更新

PetWashControl/Views/AdminLoginWindow.xaml.cs

@@ -0,0 +1,69 @@
+using PetWashControl.Services;
+using System.Windows;
+using System.Windows.Input;
+
+namespace PetWashControl.Views;
+
+public partial class AdminLoginWindow : Window
+{
+    private readonly AdminAccessService _adminAccessService;
+
+    public bool IsAuthenticated { get; private set; }
+
+    public AdminLoginWindow(AdminAccessService adminAccessService)
+    {
+        _adminAccessService = adminAccessService;
+        InitializeComponent();
+        Loaded += (_, _) =>
+        {
+            UsernameTextBox.Focus();
+            ShowMessage(_adminAccessService.GetCurrentLockoutMessage());
+        };
+    }
+
+    private void LoginButton_Click(object sender, RoutedEventArgs e)
+    {
+        var result = _adminAccessService.TryAuthenticate(UsernameTextBox.Text, PasswordInput.Password);
+        if (result.IsSuccess)
+        {
+            IsAuthenticated = true;
+            DialogResult = true;
+            Close();
+            return;
+        }
+
+        IsAuthenticated = false;
+        ShowMessage(result.Message);
+        PasswordInput.Clear();
+        PasswordInput.Focus();
+    }
+
+    private void CancelButton_Click(object sender, RoutedEventArgs e)
+    {
+        DialogResult = false;
+        Close();
+    }
+
+    private void PasswordInput_KeyDown(object sender, KeyEventArgs e)
+    {
+        if (e.Key == Key.Enter)
+        {
+            LoginButton_Click(sender, new RoutedEventArgs());
+        }
+    }
+
+    private void ShowMessage(string? message)
+    {
+        if (string.IsNullOrWhiteSpace(message))
+        {
+            ErrorContainer.Visibility = Visibility.Collapsed;
+            ErrorTextBlock.Visibility = Visibility.Collapsed;
+            ErrorTextBlock.Text = string.Empty;
+            return;
+        }
+
+        ErrorContainer.Visibility = Visibility.Visible;
+        ErrorTextBlock.Visibility = Visibility.Visible;
+        ErrorTextBlock.Text = message;
+    }
+}