Started to implement an Google authentication

FoxTube/MainPage.xaml

@@ -67,8 +67,8 @@
                         Width="50" Height="50" Background="#00000000" RelativePanel.LeftOf="searchField">
                 <Button.Flyout>
                     <MenuFlyout>
-                        <MenuFlyoutItem Text="Sign in with existing account"/>
+                        <MenuFlyoutItem Text="Sign in with existing account" Name="signIn" Click="signIn_Click"/>
-                        <MenuFlyoutItem Text="Create a new Google account"/>
+                        <MenuFlyoutItem Text="Create a new Google account" Name="createAccount" Click="createAccount_Click"/>
                     </MenuFlyout>
                 </Button.Flyout>
             </Button>

FoxTube/MainPage.xaml.cs

@@ -20,6 +20,15 @@ using Windows.UI.Notifications;
 using Windows.UI.Xaml.Media.Imaging;
 using Windows.Storage;
 
+using Google.Apis.Auth.OAuth2;
+using Google.Apis.Services;
+using Google.Apis.Upload;
+using Google.Apis.YouTube.v3;
+using Google.Apis.YouTube.v3.Data;
+using System.Threading.Tasks;
+using System.Threading;
+using Google.Apis.Util.Store;
+
 // The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409
 
 namespace FoxTube
@@ -284,5 +293,42 @@ namespace FoxTube
         {
             AccountManagement.IsOpen = true;
         }
+
+        private void createAccount_Click(object sender, RoutedEventArgs e)
+        {
+            Process.Start("https://accounts.google.com/signup/");
+        }
+
+        private void signIn_Click(object sender, RoutedEventArgs e)
+        {
+            LogIn().Wait();
+        }
+
+        private async Task LogIn()
+        {
+            UserCredential credential;
+            StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(new Uri(@"ms-appx:///client_secrets.json"));
+
+            Debug.WriteLine("Exception accured after opening a stream");
+
+            credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
+                    GoogleClientSecrets.Load(await file.OpenStreamForReadAsync()).Secrets,
+                    new[] { YouTubeService.Scope.Youtube },
+                    "user",
+                    CancellationToken.None,
+                    new FileDataStore(this.GetType().ToString())
+                );
+            Debug.WriteLine("200 OK");
+            /*using (var stream = new FileStream("client_secrets.json", FileMode.Open, FileAccess.Read))
+            {
+                credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
+                    GoogleClientSecrets.Load(stream).Secrets,
+                    new[] { YouTubeService.Scope.Youtube },
+                    "user",
+                    CancellationToken.None,
+                    new FileDataStore(this.GetType().ToString())
+                );
+            }*/
+        }
     }
 }