M5: Windows client moderation UI; add C ABI getters for account list, user mute/deafen, channel topic

clients/windows/VoiceCat.App/Forms/AccountsDialog.cs

@@ -0,0 +1,200 @@
+using VoiceCat.Interop;
+
+namespace VoiceCat.App.Forms;
+
+/// <summary>
+/// Admin account management: list, create, reset password, and delete server accounts.
+/// </summary>
+public sealed class AccountsDialog : Form
+{
+    private readonly VoiceCatClient _client;
+    private readonly ListView _lvAccounts;
+    private readonly Button _btnRefresh;
+    private readonly Button _btnAdd;
+    private readonly Button _btnResetPassword;
+    private readonly Button _btnDelete;
+
+    public AccountsDialog(VoiceCatClient client)
+    {
+        _client = client;
+
+        Text = "Server accounts";
+        FormBorderStyle = FormBorderStyle.Sizable;
+        StartPosition = FormStartPosition.CenterParent;
+        AutoScaleMode = AutoScaleMode.Font;
+        ClientSize = new Size(560, 360);
+        MinimumSize = new Size(420, 260);
+
+        _lvAccounts = new ListView
+        {
+            View = View.Details,
+            FullRowSelect = true,
+            GridLines = true,
+            Dock = DockStyle.Fill,
+            TabIndex = 0,
+        };
+        _lvAccounts.Columns.Add("Username", 160);
+        _lvAccounts.Columns.Add("Admin", 50);
+        _lvAccounts.Columns.Add("Created", 130);
+        _lvAccounts.Columns.Add("Last login", 130);
+        _lvAccounts.SelectedIndexChanged += (_, _) => UpdateButtons();
+
+        var pnlButtons = new Panel
+        {
+            Dock = DockStyle.Bottom,
+            Height = 44,
+        };
+
+        _btnRefresh = new Button
+        {
+            Text = "&Refresh",
+            Location = new Point(12, 9),
+            Size = new Size(75, 27),
+            TabIndex = 1,
+        };
+        _btnRefresh.Click += (_, _) => RefreshList();
+
+        _btnAdd = new Button
+        {
+            Text = "&Add...",
+            Location = new Point(100, 9),
+            Size = new Size(75, 27),
+            TabIndex = 2,
+        };
+        _btnAdd.Click += (_, _) => AddAccount();
+
+        _btnResetPassword = new Button
+        {
+            Text = "&Reset password...",
+            Location = new Point(188, 9),
+            Size = new Size(120, 27),
+            TabIndex = 3,
+            Enabled = false,
+        };
+        _btnResetPassword.Click += (_, _) => ResetPassword();
+
+        _btnDelete = new Button
+        {
+            Text = "&Delete",
+            Location = new Point(320, 9),
+            Size = new Size(75, 27),
+            TabIndex = 4,
+            Enabled = false,
+        };
+        _btnDelete.Click += (_, _) => DeleteAccount();
+
+        pnlButtons.Controls.AddRange([_btnRefresh, _btnAdd, _btnResetPassword, _btnDelete]);
+
+        Controls.Add(_lvAccounts);
+        Controls.Add(pnlButtons);
+
+        Load += (_, _) => RefreshList();
+    }
+
+    private void UpdateButtons()
+    {
+        bool selected = _lvAccounts.SelectedItems.Count > 0;
+        _btnResetPassword.Enabled = selected;
+        _btnDelete.Enabled = selected;
+    }
+
+    private void RefreshList()
+    {
+        _client.RequestAccountList();
+        // The event will come back asynchronously; poll briefly for the list.
+        var deadline = DateTime.UtcNow.AddSeconds(2);
+        List<AccountInfo>? accounts = null;
+        while (DateTime.UtcNow < deadline)
+        {
+            _client.PumpEvents();
+            accounts = _client.ListAccounts();
+            if (accounts.Count > 0) break;
+            Thread.Sleep(30);
+        }
+        accounts ??= _client.ListAccounts();
+
+        _lvAccounts.BeginUpdate();
+        _lvAccounts.Items.Clear();
+        foreach (var a in accounts.OrderBy(a => a.Username))
+        {
+            var item = new ListViewItem(a.Username);
+            item.SubItems.Add(a.IsAdmin ? "Yes" : "No");
+            item.SubItems.Add(FormatDate(a.CreatedAtUnixMs));
+            item.SubItems.Add(FormatDate(a.LastLoginUnixMs));
+            _lvAccounts.Items.Add(item);
+        }
+        _lvAccounts.EndUpdate();
+        UpdateButtons();
+    }
+
+    private static string FormatDate(ulong ms)
+    {
+        if (ms == 0) return "—";
+        try
+        {
+            return DateTimeOffset.FromUnixTimeMilliseconds((long)ms).LocalDateTime.ToString("g");
+        }
+        catch
+        {
+            return "—";
+        }
+    }
+
+    private void AddAccount()
+    {
+        using var userDlg = new InputDialog("Add account", "&Username:");
+        if (userDlg.ShowDialog(this) != DialogResult.OK || string.IsNullOrWhiteSpace(userDlg.TextValue))
+            return;
+
+        using var pwDlg = new PasswordPromptDialog($"Password for {userDlg.TextValue}:");
+        if (pwDlg.ShowDialog(this) != DialogResult.OK || string.IsNullOrEmpty(pwDlg.Password))
+            return;
+
+        var r = _client.CreateAccount(userDlg.TextValue, pwDlg.Password);
+        if (r != VcResult.Ok)
+        {
+            MessageBox.Show(this, $"Create account failed: {r}", "VoiceCat",
+                MessageBoxButtons.OK, MessageBoxIcon.Warning);
+            return;
+        }
+        RefreshList();
+    }
+
+    private void ResetPassword()
+    {
+        if (_lvAccounts.SelectedItems.Count == 0) return;
+        string username = _lvAccounts.SelectedItems[0].Text;
+
+        using var dlg = new PasswordPromptDialog($"New password for {username}:");
+        if (dlg.ShowDialog(this) != DialogResult.OK || string.IsNullOrEmpty(dlg.Password))
+            return;
+
+        var r = _client.ResetPassword(username, dlg.Password);
+        if (r != VcResult.Ok)
+        {
+            MessageBox.Show(this, $"Reset password failed: {r}", "VoiceCat",
+                MessageBoxButtons.OK, MessageBoxIcon.Warning);
+            return;
+        }
+        RefreshList();
+    }
+
+    private void DeleteAccount()
+    {
+        if (_lvAccounts.SelectedItems.Count == 0) return;
+        string username = _lvAccounts.SelectedItems[0].Text;
+
+        var confirm = MessageBox.Show(this, $"Delete account '{username}'?",
+            "VoiceCat", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
+        if (confirm != DialogResult.Yes) return;
+
+        var r = _client.DeleteAccount(username);
+        if (r != VcResult.Ok)
+        {
+            MessageBox.Show(this, $"Delete account failed: {r}", "VoiceCat",
+                MessageBoxButtons.OK, MessageBoxIcon.Warning);
+            return;
+        }
+        RefreshList();
+    }
+}