using System.Collections;
using System.Collections.Generic;

using UnityEngine;
using UnityEngine.UI;
using vnxbqy.UI;

namespace vnxbqy.UI
{
    
    public class HolidayCollectWordsCell : CellView
    {
        Button ExChangeBtn;
        Text ExChangeCnt;
        Transform CollectLayout;
        ItemCell itemCell;
        Image Img_Complete;
        LayoutGroup Layout;
        Transform CollectWord;

        int updateFrame = -1;

        HolidayCollectWordsModel model
        {
            get { return ModelCenter.Instance.GetModel<HolidayCollectWordsModel>(); }
        }
        PackModel packModel
        {
            get { return ModelCenter.Instance.GetModel<PackModel>(); }
        }

        protected override void Awake()
        {
            base.Awake();
            ExChangeBtn = GetWidgt<Button>("ExChangeBtn");
            ExChangeCnt = GetWidgt<Text>("ExChangeCnt");
            CollectLayout = GetWidgt<Transform>("CollectLayout");
            itemCell = GetWidgt<ItemCell>("itemCell");
            Img_Complete = GetWidgt<Image>("Img_Complete");
            Layout = GetWidgt<LayoutGroup>("Layout");
            CollectWord = GetWidgt<Transform>("CollectWord");
        }



        //按钮
        //数量不足    按钮灰色不可点击 (0代表不限制兑换次数)
        //可兑换      按钮亮起可点击
        //达兑换上限  隐藏按钮显示上限
        public void Display(int index)
        {
            OperationCollectWords operation;
            if (!OperationTimeHepler.Instance.TryGetOperation(Operation.HolidayCollectWords, out operation))
            {
                return;
            }
            if (index >= operation.exchangeWords.Count)
            {
                return;
            }

            var exchangeNum = operation.exchangeWords[index].ExchangeNum; //编号
            var maxNum = operation.exchangeWords[index].ExchangeCountMax;

            bool isEnough = true; //是否能兑换
            //物品
            for (int i = 0; i < operation.exchangeWords[index].NeedItemCount; i++)
            {
                var itemID = (int)operation.exchangeWords[index].NeedItemList[i].ItemID;
                var itemCnt = operation.exchangeWords[index].NeedItemList[i].ItemCount;
                var isBind = operation.exchangeWords[index].NeedItemList[i].IsBind;

                GameObject go = null;
                if (i >= CollectLayout.childCount)
                {
                    go = Instantiate(CollectWord.gameObject);
                    go.transform.SetParent(CollectLayout);
                    go.transform.localScale = Vector3.one;
                    Vector3 pos = go.transform.localPosition;
                    go.transform.localPosition = pos.SetZ(0);
                }
                else
                {
                    go = CollectLayout.GetChild(i).gameObject;
                }
                go.SetActive(true);
                
                RichText richText = go.GetComponentInChildren<RichText>();
                richText.text = Language.Get("GoToGet", itemID);
                ItemCell item = go.GetComponentInChildren<ItemCell>();
                var cnt = packModel.GetItemCountByID(PackType.Item, itemID);
                ItemCellModel cellModel = new ItemCellModel(itemID);
                item.Init(cellModel);
                item.countText.text = cnt + "/" + itemCnt;
                item.countText.SetActive(true);
                if (cnt < itemCnt)
                {
                    isEnough = false;
                }
                item.button.RemoveAllListeners();
                item.button.AddListener(() =>
                {
                    ItemTipUtility.Show(itemID);
                });
            }

            // cell是共用的 拖拉之后 childCount产生变化，需要屏蔽
            for (int i = operation.exchangeWords[index].NeedItemCount; i < CollectLayout.childCount; i++)
            {
                CollectLayout.GetChild(i).SetActive(false);
            }

            int exchangedCnt; //已兑换次数
            model.exchangeDict.TryGetValue(exchangeNum, out exchangedCnt);

            Img_Complete.SetActive(maxNum != 0 && exchangedCnt >= maxNum);
            ExChangeBtn.SetActive(maxNum == 0 || exchangedCnt < maxNum);
            ExChangeBtn.SetColorful(null, isEnough);
            ExChangeBtn.interactable = isEnough;
            ExChangeBtn.AddListener(() =>
            {
                model.SendExchangeWord(exchangeNum);
            });

            var tagItemID = (int)operation.exchangeWords[index].ItemID;
            ItemCellModel tagCellModel = new ItemCellModel(tagItemID, false, (ulong)operation.exchangeWords[index].ItemCount);
            itemCell.Init(tagCellModel);
            itemCell.button.RemoveAllListeners();
            itemCell.button.AddListener(() =>
            {
                ItemTipUtility.Show(tagItemID);
            });

            if (maxNum != 0)
                ExChangeCnt.text = Language.Get("CollectWordsLimit", exchangedCnt, maxNum);
            else
                ExChangeCnt.text = Language.Get("DailyQuest_NoLevelLimit");

            updateFrame = 0;
        }


        //layout contentsizefilter 镶嵌使用的情况下会发生位置未正常刷新的情况
        //调用 ForceRebuildLayoutImmediate强制刷新，必须先刷父物体再刷子物体
        //强制刷新在逻辑最后或者帧结束此处无效，故在update处理的下一帧刷新
        //仅供参考，未分析具体原因和其他测试，只在此界面测试的情况
        private void Update()
        {
            if (updateFrame < 0) return;
            if (updateFrame >= 0)
            {
                updateFrame++;
            }
            //在之后的帧刷新
            if (updateFrame != 1)
            {
                if (updateFrame > 2)
                { 
                    updateFrame = -1;
                }
                return;
            }
            LayoutRebuilder.ForceRebuildLayoutImmediate(Layout.GetComponent<RectTransform>());
            for (int i = 0; i < Layout.transform.childCount; i++)
            {
                LayoutRebuilder.ForceRebuildLayoutImmediate(Layout.transform.GetChild(i).GetComponent<RectTransform>());
            }

        }

    }
}