using System.Collections.Generic;
using Common.Utility.CombatEvent;
using Core.Utility;
using Fort23.Core;
using Fort23.Mono;
using Fort23.UTool;
using GameLogic.Combat.CombatTool;
using UnityEngine;
using Utility;

namespace GameLogic.CombatScenesTool
{
    public class CombatEquipFallManager : Singleton<CombatEquipFallManager>

    {
        private Transform herobagTran;
        public Animator BagAnimator;
        public BetterList<EquipFallObject> allEquipFall = new BetterList<EquipFallObject>();

        public class EquipFallObject : CObject
        {
            private GameObjectPool GameObjectPool;
            private Parabola3DPath Parabola3DPath;
            private float _currTime;

            private int stateIndex;
            private float _addTime;
            public EquipFallObjectMono EquipFallObjectMono;

            public void Init(GameObjectPool GameObjectPool, Parabola3DPath Parabola3DPath)
            {
                this.GameObjectPool = GameObjectPool;
                this.Parabola3DPath = Parabola3DPath;
                _addTime = 1.0f / Parabola3DPath.totalFlightTime;
                EquipFallObjectMono = GameObjectPool.own.GetComponent<EquipFallObjectMono>();
                EquipFallObjectMono.idleObject.SetActive(false);
            }

            public override void Dispose()
            {
            }

            public override void ActiveObj()
            {
            }

            public override void DormancyObj()
            {
                GObjectPool.Instance.Recycle(GameObjectPool);
                GameObjectPool = null;
                CObjectPool.Instance.Recycle(Parabola3DPath);
                _currTime = 0;
                stateIndex = 0;
            }


            public void Update(float t)
            {
                if (stateIndex == 0)
                {
                    _currTime += t * _addTime * 2;
                    Vector3 pos = Parabola3DPath.GetPositionAtTime(_currTime);
                    GameObjectPool.own.transform.position = pos;
                    if (_currTime > 1)
                    {
                        EquipFallObjectMono.idleObject.SetActive(true);
                        stateIndex = 1;
                        _currTime = 0;
                    }
                }
                else if (stateIndex == 1)
                {
                    _currTime += t;
                    if (_currTime > 2)
                    {
                        stateIndex = 2;
                        _currTime = 0;
                    }
                }
                else if (stateIndex == 2)
                {
                    EquipFallObjectMono.idleObject.SetActive(false);
                    _currTime += t;


                    Vector3 pos = CombatEquipFallManager.Instance.GetUIPos();
                    var position = GameObjectPool.own.transform.position;
                    float d = Vector3.SqrMagnitude(position - pos);
                    float addTime = 1.0f / (d / 64);
                    position = Vector3.Lerp(position,
                        pos, addTime * t);
                    GameObjectPool.own.transform.position = position;
                    if (d < 0.3f)
                    {
                        if (Instance.BagAnimator != null)
                        {
                            Instance.BagAnimator.Play("HeroBags_pick");
                        }

                        CombatEquipFallManager.Instance.allEquipFall.Remove(this);
                        CObjectPool.Instance.Recycle(this);
                    }
                }
            }
        }

        public Vector3 GetUIPos()
        {
            if (herobagTran == null)
            {
                
                MainUIPanel mainUIPanel = UIManager.Instance.GetComponent<MainUIPanel>();

                herobagTran = mainUIPanel.herobag.transform;
                BagAnimator = mainUIPanel.herobag.GetComponent<Animator>();
            }

            Vector3 pos = UIManager.Instance.UIWorldToWorld(herobagTran.position);
            return pos;
        }

        public void Init()
        {
            StaticUpdater.Instance.AddRenderUpdateCallBack(Update);
            EventManager.Instance.AddEventListener(CustomEventType.Combat_EquipFall, Combat_EquipFall);
        }

        protected void Combat_EquipFall(IEventData ievetEquia)
        {
            Combat_EquipFallEventData combatEquipFallEventData = ievetEquia as Combat_EquipFallEventData;
            Fall(combatEquipFallEventData.fallEquip, combatEquipFallEventData.startPos_WorldPos);
        }

        public override void Dispose()
        {
            StaticUpdater.Instance.RemoveRenderUpdateCallBack(Update);
            EventManager.Instance.RemoveEventListener(CustomEventType.Combat_EquipFall, Combat_EquipFall);
        }

        public void Fall(string[] allEquip, Vector3 worldPos)
        {
            for (int i = 0; i < allEquip.Length; i++)
            {
                GObjectPool.Instance.FetchAsync<GameObjectPool>(allEquip[i], delegate(GameObjectPool pool)
                {
                    EquipFallObject equipFallObject = CObjectPool.Instance.Fetch<EquipFallObject>();
                    // equipFallObject.GameObjectPool = pool;
                    Parabola3DPath parabolaPath = CObjectPool.Instance.Fetch<Parabola3DPath>();
                    parabolaPath.addY = 3;
                    Vector3 startPos = worldPos;
                    float x = Random.Range(-2f, 2f);
                    float z = Random.Range(-2f, 2f);


                    Vector3 endPos = startPos + new Vector3(x, 0, z);
                    parabolaPath.SetPos(startPos, endPos);
                    pool.own.transform.position = startPos;
                    if (pool == null)
                    {
                        TrailRenderer[]  _trailRenderers= pool.own.transform.GetComponentsInChildren<TrailRenderer>(false);
                        if (_trailRenderers != null)
                        {
                            for (int j = 0; j < _trailRenderers.Length; j++)
                            {
                                _trailRenderers[i].Clear();
                            }
                        }
                    }

                    // equipFallObject.Parabola3DPath = parabolaPath;
                    equipFallObject.Init(pool, parabolaPath);
                    allEquipFall.Add(equipFallObject);
                });
            }
        }

        public void Update()
        {
            for (int i = 0; i < allEquipFall.Count; i++)
            {
                allEquipFall[i].Update(Time.deltaTime);
            }
        }
    }
}