using System.Collections.Generic;
using UnityEngine;
using System;
using System.Linq;
using ET;
using FairyGUI;
using ProtoBuf.Meta;

namespace GFGGame
{
    public enum DressUpOption
    {
        Auto,
        Add,
        Remove
    }

    //用于换装对象的数据存储和方法封装
    public class DressUpObj
    {

        public int bgId
        {
            get
            {
                return _dressUpData.bgId;
            }
        }

        public int suitId
        {
            get
            {
                return _dressUpData.suitId;
            }
        }

        public int actionId
        {
            get
            {
                return _dressUpData.actionId;
            }
        }

        public bool IsAction
        {
            get
            {
                return _dressUpData.actionId > 0;
            }
        }

        public List<int> itemList
        {
            get
            {
                return _dressUpData.itemList.ToList();
            }
        }

        private Action onUpdateAction;

        /// <summary>
        /// 
        /// </summary>
        /// <param name="sceneObj"></param>
        /// <param name="needSetMask"></param>
        /// <param name="showSceneType"></param>
        /// <param name="roleObj"></param>
        /// <param name="showBg"></param>
        /// <param name="resetData">是否重置装备数据</param>
        public void setSceneObj(GameObject sceneObj, bool needSetMask = false, bool showSceneType = true, GameObject roleObj = null, bool showBg = true, Action onUpdateAction  = null)
        {
            if (_sceneObj != null && _sceneObj != sceneObj)
            {
                PrefabManager.Instance.Restore(_sceneObj);
            }
            _sceneObj = sceneObj;
            _needSetMask = needSetMask;
            _showSceneType = showSceneType;
            _showBg = showBg;
            _roleObj = roleObj;
            this.onUpdateAction = onUpdateAction;
            if (_dressUpData.IsNew)
            {
                PutOnDefaultDressUpData(_showBg);
            }
            else
            {
                var tempData = DressUpDataClone();
                TakeOffAll(false);
                PutOnDressUpData(tempData);
            }
            Timers.inst.AddUpdate(OnUpdate);
        }

        public DressUpData DressUpDataClone()
        {
            return _dressUpData.Clone();
        }

        public void Dispose()
        {
            _sceneObj = null;
            _dressUpData = null;
            Timers.inst.Remove(OnUpdate);
            foreach (var t in handlers)
            {
                t.Release();
            }
            onUpdateAction = null;
        }

        private void ClearView()
        {
            Timers.inst.Remove(OnUpdate);
            foreach (var t in handlers)
            {
                t.Cancel();
                t.Release();
            }
        }

        //传入一个服装部件Id，判断是否有与此部件同类型服装已穿着
        public bool CheckSameTypeIsOn(int itemId)
        {
            int subType = ItemUtilCS.GetItemSubType(itemId);
            for (int i = 0; i < _dressUpData.itemList.Count; i++)
            {
                int _subType = ItemUtilCS.GetItemSubType(_dressUpData.itemList[i]);
                if (subType == _subType) return true;
            }
            return false;
        }
        /// <summary>
        /// 仅判断换装部件是否已穿着
        /// </summary>
        /// <param name="itemId"></param>
        /// <returns></returns>
        public bool CheckDressUpItemIsOn(int itemId)
        {
            if (itemId == _dressUpData.bgId)
            {
                return true;
            }
            return _dressUpData.itemList.Contains(itemId);
        }

        /// <summary>
        /// 仅判断套装是否穿上
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public bool CheckSuitIsOn(int id)
        {
            SuitCfg suitCfg = SuitCfgArray.Instance.GetCfg(id);
            if (suitCfg == null)
            {
                return false;
            }
            int[] items = suitCfg.partsArr;
            foreach (int itemId in items)
            {
                if (_dressUpData.actionId == id)
                {
                    if (SuitCfgArray.Instance.CheckActionContainsItem(itemId, id))
                    {
                        continue;
                    }
                }
                bool isOn = CheckDressUpItemIsOn(itemId);
                if (!isOn)
                {
                    return false;
                }
            }
            return true;
        }

        public void AddOrRemove(int itemId, bool checkDefault, DressUpOption dressUpOption = DressUpOption.Auto)
        {
            int subType = ItemUtilCS.GetItemSubType(itemId);
            if (subType == ConstDressUpItemType.BEI_JING)
            {
                if (!_showBg)
                {
                    return;
                }
                _dressUpData.bgId = itemId;
                List<DressUpLayerOperation> handlers = DressUpUtil.AddItemAsync(_dressUpData.bgId, _sceneObj, _needSetMask, true, _roleObj);
                TryAddHandlers(handlers);
            }
            else
            {
                if (!CheckDressUpItemIsOn(itemId))
                {
                    if (dressUpOption != DressUpOption.Remove)
                    {
                        if (checkDefault)
                        {
                            TryCancelActionWhenPutOn(itemId);
                        }
                        CheckRemoveSameType(subType);
                        Add(itemId);
                    }
                }
                else
                {
                    if (dressUpOption != DressUpOption.Add)
                    {
                        Remove(itemId);
                    }
                }
                if (checkDefault)
                {
                    checkDefaultItem();
                }
            }
        }

        //脱掉所有换装，换成默认装（不处理背景）
        public void TakeOffAll(bool checkDefault = true)
        {
            if(_sceneObj == null)
            {
                return;
            }
            _dressUpData.suitId = 0;
            _dressUpData.actionId = 0;
            foreach (int itemID in itemList)
            {
                AddOrRemove(itemID, false, DressUpOption.Remove);
            }
            if (checkDefault)
            {
                checkDefaultItem();
            }
            RoleLevelCfg roleLevelCfg = RoleLevelCfgArray.Instance.GetCfg(GameGlobal.myNumericComponent.GetAsInt(NumericType.Lvl));
            // FightDataManager.Instance.score = roleLevelCfg.baseScore;
            // foreach (int itemId in _dressUpData.itemList)
            // {
            //     FightDataManager.Instance.score += ItemDataManager.GetItemAdditionScore(itemId, InstanceZonesDataManager.currentScoreType, InstanceZonesDataManager.currentFightTags);
            // }
        }

        //穿上或脱掉一个动作
        public void PutOnOrTakeOffAction(int actionId)
        {
            if (_dressUpData.actionId == actionId)
            {
                CancelAction();
            }
            else
            {
                PutOnAction(actionId);
            }
        }

        /// <summary>
        /// 尝试穿戴配置套装
        /// </summary>
        /// <param name="suitId">套装id</param>
        /// <param name="tryShowAction">尝试穿上动作</param>
        /// <param name="excludeType">排除类型列表</param>
        /// <param name="showOptional">是否显示可选部件</param>
        /// <param name="CheckOwn">是否只显示主角拥有的部件</param>
        public void PutOnSuitCfg(int suitId, bool tryShowAction, int[] excludeType = null, bool showOptional = true, bool CheckOwn = true,bool isDress = false)
        {
            SuitCfg suitCfg = SuitCfgArray.Instance.GetCfg(suitId);
            if(suitCfg == null)
            {
                return;
            }
            bool oldIsAction = IsAction;
            _dressUpData.suitId = suitId;
            bool hasSuitActionRes = DressUpMenuSuitDataManager.CheckSuitHasActionRes(_dressUpData.suitId);
            _dressUpData.actionId = (hasSuitActionRes && tryShowAction) ? suitId : 0;
            
            //找到要穿的散件
            List<int> targetItemList = DressUpUtil.GetSuitItems(suitId, IsAction, excludeType, showOptional, CheckOwn, isDress);
            CompareAndAddItemList(oldIsAction, IsAction, targetItemList);
            checkDefaultItem();
        }

        /// <summary>
        /// 取消动作，默认直接脱下
        /// </summary>
        /// <param name="changeToStand">转换成站立动作</param>
        /// <param name="excludeType">转换成站立动作时排除一些类型不穿</param>
        public void CancelAction(bool changeToStand = false, int[] excludeType = null)
        {
            if (_dressUpData.actionId <= 0)
            {
                return;
            }
            var tempActionId = _dressUpData.actionId;
            _dressUpData.actionId = 0;
            //更新非场景类型部件形态
            foreach (int itemId in itemList)
            {
                if (!DressUpMenuItemCfg1Array.Instance.CheckIsSceneType(itemId))
                {
                    //场景类型不受动作影响并且本来就有动画，对非场景类型处理
                    bool notInAction = SuitCfgArray.Instance.CheckItemNotInAction(itemId);
                    if (notInAction)
                    {
                        //更新成图片模式
                        Update(itemId);
                    }
                }
            }
            if (changeToStand)
            {
                SuitCfg suitCfg = SuitCfgArray.Instance.GetCfg(tempActionId);
                List<int> items = new List<int>(suitCfg.partsArr);
                if (suitCfg.partsOptionalArr != null && suitCfg.partsOptionalArr.Length > 0)
                {
                    items.AddRange(suitCfg.partsOptionalArr);
                }
                foreach (int itemId in items)
                {
                    if (DressUpMenuItemDataManager.CheckHasItem(itemId))
                    {
                        bool notInAction = SuitCfgArray.Instance.CheckItemNotInAction(itemId);
                        if (!notInAction)
{
                            int subType = ItemDataManager.GetItemSubType(itemId);
                            if (excludeType == null || Array.IndexOf(excludeType, subType) < 0)
                            {
                                AddOrRemove(itemId, false, DressUpOption.Add);
                            }
                        }
                    }
                }
            }
            checkDefaultItem();
        }

        //穿戴一组换装数据
        public void PutOnDressUpData(DressUpData targetDressUpData, int[] excludeType = null)
        {
            bool oldIsAction = IsAction;
            _dressUpData.suitId = targetDressUpData.suitId;
            _dressUpData.actionId = targetDressUpData.actionId;
            var targetItemList = new List<int>();
            foreach(var itemId in targetDressUpData.itemList)
            {
                int subType = ItemUtilCS.GetItemSubType(itemId);
                if (excludeType == null || Array.IndexOf(excludeType, subType) < 0)
                {
                    targetItemList.Add(itemId);
                }
            }

            if (targetDressUpData.bgId > 0 && (excludeType == null || Array.IndexOf(excludeType, ConstDressUpItemType.BEI_JING) < 0))
            {
                targetItemList.Add(targetDressUpData.bgId);
            }

            CompareAndAddItemList(oldIsAction, IsAction, targetItemList);
            checkDefaultItem();

        }

        //穿戴默认换装数据
        public void PutOnDefaultDressUpData(bool bgType = false)
        {
            var dressUpData = DressUpData.CreateDefault();
            if (bgType) {
                dressUpData.bgId = 180002;
            }
            PutOnDressUpData(dressUpData);
        }

        //穿戴一组散件数据（会脱掉不包含的部分）
        public void PutOnItemList(List<int> targetItemList)
        {
            bool oldIsAction = IsAction;
            _dressUpData.suitId = 0;
            _dressUpData.actionId = 0;
            CompareAndAddItemList(oldIsAction, IsAction, targetItemList);
            checkDefaultItem();
        }

        #region private
        private GameObject _sceneObj;
        private GameObject _roleObj;
        private bool _needSetMask;
        private bool _showSceneType = true;
        private bool _showBg = true;
        private DressUpData _dressUpData = new DressUpData();
        private List<DressUpOperationBase> handlers = new List<DressUpOperationBase>();
        //穿上一个动作
        private void PutOnAction(int actionId)
        {
            bool hasSuitActionRes = DressUpMenuSuitDataManager.CheckSuitHasActionRes(actionId);
            _dressUpData.actionId = actionId;
            if (hasSuitActionRes)
            {
                foreach (int itemId in itemList)
                {
                    if (!DressUpMenuItemCfg1Array.Instance.CheckIsSceneType(itemId))
                    {
                        //场景类型不受动作影响并且本来就有动画，对非场景类型处理
                        bool notInAction = SuitCfgArray.Instance.CheckItemNotInAction(itemId);
                        if (notInAction)
                        {
                            //更新成动画模式
                            Update(itemId);
                        }
                        else
                        {
                            AddOrRemove(itemId, false, DressUpOption.Remove);
                        }
                    }
                }
            }
            else
            {
                CancelAction(true);
            }
            checkDefaultItem();
        }

        //当穿一件部件时检查是否需要取消动作，如果需要则取消该动作
        private void TryCancelActionWhenPutOn(int itemId)
        {
            if (_dressUpData.actionId > 0)
            {
                bool replaceableByAction = SuitCfgArray.Instance.CheckItemReaplaceableOnAction(itemId, _dressUpData.actionId);
                if (!replaceableByAction)
                {
                    CancelAction();
                    _dressUpData.actionId = 0;
                }
            }
        }

        private void Add(int itemId)
        {
            if (!_showSceneType)
            {
                if (DressUpMenuItemCfg1Array.Instance.CheckIsSceneType(itemId))
                {
                    return;
                }
            }
            if (!_dressUpData.itemList.Contains(itemId))
            {
                _dressUpData.itemList.Add(itemId);
                Update(itemId);
            }
        }

        private void Update(int itemId)
        {
            bool showAni = IsAction || DressUpMenuItemCfg1Array.Instance.CheckIsSceneType(itemId);
            var handlers = DressUpUtil.AddItemAsync(itemId, _sceneObj, _needSetMask, showAni, _roleObj);
            TryAddHandlers(handlers);
        }

        private void Remove(int itemId)
        {
            if (_dressUpData.itemList == null)
            {
                return;
            }
            if (_dressUpData.itemList.Contains(itemId))
            {
                _dressUpData.itemList.Remove(itemId);
                var handler = DressUpUtil.RemoveItemAsync(itemId, _sceneObj, _roleObj);
                TryAddHandler(handler);
            }
        }

        private void CheckRemoveSameType(int subType)
        {
            ItemTypeCfg itemTypeCfg = ItemTypeCfgArray.Instance.GetCfg(subType);
            int count = 0;
            int firstTeshuId = 0;
            int maxNum = 1;
            if(itemTypeCfg != null && itemTypeCfg.maxNum > 0)
            {
                maxNum = itemTypeCfg.maxNum;
            }
            else if(subType > ConstDressUpItemType.TE_SHU)
            {
                maxNum = 3;
            }
            for (int i = 0; i < _dressUpData.itemList.Count; i++)
            {
                int itemID = (int)_dressUpData.itemList[i];
                int itemSubType = ItemUtilCS.GetItemSubType(itemID);
                
                bool isSameType = false;
                if(itemTypeCfg != null && itemTypeCfg.maxNum > 0)
                {
                    if(itemSubType == subType)
                    {
                        isSameType = true;
                    }
                }
                else if (subType > ConstDressUpItemType.TE_SHU && itemSubType > ConstDressUpItemType.TE_SHU)
                {
                    isSameType = true;
                }
                else if (itemSubType == subType
                    || (subType == ConstDressUpItemType.LIAN_YI_QUN && (itemSubType == ConstDressUpItemType.SHANG_YI || itemSubType == ConstDressUpItemType.XIA_ZHUANG || itemSubType == ConstDressUpItemType.NEI_DA))
                    || (subType == ConstDressUpItemType.SHANG_YI && itemSubType == ConstDressUpItemType.LIAN_YI_QUN)
                    || (subType == ConstDressUpItemType.XIA_ZHUANG && itemSubType == ConstDressUpItemType.LIAN_YI_QUN)
                    || (subType == ConstDressUpItemType.NEI_DA && itemSubType == ConstDressUpItemType.LIAN_YI_QUN))
                {
                    Remove(itemID);
                    i--;
                }
                if (isSameType)
                {
                    if (count == 0)
                    {
                        firstTeshuId = itemID;
                    }
                    count++;
                }
            }
            if (count >= maxNum)
            {
                //超出允许的件数会顶掉第一件
                Remove(firstTeshuId);
            }
        }

        //与身上的散件对比差异然后添加
        private void CompareAndAddItemList(bool oldIsAction, bool newIsAction, List<int> targetItemList)
        {
            bool actionStatusChanged = (oldIsAction && !newIsAction) || (!oldIsAction && newIsAction);
            foreach (int itemID in itemList)
            {
                if (!targetItemList.Contains(itemID))
                {
                    //移除不穿的部件
                    AddOrRemove(itemID, false, DressUpOption.Remove);
                }
                else if (actionStatusChanged)
                {
                    //当动画形态切换时
                    if (!DressUpMenuItemCfg1Array.Instance.CheckIsSceneType(itemID))
                    {
                        //非场景类型重穿
                        Update(itemID);
                        targetItemList.Remove(itemID);
                    }
                }
            }
            foreach (int itemID in targetItemList)
            {
                AddOrRemove(itemID, false, DressUpOption.Add);
            }
        }

        //检测当前穿戴是否是一件完整套装，且只穿了一件套装,返回套装id
        private int CheckCurDressIsSuit()
        {
            var suitId = 0;
            var suitIdList = new List<int>();
            for (int i = 0; i < _dressUpData.itemList.Count; i++)
            {
                int itemSuitId = SuitCfgArray.Instance.GetSuitIdOfItem(_dressUpData.itemList[i]);
                if (!suitIdList.Contains(itemSuitId))
                {
                    suitIdList.Add(itemSuitId);
                }
            }
            foreach (var itemSuitId in suitIdList)
            {
                if (CheckSuitIsOn(itemSuitId))
                {
                    suitId = itemSuitId;
                    break;
                }
            }
            _dressUpData.suitId = suitId;
            return _dressUpData.suitId;
        }

        private void checkDefaultItem()
        {
            //是否有头发
            bool hasFaXing = false;
            //检查默认资源
            //是否有连衣裙
            int itemIdLianYiQun = 0;
            //是否有内搭
            bool hasNeiDa = false;
            //是否有上衣
            bool hasShangYi = false;
            //是否有下装
            bool hasXiaZhuang = false;
            //是否有默认内搭
            bool hasNeiDaDefault = false;
            //是否有默认下装
            bool hasXiaZhuangDefault = false;
            //是否有妆容
            bool hasZhuangRong = false;
            for (int i = 0; i < _dressUpData.itemList.Count; i++)
            {
                int itemID = (int)_dressUpData.itemList[i];
                int subType = ItemUtilCS.GetItemSubType(itemID);
                if (subType == (int)ConstDressUpItemType.FA_XING)
                {
                    hasFaXing = true;
                }
                else if (subType == ConstDressUpItemType.LIAN_YI_QUN)
                {
                    itemIdLianYiQun = itemID;
                }
                else if (subType == ConstDressUpItemType.NEI_DA)
                {
                    hasNeiDa = true;
                }
                else if (subType == ConstDressUpItemType.XIA_ZHUANG)
                {
                    hasXiaZhuang = true;
                }
                else if (subType == ConstDressUpItemType.SHANG_YI)
                {
                    hasShangYi = true;
                }
                else if (subType == ConstDressUpItemType.ZHUANG_RONG)
                {
                    hasZhuangRong = true;
                }

                if (itemID == ConstItemID.DEFULT_NEI_DA)
                {
                    hasNeiDaDefault = true;
                }
                else if (itemID == ConstItemID.DEFULT_XIA_ZHUANG)
                {
                    hasXiaZhuangDefault = true;
                }
            }
            if (!hasFaXing)
            {
                Add(ConstItemID.DEFULT_FA_XING);
            }
            if (!IsAction)
            {
                if (itemIdLianYiQun <= 0)
                {
                    if (!hasShangYi && (!hasNeiDa || hasNeiDaDefault) && (!hasXiaZhuang || hasXiaZhuangDefault))
                    {
                        Remove(ConstItemID.DEFULT_XIA_ZHUANG);
                        Remove(ConstItemID.DEFULT_NEI_DA);
                        Add(ConstItemID.DEFULT_LIAN_YI_QUN);
                    }
                    //else
                    //{
                    //    if (!hasXiaZhuang)
                    //    {
                    //        Add(ConstItemID.DEFULT_XIA_ZHUANG);
                    //    }
                    //    if (!hasNeiDa)
                    //    {
                    //        Add(ConstItemID.DEFULT_NEI_DA);
                    //    }
                    //}

                }
            }
            CheckCurDressIsSuit();
            var handler = DressUpUtil.UpdateHeadAsync(!hasZhuangRong, _sceneObj, _needSetMask, _roleObj);
            TryAddHandler(handler);
            UpdateBodyView(itemIdLianYiQun);
        }

        //更新整个身体
        private void UpdateBodyView(int itemIdLianYiQun)
        {
            string actionRes = null;
            if (IsAction)
            {
                SuitCfg suitCfg = SuitCfgArray.Instance.GetCfg(_dressUpData.actionId);
                var hasAniRes = ResPathUtil.CheckDressUpAnimationResExist(suitCfg.aniRes);
                actionRes = hasAniRes ? suitCfg.aniRes : null;
            }
            var handler = DressUpUtil.UpdateBodyAsync(actionRes, _sceneObj, _needSetMask, _roleObj, itemIdLianYiQun);
            TryAddHandler(handler);
        }

        //遍历各部件操作器，检查状态并统一处理
        private void OnUpdate(object param = null)
        {
            if(_sceneObj == null)
            {
                ClearView();
                return;
            }
            if(handlers != null && handlers.Count > 0)
            {
                bool draw = true;
                foreach(var handler in handlers)
                {
                    if(!handler.IsDone)
                    {
                        draw = false;
                    }
                }
                if(draw)
                {
                    var t = handlers.ToArray(); 
                    handlers.Clear();
                    foreach (var handler in t)
                    {
                        if(handler.Status == YooAsset.EOperationStatus.Succeed)
                        {
                            handler.UpdateView();
                        }
                        handler.Release();
                    }
                    onUpdateAction?.Invoke();
                    //LogUtil.LogEditor($"draw    {TimeHelper.ClientNow()}");
                }
            }
        }

        private void TryAddHandlers(List<DressUpLayerOperation> t)
        {
            if (t != null)
            {
                foreach(var h in t)
                {
                    TryAddHandler(h);
                }
                //this.handlers.AddRange(t);
            }
        }

        private void TryAddHandler(DressUpOperationBase t)
        {
            if (t != null)
            {
                var len = handlers.Count;
                for (var i = len - 1; i >= 0; i--)
                {
                    var h = handlers[i];
                    if (h.CheckRepeated(t))
                    {
                        h.Cancel();
                        h.Release();
                        handlers.RemoveAt(i);
                    }
                }
                this.handlers.Add(t);
            }
        }
        #endregion
    }
}