App login is working

src/Backend/DiunaBI.UI.Shared/Components/Dashboard.razor

@@ -1,5 +1,44 @@
 @page "/dashboard"
+@using DiunaBI.UI.Shared.Services
 @using MudBlazor
+@inject AuthService AuthService
+@inject NavigationManager NavigationManager
 
-<MudText Typo="Typo.h4">Dashboard</MudText>
-<p>Tutaj znajdzie się panel ogólny aplikacji</p>
+<MudText Typo="Typo.body1" Class="mt-4">Witaj w DiunaBI!</MudText>
+
+@if (AuthService.IsAuthenticated && AuthService.CurrentUser != null)
+{
+    <MudCard Class="mt-4" Elevation="2">
+        <MudCardHeader>
+            <CardHeaderAvatar>
+                @if (!string.IsNullOrEmpty(AuthService.CurrentUser.AvatarUrl))
+                {
+                    <MudAvatar Size="Size.Large" Style="background: transparent;">
+                        <img src="@AuthService.CurrentUser.AvatarUrl" alt="Avatar" style="width: 100%; height: 100%; object-fit: cover; border-radius: 50%;" />
+                    </MudAvatar>
+                }
+                else
+                {
+                    <MudAvatar Color="Color.Primary" Size="Size.Large">
+                        @(AuthService.CurrentUser.FullName.Length > 0 ? AuthService.CurrentUser.FullName.Substring(0, 1) : "?")
+                    </MudAvatar>
+                }
+            </CardHeaderAvatar>
+            <CardHeaderContent>
+                <MudText Typo="Typo.h6">@AuthService.CurrentUser.FullName</MudText>
+                <MudText Typo="Typo.body2">@AuthService.CurrentUser.Email</MudText>
+            </CardHeaderContent>
+        </MudCardHeader>
+        <MudCardContent>
+            <MudText Typo="Typo.body2">
+                ✅ Zalogowano przez Google
+            </MudText>
+        </MudCardContent>
+    </MudCard>
+}
+else
+{
+    <MudAlert Severity="Severity.Warning" Class="mt-4">
+        Nie jesteś zalogowany
+    </MudAlert>
+}

src/Backend/DiunaBI.UI.Shared/Components/LoginCard.razor

@@ -8,7 +8,7 @@
 
 <MudCard Class="login-card" Elevation="8">
     <MudCardContent Class="pa-8 d-flex flex-column align-center">
-        <MudText Typo="Typo.h4" Class="mb-4">Witaj w BimAI</MudText>
+        <MudText Typo="Typo.h4" Class="mb-4">Witaj w DiunaBI</MudText>
         <MudText Typo="Typo.body1" Class="mb-6 text-center">
             Zaloguj się używając konta Google
         </MudText>
@@ -22,6 +22,7 @@
             @if (_isLoading)
             {
                 <MudProgressCircular Class="mr-3" Size="Size.Small" Indeterminate="true"></MudProgressCircular>
+                <span>Weryfikacja...</span>
             }
             else
             {
@@ -31,7 +32,7 @@
         
         @if (!string.IsNullOrEmpty(_errorMessage))
         {
-            <MudAlert Severity="Severity.Error" Class="mt-4">
+            <MudAlert Severity="Severity.Error" Class="mt-4" Dense="true">
                 @_errorMessage
             </MudAlert>
         }
@@ -94,27 +95,41 @@
     }
 
     [JSInvokable]
-    public static async Task OnGoogleSignInSuccess(string accessToken, string fullName, string email, string avatarUrl)
+    public static async Task OnGoogleSignInSuccess(string googleCredential, string fullName, string email, string avatarUrl)
     {
-        Console.WriteLine($"Google Sign-In Success: {email}");
+        Console.WriteLine($"=== OnGoogleSignInSuccess: {email} ===");
         
         if (_instance != null)
         {
-            var userInfo = new UserInfo
+            try
             {
-                FullName = fullName,
-                Email = email,
-                AvatarUrl = avatarUrl
-            };
-            
-            await _instance.AuthService.SetAuthenticationAsync(accessToken, userInfo);
-            
-            _instance._isLoading = false;
-            _instance._errorMessage = string.Empty;
-            
-            _instance.NavigationManager.NavigateTo("/dashboard", replace: true);
-            
-            await _instance.InvokeAsync(() => _instance.StateHasChanged());
+                // Waliduj użytkownika w backendzie DiunaBI
+                var (success, errorMessage) = await _instance.AuthService.ValidateWithBackendAsync(
+                    googleCredential, fullName, email, avatarUrl);
+                
+                if (success)
+                {
+                    Console.WriteLine("✅ User validated, navigating to dashboard");
+                    _instance._isLoading = false;
+                    _instance._errorMessage = string.Empty;
+                    _instance.NavigationManager.NavigateTo("/dashboard", replace: true);
+                }
+                else
+                {
+                    Console.WriteLine($"❌ Validation failed: {errorMessage}");
+                    _instance._isLoading = false;
+                    _instance._errorMessage = errorMessage ?? "Nie udało się zalogować.";
+                }
+                
+                await _instance.InvokeAsync(() => _instance.StateHasChanged());
+            }
+            catch (Exception ex)
+            {
+                Console.Error.WriteLine($"❌ OnGoogleSignInSuccess error: {ex.Message}");
+                _instance._isLoading = false;
+                _instance._errorMessage = "Błąd podczas weryfikacji użytkownika.";
+                await _instance.InvokeAsync(() => _instance.StateHasChanged());
+            }
         }
     }