using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using DG.Tweening;

public class OfferStoryChainScrollRect : ScrollRect
{
    private float[] _scrollPositions;

    public void Init(float[] scrollPositions)
    {
        _scrollPositions = scrollPositions;
    }

    public override void OnEndDrag(PointerEventData eventData)
    {
        base.OnEndDrag(eventData);
        int idx = 0;
        float minDistanceGap = float.MaxValue;
        for (int i = 0; i < _scrollPositions.Length; i++)
        {
            float distance = Mathf.Abs(content.anchoredPosition.x - _scrollPositions[i]);
            if (distance < minDistanceGap)
            {
                minDistanceGap = distance;
                idx = i;
            }
        }
        JumpTo(idx);
    }

    public void JumpTo(int index)
    {
        var targetPosition = new Vector2(_scrollPositions[index], content.anchoredPosition.y);
        // content.anchoredPosition = new Vector2(_scrollPositions[index], content.anchoredPosition.y);
        content.DOAnchorPos(targetPosition, 0.2f).SetEase(Ease.OutQuad);
    }
}