(function(){

    /**
     * Special service to manage the variables in localStorage & cookie,
     * define the behavior after user login\logout.
     */

    "use strict";

    angular
        .module("app.helpers")
        .service("helpers.authorize", authorizeHelper);

    function authorizeHelper(){

        /**
         * Specify a suitable variables when user successfully logged.
         * @param {"http-response"} response
         */
        this.setUserRules = function (response){
            appLocalStorage.set("token", response.data.access_token);
            appLocalStorage.set("userId", response.data.userId);
            appLocalStorage.set("email", response.data.email);
            appLocalStorage.set("userRole", response.data.role);
            appLocalStorage.delete("currentTabUrl");
        };

        this.clearUserRules = function(){
            clearLocalStorage();
            clearCookies();
        };

        // Internal methods.

        function clearCookies(){
            appCookieStorage.deleteAll();
        }

        function clearLocalStorage(){
            appLocalStorage.delete("token");
            appLocalStorage.delete("userId");
            appLocalStorage.delete("userName");
            appLocalStorage.delete("hashUrl");
            appLocalStorage.set("userRole", "public");
        }

    }

    // IoC container.
    authorizeHelper.$inject = [];

})();