using static System.Net.Mime.MediaTypeNames;

namespace Terminal.Gui.ApplicationTests;

public class ApplicationPopoverTests
{
    [Fact]
    public void Popover_ApplicationInit_Inits ()
    {
        // Arrange
        Assert.Null (Application.Popover);
        Application.Init (new FakeDriver ());

        // Act
        Assert.NotNull (Application.Popover);

        Application.ResetState (true);
    }

    [Fact]
    public void Popover_ApplicationShutdown_CleansUp ()
    {
        // Arrange
        Assert.Null (Application.Popover);
        Application.Init (new FakeDriver ());

        // Act
        Assert.NotNull (Application.Popover);

        Application.Shutdown ();

        // Test
        Assert.Null (Application.Popover);
    }

    [Fact]
    public void Popover_NotCleanedUp_On_End ()
    {
        // Arrange
        Assert.Null (Application.Popover);
        Application.Init (new FakeDriver ());
        Assert.NotNull (Application.Popover);
        Application.Iteration += (s, a) => Application.RequestStop ();

        var top = new Toplevel ();
        RunState rs = Application.Begin (top);

        // Act
        Application.End (rs);

        // Test
        Assert.NotNull (Application.Popover);

        top.Dispose ();
        Application.Shutdown ();
    }

    [Fact]
    public void Popover_Active_Hidden_On_End ()
    {
        // Arrange
        Assert.Null (Application.Popover);
        Application.Init (new FakeDriver ());
        Application.Iteration += (s, a) => Application.RequestStop ();

        var top = new Toplevel ();
        RunState rs = Application.Begin (top);

        IPopoverTestClass popover = new ();

        Application.Popover?.ShowPopover (popover);
        Assert.True (popover.Visible);

        // Act
        Application.End (rs);
        top.Dispose ();

        // Test
        Assert.False (popover.Visible);
        Assert.NotNull (Application.Popover);

        popover.Dispose ();
        Application.Shutdown ();
    }

    public class IPopoverTestClass : View, IPopover
    {
        public List<Key> HandledKeys { get; } = new List<Key> ();
        public int NewCommandInvokeCount { get; private set; }

        public IPopoverTestClass ()
        {
            CanFocus = true;
            AddCommand (Command.New, NewCommandHandler);
            HotKeyBindings.Add (Key.N.WithCtrl, Command.New);

            bool? NewCommandHandler (ICommandContext ctx)
            {
                NewCommandInvokeCount++;

                return false;
            }
        }

        protected override bool OnKeyDown (Key key)
        {
            HandledKeys.Add (key);
            return false;
        }
    }
    //[Fact]
    //public void Popover_SetToNull ()
    //{
    //    // Arrange
    //    var popover = new View ();
    //    Application.Popover = popover;

    //    // Act
    //    Application.Popover = null;

    //    // Assert
    //    Assert.Null (Application.Popover);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_VisibleChangedEvent ()
    //{
    //    // Arrange
    //    var popover = new View ()
    //    {
    //        Visible = false
    //    };
    //    Application.Popover = popover;
    //    bool eventTriggered = false;

    //    popover.VisibleChanged += (sender, e) => eventTriggered = true;

    //    // Act
    //    popover.Visible = true;

    //    // Assert
    //    Assert.True (eventTriggered);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_InitializesCorrectly ()
    //{
    //    // Arrange
    //    var popover = new View ();

    //    // Act
    //    Application.Popover = popover;

    //    // Assert
    //    Assert.True (popover.IsInitialized);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_SetsColorScheme ()
    //{
    //    // Arrange
    //    var popover = new View ();
    //    var topColorScheme = new ColorScheme ();
    //    Application.Top = new Toplevel { ColorScheme = topColorScheme };

    //    // Act
    //    Application.Popover = popover;

    //    // Assert
    //    Assert.Equal (topColorScheme, popover.ColorScheme);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_VisibleChangedToTrue_SetsFocus ()
    //{
    //    // Arrange
    //    var popover = new View ()
    //    {
    //        Visible = false,
    //        CanFocus = true
    //    };
    //    Application.Popover = popover;

    //    // Act
    //    popover.Visible = true;

    //    // Assert
    //    Assert.True (popover.Visible);
    //    Assert.True (popover.HasFocus);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Theory]
    //[InlineData(-1, -1)]
    //[InlineData (0, 0)]
    //[InlineData (2048, 2048)]
    //[InlineData (2049, 2049)]
    //public void Popover_VisibleChangedToTrue_Locates_In_Visible_Position (int x, int y)
    //{
    //    // Arrange
    //    var popover = new View ()
    //    {
    //        X = x,
    //        Y = y,
    //        Visible = false,
    //        CanFocus = true,
    //        Width = 1,
    //        Height = 1
    //    };
    //    Application.Popover = popover;

    //    // Act
    //    popover.Visible = true;
    //    Application.LayoutAndDraw();

    //    // Assert
    //    Assert.True (Application.Screen.Contains (popover.Frame));

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_VisibleChangedToFalse_Hides_And_Removes_Focus ()
    //{
    //    // Arrange
    //    var popover = new View ()
    //    {
    //        Visible = false,
    //        CanFocus = true
    //    };
    //    Application.Popover = popover;
    //    popover.Visible = true;

    //    // Act
    //    popover.Visible = false;

    //    // Assert
    //    Assert.False (popover.Visible);
    //    Assert.False (popover.HasFocus);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_Quit_Command_Hides ()
    //{
    //    // Arrange
    //    var popover = new View ()
    //    {
    //        Visible = false,
    //        CanFocus = true
    //    };
    //    Application.Popover = popover;
    //    popover.Visible = true;
    //    Assert.True (popover.Visible);
    //    Assert.True (popover.HasFocus);

    //    // Act
    //    Application.RaiseKeyDownEvent (Application.QuitKey);

    //    // Assert
    //    Assert.False (popover.Visible);
    //    Assert.False (popover.HasFocus);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_MouseClick_Outside_Hides_Passes_Event_On ()
    //{
    //    // Arrange
    //    Application.Top = new Toplevel ()
    //    {
    //        Id = "top",
    //        Height = 10,
    //        Width = 10,
    //    };

    //    View otherView = new ()
    //    {
    //        X = 1,
    //        Y = 1,
    //        Height = 1,
    //        Width = 1,
    //        Id = "otherView",
    //    };

    //    bool otherViewPressed = false;
    //    otherView.MouseEvent += (sender, e) =>
    //                            {
    //                                otherViewPressed = e.Flags.HasFlag(MouseFlags.Button1Pressed);
    //                            };

    //    Application.Top.Add (otherView);

    //    var popover = new View ()
    //    {
    //        Id = "popover",
    //        X = 5,
    //        Y = 5,
    //        Width = 1,
    //        Height = 1,
    //        Visible = false,
    //        CanFocus = true
    //    };

    //    Application.Popover = popover;
    //    popover.Visible = true;
    //    Assert.True (popover.Visible);
    //    Assert.True (popover.HasFocus);

    //    // Act
    //    // Click on popover
    //    Application.RaiseMouseEvent (new () { Flags = MouseFlags.Button1Pressed, ScreenPosition = new (5, 5) });
    //    Assert.True (popover.Visible);

    //    // Click outside popover (on button)
    //    Application.RaiseMouseEvent (new () { Flags = MouseFlags.Button1Pressed, ScreenPosition = new (1, 1) });

    //    // Assert
    //    Assert.True (otherViewPressed);
    //    Assert.False (popover.Visible);

    //    Application.Top.Dispose ();
    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Theory]
    //[InlineData (0, 0, false)]
    //[InlineData (5, 5, true)]
    //[InlineData (10, 10, false)]
    //[InlineData (5, 10, false)]
    //[InlineData (9, 9, false)]
    //public void Popover_MouseClick_Outside_Hides (int mouseX, int mouseY, bool expectedVisible)
    //{
    //    // Arrange
    //    Application.Top = new Toplevel ()
    //    {
    //        Id = "top",
    //        Height = 10,
    //        Width = 10,
    //    };
    //    var popover = new View ()
    //    {
    //        Id = "popover",
    //        X = 5,
    //        Y = 5,
    //        Width = 1,
    //        Height = 1,
    //        Visible = false,
    //        CanFocus = true
    //    };

    //    Application.Popover = popover;
    //    popover.Visible = true;
    //    Assert.True (popover.Visible);
    //    Assert.True (popover.HasFocus);

    //    // Act
    //    Application.RaiseMouseEvent (new () { Flags = MouseFlags.Button1Pressed, ScreenPosition = new (mouseX, mouseY) });

    //    // Assert
    //    Assert.Equal (expectedVisible, popover.Visible);

    //    Application.Top.Dispose ();
    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_SetAndGet_ReturnsCorrectValue ()
    //{
    //    // Arrange
    //    var view = new View ();

    //    // Act
    //    Application.Popover = view;

    //    // Assert
    //    Assert.Equal (view, Application.Popover);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_SetToNull_HidesPreviousPopover ()
    //{
    //    // Arrange
    //    var view = new View { Visible = true };
    //    Application.Popover = view;

    //    // Act
    //    Application.Popover = null;

    //    // Assert
    //    Assert.False (view.Visible);
    //    Assert.Null (Application.Popover);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_SetNewPopover_HidesPreviousPopover ()
    //{
    //    // Arrange
    //    var oldView = new View { Visible = true };
    //    var newView = new View ();
    //    Application.Popover = oldView;

    //    // Act
    //    Application.Popover = newView;

    //    // Assert
    //    Assert.False (oldView.Visible);
    //    Assert.Equal (newView, Application.Popover);

    //    Application.ResetState (ignoreDisposed: true);
    //}

    //[Fact]
    //public void Popover_SetNewPopover_InitializesAndSetsProperties ()
    //{
    //    // Arrange
    //    var view = new View ();

    //    // Act
    //    Application.Popover = view;

    //    // Assert
    //    Assert.True (view.IsInitialized);
    //    Assert.True (view.Arrangement.HasFlag (ViewArrangement.Overlapped));
    //    Assert.Equal (Application.Top?.ColorScheme, view.ColorScheme);

    //    Application.ResetState (ignoreDisposed: true);
    //}
}