using Godot;
using Newlon.Resources;

[Tool]
public partial class DnDSeedpacket : TextureButton
{
	[Signal] public delegate void SaveCallbackEventHandler();
	[Export] private TextureRect preview;
	public PlantResource HeldResource;

	public override bool _CanDropData(Vector2 atPosition, Variant data)
	{
		if (data.VariantType == Variant.Type.Dictionary)
		{
			if ((string)data.AsGodotDictionary()["type"] == "files")
			{
				return ResourceLoader.Load(data.AsGodotDictionary()["files"].AsGodotArray<string>()[0]) is PlantResource;
			}
		}
		return false;
	}

	public override void _DropData(Vector2 atPosition, Variant data)
	{
		HeldResource = ResourceLoader.Load(data.AsGodotDictionary()["files"].AsGodotArray<string>()[0]) as PlantResource;
		Update();
	}
	public override void _Pressed()
	{
		HeldResource = null;
		Update();
    }

	private void Update()
	{
		RefreshTexture();
		EmitSignal(SignalName.SaveCallback);
	}
	public void RefreshTexture()
	{
		if (HeldResource != null)
		{
			preview.Texture = HeldResource.Preview;
		}
		else
		{
			preview.Texture = null;
		}
	}

}