var app = angular.module('myModule', ['angular-google-gapi']);

app.run(['GApi', 'GAuth',
    function(GApi, GAuth) {
        var BASE = 'https://myGoogleAppEngine.appspot.com/_ah/api';
        GApi.load('myApiName', 'v1', BASE).then(function(resp) {
            console.log('api: ' + resp.api + ', version: ' + resp.version + ' loaded');
        }, function(resp) {
            console.log('an error occured during loading api: ' + resp.api + ', resp.version: ' + version);
        });
    }
]);

app.run(['GAuth', 'GApi', 'GData', '$state', '$rootScope',
    function(GAuth, GApi, GData, $state, $rootScope) {

        $rootScope.gdata = GData;

        var CLIENT = 'yourGoogleAuthAPIKey';
        var BASE = 'https://myGoogleAppEngine.appspot.com/_ah/api';

        GApi.load('myApiName','v1',BASE);
        GApi.load('calendar','v3'); // for google api (https://developers.google.com/apis-explorer/)

        GAuth.setClient(CLIENT)
        // default scope is only https://www.googleapis.com/auth/userinfo.email
        GAuth.setScope('https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/calendar.readonly');

        // load the auth api so that it doesn't have to be loaded asynchronously
        // when the user clicks the 'login' button.
        // That would lead to popup blockers blocking the auth window
        GAuth.load();

        // or just call checkAuth, which in turn does load the oauth api.
        // if you do that, GAuth.load(); is unnecessary
        GAuth.checkAuth().then(
            function (user) {
                console.log(user.name + ' is logged in');
                $state.go('webapp.home'); // an example of action if it's possible to
                			  	        // authenticate user at startup of the application
            },
            function() {
		        $state.go('login'); // an example of action if it's impossible to
					  	          // authenticate user at startup of the application
            }
        );
    }
]);

GApi.load('myApiName', 'v1', BASE)
   .catch(function(api, version) {
       console.log('an error occured during loading api: ' + api + ', version: ' + version);
   });

app.controller('myController', ['$scope', 'GApi',
    function myController($scope, GApi) {
        GApi.execute('youApi', 'you.api.method.name').then(function(resp) {
            $scope.value = resp;
        }, function() {
            console.log('error :(');
        });
    }
]);

app.controller('myController', ['$scope', 'GApi',
    function myController($scope, GApi) {
        GApi.execute('youApi', 'you.api.method.name', {param: value}).then(function(resp) {
            $scope.value = resp;
        }, function() {
            console.log('error :(');
        });
    }
]);

app.controller('myController', ['$scope', 'GApi',
    function myController($scope, GApi) {
         GApi.executeAuth('youApi', 'you.api.method.name').then(function(resp) {
            $scope.value = resp;
        }, function() {
            console.log('error :(');
        });
    }
]);

app.controller('myController', ['$scope', 'GApi',
    function myController($scope, GApi) {
        GApi.executeAuth('youApi', 'you.api.method.name', {param: value}).then(function(resp) {
            $scope.value = resp;
        }, function() {
            console.log('error :(');
        });
    }
]);

app.controller('myController', ['$scope', 'GAuth', '$state',
    function myController($scope, GAuth, $state) {
        $scope.doSignup = function() {
            GAuth.login().then(function(user) {
                console.log(user.name + ' is logged in');
                $state.go('webapp.home'); // action after the user have validated that
        				                  // your application can access their Google account
            }, function() {
                console.log('login failed');
            });
        };
    }
]);

app.controller('myController', ['$rootScope',
    function myController($rootScope) {
        console.log($rootScope.gdata.getUser().name);
    }
]);