using Godot;
using System;
using System.Drawing;
using BITKit;

namespace BITFactory.CSG
{
	[Tool]
	public partial class CSGBoxSubdivision : Node3D
	{
		[Export]
		private Vector3 Size
		{
			get => _size;
			set
			{
				_size = value;
				Rebuild();
			}
		}
		[Export]
		public int Level
		{
			get => _level;
			set
			{
				Rebuild();
				_level = value;
			}
		}
		private int _level;
		private Vector3 _size;
		public override void _Ready()
		{
			base._Ready();
			Rebuild();
		}

		private void Rebuild()
		{
			foreach (var child in GetChildren())
			{
				if (child is CsgBox3D box)
				{
					box.QueueFree();
				}
			}

			var smallBoxSize = _size / _level;
			for (var x = 0; x < _level; x++)
			{
				for (var y = 0; y < _level; y++)
				{
					var box = new CsgBox3D();
					AddChild(box);
					box.Size = smallBoxSize;
					box.Position = new Vector3(x * smallBoxSize.X, y * smallBoxSize.Y, 0);
				}
			}
		}
	}

}