Ext.define('App.security.Firewall', {
    singleton: true,
    requires: [
        'App.security.TokenStorage'
    ],

    login: function(username, password) {
        return new Ext.Promise(function (resolve, reject) {
            Ext.Ajax.request({
                url: App.server.Router.generate('authenticate'),
                method: 'POST',
                jsonData: {
                    'username': username,
                    'password': password
                },

                success: function (response) {
                    var data = Ext.decode(response.responseText);
                    if (data.token) {
                        App.security.TokenStorage.save(data.token);

                        resolve(data, response);

                        return;
                    }

                    reject(data, response);
                },

                failure: function (response) {
                    var data = Ext.decode(response.responseText);

                    App.security.TokenStorage.clear();

                    reject(data, response);
                }
            });
        });
    },

    logout: function(callback) {
        App.security.TokenStorage.clear();

        callback();
    }
});