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

public class UIHome_BY_RankPanel : SubUIBase
{
    [Header("排行列表")]
    public RankLineItem obj_LinePrefab;           // 排行行 Prefab
    public Transform prefabRankLineItem_parent;    // 列表父节点

    [Header("我的排行")]
    public RankLineItem myobj_Line;               // 底部"我的排行"固定行

    [Header("Tab 切换")]
    public Toggle toggle_GlodRank;                // 金币排行
    public Toggle toggle_LevelRank;               // 等级排行
    public Toggle toggle_CurrDayScroeRank;        // 今日消耗排行

    [Header("排行标题")]
    public TextMeshProUGUI tmp_RankTitle;         // 排行标题（可选）

    // ---- 运行时数据 ----
    /// <summary>当前排行类型 1=金币 2=等级 3=今日消耗</summary>
    private int _currentRankType = 1;

    private static readonly string[] RankTypeNames = { "", "金币排行", "等级排行", "今日消耗排行" };
    private RankingRewardConfig _rankingRewardConfig;

    protected override void OnShow(object args = null)
    {
        base.OnShow(args);

        // 优先使用入口（UIHomeMain）预取的配置，避免重复请求
        if (args is RankingRewardConfig cfg)
            _rankingRewardConfig = cfg;

        // 加载排名奖励配置
        if (_rankingRewardConfig == null)
        {
            APIRequestList.GetRankingRewardConfig(config =>
            {
                _rankingRewardConfig = config;
                SwitchRankType(_currentRankType);
            });
        }

        // ---- Toggle 监听 ----
        if (toggle_GlodRank != null)
            toggle_GlodRank.onValueChanged.AddListener((isOn) => { if (isOn) SwitchRankType(1); });
        if (toggle_LevelRank != null)
            toggle_LevelRank.onValueChanged.AddListener((isOn) => { if (isOn) SwitchRankType(2); });
        if (toggle_CurrDayScroeRank != null)
            toggle_CurrDayScroeRank.onValueChanged.AddListener((isOn) => { if (isOn) SwitchRankType(3); });

        // 初始化默认选中金币排行
        SwitchRankType(1);
    }

    private void SwitchRankType(int type)
    {
        _currentRankType = type;

        // 更新标题
        if (tmp_RankTitle != null && type >= 1 && type <= 3)
            tmp_RankTitle.text = RankTypeNames[type];

        // 同步 Toggle 状态
        SyncToggleState(type);

        LoadRankData(type);
    }

    private void SyncToggleState(int type)
    {
        if (toggle_GlodRank != null) toggle_GlodRank.SetIsOnWithoutNotify(type == 1);
        if (toggle_LevelRank != null) toggle_LevelRank.SetIsOnWithoutNotify(type == 2);
        if (toggle_CurrDayScroeRank != null) toggle_CurrDayScroeRank.SetIsOnWithoutNotify(type == 3);
    }

    /// <summary>
    /// 加载排行数据
    /// </summary>
    private void LoadRankData(int rankType)
    {
        APIRequestList.GetRanking(new GetRankingParam { type = rankType }, response =>
        {
            if (response == null) return;

            // ---- 排行榜列表 ----
            ClearRankList();

            if (response.userList != null && response.userList.Count > 0)
            {
                for (int i = 0; i < response.userList.Count; i++)
                {
                    var data = response.userList[i];
                    var item = Instantiate(obj_LinePrefab, prefabRankLineItem_parent);

                    var sprite = GameManager.Instance.GetAvatarSprite(data.avatarUrl);
                    var rewards = GetRankRewards(data.rank);

                    item.Init(
                        data.rank,
                        data.nickName ?? data.userName ?? "—",
                        data.level > 0 ? $"Lv.{data.level}" : "—",
                        FormatRankingValue(data.rankingValue),
                        sprite,
                        data.avatarUrl,
                        giftItems: rewards
                    );
                }
            }

            // ---- 我的排行 ----
            if (myobj_Line != null)
            {
                if (response.user != null)
                {
                    var me = response.user;
                    var sprite = GameManager.Instance.GetAvatarSprite(me.avatarUrl);
                    var myRewards = GetRankRewards(me.rank);

                    myobj_Line.gameObject.SetActive(true);
                    myobj_Line.Init(
                        me.rank,
                        me.nickName ?? me.userName ?? "—",
                        me.level > 0 ? $"Lv.{me.level}" : "—",
                        FormatRankingValue(me.rankingValue),
                        sprite,
                        me.avatarUrl,
                        GameManager.Instance.user.BaseInfo.avatarFrame,
                        myRewards
                    );
                }
                else
                {
                    // 当前用户未上榜
                    myobj_Line.gameObject.SetActive(false);
                }
            }
        });
    }

    /// <summary>
    /// 根据排行类型格式化排行数值
    /// </summary>
    private string FormatRankingValue(long value)
    {
        return _currentRankType switch
        {
            1 => FormatGold(value),       // 金币排行
            2 => $"Lv.{value}",           // 等级排行
            3 => FormatGold(value),       // 今日消耗排行
            _ => value.ToString(),
        };
    }

    /// <summary>
    /// 金币数值格式化（万/亿单位）
    /// </summary>
    private static string FormatGold(long gold)
    {
        if (gold >= 100000000)      // 亿
            return $"{(gold / 100000000f):F1}亿";
        if (gold >= 10000)          // 万
            return $"{(gold / 10000f):F1}万";
        return gold.ToString("N0");
    }

    /// <summary>根据排行类型和排名查找奖励道具（服务端gold/diamond在奖励层级而非items里，合成type=1/2条目与items合并显示）</summary>
    private List<GiftConfig> GetRankRewards(int rank)
    {
        if (_rankingRewardConfig == null || !_rankingRewardConfig.isEnabled) return null;
        var group = _rankingRewardConfig.groups?.Find(g => g.rankingType == _currentRankType);
        if (group?.rewards == null) return null;
        var match = group.rewards.Find(r => rank >= r.rankMin && rank <= r.rankMax);
        if (match == null) return null;

        var list = new List<GiftConfig>();
        if (match.gold > 0)
            list.Add(new GiftConfig { type = 1, isRandom = false, count = (int)match.gold });
        if (match.diamond > 0)
            list.Add(new GiftConfig { type = 2, isRandom = false, count = match.diamond });
        if (match.items != null) list.AddRange(match.items);
        return list.Count > 0 ? list : null;
    }

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

    private void OnDestroy()
    {
        // 清理 Toggle 监听避免内存泄漏
        if (toggle_GlodRank != null) toggle_GlodRank.onValueChanged.RemoveAllListeners();
        if (toggle_LevelRank != null) toggle_LevelRank.onValueChanged.RemoveAllListeners();
        if (toggle_CurrDayScroeRank != null) toggle_CurrDayScroeRank.onValueChanged.RemoveAllListeners();
    }
}