// ============================================
// IMAGE SEO CLASS (FIXED)
// ============================================

if (!class_exists('TimesBull_Image_SEO')) {
    class TimesBull_Image_SEO {
        private static $instance = null;
        private $image_count = 0;
        private $featured_image_id = null;
        
        public static function get_instance() {
            if (null === self::$instance) {
                self::$instance = new self();
            }
            return self::$instance;
        }
        
        private function __construct() {
            add_filter('wp_get_attachment_image_attributes', [$this, 'add_image_attributes'], 10, 3);
            add_filter('the_content', [$this, 'auto_add_image_alt']);
            add_action('add_attachment', [$this, 'auto_image_seo']);
            add_action('wp', [$this, 'set_featured_image_id']);
        }
        
        public function set_featured_image_id() {
            if (is_singular()) {
                $this->featured_image_id = get_post_thumbnail_id();
            }
        }
        
        public function add_image_attributes($attr, $attachment, $size) {
            $this->image_count++;
            
            // CRITICAL FIX: Check if this is the featured image
            $is_featured = ($attachment->ID === $this->featured_image_id);
            
            if ($is_featured) {
                // Featured image - ALWAYS eager, ALWAYS high priority
                $attr['loading'] = 'eager';
                $attr['fetchpriority'] = 'high';
                $attr['decoding'] = 'async';
            } elseif ($this->image_count === 1 && !is_admin()) {
                // First non-featured image (e.g., logo)
                $attr['loading'] = 'eager';
                $attr['fetchpriority'] = 'high';
                $attr['decoding'] = 'async';
            } else {
                // All other images - lazy load for performance
                $attr['loading'] = 'lazy';
                $attr['decoding'] = 'async';
                // Remove fetchpriority from lazy images (prevents conflict)
                if (isset($attr['fetchpriority'])) {
                    unset($attr['fetchpriority']);
                }
            }
            
            // Ensure alt text is never empty
            if (empty($attr['alt'])) {
                $alt_text = get_post_meta($attachment->ID, '_wp_attachment_image_alt', true);
                $attr['alt'] = $alt_text ?: get_the_title($attachment->ID);
            }
            
            return $attr;
        }
        
        public function auto_add_image_alt($content) {
            if (empty($content) || !is_singular() || is_admin()) {
                return $content;
            }
            
            $post_title = esc_attr(get_the_title());
            
            return preg_replace_callback('/<img([^>]+)>/i', function($matches) use ($post_title) {
                $img_tag = $matches[0];
                $attributes = $matches[1];
                
                if (!preg_match('/alt=([\'"])(.*?)\1/i', $attributes, $alt_matches) || empty(trim($alt_matches[2]))) {
                    if (stripos($attributes, 'alt=') !== false) {
                        return preg_replace('/alt=([\'"])(.*?)\1/i', 'alt="' . $post_title . '"', $img_tag);
                    } else {
                        return str_replace('<img', '<img alt="' . $post_title . '"', $img_tag);
                    }
                }
                
                return $img_tag;
            }, $content);
        }
        
        public function auto_image_seo($attachment_id) {
            $file = get_attached_file($attachment_id);
            if (!$file) return;

            $filename = pathinfo($file, PATHINFO_FILENAME);
            
            // Clean filename: remove numbers, underscores, hyphens
            $clean_name = preg_replace('/[0-9_\-]+$/', '', $filename);
            $clean_title = ucwords(trim(str_replace(['-', '_', '.'], ' ', $clean_name)));

            if (empty($clean_title)) return;

            wp_update_post([
                'ID'           => $attachment_id,
                'post_title'   => $clean_title,
                'post_excerpt' => $clean_title,
            ]);
            
            update_post_meta($attachment_id, '_wp_attachment_image_alt', $clean_title);
        }
    }
    
    TimesBull_Image_SEO::get_instance();
}<?xml version="1.0" encoding="UTF-8"?>
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