using Godot;

[Tool]
public partial class UNI_GridItem : PanelContainer
{
	private string path;
	public int index;
	[Signal] public delegate void ResourceChangedEventHandler(string path, int index);
	public void SetData(string data)
	{
		path = data;
		UpdateContent();
	}
	private void UpdateContent()
	{
		if (path == null || path == "")
		{
			GetNode<TextureRect>("Texture").Texture = null;
			return;
		}
		GetNode<TextureRect>("Texture").Call("set_path", path);
	}

	public override Variant _GetDragData(Vector2 atPosition)
	{
		return path;
	}
	public override bool _CanDropData(Vector2 atPosition, Variant data)
	{
		return data.AsGodotDictionary<string, string>().ContainsKey("files") && ResourceLoader.Exists(data.AsGodotDictionary<string, Variant>()["files"].AsStringArray()[0]);
	}
	public override void _DropData(Vector2 atPosition, Variant data)
	{
		SetData(data.AsGodotDictionary<string, Variant>()["files"].AsStringArray()[0]);
		EmitSignal(SignalName.ResourceChanged, path, index);

    }
	public override void _GuiInput(InputEvent @event)
	{
		if (@event is InputEventMouseButton buttonEvent && buttonEvent.ButtonIndex == MouseButton.Right )
		{
			SetData(null);
			EmitSignal(SignalName.ResourceChanged, path, index);
		}
    }
}