using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using Cysharp.Threading.Tasks;
using kcp2k;
using Quadtree;
using Quadtree.Items;
using UnityEngine;
using UnityEngine.Pool;

namespace BITKit.Sensors
{
	public struct ClassicNoise{}
	public class AudioSensorService : MonoBehaviour
	{
		public static readonly HashSet<int> LockHash = new();
		public class AudioSensorData:IItem<AudioSensorData,Node<AudioSensorData>>
		{
			public int Id;
			public Vector3 Position;
			public float Radius;
			public Transform Transform;
			public Bounds Bounds;
			public ITag Tag;
			public object NoiseType;
			public float ExpirationTime;
			public Bounds GetBounds() => Bounds;
			public Node<AudioSensorData> ParentNode { get; set; }
			public void QuadTree_Root_Initialized(IQuadtreeRoot<AudioSensorData, Node<AudioSensorData>> root){}
		}
		internal static readonly QuadtreeRoot<AudioSensorData, Node<AudioSensorData>> QuadtreeRoot =
			new(default, Vector3.one * 2048);

		private static readonly Pool<AudioSensorData> pool = new(()=>new AudioSensorData(), x=>{}, 1000);
		private static readonly ConcurrentQueue<AudioSensorData> registerQueue = new();
		private static int count;
		private static readonly Queue<int> freeIds = new();
		private static readonly ConcurrentDictionary<int, AudioSensorData> dictionary = new();

		public static void MakeNoise(Vector3 position, Transform transform, float radius = 1,
			object noiseType = null)
		{
			var data = pool.Take();
			data.Id = count++;
			data.Position = position;
			data.Transform = transform;
			data.Bounds = new Bounds(position, Vector3.one * 1);
			if (transform)
				data.Tag = transform.GetComponent<ITag>();
			data.Radius = radius;
			data.ExpirationTime = Time.time + 0.5f;
			
			registerQueue.Enqueue(data);
		}
		[SerializeReference, SubclassSelector] private ITicker ticker;

		private void Start()
		{
			ticker.Add(OnTick);
			destroyCancellationToken.Register(Dispose);
			pool.Clear();
		}

		private void Dispose()
		{
			registerQueue.Clear();
			ticker.Remove(OnTick);
			QuadtreeRoot.Clear();
		}

		private void OnTick(float obj)
		{
			if (LockHash.Count > 0) return;
			
	
			while (registerQueue.TryDequeue(out var data))
			{
		
				if (data.ExpirationTime < Time.time)
				{
					pool.Return(data);
					continue;
				}
				
				QuadtreeRoot.Insert(data);
				dictionary.TryAdd(data.Id, data);
			}
			var currentTime = Time.time;
			foreach (var (id, data) in dictionary)
			{
				if (data.ExpirationTime > currentTime) continue;
				freeIds.Enqueue(id);
				QuadtreeRoot.Remove(data);
				pool.Return(data);
			}
			while (freeIds.TryDequeue(out var id))
			{
				dictionary.TryRemove(id, out _);
			}
		}
	}

}