<?php
class Response {
    public static function json(array $data, int $code = 200): never {
        http_response_code($code);
        echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
        exit;
    }

    public static function success(mixed $data = null, string $message = 'OK'): never {
        self::json(['success' => true, 'message' => $message, 'data' => $data]);
    }

    public static function error(string $message, int $code = 400, array $errors = []): never {
        self::json(['success' => false, 'message' => $message, 'errors' => $errors], $code);
    }

    public static function paginate(array $items, int $total, int $page, int $perPage): never {
        self::json([
            'success' => true,
            'data'    => $items,
            'meta'    => [
                'total'    => $total,
                'page'     => $page,
                'per_page' => $perPage,
                'pages'    => (int) ceil($total / $perPage),
            ],
        ]);
    }
}