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

public class CardUIManager : MonoBehaviour
{
    [SerializeField]
    private CanvasGroup canvasGroup;
    [SerializeField]
    private PuzzleCardItem m_cardItemPrefab;
    [SerializeField]
    private Transform m_cardItemParent;
    [SerializeField]
    private List<PuzzleCardAnimItem> m_cardList;
    [SerializeField]
    private ButtonInteraction m_selectBtn;
    [SerializeField]
    private Transform m_newCardParent;
    [SerializeField]
    private PuzzleTarotCardItem m_tarotCardItemPrefab;
    [SerializeField]
    private PuzzleTarotCardsConfig m_tarotCardList;

    private List<PuzzleTarotCard> m_cardPool;

    [SerializeField]
    private PuzzleExplainUI PuzzleExplainUI;
    private int currCardIndex;
    private List<PuzzleCardItem> puzzleCardItemList;
    public void Init(PuzzleDrawTarot PuzzleDrawTarot)
    {
        currCardIndex = 0;
        gameObject.SetActive(true);
        canvasGroup.alpha = 0f;
        canvasGroup.DOFade(1f, 1f);
        if(puzzleCardItemList==null)
        {
            puzzleCardItemList= new List<PuzzleCardItem>();
        }
        for(int j=0;j<puzzleCardItemList.Count;j++)
        {
            Destroy(puzzleCardItemList[j].gameObject);
        }
        puzzleCardItemList.Clear();
        if(puzzleTarotCardItemList==null)
        {
            puzzleTarotCardItemList= new List<PuzzleTarotCardItem>();
        }
        for(int j=0;j<puzzleTarotCardItemList.Count;j++)
        {
            Destroy(puzzleTarotCardItemList[j].gameObject);
        }
        puzzleTarotCardItemList.Clear();
        for(int j=0;j<PuzzleDrawTarot.DrawCount;j++)
        {
            GameObject go = Instantiate(m_cardItemPrefab.gameObject,m_cardItemParent);
            PuzzleCardItem currItem = go.GetComponent<PuzzleCardItem>();
            puzzleCardItemList.Add(currItem);
        }
        m_selectBtn.Init(SelectCard);

        m_cardPool = new List<PuzzleTarotCard>(m_tarotCardList.Cards);
    }

    public void SelectCard()
    {
        if(currCardIndex>=puzzleCardItemList.Count)return;
        PuzzleCardAnimItem currSelectItem = FindNearestImage();
        currSelectItem.Show(false);
        StartCoroutine(DelayShow(currSelectItem));
        GameObject go = Instantiate(currSelectItem.gameObject,m_newCardParent);
        go.transform.position = currSelectItem.transform.position;
        PuzzleCardAnimItem newItem = go.GetComponent<PuzzleCardAnimItem>();
        newItem.MoveTo(puzzleCardItemList[currCardIndex]);
        StartCoroutine(DelayCreateTarotCardItem(newItem,currCardIndex));
        currCardIndex++;
    }

    List<PuzzleTarotCardItem> puzzleTarotCardItemList;
    IEnumerator DelayCreateTarotCardItem(PuzzleCardAnimItem newItem, int currIndex)
    {
        GameObject go = Instantiate(m_tarotCardItemPrefab.gameObject,m_newCardParent);
        go.transform.position = puzzleCardItemList[currCardIndex].transform.position;
        PuzzleTarotCardItem tarotCardItem = go.GetComponent<PuzzleTarotCardItem>();
        PuzzleTarotCard randomTarotCard = GetTarotCard();
        tarotCardItem.Init(randomTarotCard);
        puzzleTarotCardItemList.Add(tarotCardItem);
        m_cardPool.Remove(randomTarotCard);
        go.transform.localEulerAngles = new Vector3(0,90,0);
        yield return new WaitForSeconds(1f);
        newItem.transform.DORotate(new Vector3(0,90,0),1f).SetEase(Ease.Linear);
        yield return new WaitForSeconds(1f);
        go.transform.DORotate(new Vector3(0,0,0),1f).SetEase(Ease.Linear);
        yield return new WaitForSeconds(1f);
        if(currIndex>=puzzleCardItemList.Count-1)
        {
            canvasGroup.DOFade(0f, 1f).OnComplete(()=>
            {
                gameObject.SetActive(false);
                PuzzleExplainUI.Init(puzzleTarotCardItemList);
            });
        }
    }

    PuzzleTarotCard GetTarotCard()
    {
        int currIndex = Random.Range(0, m_cardPool.Count);
        return m_cardPool[currIndex];
    }

    IEnumerator DelayShow(PuzzleCardAnimItem currSelectItem)
    {
        yield return new WaitForSeconds(2f);
        currSelectItem.Show(true);
    }

    public PuzzleCardAnimItem FindNearestImage()
    {
        if (m_cardList.Count == 0)
        {
            Debug.LogError("Image列表为空！");
            return null;
        }

        PuzzleCardAnimItem nearestImage = m_cardList[0];
        float minDistance = Mathf.Abs(nearestImage.GetComponent<RectTransform>().position.x - m_selectBtn.GetComponent<RectTransform>().position.x);

        foreach (PuzzleCardAnimItem image in m_cardList)
        {
            float distance = Mathf.Abs(image.GetComponent<RectTransform>().position.x - m_selectBtn.GetComponent<RectTransform>().position.x);
            if (distance < minDistance)
            {
                minDistance = distance;
                nearestImage = image;
            }
        }

        return nearestImage;
    }
}