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

using Sog;
using Sog.Service;
using ProtoCSStruct;


namespace Name
{
    //每个Task需要一个Handler，一个Handler一个DBOperator
    public class MessageTaskHandler
    {
        private NameOperator m_nameOperator;

        private long m_lastKeepMysqlConnTimeSecond;

        //自管理
        private static MessageTaskHandler[] m_allTaskHandler;

        public static void InitAllTaskHandler()
        {
            //分配消息任务,线程数量=表的数量，免得冲突
            uint iTaskCount = (uint)NameUtils.DBServerWorkThreadCount;

            TraceLog.Debug("MessageTaskHandler.InitAllHandler messageTaskCount is {0}", iTaskCount);

            MessageTaskDistributor.Instance.InitTask(iTaskCount);


            //配置文件
            NameServerConfig serverConfig = NameServerUtils.GetServerConfig();
            m_allTaskHandler = new MessageTaskHandler[iTaskCount];

            for (int i = 0; i < m_allTaskHandler.Length; i++)
            {
                m_allTaskHandler[i] = new MessageTaskHandler();

                m_allTaskHandler[i].m_nameOperator = new NameOperator(serverConfig.dbname, serverConfig.dbip
                    , serverConfig.dbuser, serverConfig.dbpassword);

                MessageTaskObj taskObj = MessageTaskDistributor.Instance.GetTaskByIndex(i);
                taskObj.Handler = m_allTaskHandler[i].HandlerPacket;
                taskObj.IdleTick = m_allTaskHandler[i].OnIdleTick;
            }

            MessageTaskDistributor.Instance.StartAllTask();
        }


        public static void DisposeAllHandler()
        {
            //关闭所有消息处理任务
            MessageTaskDistributor.Instance.CloseAllTask();

            if (m_allTaskHandler == null)
            {
                return;
            }

            //销毁数据库连接，销毁对象
            for (int i = 0; i < m_allTaskHandler.Length; i++)
            {
                m_allTaskHandler[i].m_nameOperator.Dispose();
                m_allTaskHandler[i].m_nameOperator = null;
            }

            m_allTaskHandler = null;
        }

        public void OnIdleTick(long idleSecond)
        {
            //5分钟保持连接一次
            if(AppTime.GetNowSysSecond() - m_lastKeepMysqlConnTimeSecond < 300)
            {
                return;
            }

            m_lastKeepMysqlConnTimeSecond = AppTime.GetNowSysSecond();

            m_nameOperator.KeepAlive();
        }

        public void HandlerPacket(uint remoteAppID, StructPacket packet)
        {
            //去掉这里的时间重置逻辑，如果下面实际处理逻辑里没有进行sql查询就返回会造成KeepAlive不执行
            //m_lastKeepMysqlConnTimeSecond = AppTime.GetNowSysSecond();

            switch (packet.MsgID)
            {
                case (int)SSMsgID.NameQueryReq:
                    OnQueryNameDBReq(remoteAppID, packet);
                    break;
                case (int)SSMsgID.NameInsertReq:
                    OnInsertNameDBReq(remoteAppID, packet);
                    break;
                default:
                    TraceLog.Error("MessageTaskHandler unknow MsgID {0}", packet.MsgID);
                    break;

            }
        }
        
        //角色新创建的时候，检查角色名称是否已经存在
        /// <summary>
        /// 
        /// </summary>
        /// <param name="remoteAppID"></param>
        /// <param name="packet"></param>
        private void OnQueryNameDBReq(uint remoteAppID, StructPacket packet)
        {
            ref SSNameQueryReq nameQueryReq = ref packet.GetMessage<SSNameQueryReq>();

            string strName = nameQueryReq.StrName.GetString();

            string hashName = HashHelper.SHA1String(strName+"_"+nameQueryReq.RealmId);

            string accountID = nameQueryReq.AccountID.GetString();

            SSNameQueryRes nameQueryRes = new SSNameQueryRes();
            nameQueryRes.PlayerSessionID = nameQueryReq.PlayerSessionID;
            nameQueryRes.StrName.SetString(strName);
            nameQueryRes.HashName.SetString(hashName);
            nameQueryRes.AccountID.SetString(accountID);
            nameQueryRes.CreateIfNotExist = nameQueryReq.CreateIfNotExist;
            nameQueryRes.RealmId = nameQueryReq.RealmId;
            TraceLog.Debug("OnQueryNameDBReq strName {0} hashName {1} accountID {2}", strName, hashName, accountID);

            tbName tbName = m_nameOperator.QueryName(hashName, nameQueryReq.RealmId);

            if (tbName != null)
            {
                nameQueryRes.Count = 1;
                TraceLog.Debug("query success, hashName is {0}", hashName);

                nameQueryRes.Ret = 1;//存在
            }
            else if(nameQueryReq.CreateIfNotExist)//自动创建角色
            {
                //没有记录，则创建,大部分手游只有一个玩家角色信息（棋牌，卡牌，竞技游戏等等），直接创建user
                TraceLog.Debug("no record, create it ");

                //int accountTableIndex = TableIndexCalc.CalcNameTableIndex(0, hashName);

                bool bSuccess = m_nameOperator.InsertName(
                    hashName
                    ,strName
                    , accountID
                    , nameQueryReq.RealmId
                    );
                if (!bSuccess)
                {
                    nameQueryRes.Ret = -1;
                    //queryAccountDbReq.GameId = 0;
                }
                else
                {
                    //queryAccountDbReq.GameId = gameId;
                    nameQueryRes.Ret = 0;//不存在，自动创建
                }
            }
            else
            {
                TraceLog.Debug("OnQueryNameDBReq strName {0} hashName {1} not exist, config.CreateIfNotExist is false! "
                    , strName, hashName);
                nameQueryRes.Ret = 0;//不存在
            }

            NameServerUtils.GetPacketSender().SendToServerByID(remoteAppID,
                (int)SSMsgID.NameQueryRes, ref nameQueryRes, packet.ObjectID);
        }
        private void OnInsertNameDBReq(uint remoteAppID, StructPacket packet)
        {
            //ref SSNameInsertReq nameInsertReq = ref packet.GetMessage<SSNameInsertReq>();

            //string strName = nameInsertReq.StrName.GetString();

            //string hashName = HashHelper.SHA1String(strName);

            //string accountID = nameInsertReq.AccountID.GetString();

            //SSNameInsertRes nameInsertRes = new SSNameInsertRes();
            //nameInsertRes.StrName.SetString(strName);
            //nameInsertRes.HashName.SetString(hashName);
            //nameInsertRes.AccountID.SetString(accountID);
            
            //TraceLog.Debug("OnInsertNameDBReq strName {0} hashName {1} accountID {2}", strName, hashName, accountID);

            //tbName tbName = m_nameOperator.QueryName(hashName);

            //if (tbName != null)
            //{
            //    nameInsertRes.Ret = -1;
            //    TraceLog.Debug("query success, hashName is {0}", hashName);
            //}
            //else //自动创建角色
            //{
            //    //没有记录，则创建,大部分手游只有一个玩家角色信息（棋牌，卡牌，竞技游戏等等），直接创建user
            //    TraceLog.Debug("OnInsertNameDBReq no record, create it ");

            //    int accountTableIndex = TableIndexCalc.CalcNameTableIndex(0, hashName);

            //    bool bSuccess = m_nameOperator.InsertName(
            //        hashName
            //        , strName
            //        , accountID
            //        );
            //    if (!bSuccess)
            //    {
            //        nameInsertRes.Ret = -1;
            //        //queryAccountDbReq.GameId = 0;
            //    }
            //    else
            //    {
            //        //queryAccountDbReq.GameId = gameId;
            //    }
            //}

            //NameServerUtils.GetPacketSender().SendToServerByID(remoteAppID,
            //    (int)SSMsgID.NameInsertRes, ref nameInsertRes, packet.ObjectID);
        }
    }
}