<?php
/**
 * GET /api/modules/all — Liste aller installierten V2-Module (für Auftrags-Dropdown).
 */
declare(strict_types=1);
require_once __DIR__ . '/../../bootstrap.php';

v2_validate_method('GET');
v2_auth_require('any');

$rows = v2_db_all("
    SELECT slug, display_name, display_name_easy, icon, status, estimated_duration_min
    FROM module_info_v2
    WHERE status IN ('beta', 'stable')
    ORDER BY display_name
");

// Difficulty-Levels pro Modul
$levels = v2_db_all("
    SELECT module_slug, level_id, label, label_easy, display_order
    FROM module_levels_v2
    ORDER BY display_order
");
$levelsBySlug = [];
foreach ($levels as $l) {
    $levelsBySlug[$l['module_slug']][] = [
        'id' => $l['level_id'],
        'label' => $l['label'],
        'labelEasy' => $l['label_easy'],
    ];
}

v2_response_ok(['modules' => array_map(fn($r) => [
    'slug' => $r['slug'],
    'displayName' => $r['display_name'],
    'displayNameEasy' => $r['display_name_easy'],
    'icon' => $r['icon'] ?? '📘',
    'status' => $r['status'],
    'estimatedDurationMin' => (int) $r['estimated_duration_min'],
    'difficultyLevels' => $levelsBySlug[$r['slug']] ?? [['id' => 'L1', 'label' => 'Einsteiger', 'labelEasy' => 'Leicht']],
], $rows)]);