using System.Linq;
using UnityEngine;
using UnityEngine.UI;

    //用于显示获得物品的窗口
    public class CommonGetItemWin : UIBase
    {
        [SerializeField] ScrollerController scroller;
        [SerializeField] RichText desc;
        [SerializeField] Button sureBtn;
        [SerializeField] Text sureText;
        [SerializeField] TextEx closeText;


        float openTime;

        protected override void InitComponent()
        {
            base.InitComponent();
            Debug.Log("初始化通用获得物品窗口");
            sureBtn.SetListener(() => UIManager.Instance.CloseWindow<CommonGetItemWin>());
        }

        public override void HandleOpen()
        {
            base.HandleOpen();
            Debug.Log("打开通用获得物品窗口");
            Refresh();
        }

        public override void HandleClose()
        {
            base.HandleClose();
            Debug.Log("关闭通用获得物品窗口");
        }

        public override void Refresh()
        {
            base.Refresh();
            Debug.Log("刷新通用获得物品窗口");
        }

        protected override void OnPreOpen()
        {
            ItemLogicUtility.Instance.OnGetItemShowEvent += OnGetItemShowEvent;
            scroller.OnRefreshCell += OnRefreshCell;
            desc.SetActive(!string.IsNullOrEmpty(ItemLogicUtility.Instance.getItemInfo));
            desc.text = ItemLogicUtility.Instance.getItemInfo;
            sureText.text = ItemLogicUtility.Instance.getItemBtnText;
            CreateScroller();
            closeText.text = Language.Get("L2004");
            openTime = Time.time;
        }


        protected override void OnPreClose()
        {
            ItemLogicUtility.Instance.OnGetItemShowEvent -= OnGetItemShowEvent;
            scroller.OnRefreshCell -= OnRefreshCell;
            ItemLogicUtility.Instance.OnGetItem?.Invoke();
            ItemLogicUtility.Instance.ClearGetItem();

        }

        void CreateScroller()
        {
            scroller.Refresh();
            var keys = ItemLogicUtility.Instance.totalShowItems.Keys.ToList();
            int rowCount = (int)Mathf.Ceil((float)keys.Count / 5);
            for (int i = 0; i < rowCount; i++)
            {
                scroller.AddCell(ScrollerDataType.Header, i);
            }
            scroller.Restart();
        }

        float needRefreshTime;  //避免封包过多卡顿
        void OnGetItemShowEvent()
        {
            needRefreshTime = Time.time + 0.3f;

        }

        void RefreshScroller()
        {
            if (needRefreshTime <= 0)
                return;

            if (Time.time < needRefreshTime)
                return;

            if (scroller.GetNumberOfCells(scroller.m_Scorller) != ItemLogicUtility.Instance.totalShowItems.Count)
            {
                CreateScroller();
            }
            else
            {
                scroller.m_Scorller.RefreshActiveCellViews();
            }
            needRefreshTime = 0;
        }

        protected void LateUpdate()
        {
            RefreshScroller();
            if (ItemLogicUtility.Instance.closeSeconds == 0)
                return;

            float closeTime = ItemLogicUtility.Instance.closeSeconds - (Time.time - openTime);
            if (closeTime <= 0)
            {
                UIManager.Instance.CloseWindow<CommonGetItemWin>();
                return;
            }
            closeText.text = Language.Get("AutoCloseAfterSeconds", (int)closeTime);
        }

        void OnRefreshCell(ScrollerDataType type, CellView cell)
        {
            var _cell = cell as CommonGetItemCell;
            _cell?.Display(cell.index);
        }
    }