- add: Foolproof

Nebula.Launcher/ViewModels/MainViewModel.cs

@@ -41,7 +41,17 @@ public partial class MainViewModel : ViewModelBase
     [ObservableProperty] private bool _popup;
     [ObservableProperty] private ListItemTemplate? _selectedListItem;
 
+    public bool IsLoggedIn => AuthService.SelectedAuth is not null;
+    public string LoginName => AuthService.SelectedAuth?.Login ?? string.Empty;
+    
+    public string LoginText => Services.LocalisationService.GetString("auth-current-login-name", 
+        new Dictionary<string, object>
+    {
+        { "login", LoginName }
+    });
+
     [GenerateProperty] private LocalisationService LocalisationService { get; }
+    [GenerateProperty] private AuthService AuthService { get; }
     [GenerateProperty] private DebugService DebugService { get; } = default!;
     [GenerateProperty] private PopupMessageService PopupMessageService { get; } = default!;
     [GenerateProperty] private ContentService ContentService { get; } = default!;
@@ -136,6 +146,12 @@ public partial class MainViewModel : ViewModelBase
         CurrentPage = obj;
     }
 
+    public void InvokeChangeAuth()
+    {
+        OnPropertyChanged(nameof(IsLoggedIn));
+        OnPropertyChanged(nameof(LoginText));
+    }
+
     public void PopupMessage(PopupViewModelBase viewModelBase)
     {
         if (CurrentPopup == null)
@@ -163,6 +179,11 @@ public partial class MainViewModel : ViewModelBase
         Popup = true;
     }
 
+    public void OpenAuthPage()
+    {
+        RequirePage<AccountInfoViewModel>();
+    }
+
     public void OpenLink()
     {
         Helper.OpenBrowser("https://durenko.tatar/nebula");

Nebula.Launcher/ViewModels/Pages/AccountInfoViewModel.cs

@@ -142,6 +142,7 @@ public partial class AccountInfoViewModel : ViewModelBase
         try
         {
             await a();
+            ViewHelperService.GetViewModel<MainViewModel>().InvokeChangeAuth();
         }
         catch (AuthException e)
         {
@@ -200,6 +201,7 @@ public partial class AccountInfoViewModel : ViewModelBase
     {
         IsLogged = false;
         AuthService.ClearAuth();
+        ViewHelperService.GetViewModel<MainViewModel>().InvokeChangeAuth();
     }
 
     private void UpdateAuthMenu()

Nebula.Launcher/ViewModels/Popup/AddFavoriteViewModel.cs

@@ -42,6 +42,9 @@ public partial class AddFavoriteViewModel : PopupViewModelBase
     {
         try
         {
+            if(string.IsNullOrWhiteSpace(IpInput))
+                throw new Exception(LocalisationService.GetString("popup-add-favorite-invalid-ip"));
+            
             var uri = IpInput.ToRobustUrl();
             FavoriteServerListProvider.AddFavorite(uri);
             Dispose();

Nebula.Launcher/ViewModels/Popup/IsLoginCredentialsNullPopup.cs

@@ -0,0 +1,50 @@
+using Nebula.Launcher.Services;
+using Nebula.Launcher.ViewModels.Pages;
+using Nebula.Launcher.Views.Popup;
+using Nebula.Shared.Services;
+using Nebula.Shared.ViewHelper;
+
+namespace Nebula.Launcher.ViewModels.Popup;
+
+[ConstructGenerator, ViewModelRegister(typeof(IsLoginCredentialsNullPopupView))]
+public partial class IsLoginCredentialsNullPopupViewModel : PopupViewModelBase
+{
+    private ServerEntryModelView _entry;
+    
+    [GenerateProperty] public override PopupMessageService PopupMessageService { get; }
+    [GenerateProperty, DesignConstruct] private ViewHelperService ViewHelperService { get; }
+    
+    protected override void InitialiseInDesignMode()
+    {
+    }
+
+    protected override void Initialise()
+    {
+    }
+
+    public IsLoginCredentialsNullPopupViewModel WithServerEntry(ServerEntryModelView entryModelView)
+    {
+        _entry = entryModelView;
+        return this;
+    }
+
+    public void Proceed()
+    {
+        _entry.RunInstanceIgnoreAuth();
+        Dispose();
+    }
+
+    public void Cancel()
+    {
+        Dispose();
+    }
+
+    public void GotoAuthPage()
+    {
+        ViewHelperService.GetViewModel<MainViewModel>().RequirePage<AccountInfoViewModel>();
+        Dispose();
+    }
+    
+    public override string Title => LocalisationService.GetString("popup-login-credentials-warning");
+    public override bool IsClosable => true;
+}

Nebula.Launcher/ViewModels/ServerEntryModelView.cs

@@ -47,7 +47,7 @@ public partial class ServerEntryModelView : ViewModelBase, IFilterConsumer, ILis
 
     public LogPopupModelView CurrLog;
     public RobustUrl Address { get; private set; }
-    [GenerateProperty] private ConfigurationService ConfigurationService { get; } = default!;
+    [GenerateProperty] private AuthService AuthService { get; }
     [GenerateProperty] private CancellationService CancellationService { get; } = default!;
     [GenerateProperty] private DebugService DebugService { get; } = default!;
     [GenerateProperty] private PopupMessageService PopupMessageService { get; } = default!;
@@ -163,11 +163,26 @@ public partial class ServerEntryModelView : ViewModelBase, IFilterConsumer, ILis
     public void RunInstance()
     { 
         CurrLog.Clear();
-        Task.Run(RunInstanceAsync);
+        Task.Run(async ()=> await RunInstanceAsync());
     }
 
-    private async void RunInstanceAsync()
+    public void RunInstanceIgnoreAuth()
     {
+        CurrLog.Clear();
+        Task.Run(async ()=> await RunInstanceAsync(true));
+    }
+
+    private async Task RunInstanceAsync(bool ignoreLoginCredentials = false)
+    {
+        if (!ignoreLoginCredentials && AuthService.SelectedAuth is null)
+        {
+            var warningContext = ViewHelperService.GetViewModel<IsLoginCredentialsNullPopupViewModel>()
+                .WithServerEntry(this);
+            
+            PopupMessageService.Popup(warningContext);
+            return;
+        }
+        
         using var loadingContext = ViewHelperService.GetViewModel<LoadingContextViewModel>();
         loadingContext.LoadingName = "Loading instance...";
         ((ILoadingHandler)loadingContext).AppendJob();