using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using ET;
using FairyGUI;
using UI.Bag;
using UI.CommonGame;
using UnityEngine;

namespace GFGGame
{
    public class GiftBoxSelectorView : BaseWindow
    {
        private UI_GiftBoxSelectorUI _ui;
        private int _itemId;
        private int _count; //物品数量
        private int _selCount; //选择的数量
        private Dictionary<int, int> _selDic; //选择礼包内的物品<物品id,数量>
        private List<LongPressGesture> _listLongPress = new List<LongPressGesture>();
        private GameObject _gameObject1;
        private GameObject _gameObject2;
        private GoWrapper _wrapper1;
        private GoWrapper _wrapper2;

        public override void Dispose()
        {
            if (_selDic != null)
            {
                _selDic.Clear();
                _selDic = null;
            }

            for (int i = 0; i < _listLongPress.Count; i++)
            {
                _listLongPress[i].Dispose();
            }

            _listLongPress.Clear();

            if (_ui != null)
            {
                _ui.Dispose();
                _ui = null;
            }

            base.Dispose();
        }

        protected override void OnInit()
        {
            base.OnInit();

            packageName = UI_GiftBoxSelectorUI.PACKAGE_NAME;
            _ui = UI_GiftBoxSelectorUI.Create();
            this.viewCom = _ui.target;
            this.viewCom.Center();
            this.modal = true;

            _selDic = new Dictionary<int, int>();

            _ui.m_btnCancel.onClick.Add(OnBtnCancelClick);
            _ui.m_list.itemRenderer = ListItemRender;
            _ui.m_btnSub.onClick.Add(OnBtnSubClick);
        }

        protected override void AddEventListener()
        {
            base.AddEventListener();
        }

        protected override void OnShown()
        {
            base.OnShown();
            _itemId = (int)this.viewData;
            _count = (int)ItemDataManager.GetItemNum(_itemId);

            _selDic.Clear();
            _selCount = 0;

            UpdateView();
            UpdateList();
            SetSelAllNum();
            AddEffect();
        }

        protected override void OnHide()
        {
            if (_ui.m_list.numItems > 0)
            {
                _ui.m_list.ScrollToView(0);
            }

            _ui.m_list.numItems = 0;
            _selDic.Clear();
            _selCount = 0;

            SceneController.DestroyObjectFromView(_gameObject1, _wrapper1);
            SceneController.DestroyObjectFromView(_gameObject2, _wrapper2);

            base.OnHide();
        }

        private void AddEffect()
        {
            //边框左上角特效
            string resPath1 = ResPathUtil.GetViewEffectPath("ui_Activity", "Com_window_L_up");
            SceneController.AddObjectToView(null, null, _ui.m_holderLeftTop, resPath1,
                out _gameObject1, out _wrapper1);

            //边框右下角特效
            string resPath2 = ResPathUtil.GetViewEffectPath("ui_Activity", "Com_window_R_Down");
            SceneController.AddObjectToView(null, null, _ui.m_holderRightDowm, resPath2,
                out _gameObject2, out _wrapper2);
        }

        protected override void RemoveEventListener()
        {
            base.RemoveEventListener();
        }

        private void UpdateView()
        {
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_itemId);
            _ui.m_loaIcon.url = ResPathUtil.GetIconPath(itemCfg);
            _ui.m_txtName.text = itemCfg.name;
            _ui.m_txtTotalNum.text = $"已拥有：{_count}";
            _ui.m_txtItemDes.text = string.IsNullOrEmpty(itemCfg.desc) ? "暂无描述" : itemCfg.desc;
        }

        private void UpdateList()
        {
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_itemId);
            _ui.m_list.numItems = itemCfg.itemsArr.Length;
            _ui.m_list.visible = true;
        }

        private void ListItemRender(int index, GObject obj)
        {
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_itemId);
            UI_ListSelectorItem uiItemChild = UI_ListSelectorItem.Proxy(obj);

            int[] itemChildArr = itemCfg.itemsArr[index];
            ItemCfg itemCfgChild = ItemCfgArray.Instance.GetCfg(itemChildArr[0]);
            uiItemChild.m_loaIcon.url = ResPathUtil.GetIconPath(itemCfgChild);
            uiItemChild.m_loaIcon.onClick.Add(OnListSelectorItemClick);
            uiItemChild.m_txtNum.text = itemChildArr[1].ToString();
            uiItemChild.m_txtSelNum.text = "0";
            uiItemChild.m_txtSelNum.onFocusOut.Add(OnChangedTxtSelNum);
            uiItemChild.m_btnAdd.onClick.Add(OnBtnAddClick);
            uiItemChild.m_btnReduce.onClick.Add(OnChildBtnReduceClick);
            uiItemChild.m_txtSelNum.onTouchBegin.Add(OnTextInputOpen);

            if (uiItemChild.target.data == null)
            {
                LongPressGesture longPressGesture = new LongPressGesture(uiItemChild.m_btnAdd);
                longPressGesture.trigger = 0.3f;
                longPressGesture.interval = 0.1f;
                longPressGesture.once = false;
                longPressGesture.onAction.Add(OnLongPress);
                _listLongPress.Add(longPressGesture);

                LongPressGesture longPressGesture2 = new LongPressGesture(uiItemChild.m_btnReduce);
                longPressGesture2.trigger = 0.3f;
                longPressGesture2.interval = 0.1f;
                longPressGesture2.once = false;
                longPressGesture2.onAction.Add(OnLongPressReduce);
                _listLongPress.Add(longPressGesture2);
            }

            uiItemChild.target.data = itemCfgChild;
            UI_ListSelectorItem.ProxyEnd();
        }

        private void OnBtnAddClick(EventContext context)
        {
            GObject sender = context.sender as GObject;
            GObject obj = sender.parent;
            UI_ListSelectorItem listItem = UI_ListSelectorItem.Proxy(obj);

            ItemCfg itemCfg = obj.data as ItemCfg;
            UpdateSel(listItem, itemCfg);
        }

        private void OnLongPress(EventContext context)
        {
            LongPressGesture gesture = (LongPressGesture)context.sender;
            var host = gesture.host;
            GObject obj = host.parent;
            UI_ListSelectorItem listItem = UI_ListSelectorItem.Proxy(obj);

            ItemCfg itemCfg = obj.data as ItemCfg;
            UpdateSel(listItem, itemCfg);
        }

        private void UpdateSel(UI_ListSelectorItem listItem, ItemCfg itemCfg)
        {
            if (_selCount == _count)
            {
                return;
            }

            if (listItem.m_txtSelNum.text == _count.ToString())
            {
                return;
            }

            if (_selDic.TryGetValue(itemCfg.id, out int num))
            {
                if (num == _count)
                {
                    return;
                }

                _selCount += 1;
                _selDic[itemCfg.id] = num + 1;
                listItem.m_txtSelNum.text = Convert.ToString(Convert.ToInt32(listItem.m_txtSelNum.text) + 1);
            }
            else
            {
                _selDic.Add(itemCfg.id, 1);
                _selCount += 1;
                listItem.m_txtSelNum.text = Convert.ToString(1);
            }

            SetSelAllNum();
        }

        private void OnChildBtnReduceClick(EventContext context)
        {
            GObject sender = context.sender as GObject;
            GObject obj = sender.parent;
            UI_ListSelectorItem listItem = UI_ListSelectorItem.Proxy(obj);

            ItemCfg itemCfg = obj.data as ItemCfg;
            UpdateReduceSel(listItem, itemCfg);
        }

        private void OnTextInputOpen(EventContext context)
        {
            GObject sender = context.sender as GObject;
            GObject obj = sender.parent;
            UI_ListSelectorItem listItem = UI_ListSelectorItem.Proxy(obj);

            // 当触摸输入框时执行的逻辑
            if (listItem.m_txtSelNum.text == "0")
            {
                // 将文本设置为空字符串
                listItem.m_txtSelNum.text = " ";
                // 延迟 0.2 秒后恢复文本
                Timers.inst.Add(0.2f, 1, (obj) => { listItem.m_txtSelNum.text = " "; });
            }
        }

        private void OnLongPressReduce(EventContext context)
        {
            LongPressGesture gesture = (LongPressGesture)context.sender;
            var host = gesture.host;
            GObject obj = host.parent;
            UI_ListSelectorItem listItem = UI_ListSelectorItem.Proxy(obj);

            ItemCfg itemCfg = obj.data as ItemCfg;
            UpdateReduceSel(listItem, itemCfg);
        }

        private void UpdateReduceSel(UI_ListSelectorItem listItem, ItemCfg itemCfg)
        {
            if (_selCount == 0)
            {
                return;
            }

            if (listItem.m_txtSelNum.text == "0")
            {
                return;
            }

            if (_selDic.TryGetValue(itemCfg.id, out int num))
            {
                if (num == 0)
                {
                    return;
                }

                _selCount -= 1;
                _selDic[itemCfg.id] = num - 1;
                listItem.m_txtSelNum.text = Convert.ToString(Convert.ToInt32(listItem.m_txtSelNum.text) - 1);
            }
            else
            {
                _selCount -= 1;
                _selDic.Add(itemCfg.id, 0);
                listItem.m_txtSelNum.text = Convert.ToString(0);
            }

            SetSelAllNum();
        }

        //监控输入
        private void OnChangedTxtSelNum(EventContext context)
        {
            GObject sender = context.sender as GObject;
            GObject obj = sender.parent;
            UI_ListSelectorItem listItem = UI_ListSelectorItem.Proxy(obj);

            ItemCfg itemCfg = obj.data as ItemCfg;
            UpdateSelNumSel(listItem, itemCfg);
        }

        private void UpdateSelNumSel(UI_ListSelectorItem listItem, ItemCfg itemCfg)
        {
            bool isNumeric = int.TryParse(listItem.m_txtSelNum.text, out var result);
            if (!isNumeric)
            {
                listItem.m_txtSelNum.text = "0";
            }

            var txtSelNum = Convert.ToInt32(listItem.m_txtSelNum.text);
            if (txtSelNum < 0)
            {
                if (_selDic.TryGetValue(itemCfg.id, out int numx))
                {
                    listItem.m_txtSelNum.text = numx.ToString();
                }

                return;
            }

            _selDic.TryGetValue(itemCfg.id, out var snumx);
            var snum = _selCount - snumx + txtSelNum;

            //输入的数量大于剩余闲置的量,就设置成最大闲置的量
            if (snum > _count)
            {
                //其他选择的量
                var otherNum = _selDic.Where(a => a.Key != itemCfg.id).Select(a => a.Value).Sum();
                //物品总量-其他物品选择的量=当前物品最大可以选择的量
                var curSelTotalCount = _count - otherNum;
                listItem.m_txtSelNum.text = curSelTotalCount.ToString();
                _selDic[itemCfg.id] = curSelTotalCount;
                _selCount = _selDic.Values.Sum();
            }
            else
            {
                if (_selDic.TryGetValue(itemCfg.id, out int num))
                {
                    _selDic[itemCfg.id] = txtSelNum;
                    _selCount = _selDic.Values.Sum();
                }
                else
                {
                    _selDic[itemCfg.id] = txtSelNum;
                    _selCount = _selDic.Values.Sum();
                }
            }

            SetSelAllNum();
        }

        private void SetSelAllNum()
        {
            _ui.m_txtSelRewardStr.text = $"已选奖励：{_selCount}/{_count}";
        }

        //弹出物品详细描述框
        private void OnListSelectorItemClick(EventContext context)
        {
            GObject sender = context.sender as GObject;
            GObject obj = sender.parent;
            ItemCfg itemCfg = obj.data as ItemCfg;
            GoodsItemTipsController.ShowItemTips(itemCfg.id);
        }

        private void OnBtnCancelClick()
        {
            this.Hide();
        }

        //确认按钮
        private void OnBtnSubClick()
        {
            List<GiftBoxSelChildItemProto> reqItemList = new List<GiftBoxSelChildItemProto>();
            _selDic = _selDic.Where(pair => pair.Value != 0).ToDictionary(pair => pair.Key, pair => pair.Value);
            if (_selDic.Keys.Count > 0)
            {
                foreach (var itemKv in _selDic)
                {
                    if (itemKv.Value != 0)
                    {
                        reqItemList.Add(new GiftBoxSelChildItemProto
                        {
                            ChildItemId = itemKv.Key,
                            ChildItemCount = itemKv.Value
                        });
                    }
                }

                ItemProxy.ReqUseGiftBoxSelItem(_itemId, reqItemList).Coroutine();
                this.Hide();
            }
            else
            {
                PromptController.Instance.ShowFloatTextPrompt("请先选择");
            }
        }
    }
}