using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

using Sog;
using ProtoCSStruct;


namespace Game
{
    public static class StatisticsOp
    {
        public static bool IDIsValid(int id)
        {
            if(id > (int)CSRoleStatisticsID.None && id < (int)CSRoleStatisticsID.MaxID)
            {
                return true;
            }

            return false;
        }


        /// <summary>
        /// 排行榜奖励统计在老服可能存在已经领取完情况，做下特殊处理
        /// </summary>
        /// <param name="player"></param>
        public static void OnPlayerOnline(PlayerOnGame player)
        {
            long value = 0; //GetIDTotal(player, (int) CSRoleStatisticsID.RankAward);
            if (value > 0) //已经有值的就不管了
            {
                return;
            }

            int count = player.RoleData.RankData.HaveAwardRankList.Count;
            if (count == 0)
            {
                return;
            }

            RoleStatChgOp statChgOp = new RoleStatChgOp(player);
            //statChgOp.AddIDDaily((int) CSRoleStatisticsID.RankAward, count);
            statChgOp.NotifyClient();
        }


        //数据库数据加载后需要初始化
        internal static void OnDBDataLoaded(PlayerOnGame player)
        {
            player.Trace("StatisticsOp.OnDBDataLoaded uid {0} begin", player.UserID);

            ref DBStatisticsData statData = ref player.RoleData.StatData;

            //补齐字段，也许新加了
            for(int i=1; i < (int)CSRoleStatisticsID.MaxID; i++)
            {
                TryAddID(ref statData.Daily, i);
                TryAddID(ref statData.Total, i);
            }

            player.MakeDirty();

            player.Trace("StatisticsOp.OnDBDataLoaded uid {0} print stat:", player.UserID);
            player.Trace("StatisticsOp.OnDBDataLoaded daily stat:{0}", statData.Daily.ToString());
            player.Trace("StatisticsOp.OnDBDataLoaded total stat:{0}", statData.Total.ToString());
        }

        private static void TryAddID(ref RepeatedDBIDValue_64 idvalues, int id)
        {
            //先判断是否存在
            for(int i=0; i < idvalues.Count; i++)
            {
                if(idvalues[i].Id == id)
                {
                    return;
                }
            }


            DBIDValue newIDValue = new DBIDValue();
            newIDValue.Id = id;
            newIDValue.Value = 0;

            idvalues.Add(ref newIDValue);

            TraceLog.Trace("StatisticsOp.TryAddID add id {0} to player", id);
        }

        internal static void TickDailyReset(PlayerOnGame player, bool notifyClient)
        {
            ref DBStatisticsData statData = ref player.RoleData.StatData;
            //判断时间，是否需要重置
            long now = GameServerUtils.GetTimeSecond();
            if (AppTime.IsSameDay(now, player.RoleData.StatData.LastDailyTime))
            {
                return;
            }
            bool needWeeklyRefresh = false;
            if(AppTime.IsSameWeek127(now,statData.Weekly.LastWeeklyTime) == false)
            {
                player.Trace("StatisticsOp.TickDailyReset uid {0}, not same week lasttime {1} now {2}, reset week stat"
                    , player.UserID, statData.Weekly.LastWeeklyTime, now);

                statData.Weekly.LastWeeklyTime = now;

                //不同周了，数据重置
                statData.Weekly.WinChip = 0;
                statData.Weekly.ShareFBSignAddDiamond = 0;
                statData.Weekly.ReceiveFriendGift = 0;

                needWeeklyRefresh = true;
                //派发周刷新事件
                //GameServerUtils.GetEventHandlerMgr().TriggerNewWeeklyStart(player, notifyClient);
            }


            player.Trace("StatisticsOp.TickDailyReset uid {0}, not same day lasttime {1} now {2}, reset daily stat"
                , player.UserID, statData.LastDailyTime, now);

            //这个调用在数据重置之前调用，有些今天的数据会被用到
            GameServerUtils.GetEventHandlerMgr().TriggerNewDayStart(player, notifyClient);

            //为了使新手BP添加任务在每日刷新之后，将每周刷新放在日刷新之后
            if (needWeeklyRefresh)
            {
                //派发周刷新事件
                //GameServerUtils.GetEventHandlerMgr().TriggerNewWeeklyStart(player, notifyClient);
            }

            statData.LastDailyTime = now;

            RoleStatChgOp statChgOp = new RoleStatChgOp(player);

            //这个要在重置前取值
            //int lastDayBrokenCount = (int)GetIDDaily(player, (int)CSRoleStatisticsID.BrokeGrantsCount);

            for(int i=0; i<statData.Daily.Count; i++)
            {
                ref var idvalue = ref statData.Daily[i];
                if (idvalue.Value != 0)
                {
                    if (notifyClient)
                    {
                        statChgOp.SetIDDaily(idvalue.Id, 0);
                    }
                    else//直接改
                    {
                        idvalue.Value = 0;
                    }
                }
            }



            if(notifyClient)
            {
                statChgOp.NotifyClient(true);
            }


            //PlayerNotify.NotifySimpleRoleDataToWorld(player);
        }

        ////////////////////////////////////////////////////////////////////////
        public static long GetIDDaily(PlayerOnGame player, int id)
        {
            if(!IDIsValid(id))
            {
                player.Error("StatisticsOp.GetIDDaily invalid id {0} uid {1}"
                    , id, player.UserID);
                return 0;
            }

            ref DBStatisticsData statData = ref player.RoleData.StatData;
            for (int i = 0; i < statData.Daily.Count; i++)
            {
                ref var idvalue = ref statData.Daily[i];
                if (idvalue.Id == id)
                {
                    return idvalue.Value;
                }
            }

            player.Error("StatisticsOp.GetIDDaily can not find id {0} uid {1}"
                , id, player.UserID);
            return 0;
        }

        
        /// <summary>
        /// 
        /// </summary>
        /// <param name="player"></param>
        /// <param name="id"></param>
        /// <param name="value"></param>
        /// <returns>成功返回true，没变化返回false</returns>
        internal static bool SetIDDaily_DontCall(PlayerOnGame player, int id, long value)
        {
            if (!IDIsValid(id))
            {
                player.Error("StatisticsOp.SetIDDaily_DontCall invalid id {0} uid {1}"
                    , id, player.UserID);
                return false;
            }

            ref DBStatisticsData statData = ref player.RoleData.StatData;
            for (int i = 0; i < statData.Daily.Count; i++)
            {
                ref var idvalue = ref statData.Daily[i];
                if (idvalue.Id == id)
                {
                    if (idvalue.Value == value)
                    {
                        return false;
                    }
                    else
                    {
                        long oldValue = idvalue.Value;
                        long chgValue = value - oldValue;

                        idvalue.Value = value;

                        player.Trace("StatisticsOp.SetIDDaily_DontCall uid {0} id {1} new value {2}"
                            , player.UserID, id, value);

                        player.Trace("StatisticsOp.SetIDDaily_DontCall uid {0}, TriggerDailyStatisticsChanged event"
                            , player.UserID);
                        GameServerUtils.GetEventHandlerMgr().TriggerDailyStatisticsChanged(player, id, value, chgValue);

                        player.MakeDirty();

                        return true;
                    }
                }
            }

            player.Error("StatisticsOp.SetIDDaily_DontCall can not find id {0} uid {1}", id, player.UserID);

            return false;
        }

        /// <summary>
        /// 不要直接调用
        /// </summary>
        internal static long AddIDDaily_DontCall(PlayerOnGame player, int id, long value)
        {
            long oldValue = GetIDDaily(player, id);
            long newValue = oldValue + value;
            SetIDDaily_DontCall(player, id, newValue);
            return newValue;
        }

        ////////////////////////////////////////////////////////////////////////
        public static long GetIDTotal(PlayerOnGame player, int id)
        {
            if (!IDIsValid(id))
            {
                player.Error("StatisticsOp.GetIDTotal invalid id {0} uid {1}", id, player.UserID);
                return 0;
            }

            ref DBStatisticsData statData = ref player.RoleData.StatData;
            for (int i = 0; i < statData.Total.Count; i++)
            {
                ref var idvalue = ref statData.Total[i];
                if (idvalue.Id == id)
                {
                    return idvalue.Value;
                }
            }

            player.Error("StatisticsOp.GetIDTotal can not find id {0} uid {1}", id, player.UserID);

            return 0;
        }


        public static void OnlySetIDTotal(PlayerOnGame player, int id, long value)
        {
            SetIDTotal_DontCall(player, id, value, false);
        }
        /// <summary>
        /// 不要直接调用
        /// </summary>
        internal static bool SetIDTotal_DontCall(PlayerOnGame player, int id, long value, bool triggerEvent = true)
        {
            if (!IDIsValid(id))
            {
                player.Error("StatisticsOp.SetIDTotal_DontCall invalid id {0} uid {1}", id, player.UserID);
                return false;
            }

            try
            {
                ref DBStatisticsData statData = ref player.RoleData.StatData;
                for (int i = 0; i < statData.Total.Count; i++)
                {
                    ref var idvalue = ref statData.Total[i];
                    if (idvalue.Id == id)
                    {
                        if (idvalue.Value == value)
                        {
                            return false;
                        }

                        long oldValue = idvalue.Value;
                        long chgValue = value - oldValue;
                        idvalue.Value = value;

                        player.TraceDetail("StatisticsOp.SetIDTotal_DontCall uid {0} statId {1} chg {2} new {3}"
                            , player.UserID, id, chgValue, value);

                        if(triggerEvent)
                            GameServerUtils.GetEventHandlerMgr().TriggerTotalStatisticsChanged(player, id, value, chgValue);

                        player.MakeDirty();
                        return true;
                    }
                }
            }
            catch (Exception e)
            {
                TraceLog.Exception(e);
            }

            player.Error("StatisticsOp.SetIDTotal_DontCall can not find id {0} uid {1}", id, player.UserID);
            return false;
        }

        /// <summary>
        /// 不要直接调用
        /// </summary>
        internal static long AddIDTotal_DontCall(PlayerOnGame player, int id, long value)
        {
            long oldValue = GetIDTotal(player, id);
            long newValue = oldValue + value;
            SetIDTotal_DontCall(player, id, newValue);
            return newValue;
        }
    }
}