using Gameplay;
using Gameplay.Level;
using Gameplay.Net;
using System.Collections.Generic;
using System.Linq;
using cfg.RedPoint;
using Cysharp.Threading.Tasks;
using Framework;
using Framework.Condition;
using Debug = DebugUtil;
using System;
using cfg.LevelCfg;
using static MapData;

/// <summary>
/// 关卡信息
/// </summary>
public class LevelInfo : IRedPointTreeNode
{
    #region 私有字段
    /// <summary>
    /// 关卡数据
    /// </summary>
    private LevelData levelData;
    /// <summary>
    /// 地图数据
    /// </summary>
    private MapData mapData;
    /// <summary>
    /// 服务器关卡数据
    /// </summary>
    private Gameplay.Net.LevelInfo serverData;
    /// <summary>
    /// 章节索引
    /// </summary>
    private int chapterIndex = -1;
    /// <summary>
    /// 关卡索引
    /// </summary>
    private int levelIndex = -1;
    /// <summary>
    /// 解锁条件id
    /// </summary>
    private int unLockConditionId;
    #endregion

    #region config
    /// <summary>
    /// 配置数据
    /// </summary>
    public DataLevel Cfg { get; private set; }

    /// <summary>
    /// 关卡名
    /// </summary>
    public string Name
    { 
        get { return StringManager.Instance.GetLocalizeTextByKey(Cfg.Name); }
    }

    /// <summary>
    /// 关卡描述
    /// </summary>
    public string Desc
    {
        get { return StringManager.Instance.GetLocalizeTextByKey(Cfg.Desc); }
    }

    /// <summary>
    /// 章节序号
    /// </summary>
    public int ChapterIndex
    {
        get
        {
            if (-1 == chapterIndex)
            {
                if (Cfg.Id < 100000)
                {
                    DebugUtil.LogError("关卡id为{0}的关卡id没到6位", Cfg.Id);
                    return 0;
                }

                string resultStr = Cfg.Id.ToString().Substring(1, 2);
                chapterIndex = int.Parse(resultStr);
            }

            return chapterIndex;
        }
    }

    /// <summary>
    /// 关卡序号
    /// </summary>
    public int LevelIndex
    {
        get
        {
            if (-1 == levelIndex)
            {
                if (Cfg.Id < 100000)
                {
                    DebugUtil.LogError("关卡id为{0}的关卡id没到6位", Cfg.Id);
                    return 0;
                }

                string resultStr = Cfg.Id.ToString().Substring(3, 3);
                levelIndex = int.Parse(resultStr);
            }

            return levelIndex;
        }
    }

    /// <summary>
    /// 索引名
    /// </summary>
    public string IndexName
    {
        get { return $"{ChapterIndex}-{LevelIndex}"; }
    }
    #endregion

    #region Data
    /// <summary>
    /// 所属关卡组信息
    /// </summary>
    public LevelGroupInfo GroupInfo
    {
        get 
        {
            if (LevelManager.Instance.TryGetLevelGroupInfoByID(Cfg.LevelGroupID, out LevelGroupInfo levelGroupInfo))
                return levelGroupInfo;

            return null;
        }
    }

    /// <summary>
    /// 所属章节信息
    /// </summary>
    public ChapterInfo ChapterInfo
    {
        get { return GroupInfo?.ChapterInfo; }
    }

    /// <summary>
    /// 环境类型
    /// </summary>
    public EnvironmentType Environment
    {
        get
        {
            if (null == MapData)
                return EnvironmentType.Desert;

            return mapData.environmentType;
        }
    }

    /// <summary>
    /// 是否锁住
    /// </summary>
    public bool IsLock { get; private set; } = true;

    /// <summary>
    /// 能否进入
    /// </summary>
    public bool CanEnter 
    { 
        get { return !IsLock && IsConstEnough(); }
    }

    /// <summary>
    /// 地图数据
    /// </summary>
    public MapData MapData
    {
        get { return mapData ??= MapUtils.LoadMapData(Cfg.MapData); }
    }

    /// <summary>
    /// 关卡数据
    /// </summary>
    public LevelData LevelData
    {
        get { return levelData ??= LevelUtils.LoadLevelData(Cfg.Id); }
    }

    /// <summary>
    /// 是否剧情
    /// </summary>
    public bool IsStory 
    { 
        get { return !string.IsNullOrWhiteSpace(Cfg.StoryID); } 
    }

    /// <summary>
    /// 环境buff描述
    /// </summary>
    public string EnvironmentBuffString
    {
        get
        {
            return CommonUtils.GetLocalizeText(TableManager.Instance.Tables.EnviormentConfig.Get((int)Environment).DescLocal);
        }
    }
    #endregion

    #region 服务器数据
    /// <summary>
    /// 完成的星级或分数
    /// </summary>
    public int Score
    {
        get
        {
            if (null == serverData)
                return 0;

            return ChapterInfo.Cfg.Type switch
            {
                E_ChapterType.War => serverData.Score,
                _ => serverData.StarCount,
            };
        }
    }

    /// <summary>
    /// 最大星级或者分数
    /// </summary>
    public int ScoreMax
    {
        get
        {
            switch (ChapterInfo.Cfg.Type)
            {
                case E_ChapterType.War:
                    {
                        int total = 0;

                        if (null == levelData)
                            return total;

                        foreach (ConditionModifier conditionModifier in levelData.scoreTarget)
                        {
                            total += conditionModifier.score;
                        }

                        return total;
                    }
                default:
                    return (int)NLDPB.GlobalDefine.MaxLevelStar;
            }
        }
    }

    /// <summary>
    /// 关卡评级
    /// </summary>
    public E_WarRating WarRating
    {
        get { return LevelUtils.GetWarLevelRatingByLevelInfo(this); }
    }

    /// <summary>
    /// 星级达成结果
    /// </summary>
    public bool[] StarResult
    {
        get
        {
            if (null == serverData)
                return new bool[(int)NLDPB.GlobalDefine.MaxLevelStar];

            return serverData.star.Select(s => s > 0).ToArray();
        }
    }

    /// <summary>
    /// 是否通关
    /// </summary>
    public bool IsPass
    {
        get
        {
            if (null == serverData)
                return false;

            return serverData.isPassed;
        }
    }

    /// <summary>
    /// 红点
    /// </summary>
    public RedPointNode RedPoint { get; private set; }
    #endregion

    public LevelInfo(DataLevel config)
    {
        Cfg = config;
        IsLock = true;
        RefreshServerData(true);
    }

    #region API
    /// <summary>
    /// 获取解锁条件文本
    /// </summary>
    /// <returns></returns>
    public string GetUnlockLocalizationText()
    {
        if (Cfg.Unlock.Length > 0)
            return ConditionManager.Instance.GetConditionLocalization(Cfg.Unlock[0]);
        else
            return null;
    }

    /// <summary>
    /// 获得星级目标的文本
    /// </summary>
    /// <param name="targetIndex"></param>
    /// <returns></returns>
    public string GetStarTargetLocalizationText(int targetIndex)
    {
        List<ConditionModifier> starTarget = LevelData.starTarget;
        if (targetIndex < 0 || targetIndex >= starTarget.Count)
            return null;

        return starTarget[targetIndex].GetConditionLocalization();
    }

    /// <summary>
    /// 刷新服务器数据
    /// </summary>
    /// <param name="isReset"></param>
    public void RefreshServerData(bool isReset)
    {
        serverData = Actor.Instance.Level.GetLevelInfo((uint)Cfg.Id);
        if (isReset)
        {
            IsLock = true;
            AddLockConditionReaction();
        }
    }
    #endregion

    #region 私有方法
    /// <summary>
    /// 体力是否足够
    /// </summary>
    /// <returns></returns>
    private bool IsConstEnough()
    {
        if (null == Cfg.CostItems || Cfg.CostItems.Count <= 0)
            return true;

        bool result = true;
        foreach (cfg.item.ItemCounts costItem in Cfg.CostItems)
        {
            int currCount = (int)Actor.Instance.Item.GetItemCount(costItem.Id);
            result &= currCount >= costItem.Count;
            if (!result)
            {
                Debug.LogError($"关卡消耗品不足，level id:{Cfg.Id}");
                break;
            }
        }

        return result;
    }

    /// <summary>
    /// 构造红点树
    /// </summary>
    /// <param name="parent"></param>
    public void ConstructRedPointTree(RedPointNode parent)
    {
        RedPoint = RedPointManager.Instance.AddDynamicNode(NodeType.Level, parent, Cfg.Id);
    }

    /// <summary>
    /// 添加注册解锁条件
    /// </summary>
    private void AddLockConditionReaction()
    {
        ConditionReactor.Instance.RemoveReaction(unLockConditionId);
        unLockConditionId = ConditionReactor.Instance.AddReaction(Cfg.Unlock, OnUnlockConditionChanged);
    }

    /// <summary>
    /// 解锁回调
    /// </summary>
    /// <param name="result"></param>
    /// <param name="callBackParam"></param>
    /// <param name="reactionID"></param>
    private void OnUnlockConditionChanged(bool result, object callBackParam, int reactionID)
    {
        if (result)
        {
            IsLock = false;
            DebugUtil.Log($"关卡未解锁,id:{Cfg.Id}");
            EventManager.Instance.Send(EventManager.EventName.LevelUnlock, Cfg.Id);
            ConditionReactor.Instance.RemoveReaction(reactionID);
        }
    }

    public void ConstructRedPointTree(int parentID)
    {
        throw new NotImplementedException();
    }
    #endregion
}

/// <summary>
/// 战役评级
/// </summary>
public enum E_WarRating
{
    C = 0,
    B = 1,
    A = 2,
    S = 3
}