using Cysharp.Threading.Tasks;
using UnityEngine;

public class GuildAtkDefBatTreasureWin : UIBase
{
    [SerializeField] ImageEx bgImage;
    [SerializeField] RectTransform noOpenRect;
    [SerializeField] TextEx titleNameText;
    [SerializeField] TextEx openCntText;
    [SerializeField] ButtonEx awardButton;
    [SerializeField] ButtonEx lastLineButton;
    [SerializeField] ButtonEx nextLineButton;
    [SerializeField] ImageEx timeImage;
    [SerializeField] TextEx timeText;
    [SerializeField] ScrollerController scroller;

    private const int COLS = 5;
    private const int MAX_ROWS = 8;
    private int maxGridCount;
    private int currentTopRow;
    private bool isWin;
    private int cachedDisplayState;  // 缓存上一次的 displayState，变化时关窗

    GuildAtkDefBatManager manager => GuildAtkDefBatManager.Instance;

    private int pendingAnimGridIndex = 0;
    private int pendingAnimAwardID = 0;

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

        awardButton.AddListener(() =>
        {
            UIManager.Instance.OpenWindow<GuildAtkDefBatAwardPreviewWin>();
        });

        lastLineButton.AddListener(() =>
        {
            if (currentTopRow > 0)
            {
                currentTopRow--;
                RefreshScroller();
            }
        });

        nextLineButton.AddListener(() =>
        {
            int totalRows = Mathf.CeilToInt((float)maxGridCount / COLS);
            if (currentTopRow < totalRows - MAX_ROWS)
            {
                currentTopRow++;
                RefreshScroller();
            }
        });
    }

    protected override void OnPreOpen()
    {
        base.OnPreOpen();
        scroller.OnRefreshCell += OnRefreshCell;
        manager.OnUpdateAtkDefBatInfoEvent += OnUpdateAtkDefBatInfo;
        manager.OnTreasureDataUpdateEvent += OnTreasureDataUpdate;
        manager.OnTreasureGridOpenEvent += OnTreasureGridOpen;
        GlobalTimeEvent.Instance.secondEvent += OnSecondEvent;
        manager.isTreasureWinOpen = true;
        cachedDisplayState = manager.GetGuildBattleDisplayState();
        Display();
    }

    protected override void OnPreClose()
    {
        base.OnPreClose();
        scroller.OnRefreshCell -= OnRefreshCell;
        manager.OnUpdateAtkDefBatInfoEvent -= OnUpdateAtkDefBatInfo;
        manager.OnTreasureDataUpdateEvent -= OnTreasureDataUpdate;
        manager.OnTreasureGridOpenEvent -= OnTreasureGridOpen;
        GlobalTimeEvent.Instance.secondEvent -= OnSecondEvent;
        manager.isTreasureWinOpen = false;
    }

    private void OnUpdateAtkDefBatInfo()
    {
        // A525到达时，displayState变化则关窗（此时翻牌事件尚未触发）
        int curDisplayState = manager.GetGuildBattleDisplayState();
        if (curDisplayState != cachedDisplayState)
            CloseWindow();
    }

    private void OnTreasureDataUpdate()
    {
        openCntText.text = Language.Get("GuildAtkDefBat16", manager.GetMyOpenRemainCount(), manager.GetMyMaxOpenCount());
    }

    private void OnTreasureGridOpen(int gridIndex, int awardId)
    {
        pendingAnimGridIndex = gridIndex;
        pendingAnimAwardID = awardId;
        RefreshScroller();
        pendingAnimGridIndex = 0;
        pendingAnimAwardID = 0;
    }

    private void OnSecondEvent()
    {
        DisplayTime();
    }

    public void Display()
    {
        int displayState = manager.GetGuildBattleDisplayState();
        isWin = displayState == 4;
        bool isTrucePeriod = displayState == 4 || displayState == 5;

        if (isTrucePeriod)
        {
            titleNameText.text = Language.Get(isWin ? "GuildAtkDefBat18" : "GuildAtkDefBat19");
        }
        else
        {
            titleNameText.text = Language.Get("GuildAtkDefBat17");
        }

        bgImage.SetSprite(isWin ? "GuildAtkDefBatTreasureWin" : "GuildAtkDefBatTreasureFail");

        // 不等于休战期就隐藏noOpenRect
        noOpenRect.SetActive(!isTrucePeriod);

        // 开启次数
        openCntText.text = Language.Get("GuildAtkDefBat16", manager.GetMyOpenRemainCount(), manager.GetMyMaxOpenCount());

        // 剩余时间(仅休战期)
        DisplayTime();

        // 计算最大格子数
        maxGridCount = manager.CalculateMaxGridCount();

        // 重置滚动位置
        currentTopRow = 0;

        // 刷新Scroller
        RefreshScroller();
    }

    void DisplayTime()
    {
        int displayState = manager.GetGuildBattleDisplayState();
        bool isTrucePeriod = displayState == 4 || displayState == 5;
        timeImage.SetActive(isTrucePeriod);
        timeText.SetActive(isTrucePeriod);
        if (isTrucePeriod)
        {
            int cd = manager.GetCountdownToCurrentPeriodEnd();
            timeText.text = Language.Get("GuildAtkDefBat49", TimeUtility.SecondsToShortDHMS(cd));
        }
    }

    void RefreshScroller()
    {
        scroller.Refresh();
        int totalRows = Mathf.CeilToInt((float)maxGridCount / COLS);
        int visibleRows = Mathf.Min(MAX_ROWS, totalRows - currentTopRow);

        for (int i = 0; i < visibleRows; i++)
        {
            scroller.AddCell(ScrollerDataType.Header, currentTopRow + i);
        }
        scroller.Restart();

        lastLineButton.SetActive(currentTopRow > 0);
        nextLineButton.SetActive(currentTopRow < totalRows - MAX_ROWS);
    }

    void OnRefreshCell(ScrollerDataType type, CellView cell)
    {
        var tc = cell as GuildAtkDefBatTreasureCell;
        if (tc != null)
        {
            int rowIdx = cell.index;
            int startIdx = rowIdx * COLS + 1;
            tc.SetData(startIdx, maxGridCount, isWin, manager.treasureGridRecords, pendingAnimGridIndex);
        }
    }

}