<?php

declare(strict_types=1);

namespace LIT\MCP\Integrations\Divi\Pages;

use LIT\MCP\Integrations\Divi\Compose\MediaResolver;

defined('ABSPATH') || exit;

/**
 * Media library images for short-form fields (image_id, portrait_id, image_ids): only images
 * the current user may read. URL and alt text are cleaned by ShortformWriter like client input.
 */
final class WpMediaResolver implements MediaResolver
{
    public function image(int $id): ?array
    {
        if ($id <= 0 || ! wp_attachment_is_image($id) || ! current_user_can('read_post', $id)) {
            return null;
        }

        $url = wp_get_attachment_url($id);
        if (! is_string($url) || $url === '') {
            return null;
        }

        return ['url' => $url, 'alt' => (string) get_post_meta($id, '_wp_attachment_image_alt', true)];
    }
}