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

public class CardManager : MonoBehaviour
{
    [SerializeField] private Camera mainCamera;

    // [SerializeField] private RectTransform dealCardPlace;
    [SerializeField] private Transform cardContainer;
    [SerializeField] private Collider2D areaCollider2D;
    [SerializeField] private SplineContainer splineContainer;
    private TurnManagerSingleton turnSingleton;
    private CardManagerStateEnum cardManagerState;
    private readonly List<Card> handCardList = new List<Card>();
    private float moveAnimationDuration;
    private float dragAnimationDuration;
    private readonly Queue<Sequence> moveDeckAnimationQueue = new Queue<Sequence>();
    private bool isMoveDeckAnimationPlaying;
    // private Vector3 dealCardPlaceWorldPosition;

    private enum CardManagerStateEnum
    {
        WAIT,
        DEAL_CARD,
        DROP_CARD,
    }

    public void SetupCardManager()
    {
        if (turnSingleton == null) turnSingleton = TurnManagerSingleton.Instance;
        if (mainCamera == null) mainCamera = Camera.main;
    }


    private CardManagerStateEnum GetCardManagerState() => cardManagerState;
    private void SetCardManagerState(CardManagerStateEnum state) => cardManagerState = state;

    public void ShuffleCardToDeck(List<Sequence> ownedCardTweenList)
    {
        if (turnSingleton.GetNeedDebugLog()) turnSingleton.PrintMsg("CardManager", "动作切换", "开始洗牌");
        while (ownedCardTweenList.Count > 0)
        {
            int randomIndex = UnityEngine.Random.Range(0, ownedCardTweenList.Count);
            Sequence moveDeckAnimation = ownedCardTweenList[randomIndex];
            moveDeckAnimationQueue.Enqueue(moveDeckAnimation);
            ownedCardTweenList.Remove(moveDeckAnimation);
        }

        PlayNextMoveOwnedCardToDeck();
    }

    private void PlayNextMoveOwnedCardToDeck()
    {
        if (moveDeckAnimationQueue.Count == 0)
        {
            isMoveDeckAnimationPlaying = false;
            return;
        }

        isMoveDeckAnimationPlaying = true;
        Sequence seq = moveDeckAnimationQueue.Dequeue();
        seq.OnComplete(PlayNextMoveOwnedCardToDeck);
        seq.Play();
    }

    // public Card DealOneCard(List<Card> cardDeckList)
    // {
    //     if (turnSingleton.GetNeedDebugLog()) turnSingleton.PrintMsg("CardManager", "动作切换", "开始发牌");
    //     SetCardManagerState(CardManagerStateEnum.DEAL_CARD);
    //     Card takeOutCard = cardDeckList[UnityEngine.Random.Range(0, cardDeckList.Count)];
    //     // create_a_card(takeOutCard);
    //     return takeOutCard;
    // }
    //
    // private void ReadjustCardPosition(Card takeOutCard) // 重新调整卡牌位置
    // {
    //     int handCardListCount = handCardList.Count;
    //     if (handCardListCount == 0) return;
    //     float cardSpacing = handCardListCount switch // 动态调整卡牌间距
    //     {
    //         <= 4 => 0.5f / (handCardListCount + 1),
    //         <= 5 => 0.75f / (handCardListCount + 1),
    //         _ => 1f / (handCardListCount + 1)
    //     };
    //     float firstCardPosition = 0.5f - (handCardListCount - 1) * cardSpacing / 2; // 获取第一个卡牌的位置
    //     MoveCard(firstCardPosition, cardSpacing, takeOutCard);
    // }
    //
    // private void MoveCard(float firstCardPosition, float cardSpacing, Card takeOutCard)
    // {
    //     Spline spline = splineContainer.Spline; // 获取曲线
    //     for (int i = 0; i < handCardList.Count; i++)
    //     {
    //         float position = firstCardPosition + i * cardSpacing;
    //         Vector3 cardWorldPosition = spline.EvaluatePosition(position); // 获取曲线指定位置的坐标
    //         cardWorldPosition += cardContainer.position;
    //         Vector3 forward = spline.EvaluateTangent(position); // 获取曲线指定的切线方向
    //         Vector3 up = spline.EvaluateUpVector(position); // 获取曲线指定的UP向量
    //         Vector3 upwards = Vector3.Cross(up, forward).normalized; // 切线和向上的夹角计算方向
    //         Quaternion rotation = Quaternion.LookRotation(up, upwards);
    //         takeOutCard.MoveCard(new Card.MoveMessage
    //         {
    //             GO_POSITION = cardWorldPosition,
    //             GO_ROTATION = rotation,
    //             GO_SCALE = Vector3.one,
    //             GO_LAYER_SORT_ORDER = i + 1,
    //             DURATION = moveAnimationDuration
    //         });
    //     }
    // }
}