using UnityEngine;
using EnhancedUI.EnhancedScroller;
using System.Collections;
using asap.core;

public class EventBingoScrollView : MonoBehaviour, IEnhancedScrollerDelegate
{
    [SerializeField] private EventBingoScrollViewItem scrollViewItem;
    [SerializeField] private EnhancedScroller scroller;
    [SerializeField] private EventBingoScrollViewPointerListener pointerListener;
    [SerializeField] private GameObject fxBingoGlitter;
    [SerializeField] private GameObject[] goPaginationDots;
    private const int _bingoCount = 4;
    private const float _interval = 5f;
    private int _currentIndex, _roundCount;
    // private bool _pauseAutoScroll;

    private void Awake()
    {
        scroller.Delegate = this;
        _currentIndex = 0;
        UpdatePaginationDots();
        StartCoroutine(AutoScroll());
        pointerListener.Init(PauseAutoScroll, ContinueAutoScroll, UpdatePaginationDots);
    }

    private async void Start()
    {
        try
        {
            await Awaiters.NextFrame;
            scroller.JumpToDataIndex(_currentIndex, tweenType: scroller.snapTweenType, tweenTime: scroller.snapTweenTime);
        }
        catch (System.Exception e)
        {
            Debug.LogError("[EventBingo] Scroll View Start: " + e.Message);
            Debug.LogError(e);
        }
    }

    #region IEnhancedScrollerDelegate
    public int GetNumberOfCells(EnhancedScroller scroller)
    {
        return _bingoCount;
    }

    public float GetCellViewSize(EnhancedScroller scroller, int dataIndex)
    {
        return 532f;
    }

    public EnhancedScrollerCellView GetCellView(EnhancedScroller scroller, int dataIndex, int cellIndex)
    {
        var res = scroller.GetCellView(scrollViewItem) as EventBingoScrollViewItem;
        res.Init(dataIndex, GContext.container.Resolve<EventBingoModel>().Ctx.GetBingoRewards(dataIndex + 1, _roundCount));
        return res;
    }
    #endregion

    public IEnumerator AutoScroll()
    {
        // scroller.JumpToDataIndex(_currentIndex);
        do
        {
            yield return new WaitForSeconds(_interval);
            IncCurrentIdx();
            scroller.JumpToDataIndex(_currentIndex, tweenType: scroller.snapTweenType, tweenTime: scroller.snapTweenTime);
            UpdatePaginationDots();
        }
        while (true);
    }

    private void IncCurrentIdx()
    {
        _currentIndex++;
        if (_currentIndex >= _bingoCount)
            _currentIndex = 0;
    }

    private void PauseAutoScroll()
    {
        StopAllCoroutines();
    }

    private void ContinueAutoScroll()
    {
        _currentIndex = scroller.GetSnapDataIndexFromScrollPosition();
        scroller.JumpToDataIndex(_currentIndex, tweenType: scroller.snapTweenType, tweenTime: scroller.snapTweenTime);
        StopAllCoroutines();
        StartCoroutine(AutoScroll());
    }

    public async void ReloadData(int roundCount)
    {
        try
        {
            _roundCount = roundCount;
            scroller.ReloadData();
            await Awaiters.NextFrame;
            scroller.JumpToDataIndex(_currentIndex, tweenType: scroller.snapTweenType, tweenTime: scroller.snapTweenTime);
        }
        catch (System.Exception e)
        {
            Debug.LogError("[EventBingo] Scroll View Start: " + e.Message);
            Debug.LogError(e);
        }
    }

    public void ToggleBingoGlitterFx(bool open)
    {
        fxBingoGlitter.SetActive(open);
    }

    private void UpdatePaginationDots()
    {
        for (int i = 0; i < goPaginationDots.Length; i++)
        {
            goPaginationDots[i].SetActive(i == _currentIndex);
        }
    }

#if UNITY_EDITOR
    private void OnGUI()
    {
        GUI.Box(new Rect(20, 20, 200, 20), $"Current Index: {_currentIndex}");
        GUI.Box(new Rect(20, 60, 200, 20), $"Current Pos: {scroller.ScrollPosition}");
    }
#endif
}