<?php
add_action('rest_api_init', function() {
    register_rest_route('my/v1', '/author/(?P<slug>[a-zA-Z0-9-]+)', [
        'methods' => 'GET',
        'callback' => function($request) {
            $slug = $request['slug'];
            
            if (!function_exists('get_coauthors')) {
                return new WP_Error('no_plugin', 'Co-Authors Plus not active', ['status' => 404]);
            }
            
            global $coauthors_plus;
            
            // Метод 1: Через объект плагина (работает всегда)
            if (isset($coauthors_plus) && method_exists($coauthors_plus, 'get_coauthor_by')) {
                $coauthor = $coauthors_plus->get_coauthor_by('user_nicename', $slug);
                
                if ($coauthor) {
                    return [
                        'id' => $coauthor->user_nicename,
                        'name' => $coauthor->display_name,
                        'firstName' => $coauthor->first_name ?? '',
                        'lastName' => $coauthor->last_name ?? '',
                        'description' => $coauthor->description ?? '',
                        'avatar' => get_avatar_url($coauthor->user_email, ['size' => 192]),
                        'url' => get_author_posts_url($coauthor->ID, $coauthor->user_nicename),
                        'type' => $coauthor->type ?? 'guest-author'
                    ];
                }
            }
            
            return new WP_Error('not_found', 'Author not found', ['status' => 404]);
        },
        'permission_callback' => '__return_true'
    ]);
});