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> animationMoveCardToDeckQueue = new Queue<Sequence>();
    private bool isAnimationPlaying;
    private bool isSetup;
    // private Vector3 dealCardPlaceWorldPosition;

    private enum CardManagerStateEnum
    {
        WAIT,
        DEAL_CARD,
        DROP_CARD,
    }

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


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

    public void PlayAnimationShuffleCardToDeck(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];
            animationMoveCardToDeckQueue.Enqueue(moveDeckAnimation);
            ownedCardTweenList.Remove(moveDeckAnimation);
        }

        PlayNextMoveOwnedCardToDeck();
    }

    private void PlayNextMoveOwnedCardToDeck()
    {
        if (animationMoveCardToDeckQueue.Count == 0)
        {
            if (turnSingleton.GetNeedDebugLog()) turnSingleton.PrintMsg("CardManager", "动作切换", "洗牌完成");
            isAnimationPlaying = false;
            TurnManagerEvent.CallTurnManagerStateEnterSelfTurn(); // 洗牌完成以后, 通知TurnManager进入自己的回合
            return;
        }

        isAnimationPlaying = true;
        Sequence seq = animationMoveCardToDeckQueue.Dequeue();
        seq.OnComplete(PlayNextMoveOwnedCardToDeck);
        seq.Play();
    }

    public List<Card> TakeFiveCard(List<Card> cardDeck, int count)
    {
        if (turnSingleton.GetNeedDebugLog()) turnSingleton.PrintMsg("CardManager", "动作切换", "开始抽卡");
        for (int i = 0; i < count; i++)
        {
            Card takeOutCard = cardDeck[UnityEngine.Random.Range(0, cardDeck.Count)];
            cardDeck.Remove(takeOutCard);
            // ReadjustCardPosition(takeOutCard);
        }

        return cardDeck;
    }

    // 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
    //     GetMoveCardTween(firstCardPosition, cardSpacing, takeOutCard);
    // }
    //
    // private void GetMoveCardTween(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);
    //         Sequence seq = takeOutCard.GetTweenMoveCardGoHand(movePosition: cardWorldPosition, doRotation: rotation,
    //             doDuration: moveAnimationDuration, doLayerSortOrder: i + 1);
    //         animationQueue.Enqueue(seq);
    //     }
    //
    //     PlayNextMoveCardToHand();
    // }
    //
    // private void PlayNextMoveCardToHand()
    // {
    //     if (animationQueue.Count == 0)
    //     {
    //         isAnimationPlaying = false;
    //         return;
    //     }
    //
    //     isAnimationPlaying = true;
    //     Sequence seq = animationQueue.Dequeue();
    //     seq.AppendCallback(PlayNextMoveCardToHand);
    //     seq.Play();
    // }
}