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

using Sog;
using Sog.Service;
using ProtoCSStruct;


namespace GameDB
{
    //每个Task需要一个Handler，一个Handler一个DBOperator
    public class MessageTaskHandler
    {
        /// <summary>
        /// 不要修改这个数量，除非你真的搞明白了db的多工作线程和db多进程的关系!!
        /// </summary>
        public const int GameDBWorkThreadCount = 10;

        private GameDBOperator m_dbOperator;

        private GameDBOperator m_oldDBOperator;

        private long m_lastKeepMysqlConnTimeSecond;

        //自管理
        private static MessageTaskHandler[] m_allTaskHandler;

        public static void InitAllTaskHandler(ServerApp app)
        {
            //分配消息任务,线程数量
            uint iTaskCount = (uint) GameDBWorkThreadCount;

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

            MessageTaskDistributor.Instance.InitTask(iTaskCount, app);

            GameDBServerConfig serverConfig = GameDBServerUtils.GetServerConfig();

            GameDBServerUtils.ParseDBConfig(app, out int dbtype, out string dbname, out string dbip);

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

                switch (dbtype)
                {
                    case 0:
                        m_allTaskHandler[i].m_dbOperator = new MysqlGameDBOperator(dbname, dbip
                            , serverConfig.dbuser, serverConfig.dbpassword);
                        break;
                    case 2:
                        m_allTaskHandler[i].m_dbOperator = new RedisGameDBOperator(dbname, dbip
                            , serverConfig.dbuser, serverConfig.dbpassword);
                        break;
                    default:
                        TraceLog.Error("MessageTaskHandler.InitAllTaskHandler invalid dbtype {0}", dbtype);
                        break;
                }

                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_dbOperator.Dispose();
                m_allTaskHandler[i].m_dbOperator = null;
            }

            m_allTaskHandler = null;
        }

        public static void AfterReloadServerConfigChangeDB(ServerApp app)
        {
            GameDBServerConfig serverConfig = GameDBServerUtils.GetServerConfig();

            GameDBServerUtils.ParseDBConfig(app, out int dbtype, out string dbname, out string dbip);

            for (int i = 0; i < m_allTaskHandler.Length; i++)
            {
                m_allTaskHandler[i].m_oldDBOperator = m_allTaskHandler[i].m_dbOperator;
                m_allTaskHandler[i].m_lastKeepMysqlConnTimeSecond = AppTime.GetNowSysSecond();

                switch (dbtype)
                {
                    case 0:
                        m_allTaskHandler[i].m_dbOperator = new MysqlGameDBOperator(dbname, dbip
                            , serverConfig.dbuser, serverConfig.dbpassword);
                        break;
                    case 2:
                        m_allTaskHandler[i].m_dbOperator = new RedisGameDBOperator(dbname, dbip
                            , serverConfig.dbuser, serverConfig.dbpassword);
                        break;
                    default:
                        TraceLog.Error("MessageTaskHandler.AfterReloadServerConfigChangeDB invalid dbtype {0}", dbtype);
                        break;
                }
            }
        }

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

            if (m_oldDBOperator != null)
            {
                m_oldDBOperator.Dispose();
                m_oldDBOperator = null;
            }

            m_lastKeepMysqlConnTimeSecond = AppTime.GetNowSysSecond();

            m_dbOperator.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) SSGameMsgID.QueryRoleDbReq:
                    RoleOp.OnQueryRoleReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.SaveRoleReq:
                    RoleOp.OnSaveRoleReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.FirebaseidSaveDbReq:
                    RoleOp.OnFirebaseidSaveDbReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.FirebaseidQueryDbReq:
                    RoleOp.OnFirebaseidQueryDbReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.GmSetFreezeTime:
                    RoleOp.OnSetFreezeTime(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.EnableSendMsgReq:
                    RoleOp.OnHandleEnableMsg(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.GmQueryUserRoleReq:
                    RoleOp.OnGMQueryRoleReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.OperationCostItemReq:
                    RoleOp.OnCostBagItem(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.OperationUpdateTaskReq:
                    RoleOp.OnDoneTask(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.GmUpdateUserRoleReq:
                    RoleOp.OnGmUpdateRoleData(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.GmImportUserRoleReq:
                    RoleOp.OnGmImportRoleData(remoteAppID, packet, m_dbOperator);
                    break;
                //rank
                case (int) SSGameMsgID.QueryRankDbReq:
                    RankOp.OnQueryRankReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.SaveRankDbReq:
                    RankOp.OnSaveRankReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.QueryActRankDbReq:
                    RankOp.OnQueryActRankDbReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.SaveActRankDataReq:
                    RankOp.OnSaveActRankDataReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.PlayerQueryOfflineRoleReq:
                    RoleOp.OnPlayerQueryOfflineRoleReq(remoteAppID, packet, m_dbOperator);
                    break;

                case (int) SSGameMsgID.PlayerSearchRoledbBynameReq:
                    RoleOp.OnPlayerSearchRoledbBynameReq(remoteAppID, packet, m_dbOperator);
                    break;

             
                case (int) SSGameMsgID.QueryBattleReplayDbReq:
                    MainlandRecordOp.OnQueryBattleReplayDbReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.SaveBattleReplayDbReq:
                    MainlandRecordOp.OnSaveBattleReplayDbReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int)SSGameMsgID.DeleteBattleReplayDbReq:
                    MainlandRecordOp.OnDeleteBattleReplayDbReq(remoteAppID, packet, m_dbOperator);
                    break;

                //friend
                case (int) SSGameMsgID.QueryFriendListReq:
                    FriendDBOp.OnQueryFriendListReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.QueryFriendInfoCacheReq:
                    FriendDBOp.OnQueryFriendInfoCacheReq(remoteAppID, packet, m_dbOperator);
                    break;
                case (int) SSGameMsgID.SaveFriendListReq:
                    FriendDBOp.OnSaveFriendListReq(remoteAppID, packet, m_dbOperator);
                    break;
                //全局数据
                case (int) SSGameMsgID.WorldglobaldataDbOpReq:
                    WorldglobaldataDbOp.OnWorldglobaldataDbOpReq(remoteAppID, packet, m_dbOperator);
                    break;
                default:
                    TraceLog.Error("GameDBMsgHandler unknow MsgID {0}", packet.MsgID);
                    break;
            }
        }


    }
}