using Godot;

public partial class AdminControls : HBoxContainer {
  [Export] public Button BecomeAdmin;
  [Export] public Button StartTournament;
  [Export] public Button CancelTournament;
  [Export] public Label Label;
  [Export] public Slider Timeout;

  public override void _Ready() {
    Connection.Instance.OnBecomeAdmin += UpdateUI;
    Connection.Instance.OnTournamentEnd += UpdateUI;
    Connection.Instance.OnStartTournament += UpdateUI;
    Connection.Instance.OnCancelTournamentAck += UpdateUI;
    Connection.Instance.OnGetDataAcks += UpdateUI;
    Connection.Instance.OnSetDataAcks += UpdateUI;

    StartTournament.Pressed += () => Connection.Instance.StartTournament();
    CancelTournament.Pressed += () => Connection.Instance.CancelTournament();

    UpdateUI();

    Timeout.ValueChanged += value =>
    {
      Connection.Instance.SetMoveWait((float)value);
      var time = Connection.Instance.CurrentWaitTimeout.ToString();
      if (time.Length > 3) {
        time = time.Substring(0, 3);
      }
      Label.Text = "Wait To Move: " + time + "s ";
    };

    BecomeAdmin.Pressed += showAuthPopup;
  }

  public override void _ExitTree() {
    Connection.Instance.OnBecomeAdmin -= UpdateUI;
    Connection.Instance.OnTournamentEnd -= UpdateUI;
    Connection.Instance.OnStartTournament -= UpdateUI;
    Connection.Instance.OnCancelTournamentAck -= UpdateUI;
    Connection.Instance.OnGetDataAcks -= UpdateUI;
    Connection.Instance.OnSetDataAcks -= UpdateUI;
  }

  private void UpdateUI() {
    if (!Connection.Instance.IsAdmin) {
      BecomeAdmin.Show();
      StartTournament.Hide();
      CancelTournament.Hide();
      Label.Hide();
      Timeout.Hide();
    } else {
      BecomeAdmin.Hide();
      Label.Show();
      Timeout.Show();
    }

    if (Connection.Instance.IsAdmin && Connection.Instance.DemoMode) {
      StartTournament.Hide();
      CancelTournament.Hide();
    } else if (Connection.Instance.IsAdmin && Connection.Instance.ActiveTournament != TournamentType.None) {
      StartTournament.Hide();
      CancelTournament.Show();
    } else if (Connection.Instance.IsAdmin) {
      StartTournament.Show();
      CancelTournament.Hide();
    }

    Timeout.Value = Connection.Instance.CurrentWaitTimeout;
    var time = Connection.Instance.CurrentWaitTimeout.ToString();
    if (time.Length > 3) {
      time = time.Substring(0, 3);
    }

    Label.Text = "Wait To Move: " + time + "s ";
  }

  private void showAuthPopup() {
    var authWindow = new Window();
    authWindow.Theme = GD.Load<Theme>("res://assets/theme.tres");
    authWindow.AlwaysOnTop = true;
    authWindow.MaximizeDisabled = true;
    authWindow.Unresizable = true;
    authWindow.InitialPosition = Window.WindowInitialPosition.CenterMainWindowScreen;
    authWindow.Size = new Vector2I(256, 128);
    authWindow.CloseRequested += () =>
    {
      GetTree().Root.CallDeferred(Node.MethodName.RemoveChild, authWindow);
    };

    var vbox = new VBoxContainer();
    vbox.LayoutMode = 1;
    vbox.AnchorBottom = 1.0f;
    vbox.AnchorRight = 1.0f;
    vbox.GrowHorizontal = GrowDirection.Both;
    vbox.GrowVertical = GrowDirection.Both;
    vbox.Alignment = AlignmentMode.Center;

    var passwordBox = new TextEdit();
    passwordBox.PlaceholderText = "Password";
    passwordBox.SetCustomMinimumSize(new Vector2(32, 32));

    passwordBox.GuiInput += e =>
    {
      if (passwordBox.HasFocus() && e is InputEventKey inputEventKey && inputEventKey.IsPressed()) {
        if (inputEventKey.KeyLabel == Key.Enter) {
          Connection.Instance.AdminAuth(passwordBox.Text);
          GetTree().Root.CallDeferred(Node.MethodName.RemoveChild, authWindow);
          GetViewport().SetInputAsHandled();
        }

        if (inputEventKey.KeyLabel == Key.Space) {
          GetViewport().SetInputAsHandled();
        }
      }
    };

    var button = new Button();
    button.Text = "Login";
    button.Pressed += () =>
    {
      Connection.Instance.AdminAuth(passwordBox.Text);
      GetTree().Root.CallDeferred(Node.MethodName.RemoveChild, authWindow);
    };

    vbox.AddChild(passwordBox);
    vbox.AddChild(button);

    authWindow.AddChild(vbox);

    GetTree().Root.AddChild(authWindow);
  }
}