/**
 * Just provide info about the current browser
 */

module.exports = function () {
  var ua = navigator.userAgent;
  var tem;
  var M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
  if (/trident/i.test(M[1])) {
    tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
    return {
      name: 'IE ',
      version: (tem[1] || '')
    };
  }
  if (M[1] === 'Chrome') {
    tem = ua.match(/\bOPR\/(\d+)/);
    if (tem != null) {
      return {
        name: 'Opera',
        version: tem[1]
      };
    }
  }
  M = M[2] ? [M[1], M[2]] : [navigator.appName, navigator.appVersion, '-?'];
  if ((tem = ua.match(/version\/(\d+)/i)) != null) {
    M.splice(1, 1, tem[1]);
  }

  return {
    name: M[0],
    version: M[1]
  };
};