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var errorApp = require('../apps/error');

module.exports = function (err, req, res, next) {
  if (!err) return next();

  var message = err.message || err.toString();
  var status = parseInt(message);
  status = ((status >= 400) && (status < 600)) ? status : 500;

  if (status < 500) {
    console.log(err.message || err);
  } else {
    console.log(err.stack || err);
  }

  var page = errorApp.createPage(req, res, next);
  page.renderStatic(status, status.toString());
};