using System;
using System.Collections;
using System.Collections.Generic;
using Quadtree;
using UnityEngine;

namespace BITKit.OpenWorld
{
	public class ChunkLodObject : MonoBehaviour, IWorldChunkObject
	{
		[Serializable]
		public struct Data
		{
			public Renderer[] renderers;			
		}

		[SerializeField]
		private Data[] lodObjects;
		[SerializeField,ReadOnly] private int _lod = -1;
		[SerializeField,ReadOnly] private int id;
		[SerializeField] private Vector3 initialSize;
		private Bounds _bounds;
		public Bounds GetBounds() => _bounds;
		public Node<IWorldChunkObject> ParentNode { get; set; }
		public void QuadTree_Root_Initialized(IQuadtreeRoot<IWorldChunkObject, Node<IWorldChunkObject>> root)
		{
		}
		public int Id
		{
			get=>id;
			set=>id = value;
		}
		public int Lod
		{
			get=>_lod;
			set
			{
				if (_lod is not -1)
				{
					foreach (var x in lodObjects[_lod].renderers)
					{
						if(x)x.enabled = false;
					}
				}
				_lod = value;
				if (_lod is -1) return;
				if (lodObjects.Length <= _lod) return;
				foreach (var x in lodObjects[_lod].renderers)
				{
					if(x)x.enabled = true;
				}
			}
		}


		private void Start()
		{
			_bounds = new Bounds(transform.position, initialSize);
			foreach (var x in lodObjects)
			foreach (var xx in x.renderers)
			{
				xx.enabled = false;
			}
			UnityWorldChunkService.Singleton.Register(this);
			destroyCancellationToken.Register(Dispose);
		}

		private void Dispose()
		{
			UnityWorldChunkService.Singleton.Unregister(this);
		}
	}
}