<?php
header('Content-Type: application/json; charset=utf-8');

$recipesDir = __DIR__ . '/recipes';

if (!is_dir($recipesDir)) {
    echo json_encode(["recipes" => new stdClass()], JSON_PRETTY_PRINT);
    exit;
}

$categories = array_filter(glob($recipesDir . '/*'), 'is_dir');
$output = ["recipes" => []];

foreach ($categories as $categoryPath) {
    $categoryName = basename($categoryPath);
    $items = array_filter(glob($categoryPath . '/*'), 'is_dir');
    $itemNames = array_map('basename', $items);

    if (!empty($itemNames)) {
        $output["recipes"][$categoryName] = array_values($itemNames);
    }
}

echo json_encode($output, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
?>