/*
 Sog 游戏基础库
 2016 by zouwei
 */

using System;

using Sog;
using Sog.Service;
using Sog.Log;

namespace DB
{
    // 服务器入口
    public class DBServer : IScript
    {
        private Guid m_guid;
        private ServerApp m_app;
        private DBMsgHandler m_messageHandler;

        public DBServer()
        {
            m_guid = Guid.NewGuid();
        }
        public IScriptHotfixCheck GetScriptHotfixCheck()
        {
            return new ServerScriptHotfixCheck();
        }
        private void CommInitOnCreateReload(ServerApp app)
        {
            m_app = app;

            RegisterAllService();
        }

        public virtual void OnCreate(ServerApp app)
        {
            //打印消息统计日志
            app.GetCluster().NeedLogMsgStat = true;
            //多线程特殊需求
            app.GetCluster().EnableMultiThreadSendSafe();

            m_app = app;

            RegisterAllDataObj();

            CommInitOnCreateReload(app);

            TraceLog.Debug("DBServer start at {0}, guid {1}", DateTime.Now, m_guid);
        }

        public virtual void OnHotfix(ServerApp app)
        {
            m_app = app;

			ReadServerConfig();
			CommInitOnCreateReload(app);

            TraceLog.Debug("DBServer hotfix at {0}, guid {1}", DateTime.Now, m_guid);
        }

        public virtual void OnReloadConfig(string excelConfigFile)
        {
            TraceLog.Debug("Server OnReloadConfig at {0}", DateTime.Now);

            ReadServerConfig();
        }


		public virtual void OnTick(long nowMs)
        {
            ServerStat.Instance.Tick(nowMs);
        }

        public virtual void OnMessage(uint remoteAppID, MessageData message)
        {
            m_messageHandler.HandlerMessage(remoteAppID, message);
        }

        public virtual void OnStop()
        {
            //很多服务器停服可以直接退出
            m_app.SetStopSuccess();

            //关闭所有消息处理任务
            MessageTaskDistributor.Instance.CloseAllTask();
        }

        //所有引用对象置空
        public void Dispose()
        {
            TraceLog.Debug("DBServer be disposed");

            m_app = null;
            m_messageHandler = null;

            MessageTaskHandler.DisposeAllHandler();
        }

        private void ReadServerConfig()
        {
            string strLogicServerConfig = m_app.GetCluster().GetAppConfigPath() + "/" + m_app.AppParam.ServerConfig.configfile;
            var oldServerConfig = ServerConfigMgr.Instance.m_serverConfig;
            DBServerConfig serverConfig = ServerConfigMgr.Instance.ReloadServerConfig<DBServerConfig>(m_app,strLogicServerConfig);
            
            if (serverConfig != null && oldServerConfig != null && oldServerConfig is DBServerConfig)
            {
                //数据库切换
                if (string.Compare(((DBServerConfig) oldServerConfig).dbip, serverConfig.dbip) != 0)
                {
                    TraceLog.Debug("ReadServerConfig dbip {0} change to {1}", ((DBServerConfig) oldServerConfig).dbip, serverConfig.dbip);
                    MessageTaskHandler.AfterReloadServerConfigChangeDB(m_app);
                }
            }
        }

        private void RegisterAllDataObj()
        {
            TraceLog.Debug("DBServer RegisterAllDataObj");

            DBServerData dbServerData = new DBServerData(m_app);
            ServerDataObjMgr.Instance.RegisterDataObj(dbServerData);

            //读取配置文件,需要在DBServerData注册之后
            ReadServerConfig();
        }

        private void RegisterAllService()
        {
            TraceLog.Debug("DBServer RegisterAllService");

            MessageTaskHandler.InitAllTaskHandler(m_app);

            m_messageHandler = new DBMsgHandler();
            ServiceMgr.Instance.RegisterService(m_messageHandler);

        }
        
    }
}