using Godot;
using System;
// ReSharper disable MemberCanBePrivate.Global

namespace BITKit;
public partial class NodeBuilder : Node
{
	[Export] private bool clearOnStart = true;
	[Export] private bool clearTemplateOnly = true;
	[Export] private Control container;
	[ExportCategory("UX")]
	[Export] private Control emptyHints;
	[ExportCategory("Template")]
	[Export] private PackedScene template;

	public override void _Ready()
	{
		if (clearOnStart)
		{
			Clear();
		}
	}

	public Node Build()
	{
		var instance = template.Instantiate();
		if (container is not null)
		{
			container.AddChild(instance);
		}
		else
		{
			AddChild(instance);
		}
		emptyHints?.Hide();
		return instance;
	}
	public T Build<T>() where T : Node
	{
		var instance = Build() as T;
		return instance;
	}
	public void Clear()
	{
		emptyHints?.Show();
		if (clearTemplateOnly)
		{
			foreach (var x in container is not null ? container.GetChildren() : GetChildren())
			{
				if(x.SceneFilePath == template.ResourcePath)
					x.QueueFree();
			}
		}
		else
		{
			MathNode.ClearChild(container is not null ? container:this);
		}
	}
}