using Godot;

public sealed partial class MeetingControlDragData(MeetingControl meetingControl) : GodotObject
{
    public MeetingControl MeetingControl { get; set; } = meetingControl;
}

[SceneTree]
public partial class MeetingControl : Control
{
    [Export]
    public MeetingPhysicsBox MeetingPhysicsBox;

    public bool InSlot { get; set; }

    public override void _Ready()
    {
        // TODO: make this more pretty
        MeetingControlGfx.MeetingResource = MeetingPhysicsBox.MeetingResource;
    }

    public override Variant _GetDragData(Vector2 atPosition)
    {
        var preview = CreatePreview();
        SetDragPreview(preview);
        Visible = false;

        InSlot = false;

        return Variant.From(new MeetingControlDragData(this));
    }

    public void StartDrag()
    {
        var preview = CreatePreview();
        var data = Variant.From(new MeetingControlDragData(this));

        ForceDrag(data, preview);
    }

    public override void _Notification(int what)
    {
        if (what == NotificationDragEnd)
        {
            if (InSlot)
            {
                return;
            }

            FindParent("Main").AddChild(MeetingPhysicsBox);
            MeetingPhysicsBox.Position = GetGlobalMousePosition();
            QueueFree();
        }
    }

    private Control CreatePreview()
    {
        var copy = Duplicate() as MeetingControl;
        var preview = new Control();
        preview.AddChild(copy);
        copy.Position = new Vector2(-Size.X / 2, -Size.Y / 2);

        return preview;
    }
}