using UnityEngine;
using System.Collections;

using Thousandto.Core.Asset;
using Thousandto.Core.Base;

//星星特效属性
namespace Thousandto.Plugins.Common
{
    public class StarEffectAttr
    {
        #region//私有变量
        private int _index = 0;
        private FGameObjectVFX _vfxId = null;
        private float _startTime = 0;
        private float _duration = 0f;

        //第二段特效播放时间
        private float _secondPlayTime = 0f;

        private bool _isStart = false;                     //是否开始执行动作
        private bool _isSetStartPos = false;               //是否设置了位移起始位置
        private GameObject _go = null;
        private GameObject _endGo = null;
        private StarMoveManager _manager = null;

        //位移世界坐标位置
        private Vector3 _startPos = Vector3.zero;            //位移起始位置
        private Vector3 _endPos = Vector3.zero;             //位移结束位置

        //当前播放状态
        private PlayState _state = PlayState.default_State;

        //回调函数
        private MyAction _playStarVfxCallBack = null;
        #endregion

        #region//公共变量
        public float Duration
        {
            get
            {
                return _duration;
            }

            set
            {
                _duration = value;
            }
        }

        public GameObject Go
        {
            get
            {
                return _go;
            }

            set
            {
                _go = value;
            }
        }

        public Vector3 StartPos
        {
            get
            {
                return _startPos;
            }

            set
            {
                _startPos = value;
            }
        }

        public Vector3 EndPos
        {
            get
            {
                return _endPos;
            }

            set
            {
                _endPos = value;
            }
        }

        public GameObject EndGo
        {
            get
            {
                return _endGo;
            }

            set
            {
                _endGo = value;
            }
        }

        public MyAction PlayStarVfxCallBack
        {
            get
            {
                return _playStarVfxCallBack;
            }

            set
            {
                _playStarVfxCallBack = value;
            }
        }

        public int Index
        {
            get
            {
                return _index;
            }

            set
            {
                _index = value;
            }
        }
        #endregion

        public StarEffectAttr(GameObject go,GameObject endGo, Vector3 startPos,Vector3 endPos, MyAction func = null)
        {
            _go = go;
            _endGo = endGo;
            StartPos = startPos;
            EndPos = endPos;
            if(PlayStarVfxCallBack == null)
                PlayStarVfxCallBack = func;
        }

        //设置管理
        public void SetManager(StarMoveManager manager)
        {
            _manager = manager;
        }

        //播放
        public void PlayeVfxAction()
        {
            TweenPosition script = _go.RequireComponent<TweenPosition>();
            script.worldSpace = true;
            if (!_isSetStartPos)
            {
                script.from = _startPos;
                _isSetStartPos = true;
            }


            if (_vfxId != null)
            {
                _vfxId.Destroy();
                _vfxId = null;
            }


            _vfxId = new FGameObjectVFX(ModelTypeCode.UIVFX, 13);
            _vfxId.SetParent(script.transform, true);
            _vfxId.SetLayer(LayerUtils.UITop, true);
            _vfxId.SetLocalScale(new Vector3(150, 150, 150));
            _vfxId.OnLoadFinishedCallBack = x =>
            {
                script.ResetToBeginning();
                script.to = _endPos;
                script.duration = 0.5f;
                _duration = script.duration;
                script.PlayForward();
                _state = PlayState.frist_State;
                _isStart = true;
            };            
            _vfxId.Play(1f);

            //_vfxId = VFXPlayer.AsyncPlayOnTransform("VFX/UI/e_ui_013", script.transform, LayerUtils.UIVfx, 1f, false, true, (vfx) =>
            //{
            //    script.ResetToBeginning();
            //    script.to = _endPos;
            //    script.duration = 0.5f;
            //    _duration = script.duration;
            //    script.PlayForward();
            //    _state = PlayState.frist_State;
            //    _isStart = true;
            //});
        }

        //播放第二段特效
        private void PlaySecondVfx()
        {
            if (_vfxId != null)
            {
                _vfxId.Destroy();
                _vfxId = null;
            }
            _vfxId = new FGameObjectVFX(ModelTypeCode.UIVFX, 3);
            _vfxId.SetParent(_go.transform, true);
            _vfxId.SetLayer(LayerUtils.UITop, true);
            _vfxId.SetLocalScale(new Vector3(150, 150, 150));
            _vfxId.OnLoadFinishedCallBack = x =>
              {
                  _state = PlayState.second_State;
              };            
            _vfxId.Play(1.5f);

            //_vfxId = VFXPlayer.AsyncPlayOnTransform("VFX/UI/e_ui_003", _go.transform, LayerUtils.UIVfx, 1.5f, false, true, (vfx) =>
            //{
            //    _state = PlayState.second_State;
            //});
        }

        //移除特效
        public void ReMoveVfx()
        {
            if (_vfxId != null)
            {
                _vfxId.Destroy();
                _vfxId = null;
            }

            if (_go)
            {
                if (_manager != null)
                {
                    _manager.Pop(this);
                    _startTime = 0f;
                    _isStart = false;
                }
            }
        }

        //销毁
        public void Destory()
        {
            if (_vfxId != null)
            {
                _vfxId.Destroy();
                _vfxId = null;
            }

            if (_go != null)
            {  
                GameObject.Destroy(_go);
                _go = null;
            }
        }

        //第二段特效播放时间是否结束
        private bool IsOverPlaySecondVfx()
        {
            if (_secondPlayTime < 0.8f)
            {
                if (_secondPlayTime <= 0.5f)
                {
                    if (_endGo.activeSelf)
                    {
                        _endGo.gameObject.SetActive(false);
                    }
                }
                _secondPlayTime += Time.deltaTime;
            }
            else
            {
                _secondPlayTime = 0f;
                _state = PlayState.default_State;
                return true;
            }
            return false;
        }

        public void Update()
        {
            if (_isStart)
            {
                if (_startTime < _duration)
                {
                    _startTime += Time.deltaTime;
                }
                else
                {
                    _startTime = _duration;
                    if (_state == PlayState.frist_State)
                    {   
                        PlaySecondVfx();
                        _state = PlayState.second_State;
                    }
                    else if (_state == PlayState.second_State)
                    {
                        if (IsOverPlaySecondVfx())
                        {
                            ReMoveVfx();
                            if (PlayStarVfxCallBack != null && Index == 1)
                            {
                                PlayStarVfxCallBack();
                            }
                        }
                    }
                }
            }
        }

        #region//enum
        private enum PlayState
        {
            default_State = -1,
            frist_State = 0,
            second_State ,
        }
        #endregion
    }
}