BASE changed interface

UI/VpnSettingsWindow.xaml.cs

@@ -0,0 +1,72 @@
+using System.Windows;
+using FoxBrowser.Core;
+using Forms = System.Windows.Forms;
+
+namespace FoxBrowser.UI;
+
+public partial class VpnSettingsWindow : Window
+{
+    private readonly VpnManager _vpn;
+
+    public VpnSettingsWindow(VpnManager vpn)
+    {
+        InitializeComponent();
+        _vpn = vpn;
+        ProfileList.ItemsSource = _vpn.Profiles;
+        _vpn.StateChanged += OnStateChanged;
+        RefreshState();
+        Closed += (_, _) => _vpn.StateChanged -= OnStateChanged;
+    }
+
+    private void Import_Click(object sender, RoutedEventArgs e)
+    {
+        using var dialog = new Forms.OpenFileDialog
+        {
+            Filter = "WireGuard config (*.conf)|*.conf|All files (*.*)|*.*",
+            Title = "Імпортувати WireGuard конфігурацію"
+        };
+        if (dialog.ShowDialog() != Forms.DialogResult.OK) return;
+        try
+        {
+            var profile = _vpn.ImportTunnelConfig(dialog.FileName);
+            ProfileList.SelectedItem = profile;
+            RefreshState();
+        }
+        catch (Exception ex) { ShowError(ex.Message); }
+    }
+
+    private async void Connect_Click(object sender, RoutedEventArgs e)
+    {
+        if (ProfileList.SelectedItem is not VpnProfile profile)
+        {
+            ShowError("Спочатку імпортуйте або виберіть профіль .conf.");
+            return;
+        }
+        try { await _vpn.ConnectAsync(profile); }
+        catch (Exception ex) { ShowError(ex.Message); }
+        finally { RefreshState(); }
+    }
+
+    private async void Disconnect_Click(object sender, RoutedEventArgs e)
+    {
+        try { await _vpn.DisconnectAsync(); }
+        catch (Exception ex) { ShowError(ex.Message); }
+        finally { RefreshState(); }
+    }
+
+    private void OnStateChanged(object? sender, EventArgs e) => Dispatcher.Invoke(RefreshState);
+
+    private void RefreshState()
+    {
+        StatusText.Text = _vpn.State.ToString();
+        ErrorText.Text = _vpn.LastError ?? string.Empty;
+    }
+
+    private void ShowError(string message)
+    {
+        ErrorText.Text = message;
+        System.Windows.MessageBox.Show(this, message, "VPN", MessageBoxButton.OK, MessageBoxImage.Error);
+    }
+
+    private void Close_Click(object sender, RoutedEventArgs e) => Close();
+}