using System;
using System.Collections.Generic;
using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Common;
using PhxhSDK;
using UnityEngine;
using Constants = Framework.Constants;

public class TeamPreviewNode: MonoBehaviour
{
    public Transform[] characterPos;
    public Transform vehiclePos;
    public Transform cRoot;
    public Transform vRoot;

    public struct CharAddData
    {
        public uint ID;
        public int Idx;
    }

    public RenderTexture RTexture => _rTexture;

    private Dictionary<int, GameObject> _characterDic;
    private GameObject _vehicleGo;

    private uint[] _charIDs;
    private uint _vehicleID;

    private bool _isLoading;
    private int _teamIdx;

    private RenderTexture _rTexture;

    private void Awake()
    {
        EventManager.Instance.Register(EventManager.EventName.TeamEditModelCreate, (Action<CharAddData>)OnCharModelCreate);
        EventManager.Instance.Register(EventManager.EventName.TeamEditModelClear, (Action<int>)OnCharModelClear);
    }

    private void OnDestroy()
    {
        EventManager.Instance.Unregister(EventManager.EventName.TeamEditModelCreate, (Action<CharAddData>)OnCharModelCreate);
        EventManager.Instance.Unregister(EventManager.EventName.TeamEditModelClear, (Action<int>)OnCharModelClear);
    }

    public static async UniTask<TeamPreviewNode> LoadNode()
    {
        var prefab = await AssetManager.Instance.LoadAssetAsync<GameObject>(Constants.TEAM_EDIT_PREFAB_PATH);
        var go = Instantiate(prefab, Vector3.up, Quaternion.identity);
        var component = go.GetComponent<TeamPreviewNode>();
        
        return component;
    }

    public static void ReleaseNode(TeamPreviewNode node)
    {
        Destroy(node.gameObject);
    }

    public void RefreshNode(int teamIdx, uint[] charIDs, uint vehicleID)
    {
        ClearObjs();
        SetData(teamIdx, charIDs, vehicleID);
        CreateObjs();
    }
    
    public void ClearObjs()
    {
        cRoot.transform.ClearChilds(true);
        vRoot.transform.ClearChilds(true);
    }

    public async void CreateObjs()
    {
        for (int i = 0; i < _charIDs.Length; i++)
        {
            var dataDic = CharacterDataInfoManager.Instance.DataDic;
            uint id = _charIDs[i];
            bool isValid = dataDic.ContainsKey(id);
            if (isValid)
            {
                var trans = characterPos[i];
                if (!_isLoading)
                {
                    _isLoading = true;
                    await AddCharacterGo(trans, id, i);
                }
            }
        }
        
        _isLoading = true;
        await AddVehicleGo(_vehicleID);
    }

    //初始化
    public async void Init()
    {
        cRoot.transform.ClearChilds(true);
        vRoot.transform.ClearChilds(true);
        
        _rTexture = new RenderTexture(TeamEditManager.Instance.ImageSceneWidth,
            TeamEditManager.Instance.ImageSceneHeight, 0);
        _rTexture.name = "team_rt";
        _rTexture.width = TeamEditManager.Instance.ImageSceneWidth;
        _rTexture.height = TeamEditManager.Instance.ImageSceneHeight;
        var teamCamera = TeamEditCameraObj.Instance.teamEditCamera;
        teamCamera.targetTexture = _rTexture;
        
        _characterDic = new Dictionary<int, GameObject>();
        for (int i = 0; i < _charIDs.Length; i++)
        {
            var dataDic = CharacterDataInfoManager.Instance.DataDic;
            uint id = _charIDs[i];
            bool isValid = dataDic.ContainsKey(id);
            if (isValid)
            {
                var trans = characterPos[i];
                if (!_isLoading)
                {
                    _isLoading = true;
                    await AddCharacterGo(trans, id, i);
                }
            }
        }
        
        _isLoading = true;
        await AddVehicleGo(_vehicleID);
        
        EventManager.Instance.Send(EventManager.EventName.TeamEditPreviewInit, _rTexture);
    }

    public void Clear()
    {
        for (int i = 0; i < characterPos.Length; i++)
        {
            ClearCharacterGo(i);
        }

        ClearVehicleGo();
        _rTexture.Release();
    }

    //设置数据
    public void SetData(int teamIdx, uint[] charIDs, uint vehicleID)
    {
        _teamIdx = teamIdx;
        _charIDs = (uint[])charIDs.Clone();
        _vehicleID = vehicleID;
    }

    public async UniTask LoadCharacterModel(uint id, int idx)
    {
        if (_charIDs[idx] != id)
        {
            ClearCharacterGo(idx);
            _charIDs[idx] = id;
            await AddCharacterGo(characterPos[idx], id, idx);
        }
    }

    public async UniTask LoadVehicleModel(uint id)
    {
        if (_vehicleID != id)
        {
            ClearVehicleGo();
            _vehicleID = id;
            await AddVehicleGo(id); 
        }
    }
    
    
    
    //监听事件
    private async void OnCharModelCreate(CharAddData charAddData)
    {
        await LoadCharacterModel(charAddData.ID, charAddData.Idx);
    }
    
    private void OnCharModelClear(int idx)
    {
        if (idx > 0)
        {
            ClearCharacterGo(idx);
            return;
        }
        ClearVehicleGo();
    }
    
    /// <summary>
    /// 添加角色模型
    /// </summary>
    /// <param name="trans"></param>
    /// <param name="id"></param>
    /// <param name="idx"></param>
    async UniTask AddCharacterGo(Transform trans, uint id, int idx)
    {
        var charData = CharacterDataInfoManager.Instance.DataDic[id].Cfg;
        var data = TableManager.Instance.Tables.SkinCfg.Get(Constants.DEFULT_SKINID, charData.RoleID);
        if (data != null)
        {
            var prefab = await AssetManager.Instance.LoadAssetAsync<GameObject>(data.DisplayPrefabPath);
            var go = Instantiate(prefab, trans.position, trans.rotation, cRoot.transform);
            if (go)
            {
                _characterDic.Add(idx, go);
                go.SetLayerEx(LayerDefine.TeamEdit);
                var anim = Utils.CommonUtils.GetChildComponent<Animator>(go);
                if (anim)
                {
                    if (idx < 2)
                    {
                        anim.Play("squatready001"); 
                    }
                    else
                    {
                        anim.Play("standready001");
                    }
                }
            }
        }

        _isLoading = false;
    }

    void ClearCharacterGo(int idx)
    {
        if (_isLoading)
        {
            return;
        }

        _isLoading = true;
        if (_characterDic.TryGetValue(idx, out var go))
        {
            if (go)
            {
                DestroyImmediate(go);
                _charIDs[idx] = Team.NONE_ID;
                _characterDic.Remove(idx);
            }
        }
        _isLoading = false;
    }

    /// <summary>
    /// 载具模型加载
    /// </summary>
    /// <param name="id"></param>
    async UniTask AddVehicleGo(uint id)
    {
        var vehicleDataDic = VehicleCultivateDataManager.Instance.DataDic;
        if (vehicleDataDic.TryGetValue(id, out var vehicleData))
        {
            if (vehicleData != null)
            {
                var trans = vehiclePos;
                var prefab = await AssetManager.Instance.LoadAssetAsync<GameObject>(vehicleData.Cfg.PrefabPath);
                var go = Instantiate(prefab, trans.position, trans.rotation, vRoot.transform);
                if (go)
                {
                    go.SetLayerEx(LayerDefine.TeamEdit);
                    go.transform.localScale = new Vector3(1.7f, 1.7f, 1.7f);
                    _vehicleGo = go;
                }
            }
        }

        _isLoading = false;
    }

    void ClearVehicleGo()
    {
        if (_isLoading)
        {
            return;
        }

        _isLoading = true;
        DestroyImmediate(_vehicleGo);
        _vehicleID = Team.NONE_ID;
        _vehicleGo = null;

        _isLoading = false;
    }
}