using Godot;
using Newlon.Resources;


[Tool]
public partial class ZE_GridItem : Control
{
	private ZombieResource resource;
	public int index;
	[Signal] public delegate void ResourceChangedEventHandler(ZombieResource resource, int index);
	public void SetData(ZombieResource data)
	{
		resource = data;
		UpdateContent();
	}
	private void UpdateContent()
	{
		if (resource == null)
		{
			GetNode<TextureRect>("Texture").Texture = null;
			return;
		}
		GetNode<TextureRect>("Texture").Texture = resource.Preview;
	}

	public override Variant _GetDragData(Vector2 atPosition)
	{
		return resource;
	}
	public override bool _CanDropData(Vector2 atPosition, Variant data)
	{
		return data.AsGodotObject() is ZombieResource;
	}
	public override void _DropData(Vector2 atPosition, Variant data)
	{
		SetData((ZombieResource)data.AsGodotObject());
		EmitSignal(SignalName.ResourceChanged, resource, index);
    }
	public override void _GuiInput(InputEvent @event)
	{
		if (@event is InputEventMouseButton buttonEvent && buttonEvent.ButtonIndex == MouseButton.Right )
		{
			SetData(null);
			EmitSignal(SignalName.ResourceChanged, resource, index);
		}
    }

}