using System;
using Cysharp.Threading.Tasks;
using MagicaCloth2;
using PhxhSDK;
using UnityEngine;
using Object = UnityEngine.Object;

namespace Framework.Wrapper
{
    public class Unit : IDisposable
    {
        public enum UnitType
        {
            Charactor,
            Vehicle,
        }

        public Skeleton Skeleton;
        public RendererWrapper RendererWrapper;
        public BoxCollider[] BoxColliders;
        public ParticleSystem[] ParticleSystems;
        public MeshFilter MeshFilter;
        public Animator RawAnimator;
        public SkinnedMeshRenderer SkinnedMeshRenderer;
        public MagicaCloth MagicaCloth;

        public bool isDisposed { get; protected set; } = false;

        public Node Node
        {
            get { return _node; }
        }

        enum LoadStatus
        {
            NotLoad,
            Loading,
            Loaded,
        }

        private uint _id;
        protected Node _node = new Node();
        private GameObjectWrapper _goWrapper;
        private LoadStatus _loadStatus = LoadStatus.NotLoad;
        // private bool isDisposed = false;
        private string _path;

        public string Path
        {
            get { return _path; }
        }


        public Unit(uint id)
        {
            _id = id;
        }

        public uint GetID()
        {
            return _id;
        }

        public GameObject Load(string path)
        {
            _loadStatus = LoadStatus.Loading;
            _path = path;
            UpdateGameObjectName();
            var sampleObj = AssetManager.Instance.GetPreLoadResult<GameObject>(path);
            var instObj = Object.Instantiate(sampleObj);
            _OnLoaded(instObj);
            return _node.GameObject;
        }

        public bool IsLoaded()
        {
            return _loadStatus == LoadStatus.Loaded;
        }

        public void Dispose()
        {
            isDisposed = true;
            OnDispose();
            if (_goWrapper != null)
                _goWrapper.IsActive = false;
            // if (_goWrapper != null) GameplayInfoManager.Instance.UnRegister(_goWrapper.GetInstanceID());
            //Utils.Destroy(_goWrapper?.GameObject);
            if (_goWrapper != null && _goWrapper.GameObject != null)
            {
                Object.Destroy(_goWrapper.GameObject);
            }
            _node?.Dispose();
            _node = null;
            _loadStatus = LoadStatus.NotLoad;
            EventManager.Instance.Send(EventManager.EventName.UnitDispose, _id);
        }

        public bool IsDispose()
        {
            return _node == null;
        }

        protected virtual void UpdateGameObjectName()
        {
            SetName(string.Format("Unit_{0}_{1}", _id, _path));
        }

        public void Log(string str)
        {
            if (DebugUtil.LogEnable)
                DebugUtil.Log(string.Format("Unit_{0} : {1}", _id, str));
        }

        public void LogError(string str)
        {
            if (DebugUtil.LogEnable)
                DebugUtil.LogError(string.Format("Unit_{0} : {1}", _id, str));
        }

        protected void SetName(string name)
        {
            _node.Name = name;
        }

        private void _OnLoaded(GameObject instObj)
        {
            if (IsDispose())
            {
                return;
            }

            if (instObj == null)
            {
                DebugUtil.LogError("Unit Load Error: path = {0}", _path);
                return;
            }

            var go = instObj;
            if (go != null)
            {
                _goWrapper = new GameObjectWrapper(go);
                var collector = new ComponentCollector(go);
                Skeleton = new Skeleton(collector.Transforms, go.transform);
                RendererWrapper = new RendererWrapper(collector.Renderers);
                BoxColliders = collector.BoxColliders;
                ParticleSystems = collector.ParticleSystems;
                MeshFilter = collector.FirstMeshFilter;
                RawAnimator = collector.FirstAnimator;
                MagicaCloth = collector.MagicaClothFirst;

                // 原用与收集unit信息然后进行选中判断,现在已弃用
                // var info = new GameplayInfoManager.GameplayInfo();
                // info.id = _id;
                // info.type = 0;
                // GameplayInfoManager.Instance.Register(_goWrapper.GetInstanceID(), info);
                
                _node.AttachChild(_goWrapper);
                // DebugUtil.Log("------------unit({0}) loaded, path = {1}", _id, _path);

                // 自动设置层级
                _node.GameObject.SetLayerEx(_node.GameObject.layer);
            }
            _loadStatus = LoadStatus.Loaded;
        }

        protected virtual void OnDispose()
        {
            RendererWrapper = null;
            Skeleton = null;
        }
    }
}