using System.Linq;
using Sog;
using ProtoCSStruct;

namespace Game
{
    public static class LevelUtils
    {
        // 临时代码, 兼容老接口
        public static void AddExp(PlayerOnGame player, int exp, string reason)
        {
            AddExp(player, ref player.RoleData.Knight.DbHero, exp);
        }

        // 增加经验请调用上面的AddExp接口
        private static void AddExp(PlayerOnGame player, ref DBHero dbHero, int exp)
        {
            if (exp < 0)
            {
                return;
            }

            var r = MonthlyCardSvc.GetMonthlyCardBuff(player, MonthlyCardBuffId.ExpGetUp);
            exp += (exp * r / 10000);

            TraceLog.Trace("LevelUtils.AddExp uid {0} hero {1} old level {2} old exp {3} addExp {4}"
                , player.UserID, dbHero.DescId, dbHero.Level, dbHero.Exp, exp);

            bool isDirty = false;
            bool isLvUp = false;
            var maxLevelDesc = LevelDescMgr.Instance.ItemTable.Last().Value;

            var maxLevel =  maxLevelDesc.level;

            if(dbHero.Level >= maxLevel)
            {
                return;
            }

            var desc = LevelDescMgr.Instance.GetConfig(dbHero.Level);
            if (desc == null)
            {
                TraceLog.Error("LevelUtils.AddExp get LevelDesc is null! id:{0}", dbHero.Level);
                return;
            }

            dbHero.Exp += exp;
            while (dbHero.Exp >= desc.levelUpExp && dbHero.Level < maxLevel)
            {
                
                dbHero.Exp -= desc.levelUpExp;

                if (dbHero.Level >= maxLevelDesc.level)
                {
                    dbHero.Exp = maxLevelDesc.levelUpExp;
                    break;
                }

                dbHero.Level += 1;
                BattlePassSvc.AddPoint(player, ReasonType.Level, 1);
                // 兼容下老代码, 设置rolebase的等级
                player.RoleBase.Level = dbHero.Level;

                GameServerUtils.GetEventHandlerMgr().TriggerPlayerAddLevel(player);

                isDirty = true;
                isLvUp = true;

                GameBillLogUtils.LogAddLevel(player.UserID, LevelType.RoleLevel, dbHero.Level);

                // 升级付出的时间, 注意不是在线时长
                long time = player.RoleData.OtherData.OnlineExpAllTime + GameServerUtils.GetTimeSecond() - player.RoleData.OtherData.OnlineExpStartTime;
                player.RoleData.OtherData.OnlineExpStartTime = GameServerUtils.GetTimeSecond();
                player.RoleData.OtherData.OnlineExpAllTime = 0;
                GameBDCLogUtils.ExpChange(player, (int)LevelType.RoleLevel, dbHero.Level - 1, dbHero.Level, (int)time);
                PopPackageSvc.TriggerPopPackage(player,PackPopType.Level);

                PlayerNotify.NotifyPlayerShowInfoChange(player);
                desc = LevelDescMgr.Instance.GetConfig(dbHero.Level);
                if (desc == null) break;
            }
            if (isLvUp)
            {
                TraceLog.Trace("LevelUtils.AddExp uid {0} hero {1} new level {2} new exp {3}"
                    , player.UserID, dbHero.DescId, dbHero.Level, dbHero.Exp);
            }
            SyncHeroLevel(player, ref dbHero);
            player.RoleBase.Exp = dbHero.Exp;
            player.RoleBase.Level = dbHero.Level;
            if (isDirty)
            {
                player.MakeDirty();
            }
        }

        public static void AddLevel(this PlayerOnGame player, int level)
        {
            if (level < 0)
            {
                SubLevel(player, level);
                return;
            }

            while ((level--) > 0)
            {
                Add1Level(player);
            }
        }

        public static void Add1Level(PlayerOnGame player)
        {
            ref var dbHero = ref player.RoleData.Knight.DbHero;
            var desc = LevelDescMgr.Instance.GetConfig(dbHero.Level);
            if (desc == null)
            {
                return;
            }

            AddExp(player, desc.levelUpExp - dbHero.Exp, "Add1Level");
        }

        public static void SubLevel(PlayerOnGame player, int level)
        {
            ref var dbHero = ref player.RoleData.Knight.DbHero;
            if (dbHero.Level <= level)
            {
                dbHero.Level = 1;
            }
            else
            {
                dbHero.Level -= level;
            }

            dbHero.Exp = 0;
            player.MakeDirty();

            SyncHeroLevel(player, ref dbHero);
        }

        public static void SyncHeroLevel(PlayerOnGame player, ref DBHero dbHero)
        {
            var info = new CSSyncLevelInfo { LevelType = LevelType.RoleLevel, Level = dbHero.Level, Exp = dbHero.Exp };
            player.SendToClient((int)CSGameMsgID.SyncLevelInfo, ref info);
        }

        public static void SyncVipLevel(PlayerOnGame player)
        {
            var info = new CSSyncLevelInfo { LevelType = LevelType.VipLevel, Level = player.GetVipLevel(), Exp = player.GetVipExp() };
            player.SendToClient((int)CSGameMsgID.SyncLevelInfo, ref info);
        }
    }
}