using DG.Tweening;
using OneP.InfinityScrollView;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class SlotSpin : MonoBehaviour
{
    RectTransform rect;
    CanvasGroup canvasGroup;
    public InfinityScrollView infinityScroll;
    public Transform content;
    RectTransform contentRectTransform;
    public Animation animation;

    bool INIT = false;
    System.Action<Sprite> OnSelect;
    /// <summary>
    /// 슬롯을 초기화 합니다
    /// </summary>
    /// <param name="sprites">스프라이트 리스트 필요</param>
    /// <param name="idxSlot">-1 = Random</param>
    /// <param name="OnSelect">스핀 종료 이벤트</param>
    public void OnInitialized(List<Sprite> sprites, int idxSlot, System.Action<Sprite> OnSelect)
    {
        if (contentRectTransform == null)
            contentRectTransform = content.GetComponent<RectTransform>();

        if(rect == null)
            rect = GetComponent<RectTransform>();
        if(canvasGroup == null)
            canvasGroup = GetComponent<CanvasGroup>();

        this.idxSlot = idxSlot < sprites.Count ? idxSlot : sprites.Count - 1;
        this.OnSelect = OnSelect;
        this.sprites.Clear();
        spritesOrigin = new List<Sprite>(sprites);
        max = sprites.Count;

        StartCoroutine(Initialized());
    }
    public List<SlotSpinItem> items;
    IEnumerator Initialized()
    {
        yield return null;

        if (!INIT)
        {
            SlotSpinItem item = null; 
            for (int i = 0; i < infinityScroll.listItem.Count; i++)
            {
                item = infinityScroll.listItem[i].GetComponent<SlotSpinItem>();
                item.OnGeted = DataGet;

                items.Add(item);
            }

            yield return null;

            INIT = true;
        }

        LoadAsync();
    }
    void LoadAsync()
    {
        int idx = 0;

        if (idxSlot == -1)
        {
            for (int i = 0; i < listCount; i++)
                sprites.AddRange(spritesOrigin);

            idx = Random.Range((int)(sprites.Count * percent), sprites.Count - max);
            idxSlot = idx % max;
        }
        else
        {
            //idx = sprites.Count - (max * 2) + idxSlot;
            //idxSlot = idx % max;

            for (int i = 0; i < listCount - 1; i++)
                sprites.AddRange(spritesOrigin);

            idx = sprites.Count + spritesOrigin.Count - 1;

            Sprite sprite = spritesOrigin[idxSlot];
            spritesOrigin.Remove(sprite);
            Util.ListShuffle<Sprite>.Shuffle(spritesOrigin);
            spritesOrigin.Add(sprite);

            sprites.AddRange(spritesOrigin);
        }

        contentRectTransform.anchoredPosition = Vector2.zero;
        if (animation != null)
            Util.AnimationStop(animation, animation.clip.name);

        content.transform.DOLocalMoveY(-(infinityScroll.itemSize * idx + infinityScroll.itemSize / 2f), duration).SetEase(ease).OnComplete(() =>
        {
            if (animation != null)
                animation.Play();

            if (OnSelect != null)
                OnSelect(sprites[idxSlot]);
        });

        infinityScroll.Setup(sprites.Count);
        infinityScroll.InternalReload();
    }

    List<Sprite> spritesOrigin;
    public List<Sprite> sprites;//보유 스킬 목록
    [Space(10)]
    [Header("리스트 총 갯수 = 3 * listCount")]
    public int listCount = 8;
    int max = 0;
    float percent = 0.2f;
    [Range(0, 5)]
    public float duration = 1f;
    public AnimationCurve ease;
    Sprite DataGet(int i)
    {
        return sprites[i];
    }
    [Space(10)]
    public int idxSlot = 0;
}