//Arquvio da minha directive
var app = angular.module('myApp', []);

app.directive('alertDirective', [function () {
	return {
		restrict: 'AE',
			template: '<div class="alert alert-success text-center"><p>{{ title }}:<b ng-transclude>Msg Alert!</b></p></div>',
			scope: {
			title: '@',
		},
		transclude: true
	};
}])

//Meu app.js
'use strict';

// Declare app level module which depends on views, and components
angular.module('myApp', [
  'ngRoute',
  'myApp.home',
  'myApp.register',
  'myApp.welcome'

]).
config(['$routeProvider', function($routeProvider) {
  $routeProvider.otherwise({redirectTo: '/register'});
}]);

//Controller que quero chamar a directive
'use strict';

angular.module('myApp.register', ['ngRoute', 'firebase'])

.config(['$routeProvider', function($routeProvider) {
  $routeProvider.when('/register', {
    templateUrl: 'js/controllers/register/register.html',
    controller: 'registerCtrl'
  });
}])
.controller('registerCtrl', ['$scope','$location', function(
    $scope, $location, $firebaseAuth, $rootScope) {

    $scope.msg = "";
    var rootRef = firebase.database().ref();

    $scope.user = {};

    $scope.signIn = function() {
        var email = $scope.user.email;
        var password = $scope.user.password;

            if(!email || !password) {
                console.log('Sorry you not found credentials!');
                // $location.path('/home');
            }
         firebase.auth().signInWithEmailAndPassword(email, password)
                      .catch(function(error) {
                        var errorCode = error.code;
                        var errorMessage = error.message;
                });
         firebase.auth().onAuthStateChanged(function(user) {
              if (user) {
                var email = "";
                var passowrd = "";
                $scope.msg = "Successfully added user.";
                console.log(user);
              } else {
                // No user is signed in.
              }
});
        }
}]);