using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using UnityEngine;
using UnityEngine.Events;
using System.Threading.Tasks;

using System.Runtime.CompilerServices;
using System.Collections.Concurrent;
using Cysharp.Threading.Tasks;
namespace BITKit
{
    public class BehaviourHelper : MonoBehaviour, IMainTicker
    {
        public static Action OnStop;
        public static bool Actived;
        static BehaviourHelper Singleton;
        ConcurrentQueue<Action> queue = new();
        List<Action<float>> Updates = new();
        List<Action<float>> FixedUpdates = new();
        public void Add(Action action)
        {
            queue.Enqueue(action);
        }
        public void AddUpdate(Action<float> action)
        {
            Updates.Add(action);
        }
        public void AddFixedUpdate(Action<float> action)
        {
            FixedUpdates.Add(action);
        }
        public void RemoveUpdate(Action<float> action)
        {
            Updates.Remove(action);
        }
        public void RemoveFixedUpdate(Action<float> action)
        {
            FixedUpdates.Remove(action);
        }
        void Update()
        {
            lock (queue)
            {
                while (queue.TryDequeue(out var action))
                {
                    try
                    {
                        action.Invoke();
                    }
                    catch (System.Exception e)
                    {
                        Debug.LogError(e);
                    }
                }
            }
            foreach (var update in Updates.ToArray())
            {
                update.Invoke(Time.deltaTime);
            }
        }
        void FixedUpdate()
        {
            foreach (var fixedUpdate in FixedUpdates.ToArray())
            {
                fixedUpdate.Invoke(Time.fixedDeltaTime);
            }
        }

        void OnDestroy()
        {
            OnStop?.Invoke();
        }
        [RuntimeInitializeOnLoadMethod]
        static void Initialize()
        {
            GameObject go = new();
            GameObject.DontDestroyOnLoad(go);
            var behaviourHelper = go.AddComponent<BehaviourHelper>();
            Singleton = behaviourHelper;
            DI.Register<IMainTicker>(behaviourHelper);
            Debug.Log($"{nameof(IMainTicker)}已创建");
            go.name = nameof(BehaviourHelper);
            go.hideFlags = HideFlags.NotEditable;
        }
    }
}