* Added Authentication

OrdersManagement/Components/Pages/Admin/Users/LoginModule.razor

@@ -0,0 +1,165 @@
+@page "/login"
+@using Microsoft.AspNetCore.Components.Authorization
+@using OrdersManagement.Models
+@using Syncfusion.Blazor.Inputs
+@using Syncfusion.Blazor.Buttons
+@using Syncfusion.Blazor.Cards
+@inject UserService UserService
+@inject NavigationManager NavigationManager
+@inject AuthenticationStateProvider AuthenticationStateProvider
+
+<div class="h-100 d-flex flex-column">
+    <h5>Logowanie</h5>
+
+    @if (!string.IsNullOrEmpty(TempPassword))
+    {
+        <div class="alert alert-info">
+            Twoje tymczasowe hasło to: <strong>@TempPassword</strong>. Użyj go do pierwszego logowania.
+        </div>
+    }
+
+    <SfCard>
+        <CardHeader Title="Zaloguj się"/>
+        <CardContent>
+            <EditForm Model="@LoginModel" FormName="LoginForm" OnValidSubmit="@HandleLogin">
+                <DataAnnotationsValidator/>
+                <ValidationSummary/>
+
+                <div class="form-group">
+                    <label for="login">Login</label>
+                    <SfTextBox ID="login" @bind-Value="LoginModel.Login" Placeholder="Wprowadź login"
+                               CssClass="e-outline"/>
+                    <ValidationMessage For="@(() => LoginModel.Login)"/>
+                </div>
+
+                <div class="form-group">
+                    <label for="password">Hasło</label>
+                    <SfTextBox ID="password" Type="InputType.Password" @bind-Value="LoginModel.Password"
+                               Placeholder="Wprowadź hasło" CssClass="e-outline"/>
+                    <ValidationMessage For="@(() => LoginModel.Password)"/>
+                </div>
+
+                <div class="form-group mt-3">
+                    <SfButton CssClass="e-primary" IsPrimary="true" Type="submit">Zaloguj</SfButton>
+                </div>
+
+                @if (!string.IsNullOrEmpty(ErrorMessage))
+                {
+                    <div class="alert alert-danger mt-3">@ErrorMessage</div>
+                }
+            </EditForm>
+
+            @if (ShowChangePassword)
+            {
+                <hr/>
+                <h5>Zmień hasło</h5>
+                <EditForm Model="@ChangePasswordModel" FormName="ChangePasswordForm"
+                          OnValidSubmit="@HandleChangePassword">
+                    <DataAnnotationsValidator/>
+                    <ValidationSummary/>
+
+                    <div class="form-group">
+                        <label for="newPassword">Nowe hasło</label>
+                        <SfTextBox ID="newPassword" Type="InputType.Password"
+                                   @bind-Value="ChangePasswordModel.NewPassword" Placeholder="Wprowadź nowe hasło"
+                                   CssClass="e-outline"/>
+                        <ValidationMessage For="@(() => ChangePasswordModel.NewPassword)"/>
+                    </div>
+
+                    <div class="form-group">
+                        <label for="confirmPassword">Potwierdź hasło</label>
+                        <SfTextBox ID="confirmPassword" Type="InputType.Password"
+                                   @bind-Value="ChangePasswordModel.ConfirmPassword" Placeholder="Potwierdź nowe hasło"
+                                   CssClass="e-outline"/>
+                        <ValidationMessage For="@(() => ChangePasswordModel.ConfirmPassword)"/>
+                    </div>
+
+                    <div class="form-group mt-3">
+                        <SfButton CssClass="e-success" Type="submit">Zmień hasło</SfButton>
+                    </div>
+                </EditForm>
+            }
+        </CardContent>
+    </SfCard>
+
+</div>
+
+@code {
+    private LoginModel LoginModel { get; set; } = new();
+    private ChangePasswordModel ChangePasswordModel { get; set; } = new();
+    private bool ShowChangePassword { get; set; }
+    private string TempPassword { get; set; }
+    private string ErrorMessage { get; set; }
+
+    protected override void OnInitialized()
+    {
+        TempPassword = NavigationManager.Uri.Split('?').Length > 1 ? Uri.UnescapeDataString(NavigationManager.Uri.Split('=')[1]) : null;
+    }
+
+    private async Task HandleLogin()
+    {
+        try
+        {
+            Console.WriteLine($"Próba logowania dla: {LoginModel.Login}");
+            var user = await UserService.AuthenticateUserAsync(LoginModel.Login, LoginModel.Password);
+            if (user != null)
+            {
+                Console.WriteLine($"Użytkownik {user.Login} znaleziony.");
+                if (user.IsTemporaryPassword)
+                {
+                    ShowChangePassword = true;
+                    StateHasChanged(); // Wymagane, aby odświeżyć UI
+                }
+                else
+                {
+                    await ((CustomAuthenticationStateProvider)AuthenticationStateProvider).MarkUserAsAuthenticated(user);
+                    NavigationManager.NavigateTo("/");
+                }
+            }
+            else
+            {
+                ErrorMessage = "Nieprawidłowy login lub hasło";
+                Console.WriteLine(ErrorMessage);
+                StateHasChanged();
+            }
+        }
+        catch (Exception ex)
+        {
+            ErrorMessage = $"Błąd logowania: {ex.Message}";
+            Console.WriteLine(ErrorMessage);
+            StateHasChanged();
+        }
+    }
+
+    private async Task HandleChangePassword()
+    {
+        try
+        {
+            if (ChangePasswordModel.NewPassword == ChangePasswordModel.ConfirmPassword)
+            {
+                var user = await UserService.GetUserByUsernameAsync(LoginModel.Login);
+                if (user != null)
+                {
+                    user.PasswordHash = BCrypt.Net.BCrypt.HashPassword(ChangePasswordModel.NewPassword);
+                    user.IsTemporaryPassword = false;
+                    await UserService.UpdateUserAsync(user);
+                    ShowChangePassword = false;
+                    LoginModel = new LoginModel();
+                    StateHasChanged();
+                    NavigationManager.NavigateTo("/login");
+                }
+            }
+            else
+            {
+                ErrorMessage = "Hasła nie są zgodne";
+                StateHasChanged();
+            }
+        }
+        catch (Exception ex)
+        {
+            ErrorMessage = $"Błąd zmiany hasła: {ex.Message}";
+            StateHasChanged();
+        }
+    }
+
+}