using System.Collections.Generic;
using UnityEngine;

public class LineupRecommendWin : UIBase
{
    [SerializeField] ScrollerController scroller;
    LineupRecommendManager manager { get { return LineupRecommendManager.Instance; } }

    protected override void OnPreOpen()
    {
        scroller.OnRefreshCell += OnRefreshCell;
        scroller.OnGetDynamicSize += OnGetDynamicSize;
        manager.OnUpdateLineupRecommendInfoEvent += OnUpdateLineupRecommendInfoEvent;
        manager.OnUpdateSwitchOnOrOffEvent += OnUpdateSwitchOnOrOffEvent;

        manager.ClearOnList();
        scroller.lockType = EnhanceLockType.KeepVertical;
        CreateScoller();
        int index = 0;
        manager.TryGetJumpIndex(out index);
        scroller.JumpIndex(index);
    }


    protected override void OnPreClose()
    {
        scroller.OnRefreshCell -= OnRefreshCell;
        scroller.OnGetDynamicSize -= OnGetDynamicSize;
        manager.OnUpdateLineupRecommendInfoEvent -= OnUpdateLineupRecommendInfoEvent;
        manager.OnUpdateSwitchOnOrOffEvent -= OnUpdateSwitchOnOrOffEvent;

    }

    private void OnUpdateSwitchOnOrOffEvent()
    {
        CreateScoller();
    }

    private void OnUpdateLineupRecommendInfoEvent()
    {
        RefreshScoller();
    }

    private void OnRefreshCell(ScrollerDataType type, CellView cell)
    {
        var _cell = cell.GetComponent<LineupRecommendCell>();
        _cell?.Display(cell.index);
    }

    private bool OnGetDynamicSize(ScrollerDataType type, int index, out float height)
    {
        height = 0;
        List<int> sortShowList = manager.GetSortShowList();
        if (index < 0 || index >= sortShowList.Count)
            return false;
        var id = sortShowList[index];
        bool isOn = manager.IsOn(id);
        height = isOn ? 502 : 252;
        return true;
    }


    void RefreshScoller()
    {
        scroller.m_Scorller.RefreshActiveCellViews();
    }

    void CreateScoller()
    {
        scroller.Refresh();
        var list = manager.GetSortShowList();
        if (!list.IsNullOrEmpty())
        {
            for (int i = 0; i < list.Count; i++)
            {
                scroller.AddCell(ScrollerDataType.Header, i);
            }
        }
        scroller.Restart();
    }

}