define(["exports"], function (exports) {
  "use strict";

  /**
   * Cookie utilities
   */

  var Cookie = {};

  Cookie.write = function (name, value, hours) {
    var expire = "";
    if (hours) {
      expire = new Date((new Date()).getTime() + hours * 3600000);
      expire = "; expires=" + expire.toGMTString();
    }
    document.cookie = name + "=" + escape(value) + expire;
  };

  Cookie.read = function (name) {
    var cookieValue = "", search = name + "=";
    if (document.cookie.length > 0) {
      var cookie = document.cookie, offset = cookie.indexOf(search);
      if (offset !== -1) {
        offset += search.length;
        var end = cookie.indexOf(";", offset);
        if (end === -1) {
          end = cookie.length;
        }
        cookieValue = unescape(cookie.substring(offset, end));
      }
    }
    return cookieValue;
  };

  Cookie.remove = function (name) {
    this.write(name, "", -1);
  };

  Cookie.valueToArray = function (name, separator) {
    if (!separator) {
      separator = ",";
    }
    //reads the cookie
    var val = this.read(name);
    //creates an array with filters' values
    var arr = val.split(separator);
    return arr;
  };

  Cookie.getValueByIndex = function (name, index, separator) {
    if (!separator) {
      separator = ",";
    }
    //reads the cookie
    var val = this.valueToArray(name, separator);
    return val[index];
  };

  exports.Cookie = Cookie;
});