using Sog;
using ProtoCSStruct;
using System.Runtime.ConstrainedExecution;
using Sog.Log;
using Sog.Service;

namespace Mail
{
    public class PlayerMailVerSeqSvc
    {
        public static long GetPlayerMailVerSeq(PlayerInfoMail playerInfo)
        {
            if(!playerInfo.isQueryMailVer)
            {
                return long.MaxValue;
            }

            return playerInfo.lastMailVer;
        }



        public static void Tick(long nowMs)
        {
            var data = MailServerUtils.GetMailServerData();
            var players = data.m_playerTable;
            int count = 0;
            foreach(var player in players.Values)
            {
               if(SaveMailVer(player, nowMs))
               {
                    count++;
               }

               if(count > 1000)
               {
                    break;
               }
            }
        }

        public static bool IsCanStop()
        {
            var data = MailServerUtils.GetMailServerData();
            var players = data.m_playerTable;
            foreach (var player in players.Values)
            {
                if(player.IsDirty())
                {
                    TraceLog.Debug("PlayerMailVerSeqSvc.IsCanStop false player {0} IsDirty", player.UserID);
                    return false;
                }
            }

            return true;
        }

        public static void SetPlayerVerSeq(PlayerInfoMail player, long ver)
        {
            if (player.lastMailVer < ver)
            {
                player.lastMailVer = ver;
                player.MakeDirty();
                TraceLog.Debug("PlayerMailVerSeqSvc.SetPlayerVerSeq uid {0} ver {1}", player.UserID, ver);
            }
        }

        
        public static bool SaveMailVer(PlayerInfoMail player, long nowMs)
        {
            if(!player.CanDoSaveReqNow(nowMs))
            {
                return false;
            }
            
            var iTaskIndex = (int)(player.UserID % MessageTaskHandler.MailDBWorkThreadCount);
            //构建消息
            StructPacket packet = new StructPacket();
            packet.Header.Type = (int)SSGameMsgID.MailOpReq;
            packet.Header.ObjectID = player.UserID;

            StructMessageParser<SSMailOpReq> parser = new StructMessageParser<SSMailOpReq>();
            packet.Parser = parser;

            ref SSMailOpReq req = ref parser.GetMessage();
            req.OpType = (int)MailOpType.MailVerChange;
            req.ClientOpUid = player.UserID;//这里需要，否则通知不到玩家客户端
            req.AckGameServerID = player.GameServerID;
            req.UniqueID = WaitAckStructRequestSender.Instance.GeneratorUniqueID();
            req.Mail.Uid = player.UserID;//先拷贝一份
            req.Mail.InsertUniqueID = req.UniqueID;
            req.MailVerSeq = player.lastMailVer;
            req.Seq = player.DataSeq;
            player.OnSaveReq(nowMs);
            //分派消息
            MessageTaskDistributor.Instance.Distribute(MailServerUtils.GetAppID(), packet, iTaskIndex);


            TraceLog.Debug("PlayerMailVerSeqSvc.SaveMailVer uniqueId {0}  uid {1}", req.UniqueID,  player.UserID);
            return true;
            
        }
        
        public static void SendQueryMailVer(PlayerInfoMail player)
        {
           

            var iTaskIndex = (int)(player.UserID % MessageTaskHandler.MailDBWorkThreadCount);
            //构建消息
            StructPacket packet = new StructPacket();
            packet.Header.Type = (int)SSGameMsgID.QueryMailVersionReq;
            packet.Header.ObjectID = player.UserID;

            StructMessageParser<SSQueryMailVersionReq> parser = new StructMessageParser<SSQueryMailVersionReq>();
            packet.Parser = parser;

            ref var req = ref parser.GetMessage();
            req.Uid = player.UserID;
            //分派消息
            MessageTaskDistributor.Instance.Distribute(MailServerUtils.GetAppID(), packet, iTaskIndex);


            TraceLog.Debug("PlayerMailVerSeqSvc.SendQueryMailVer  uid {0}", player.UserID);
           
        }
    }
}