/**
   * Provides utilities for reading and writing HTTP cookies.
   * @module
   */
  
  /*whatsupdoc*/
  
  var QS = require("qs");
  
  /**
   * @param {String} cookie
   * @returns {Object}
   */
  exports.parse = function (cookie, date) {
      date = date || new Date();
      var parsed = {};
      var terms = cookie.split(/[;,]/g);
      var keyValue = terms.shift().split("=");
      parsed.key = keyValue[0];
      parsed.value = keyValue[1];
      terms.forEach(function (term) {
          var parts = term.split("=").map(function (part) {
              return part.trim();
          });
          var key = parts[0], value = parts[1];
          if (/^domain$/i.test(key)) {
              parsed.domain = value;
          } else if (/^path$/i.test(key)) {
              parsed.path = value;
          } else if (/^expires$/i.test(key)) {
              parsed.expires = new Date(
                  +new Date() + // actual now
                  (new Date(value) - date) // server offset
              );
          } else if (/^max-age$/i.test(key)) {
              parsed.expires = new Date(
                  new Date().getTime() +
                  (value * 1000)
              );
          } else if (/^secure$/i.test(key)) {
              parsed.secure = true;
          } else if (/^httponly$/i.test(key)) {
              parsed.httpOnly = true;
          }
      });
      return parsed;
  };
  
  /**
   * @param {String} key
   * @param {String} value
   * @param {Object} options (optional)
   * @returns {String} a cookie string
   */
  exports.stringify = function (key, value, options) {
      var cookie = (
          encodeURIComponent(key) + "=" +
          encodeURIComponent(value)
      );
      if (options) {
          if (options.domain)
              cookie += "; Domain=" + encodeURIComponent(options.domain);
          if (options.path)
              cookie += "; Path=" + encodeURIComponent(options.path);
          if (options.expires)
              cookie += "; Expires=" + options.expires.toGMTString();
          if (options.secure)
              cookie += "; Secure";
          if (options.httpOnly)
              cookie += "; HttpOnly";
      }
      return cookie;
  };