        }
    }
}
add_action('init', 'modul8_test_email');

/**
 * Enhanced error logging for email issues
 */
function modul8_log_email_errors($wp_error) {
    if (WP_DEBUG && WP_DEBUG_LOG) {
        error_log('WordPress Mail Error: ' . $wp_error->get_error_message());
    }
}
add_action('wp_mail_failed', 'modul8_log_email_errors');

// Force enable Application Passwords (for debugging)
add_filter('wp_is_application_passwords_available', '__return_true');
add_filter('wp_is_application_passwords_available_for_user', '__return_true');

// Debug Application Passwords availability
function modul8_debug_app_passwords() {
    if (isset($_GET['debug_app_passwords']) && current_user_can('administrator')) {
        echo '<pre>';
        echo 'WordPress Version: ' . get_bloginfo('version') . "\n";
        echo 'HTTPS: ' . (is_ssl() ? 'Yes' : 'No') . "\n";
        echo 'Application Passwords Available: ' . (wp_is_application_passwords_available() ? 'Yes' : 'No') . "\n";
        echo 'Application Passwords Available for User: ' . (wp_is_application_passwords_available_for_user(get_current_user_id()) ? 'Yes' : 'No') . "\n";
        echo 'WP_APPLICATION_PASSWORDS constant: ' . (defined('WP_APPLICATION_PASSWORDS') ? (WP_APPLICATION_PASSWORDS ? 'true' : 'false') : 'undefined') . "\n";
        echo '</pre>';
        wp_die();
    }
}
add_action('init', 'modul8_debug_app_passwords');