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

public class FightWinComponent: MonoBehaviour
{
    private Scene _scene;
    private List<uint> _characterIDs;
    private uint _vehicleID;
    private GameObject _objRoot;
    private List<Transform> _posTransList;

    private Camera _camera;
    private PlayableDirector _timelinePlayable;
    
    //test
    private List<GameObject> _testObjs = new List<GameObject>();

    private readonly int Vehicle_Model_Index = 5;
    
    #region Unity EventFunction
    private void Awake()
    {
        _SetData();
        _camera = GameObject.Find("CameraRoot").GetComponent<CameraRoot>().Camera;
        _objRoot = GameObject.Find("Content/ObjRoot");
        var posRootTrans = GameObject.Find("Content/PosRoot").transform;
        _posTransList = new List<Transform>();
        for (int i = 0; i < posRootTrans.childCount; i++)
        {
            var child = posRootTrans.GetChild(i);
            _posTransList.Add(child);
        }
        
        EventManager.Instance.Register(EventManager.EventName.FightCmpTimelinePause, _OnPauseEvent);
        _Load();
    }

    private void OnDestroy()
    {
        EventManager.Instance.Unregister(EventManager.EventName.FightCmpTimelinePause, _OnPauseEvent);
    }

    #endregion

    private void _SetData()
    {
        SetData(LevelManager.Instance.ShowCharIDs, LevelManager.Instance.ShowVehicleID);
    }
    
    private async void _Load()
    {
        await _LoadModels();
        await _LoadTimeline();
    }

    private void _OnPauseEvent()
    {
        if (_timelinePlayable)
        {
            _timelinePlayable.Pause();
        }
    }

    private async UniTask _LoadModels()
    {
        if (_characterIDs != null)
        {
            for (int i = 0; i < _characterIDs.Count; i++)
            {
                await _AddCharacterModel(_characterIDs[i], i);
            }
        }

        if (_vehicleID != Constants.INVALID_UINT_ID)
        {
            await _AddVehicleModel(_vehicleID);
        }
        
    }

    private async UniTask _AddCharacterModel(uint uid, int idx)
    {
        var modelPath = CommonUtils.GetCharacterShowModelPath(uid);
        if (modelPath != null)
        {
            var prefab = await AssetManager.Instance.LoadAssetAsync<GameObject>(modelPath);
            var model = Instantiate(prefab, _objRoot.transform);
            var posTrans = _posTransList[idx];
            model.transform.SetPositionAndRotation(posTrans.position, posTrans.rotation);
            model.transform.localScale = posTrans.localScale;
            model.SetLayerEx(LayerDefine.TeamEdit);
        }
    }

    private async UniTask _AddVehicleModel(uint uid)
    {
        var modelPath = CommonUtils.GetVehicleShowModelPath(uid);
        if (modelPath != null)
        {
            var prefab = await AssetManager.Instance.LoadAssetAsync<GameObject>(modelPath);
            var model = Instantiate(prefab, _objRoot.transform);
            var posTrans = _posTransList[Vehicle_Model_Index];
            model.transform.SetPositionAndRotation(posTrans.position, posTrans.rotation);
            model.transform.localScale = posTrans.localScale;
            model.SetLayerEx(LayerDefine.TeamEdit);
        }
    }

    private async UniTask _LoadTimeline()
    {
        var timeLineObj = new GameObject("GameTimeLine");
        timeLineObj.transform.SetParent(transform);
        timeLineObj.SetLayerEx(LayerDefine.TeamEdit);
        var timeline = timeLineObj.AddComponent<PlayableDirector>();
        var playableAsset =
            await AssetManager.Instance.LoadAssetAsync<PlayableAsset>("Assets/Art/Animations/Level/VictoryTimeLine.playable");

        var timeLineAsset = playableAsset as TimelineAsset;
        if (!timeLineAsset)
        {
            DebugUtil.LogError("加载的TimeLine资源为空！！！");
            return;
        }
        timeline.playableAsset = timeLineAsset;
        timeline.timeUpdateMode = DirectorUpdateMode.GameTime;
        timeline.playOnAwake = false;

        _timelinePlayable = timeline;
        var trackIEnumerable = timeLineAsset.GetOutputTracks();
        int index = 0;
        foreach (var trackAsset in trackIEnumerable)
        {
            if (index < _characterIDs.Count)
            {
                var child = _objRoot.transform.GetChild(index);
                if (!child)
                {
                    continue;
                }
                
                var animObj = child.GetChild(0).gameObject;
                
                var anim = animObj.GetComponent<Animator>();
                if (!anim)
                {
                    DebugUtil.LogError("TimeLine使用的模型未绑定Animator组件！！！");
                }
                timeline.SetGenericBinding(trackAsset, anim);
            }
            else if(index == 5)
            {
                var anim = _camera.GetComponent<Animator>();
                if (anim)
                {
                    timeline.SetGenericBinding(trackAsset, anim);
                }
                break;
            }
            index++;

            _timelinePlayable.Play();
        }
    }

#region API

    public void SetData(List<uint> charIDList)
    {
        _characterIDs = charIDList;
    }


    public void SetData(uint vehicleID)
    {
        _vehicleID = vehicleID;
    }
    
    public void SetData(List<uint> charIDList, uint vehicleID)
    {
        _characterIDs = charIDList;
        _vehicleID = vehicleID;
    }

    public void StartPlay()
    {
        _timelinePlayable.Play();
    }
#endregion
}