using Assets.Framework.Tool;
using Assets.MyGame.Scripts.Net;
using Assets.MyGame.Scripts.Net.API.GameConfig_SubClass;
using Assets.MyGame.Scripts.Net.APIRequest.Objs;
using Assets.MyGame.Scripts.Net.APIRequest.Params;
using Assets.MyGame.Scripts.Net.APIResponses;
using System.Collections.Generic;
using System.Linq;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class ZhanLing_Panel : SubUIBase
{
    public Toggle toggle_MoRenShowZhnaLingJiangLi;
    [Header("战令等级奖励页面")]
    public TextMeshProUGUI tmp_Level;
    public TextMeshProUGUI tmp_Exp;
    public Slider slider_LevelExp;

    public LevelGiftitem levelGiftitemPrefab;
    public Transform levelGiftitemParent;
    public LevelGiftitem levelGiftitem_100;

    public Button btn_GetAllGift;
    public Button btn_BuyJinJieZhanLing;
    public TextMeshProUGUI btn_BuyZhanLing_Label;
    public TextMeshProUGUI tmp_ActiveTime;  //战令刷新时间  30天10:01:50

    [Header("任务页面")]
    public RenWuItem renWuItemPrefab;
    public Transform renWuItemParent;

    [Header("购买等级礼包页面")]
    public BackPackPropItem buyLevelGiftitemPrefab;
    public Transform buyLevelGiftitemMianFeiParent;
    public Transform buyLevelGiftitemJingYingParent;
    public Transform buyLevelGiftitemZhiZunParent;
    public Slider slider_BuyLevelExpCount;
    public Button btn_Buy;
    public TextMeshProUGUI tmp_PriceNum;
    public TextMeshProUGUI tmp_BuyLabel; //购买<color=yellow> 99999 </color>点经验值升至 <color=green>100 </color>级

    [Header("活动切换项")]
    public GameObject huoDongToggleItemPrefab;
    public Transform huoDongToggleItemParent;

    [Header("购买进阶战令页面")]
    public Button btn_JinJie;
    public Button btn_ZhiZun;
    public Button btn_ZhiZunAndJinJie;

    private BattleOrderConfigInfo _config;
    private UserBattleOrderInfo _userData;
    private int _selectedBuyLevel;
    private List<BattleOrderLevelConfig> _buyLevelConfigs;  // 含 payType/payCount

    public Toggle toggle_HD;
    public Toggle toggle_GG;

    // ==================== 生命周期 ====================
    public override void Awake()
    {
        base.Awake();
        btn_CloseGG.onClick.AddListener(() => uIManager.Hide(this));
    }
    protected override void OnShow(object args = null)
    {
        base.OnShow(args);
        RefreshAll();
        LoadNoticeList();
        switch (PanelType)
        {
            case UIPanel.ActivityPenel:
                toggle_HD.isOn = true;
                toggle_MoRenShowZhnaLingJiangLi.isOn = true;
                break;
           
            case UIPanel.AnnouncementPanel:
                toggle_GG.isOn = true;
                break;
        }
    }

    private void RefreshAll()
    {
        APIRequestList.GetBattleOrder(res =>
        {
            if (res == null || !res.isOpen) return;
            _config = res.config;
            _userData = res.userBattleOrder;

            RefreshLevelPage();
            RefreshTasksPage();
            RefreshBuyPage();
            RefreshBtnLabels();
        });

        APIRequestList.GetBattleOrderConfig(cfg =>
        {
            if (cfg != null) _buyLevelConfigs = cfg.levelConfig;
        });
    }

    // ==================== 等级奖励页面 ====================

    private int _maxLevel = 100;

    private void RefreshLevelPage()
    {
        if (_config?.levelConfig == null || _userData == null) return;

        int level = _userData.level;
        int exp = _userData.exp;
        var lvCfg = _config.levelConfig.Find(c => c.level == level);
        int expNeeded = lvCfg?.exp ?? 100;

        tmp_Level.text = $"Lv.{level}";
        tmp_Exp.text = $"<color=yellow>{exp}</color>/{expNeeded}";
        slider_LevelExp.maxValue = expNeeded;
        slider_LevelExp.value = Mathf.Clamp(exp, 0, expNeeded);

        // 战令剩余时间
        RefreshActiveTime();

        // 清空旧列表
        for (int i = levelGiftitemParent.childCount - 1; i >= 0; i--)
            Destroy(levelGiftitemParent.GetChild(i).gameObject);

        // 已领取的等级集合
        var claimedSet = _userData.receivedLevels != null
            ? new HashSet<int>(_userData.receivedLevels)
            : new HashSet<int>();

        // 构建等级礼包列表（1-99级显示礼包内容，100级占位）
        foreach (var lv in _config.levelConfig)
        {
            if (lv.level > _maxLevel) continue;

            if (lv.level == _maxLevel)
            {
                // 100级占位：创建一个空对象保持布局对齐
                var placeholder = new GameObject("Placeholder_Lv100", typeof(RectTransform));
                placeholder.transform.SetParent(levelGiftitemParent, false);
                var rt = placeholder.GetComponent<RectTransform>();
                var prefabRt = levelGiftitemPrefab.GetComponent<RectTransform>();
                if (rt != null && prefabRt != null)
                {
                    rt.sizeDelta = prefabRt.sizeDelta;
                    rt.anchorMin = prefabRt.anchorMin;
                    rt.anchorMax = prefabRt.anchorMax;
                    rt.pivot = prefabRt.pivot;
                }
                // 如果 prefab 有 LayoutElement，也复制
                var prefabLE = levelGiftitemPrefab.GetComponent<LayoutElement>();
                if (prefabLE != null)
                {
                    var le = placeholder.AddComponent<LayoutElement>();
                    le.preferredWidth = prefabLE.preferredWidth;
                    le.preferredHeight = prefabLE.preferredHeight;
                    le.minWidth = prefabLE.minWidth;
                    le.minHeight = prefabLE.minHeight;
                }
                continue;
            }

            var item = Instantiate(levelGiftitemPrefab, levelGiftitemParent);
            item.gameObject.SetActive(true);

            bool isClaimed = claimedSet.Contains(lv.level);

            var nf = FirstGift(lv.normalGiftList);
            var lx = FirstGift(lv.luxuryGiftList);
            var sz = FirstGift(lv.supremeGiftList);

            LevelGiftType giftType = 0;
            if (nf != null) giftType |= LevelGiftType.MianFei;
            if (lx != null && _userData.isLuxury) giftType |= LevelGiftType.JingYing;
            if (sz != null && _userData.isSupreme) giftType |= LevelGiftType.ZhiZun;

            item.Init(
                nf?.product?.imageUrl ?? "", nf?.count ?? 0,
                lx?.product?.imageUrl ?? "", lx?.count ?? 0,
                sz?.product?.imageUrl ?? "", sz?.count ?? 0,
                lv.level, giftType, isClaimed,
                nf?.type ?? 0, lx?.type ?? 0, sz?.type ?? 0);
        }

        // 100级礼包
        var lv100 = _config.levelConfig.Find(c => c.level == _maxLevel);
        if (lv100 != null && levelGiftitem_100 != null)
        {
            bool isClaimed = claimedSet.Contains(_maxLevel);

            var nf100 = FirstGift(lv100.normalGiftList);
            var lx100 = FirstGift(lv100.luxuryGiftList);
            var sz100 = FirstGift(lv100.supremeGiftList);

            LevelGiftType giftType100 = LevelGiftType.MianFei;
            if (lx100 != null && _userData.isLuxury) giftType100 |= LevelGiftType.JingYing;
            if (sz100 != null && _userData.isSupreme) giftType100 |= LevelGiftType.ZhiZun;

            levelGiftitem_100.Init(
                nf100?.product?.imageUrl ?? "", nf100?.count ?? 0,
                lx100?.product?.imageUrl ?? "", lx100?.count ?? 0,
                sz100?.product?.imageUrl ?? "", sz100?.count ?? 0,
                _maxLevel, giftType100, isClaimed,
                nf100?.type ?? 0, lx100?.type ?? 0, sz100?.type ?? 0);
            levelGiftitem_100.gameObject.SetActive(true);
        }
    }

    // ==================== 任务页面 ====================

    private void RefreshTasksPage()
    {
        if (renWuItemPrefab == null || renWuItemParent == null) return;

        for (int i = renWuItemParent.childCount - 1; i >= 0; i--)
            Destroy(renWuItemParent.GetChild(i).gameObject);

        APIRequestList.GetUserTaskList(tasks =>
        {
            if (tasks == null) return;
            foreach (var t in tasks)
            {
                int curr = (int)t.count;
                float progress = t.taskCount > 0 ? (float)t.count / t.taskCount : 0f;
                CreateTaskItem(t.exp, curr, t.taskCount, t.remark, progress, UIPanel.None);
            }
        });
    }
    

    private void CreateTaskItem(int expCount, int currJinDu, int maxJinDu, string label, float progress, UIPanel targetPanel)
    {
        var item = Instantiate(renWuItemPrefab, renWuItemParent);
        item.gameObject.SetActive(true);
        item.Init(expCount, currJinDu, maxJinDu, label, progress, targetPanel, uIManager);
    }

    // ==================== 购买等级页面 ====================

    private void RefreshBuyPage()
    {
        if (_config?.levelConfig == null) return;

        slider_BuyLevelExpCount.minValue = 1;
        slider_BuyLevelExpCount.maxValue = _maxLevel;
        slider_BuyLevelExpCount.value = _userData.level;
        slider_BuyLevelExpCount.wholeNumbers = true;
        slider_BuyLevelExpCount.onValueChanged.RemoveAllListeners();
        slider_BuyLevelExpCount.onValueChanged.AddListener(OnBuyLevelSliderChanged);

        _selectedBuyLevel = _userData.level;
        UpdateBuyLevelGifts(_selectedBuyLevel);
        UpdateBuyPrice();
    }

    private void OnBuyLevelSliderChanged(float value)
    {
        _selectedBuyLevel = Mathf.RoundToInt(value);
        UpdateBuyLevelGifts(_selectedBuyLevel);
        UpdateBuyPrice();
    }

    private void UpdateBuyLevelGifts(int level)
    {
        ClearBuyGiftParent(buyLevelGiftitemMianFeiParent);
        ClearBuyGiftParent(buyLevelGiftitemJingYingParent);
        ClearBuyGiftParent(buyLevelGiftitemZhiZunParent);

        var cfg = _config?.levelConfig?.Find(c => c.level == level);
        if (cfg == null) return;

        AddBuyGiftList(buyLevelGiftitemMianFeiParent, cfg.normalGiftList);
        AddBuyGiftList(buyLevelGiftitemJingYingParent, cfg.luxuryGiftList);
        AddBuyGiftList(buyLevelGiftitemZhiZunParent, cfg.supremeGiftList);
    }

    private void ClearBuyGiftParent(Transform parent)
    {
        if (parent == null) return;
        for (int i = parent.childCount - 1; i >= 0; i--)
            Destroy(parent.GetChild(i).gameObject);
    }

    private void AddBuyGiftList(Transform parent, List<GiftConfig> gifts)
    {
        if (parent == null || gifts == null) return;
        foreach (var gift in gifts)
        {
            var obj = Instantiate(buyLevelGiftitemPrefab, parent);
            string url = !string.IsNullOrEmpty(gift.product?.imageUrl)
                ? APIManager.baseURL + gift.product.imageUrl
                : "";
            int type = gift.type;
            PropEnum pe = type switch { 3 => (PropEnum)(gift.product?.type ?? 0), _ => PropEnum.none };
            int count = gift.isRandom ? gift.minCount : gift.count;
            obj.Init(url, count, pe);
        }
    }

    private void UpdateBuyPrice()
    {
        int levelsToBuy = _selectedBuyLevel - _userData.level;
        if (levelsToBuy <= 0)
        {
            tmp_PriceNum.text = "已达成";
            if (tmp_BuyLabel != null) tmp_BuyLabel.text = "";
            btn_Buy.interactable = false;
        }
        else
        {
            // 计算从当前等级到目标等级所需总经验和总花费
            int totalExp = 0;
            int totalCost = 0;
            int costPayType = 2; // 默认钻石
            if (_buyLevelConfigs != null)
            {
                for (int lv = _userData.level + 1; lv <= _selectedBuyLevel; lv++)
                {
                    var cfg = _buyLevelConfigs.Find(c => c.level == lv);
                    if (cfg != null)
                    {
                        totalExp += cfg.exp;
                        totalCost += cfg.payCount;
                        if (cfg.payType > 0) costPayType = cfg.payType;
                    }
                }
            }

            tmp_PriceNum.text = costPayType switch
            {
                1 => $"<sprite name=\"金币\">{totalCost}",
                3 => $"￥{totalCost}",
                _ => $"<sprite name=\"钻石\">{totalCost}",
            };
            if (tmp_BuyLabel != null)
                tmp_BuyLabel.text = $"购买<color=yellow> {totalExp} </color>点经验值升至 <color=green>{_selectedBuyLevel} </color>级";
            btn_Buy.interactable = true;
        }
    }

    // ==================== 按钮事件 ====================

    private void RefreshBtnLabels()
    {
        if (btn_BuyZhanLing_Label != null)
        {
            btn_BuyZhanLing_Label.text = (_userData.isLuxury || _userData.isSupreme) ? "已购买" : "购买战令";
        }

        btn_GetAllGift.onClick.RemoveAllListeners();
        btn_GetAllGift.onClick.AddListener(() =>
        {
            APIRequestList.ReceiveAllBattleOrderRewards(res =>
            {
                // 立即标记当前可达等级为已领取
                if (_userData.receivedLevels == null)
                    _userData.receivedLevels = new List<int>();
                for (int lv = 1; lv <= _userData.level; lv++)
                {
                    if (!_userData.receivedLevels.Contains(lv))
                        _userData.receivedLevels.Add(lv);
                }
                RefreshAll();
            });
        });

        btn_Buy.onClick.RemoveAllListeners();
        btn_Buy.onClick.AddListener(() =>
        {
            int levelsToBuy = _selectedBuyLevel - _userData.level;
            if (levelsToBuy <= 0) return;

            APIRequestList.BuyBattleOrderLevel(new BuyBattleOrderLevelParam { levelCount = levelsToBuy }, res =>
            {
                Debug.Log($"[ZhanLing] 购买等级完成: 新等级={res.newLevel}, 花费={res.cost}");
                RefreshAll();
            });
        });

        btn_JinJie.onClick.RemoveAllListeners();
        btn_JinJie.onClick.AddListener(() => BuyAdvance(1));

        btn_ZhiZun.onClick.RemoveAllListeners();
        btn_ZhiZun.onClick.AddListener(() => BuyAdvance(2));

        btn_ZhiZunAndJinJie.onClick.RemoveAllListeners();
        btn_ZhiZunAndJinJie.onClick.AddListener(() => BuyAdvance(3));

        // 三个按钮的 child(0) 显示购买价格
        RefreshAdvanceBtnLabels();
    }

    private void RefreshAdvanceBtnLabels()
    {
        if (_config?.advanceGift == null) return;

        var jinJie = _config.advanceGift.Find(a => a.type == 1);
        var zhiZun = _config.advanceGift.Find(a => a.type == 2);
        var all = _config.advanceGift.Find(a => a.type == 3);

        SetBtnPrice(btn_JinJie, jinJie, _userData.isLuxury);
        SetBtnPrice(btn_ZhiZun, zhiZun, _userData.isSupreme);
        SetBtnPrice(btn_ZhiZunAndJinJie, all, _userData.isLuxury && _userData.isSupreme);
    }

    private void SetBtnPrice(Button btn, BattleOrderAdvanceInfo info, bool isBought)
    {
        if (btn == null || info == null) return;
        // 已购买则显示"已购买"，否则显示价格
        if (isBought)
        {
            var label = btn.transform.childCount > 0
                ? btn.transform.GetChild(0).GetComponent<TextMeshProUGUI>()
                : null;
            if (label != null) label.text = "已购买";
        }
        else
        {
            SetBtnText(btn, info.payType, info.payCount);
        }
    }

    private void SetBtnText(Button btn, int payType, int price)
    {
        if (btn == null) return;
        var label = btn.transform.childCount > 0
            ? btn.transform.GetChild(0).GetComponent<TextMeshProUGUI>()
            : null;
        if (label == null) return;

        label.text = payType switch
        {
            1 => $"<sprite name=\"金币\">{price}",
            2 => $"<sprite name=\"钻石\">{price}",
            _ => $"￥{price}",
        };
    }

    private void BuyAdvance(int type)
    {
        APIRequestList.BuyBattleOrderAdvance(new BuyBattleOrderAdvanceParam { type = type }, res =>
        {
            // 立即更新本地状态，避免服务器延迟导致锁不消失
            if (type == 1 || type == 3) _userData.isLuxury = true;
            if (type == 2 || type == 3) _userData.isSupreme = true;
            RefreshAll();
        });
    }

    // ==================== 工具 ====================

    /// <summary>取礼物列表第一项（列表为空返回 null）</summary>
    private static GiftConfig FirstGift(List<GiftConfig> list)
    {
        return (list != null && list.Count > 0) ? list[0] : null;
    }

    /// <summary>HTML 转 TextMeshPro 兼容格式</summary>
    private static string HtmlToTMP(string html)
    {
        if (string.IsNullOrEmpty(html)) return html;

        string result = html;
        // <br/> / <br /> → <br>
        result = System.Text.RegularExpressions.Regex.Replace(result, @"<br\s*/?>", "<br>");
        // <p> </p> → 去标签，末尾加换行
        result = System.Text.RegularExpressions.Regex.Replace(result, @"</p>", "\n");
        result = System.Text.RegularExpressions.Regex.Replace(result, @"<p[^>]*>", "");
        // \n 转义
        result = result.Replace("\\n", "\n");
        // <div> </div>
        result = System.Text.RegularExpressions.Regex.Replace(result, @"</div>", "\n");
        result = System.Text.RegularExpressions.Regex.Replace(result, @"<div[^>]*>", "");
        // <font ...> </font> → 去掉标签保留内容（TMP 不支持动态切换字体）
        result = System.Text.RegularExpressions.Regex.Replace(result, @"</font>", "");
        result = System.Text.RegularExpressions.Regex.Replace(result, @"<font[^>]*>", "");
        // <span> </span> → 去标签保留内容
        result = System.Text.RegularExpressions.Regex.Replace(result, @"</?span[^>]*>", "");
        // &nbsp;
        result = result.Replace("&nbsp;", " ");
        // 多余空行
        result = System.Text.RegularExpressions.Regex.Replace(result, @"\n{3,}", "\n\n");
        return result;
    }

    /// <summary>刷新战令剩余时间（格式：30天10:01:50）</summary>
    private void RefreshActiveTime()
    {
        if (tmp_ActiveTime == null || _config == null) return;

        long now = BeijingTimeManager.Instance.CurrentTimestampMs / 1000;
        long remain = _config.endTime - now;
        if (remain <= 0)
        {
            tmp_ActiveTime.text = "已结束";
            return;
        }

        int days = (int)(remain / 86400);
        int hours = (int)((remain % 86400) / 3600);
        int mins = (int)((remain % 3600) / 60);
        int secs = (int)(remain % 60);
        tmp_ActiveTime.text = $"{days}天{hours:D2}:{mins:D2}:{secs:D2}";
    }
    [Header("公告")]
    public Button btn_CloseGG;

    //------------公告------------------
    public AnnouncementItem announcementItemPrefab;
    public Transform announcementItemParent;
    public TextMeshProUGUI tmp_TitleLabel;
    public TextMeshProUGUI tmp_Content;
    public Image img_TopImg;

    private List<NoticeDto> noticeList;

    private void LoadNoticeList()
    {
        APIRequestList.GetNoticeList(new NoticeListObj
        {
            keyWord = "",
            pageIndex = 0,
            pageSize = 50
        }, list =>
        {
            if (list == null) return;
            noticeList = list;

            // 清除旧列表
            for (int i = announcementItemParent.childCount - 1; i >= 0; i--)
                Destroy(announcementItemParent.GetChild(i).gameObject);

            foreach (var item in list)
            {
                var obj = Instantiate(announcementItemPrefab.gameObject, announcementItemParent);
                var tempItem = obj.GetComponent<AnnouncementItem>();
                tempItem.Init(item.title, item.createTime);
                tempItem.tMP_Header.text = item.title;
                string noticeId = item.id;
                obj.GetComponent<Toggle>().onValueChanged.RemoveAllListeners();
                obj.GetComponent<Toggle>().onValueChanged.AddListener((isOn) =>
                {
                    if (isOn) OnNoticeClick(noticeId);
                });
            }

            // 默认选中第一条公告
            if (list.Count > 0)
            {
                var firstToggle = announcementItemParent.GetChild(0).GetComponent<Toggle>();
                firstToggle.isOn = true;
                OnNoticeClick(list[0].id);
            }
        });
    }

    private void OnNoticeClick(string noticeId)
    {
        APIRequestList.GetNotice(new NoticeIdParam { id = noticeId }, notice =>
        {
            if (notice == null) return;
            if (tmp_TitleLabel != null) tmp_TitleLabel.text = notice.title;
            if (tmp_Content != null) tmp_Content.text = HtmlToTMP(notice.content);

            // 加载顶部图片
            if (img_TopImg != null && !string.IsNullOrEmpty(notice.topImage))
            {
                WebTool.DownImage(APIManager.baseURL + notice.topImage, texture =>
                {
                    if (texture != null && img_TopImg != null)
                        img_TopImg.sprite = Sprite.Create(texture,
                            new Rect(0, 0, texture.width, texture.height), Vector2.one * 0.5f);
                });
            }
        });
    }
}