.controller('LoginCtrl', function($scope, $http, LoginService, $ionicPopup, $state) {
$scope.data = {};

$scope.login = function() {
    LoginService.loginUser($scope.data.username, $scope.data.password).success(function(data) {
            var alertPopup = $ionicPopup.alert({
                title: 'Bem-vindo!'
            });

        $scope.gctoken = "id1";
        localStorage.setItem("gctoken", $scope.gctoken); // guarda o token

        $state.go('tabsController.inicial'); // redireciona
    }).error(function(data) {
        var alertPopup = $ionicPopup.alert({
            title: 'Erro!',
            template: 'Verifique os dados digitados!'
        });
    });
}
})

.service('LoginService', function($q) {
return {
    loginUser: function(name, pw) {
        var deferred = $q.defer();
        var promise = deferred.promise;
        if (name == '1' && pw == '2') {
            deferred.resolve('Welcome ' + name + '!');
        } else {
            deferred.reject('Wrong credentials.');
        }
        promise.success = function(fn) {
            promise.then(fn);
            return promise;
        }
        promise.error = function(fn) {
            promise.then(null, fn);
            return promise;
        }
        return promise;
    }
}
});