<?php
/**
 * Batch 54 — GenerateBlocks tools. Net-new, GPL-2.0-or-later. See NOTICE.md.
 * Inert unless GenerateBlocks (GENERATEBLOCKS_VERSION) is active. Block-based, so posts are found by block marker.
 */

namespace AskTamMCP\Extensions;

defined('ABSPATH') || exit;

class Batch54 {

    public static function register($registry): void {
        if (!defined('GENERATEBLOCKS_VERSION')) return;

        $def = function (string $name, string $desc, array $props, array $required, string $scope, string $method) {
            $schema = ['type' => 'object', 'properties' => $props ?: new \stdClass()];
            if ($required) $schema['required'] = $required;
            return ['name' => $name, 'description' => $desc, 'scope' => $scope,
                    'handler' => 'AskTamMCP\\Extensions\\Batch54::' . $method, 'inputSchema' => $schema];
        };

        $registry->register($def('generateblocks_detect', 'Report whether GenerateBlocks is active and its version.', [], [], 'read', 'detect'));
        $registry->register($def('generateblocks_list_posts', 'List recent posts that use GenerateBlocks blocks (id, title, type).',
            ['per_page' => ['type' => 'integer', 'default' => 50]], [], 'read', 'listPosts'));
    }

    public static function detect(array $args): array {
        return ['active' => defined('GENERATEBLOCKS_VERSION'), 'version' => defined('GENERATEBLOCKS_VERSION') ? GENERATEBLOCKS_VERSION : null];
    }

    public static function listPosts(array $args): array {
        global $wpdb;
        $per = max(1, (int) ($args['per_page'] ?? 50));
        $like = '%' . $wpdb->esc_like('wp:generateblocks') . '%';
        $rows = $wpdb->get_results($wpdb->prepare(
            "SELECT ID, post_title, post_type FROM {$wpdb->posts} WHERE post_status = 'publish' AND post_content LIKE %s ORDER BY ID DESC LIMIT %d",
            $like, $per), ARRAY_A);
        $out = [];
        foreach ((array) $rows as $r) $out[] = ['id' => (int) $r['ID'], 'title' => $r['post_title'], 'type' => $r['post_type']];
        return ['count' => count($out), 'posts' => $out];
    }
}