function asyncHandler (handler) {
  return (req, res, next) => {
    Promise.resolve(handler(req, res, next)).catch((error) => {
      console.error('[asyncHandler]', error)

      if (res.headersSent) {
        return next(error)
      }

      const status = error?.status || 500
      return res.status(status).json({
        message: error?.userMessage || 'خطای سرور',
        en_message: error?.message || 'internal_error',
      })
    })
  }
}

module.exports = asyncHandler
module.exports.asyncHandler = asyncHandler