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

public class HeroReturnWin : UIBase
{
    [SerializeField] RectTransform activeRect;
    [SerializeField] RectTransform moveRect;
    [SerializeField] RectTransform startRect;
    [SerializeField] RectTransform endRect;

    [SerializeField] ImageEx bgImage;
    [SerializeField] ImageEx titleImage;
    [SerializeField] TextEx timeText;
    [SerializeField] ButtonEx animationButton;
    [SerializeField] ButtonEx checkInButton; // 签到赠礼
    [SerializeField] RedpointBehaviour checkInRedpoint;
    [SerializeField] ButtonEx starUpButton; // 升星计划
    [SerializeField] RedpointBehaviour starUpRedpoint;
    [SerializeField] ButtonEx shopButton; // 兑换商店
    [SerializeField] RedpointBehaviour shopRedpoint;
    [SerializeField] ImageEx skinImage;
    [SerializeField] ButtonEx skinButton; // 时装特卖
    [SerializeField] ButtonEx giftButton; // 皇权礼包
    [SerializeField] RedpointBehaviour giftRedpoint;
    [SerializeField] ButtonEx callButton; // 皇权招募
    [SerializeField] UIHeroController uiHeroController;
    [SerializeField] UIHeroController lhController;
    [SerializeField] Image callRedImage;
    [SerializeField] ButtonEx closeButton;
    [SerializeField] float modleSize = 0.8f;

    // 轮播相关
    private const float CarouselInterval = 5f;       // 轮播间隔5秒
    private const float FadeDuration = 0.4f;          // 渐变时长
    private int[] heroIdList;                         // 武将ID列表
    private int currentHeroIndex;                      // 当前武将索引
    private bool isCarouselActive;                    // 是否正在轮播
    private Tween carouselTween;                       // 轮播淡入淡出tween
    private float carouselTimer;                       // 轮播计时器

    HeroReturnManager manager => HeroReturnManager.Instance;

    protected override void InitComponent()
    {
        closeButton.SetListener(() => UIManager.Instance.CloseWindow<HeroReturnWin>());
        checkInButton.SetListener(() => UIManager.Instance.OpenWindow<HeroReturnCheckInWin>());
        starUpButton.SetListener(() =>
        {

            if (manager.IsLockStarHero(manager.GetOperationHeroAppearInfo()))
            {
                UIManager.Instance.OpenWindow<HeroReturnStarUpWin>();
                return;
            }

            if (!manager.LoadStarUpChooseHeroStateKey(manager.GetOperationHeroAppearInfo()))
            {
                UIManager.Instance.OpenWindow<HeroReturnStarUpChangeWin>();
                return;
            }
            UIManager.Instance.OpenWindow<HeroReturnStarUpWin>();
        });
        shopButton.SetListener(() => UIManager.Instance.OpenWindow<HeroReturnShopWin>());
        skinButton.SetListener(() => UIManager.Instance.OpenWindow<HeroReturnSkinWin>());
        giftButton.SetListener(() => UIManager.Instance.OpenWindow<HeroReturnGiftWin>());
        callButton.SetListener(() => UIManager.Instance.OpenWindow<HeroReturnCallWin>());
    }

    protected override void OnPreOpen()
    {
        InitRedpoint();

        GlobalTimeEvent.Instance.secondEvent += OnSecondEvent;
        RechargeManager.Instance.rechargeCountEvent += OnRechargeCountEvent;
        StoreModel.Instance.RefreshBuyShopLimitEvent += Display;
        manager.OnUpdateHeroAppearPlayerInfoEvent += OnUpdateHeroAppearPlayerInfoEvent;
        Display();
    }

    protected override void OnPreClose()
    {
        StopCarousel();
        GlobalTimeEvent.Instance.secondEvent -= OnSecondEvent;
        RechargeManager.Instance.rechargeCountEvent -= OnRechargeCountEvent;
        StoreModel.Instance.RefreshBuyShopLimitEvent -= Display;
        manager.OnUpdateHeroAppearPlayerInfoEvent -= OnUpdateHeroAppearPlayerInfoEvent;
    }

    private void OnUpdateHeroAppearPlayerInfoEvent()
    {
        Display();
    }

    private void OnRechargeCountEvent(int obj)
    {
        Display();
    }

    public void InitRedpoint()
    {
        checkInRedpoint.redpointId = manager.GetRedPointId(HeroReturnRedPointType.CheckIn);
        starUpRedpoint.redpointId = manager.GetRedPointId(HeroReturnRedPointType.StarUp);
        shopRedpoint.redpointId = manager.GetRedPointId(HeroReturnRedPointType.Shop);
        giftRedpoint.redpointId = manager.GetRedPointId(HeroReturnRedPointType.Gift);
    }

    private void Display()
    {
        var act = manager.GetOperationHeroAppearInfo();
        if (act == null) return;

        var config = ActHeroAppearConfig.Get(act.CfgID);
        if (config == null || config.ActHeroIDList.IsNullOrEmpty()) return;

        // 获取武将列表
        heroIdList = config.ActHeroIDList;
        currentHeroIndex = 0;

        // 如果只有一个武将，不轮播，直接显示
        if (heroIdList.Length <= 1)
        {
            StopCarousel();
            DisplayHero(heroIdList[0], false);
        }
        else
        {
            // 多个武将，开启轮播
            carouselTimer = 0f;
            DisplayHero(heroIdList[currentHeroIndex], false);
            StartCarousel();
        }

        callRedImage.SetActive(!manager.IsShopVisitedToday || manager.HasGiftCanHave());
        OnSecondEvent();
    }

    private void LateUpdate()
    {
        if (!isCarouselActive) return;
        if (heroIdList == null || heroIdList.Length <= 1) return;

        // 检查是否存在更高层级的窗口，如果有则不播放轮播
        if (UIManager.Instance.ExistAnySameLevelWinHigherSortingOrder(uiLayer, uiName))
        {
            return;
        }

        carouselTimer += Time.deltaTime;
        if (carouselTimer >= CarouselInterval)
        {
            carouselTimer = 0f;
            // 切换到下一个武将
            currentHeroIndex = (currentHeroIndex + 1) % heroIdList.Length;
            int nextHeroID = heroIdList[currentHeroIndex];
            // 带动画切换
            DisplayHero(nextHeroID, true);
        }
    }

    /// <summary>
    /// 显示指定武将的背景和立绘
    /// </summary>
    private void DisplayHero(int heroID, bool withAnimation)
    {
        var artConfig = ActHeroReturnArtConfig.Get(heroID);
        if (artConfig == null) return;

        int skinID = manager.GetDefaultSkinID(heroID);
        var skinConfig = HeroSkinConfig.Get(skinID);
        if (skinConfig == null) return;

        int mainSkinID = artConfig.MainSkinID;

        if (withAnimation)
        {
            carouselTween?.Kill();

            Sequence seq = DOTween.Sequence();
            seq.Append(bgImage.DOFade(0.7f, FadeDuration));

            CanvasGroup lhCanvasGroup = lhController.GetComponent<CanvasGroup>();
            if (lhCanvasGroup == null)
            {
                lhCanvasGroup = lhController.gameObject.AddComponent<CanvasGroup>();
            }
            seq.Join(lhCanvasGroup.DOFade(0f, FadeDuration));

            seq.OnComplete(() =>
            {
                UpdateHeroDisplay(heroID, skinID, artConfig, mainSkinID);
                // 淡入
                bgImage.DOFade(1f, FadeDuration);
                lhCanvasGroup.DOFade(1f, FadeDuration);
            });

            carouselTween = seq;
        }
        else
        {
            UpdateHeroDisplay(heroID, skinID, artConfig, mainSkinID);
            CanvasGroup lhCanvasGroup = lhController.GetComponent<CanvasGroup>();
            if (lhCanvasGroup != null)
            {
                lhCanvasGroup.alpha = 1f;
            }
        }
    }

    /// <summary>
    /// 更新武将显示资源
    /// </summary>
    private void UpdateHeroDisplay(int heroID, int skinID, ActHeroReturnArtConfig artConfig, int mainSkinID)
    {
        int chosenHeroSkinID = manager.GetDefaultSkinID(
            manager.LoadCallChooseHeroStateKey(manager.GetOperationHeroAppearInfo()) ?
            manager.GetCurrentDisplayCallHeroId() :
            manager.GetFirstHeroId());
        uiHeroController.Create(chosenHeroSkinID, modleSize);

        uiHeroController.transform.localScale = new Vector3(-modleSize, modleSize, modleSize);
        lhController.Create(skinID, 1, motionName: "", isLh: true);

        // 更新背景
        bgImage.SetSprite(StringUtility.Concat("HeroReturnMainBG_", heroID.ToString()));
        bgImage.SetNativeSize();

        // 更新标题
        titleImage.SetSprite(StringUtility.Concat("HeroReturnMainTitle_", heroID.ToString()));
        titleImage.SetNativeSize();

        // 更新皮肤图片
        int firstHeroID = manager.GetFirstHeroId();
        var firstHeroIDArtConfig = ActHeroReturnArtConfig.Get(firstHeroID);
        if (firstHeroIDArtConfig == null) return;
        skinImage.SetSprite(StringUtility.Concat("HeroReturnSkinEnterBG_", firstHeroIDArtConfig.MainSkinID.ToString()));
    }

    /// <summary>
    /// 开始轮播
    /// </summary>
    private void StartCarousel()
    {
        if (isCarouselActive) return;
        isCarouselActive = true;
        carouselTimer = 0f;
    }

    /// <summary>
    /// 停止轮播
    /// </summary>
    private void StopCarousel()
    {
        isCarouselActive = false;
        carouselTimer = 0f;
        carouselTween?.Kill();
        carouselTween = null;
    }

    private void OnSecondEvent()
    {
        manager.GetActTimeStr(timeText);
    }
}