#include "Client_cfd.h"
#include "pub_sysinfo_api/SysInfoApi.h"
#include "pub_utility_api/SingleProcInstance.h"
#include "boost/program_options.hpp"

namespace cfd_Server{
client_cfd::client_cfd()
{
    p_manger = NULL;
}

client_cfd::~client_cfd()
{
    stop();
    kbd_public::StopLogSystem();
}

bool client_cfd::start(int argc, char *argv[], int &nStatus)
{

    assert( !m_ptrRedunSw ); //< NULL
    kbd_public::CSysInfoInterfacePtr ptrSysInfo;
    EnRunModel enRunModel = RM_NORMAL;
    std::string strAppName = CN_AppName_COMAPP;
    //< 启动日志
    kbd_public::StartLogSystem( strAppName.c_str(), EZ_NYGK_PROC_NAME );
    if ( kbd_public::createSysInfoInstance(ptrSysInfo) == false )
    {
        LOGFATAL( "createSysInfoInstance() return false !" );
        return false;
    }

    //< 获取运行参数
    if ( kbdSuccess != ptrSysInfo->getLocalRunAppInfoByName(strAppName,m_stRunAppInfo))
    {
        LOGFATAL( "getLocalRunAppInfoByName() failed !" );
        return false;
    }

    //< 参数解析
    if ( !parseCommandLine( argc, argv, enRunModel, strAppName ))
    {
        // help返回的也是false，输出失败不合适
        //std::cerr << "参数解析失败" << std::endl;
        return false;
    }

    //< 判断是否已启动
    if ( isAlreadyRunning())
    {
        LOGFATAL( EZ_NYGK_PROC_NAME" 已启动，不可重复启动，本实例退出！" );
        return false;
    }

    //< 消息总线
    if ( !kbd_net::initMsgBus( EZ_NYGK_PROC_NAME, "", true ))
    {
        LOGFATAL( "消息总线初始化失败，程序启动失败！" );
        return false;
    }

    //业务初始化
    p_manger = new client_MsgManger;
    p_manger->resume();
    m_ptrRedunSw = boost::make_shared<CWebSrvRedunSw>( this );

    switch ( enRunModel )
    {
        case RM_NORMAL:
        {
            //< 进程管理
            {
                std::string strStartArgs;
                for ( int i = 1; i < argc; ++i )
                {
                    if ( i != 1 )
                    {
                        strStartArgs += " ";
                    }

                    strStartArgs += argv[i];
                }

                kbd_sys::SProcessInfoKey objProcInfo;
                objProcInfo.nAppId = m_stRunAppInfo.nAppId;
                objProcInfo.nDomainId = m_stRunAppInfo.nDomainId;
                objProcInfo.strNodeName = m_stRunAppInfo.strLocalNodeName;
                objProcInfo.strProcName = EZ_NYGK_PROC_NAME;
                objProcInfo.strProcParam = strStartArgs;
                m_ptrProcMng = kbd_sys::getProcMngInstance( objProcInfo );
                if ( !m_ptrProcMng )
                {
                    LOGFATAL( "getProcMngInstance return NULL" );
                    return false;
                }
                m_ptrProcMng->setCallback( this );
            }

            //< 冗余管理
            {
                m_ptrRedundantMng = kbd_sys::getRedundantMngInstance( m_stRunAppInfo.nDomainId,
                                                                     m_stRunAppInfo.nAppId,
                                                                      m_stRunAppInfo.strLocalNodeName );

                if ( !m_ptrRedundantMng )
                {
                    LOGERROR( "getRedundantMngInstance return NULL" );
                    return false;
                }
                m_ptrRedundantMng->setCallback( m_ptrRedunSw );
            }

            //< 更新进程管理状态
            updateProcInfo( true, false, false );
        }
            break;
        case RM_NO_PROC_MNG_MASTER:
        {
            if ( kbdSuccess != m_ptrRedunSw->redundantSwitch( true, false ))
            {
                LOGFATAL( "以主机模式启动失败！" );
                return false;
            }
        }
            break;
        case RM_NO_PROC_MNG_SLAVE:
        {
            if ( kbdSuccess != m_ptrRedunSw->redundantSwitch( false, true ))
            {
                LOGFATAL( "以备机模式启动失败！" );
                return false;
            }
        }
            break;
        default:
        {
            LOGFATAL( "非预期的启动模式，程序启动失败！" );
            return false;
        }
            break;
    }

    LOGINFO( EZ_NYGK_PROC_NAME" is now running ..." );

    return true;
}

bool client_cfd::stop()
{
    LOGINFO( EZ_NYGK_PROC_NAME" is now exiting ..." );

    //< 取消冗余切换，防止正在退出时发生冗余切换
    if ( m_ptrRedundantMng )
    {
        LOGDEBUG("Release m_ptrRedundantMng ...");

        m_ptrRedundantMng->unsetCallback();
        m_ptrRedundantMng.reset();

        LOGDEBUG("Release m_ptrRedundantMng complete !");
    }

    //< 释放 m_ptrRedunSw
    if ( m_ptrRedunSw )
    {
        LOGDEBUG("Release m_ptrRedunSw ...");

        m_ptrRedunSw.reset();

        LOGDEBUG("Release m_ptrRedunSw complete !");
    }

    //< 清理业务线程
    if(p_manger != NULL){
        p_manger->quit();
        delete p_manger;
        p_manger = NULL;
    }

    //< 更新进程管理状态
    if ( m_ptrProcMng )
    {
        LOGDEBUG("Release m_ptrProcMng ...");

        updateProcInfo( false, false, false );
        m_ptrProcMng.reset();

        LOGDEBUG("Release m_ptrProcMng complete !");
    }

    //< 停止消息总线
    kbd_net::releaseMsgBus();

    //< 停止日志系统
   //移到析构函数中，防止日志库停止后，又写日志，从而使log4cplus提示找不到logger
    //kbd_public::StopLogSystem();

    return true;
}

int client_cfd::toQuit()
{
    shutdown();
    return kbdSuccess;
}

int client_cfd::updateProcInfo(bool bActive, bool bMaster, bool bSlave)
{ 
        if ( m_ptrProcMng )
        {
            return m_ptrProcMng->updateProcessInfo( bActive, bMaster, bSlave );
        }

        return kbdFailed;
}

bool client_cfd::isAlreadyRunning()
{
    return kbd_public::CSingleProcInstance::hasInstanceRunning( EZ_NYGK_PROC_NAME );
}

bool client_cfd::parseCommandLine( int argc, char *argv[], EnRunModel &enRunModel, std::string &strAppName )
{
    namespace po = boost::program_options;
    po::options_description desc( "usage" );
    po::variables_map vm;
    try
    {
        desc.add_options()
                ( "app"",a", po::value<std::string>(), "\t""The APP name" )
                ( "no_proc_mng_master"",m", "\t""Run as master without ProcMng and RedundantMng" )
                ( "no_proc_mng_slave"",s", "\t""Run as slave without ProcMng and RedundantMng" )
                ( "help"",h", "\t""Print this info" );
        po::store( po::parse_command_line( argc, argv, desc ), vm );
        po::notify( vm );

        if ( vm.count( "help" ))
        {
            std::cout << desc << std::endl;
            return false;
        }

        if ( vm.count( "no_proc_mng_master" ) && vm.count( "no_proc_mng_slave" ))
        {
            std::cout << "no_proc_mng_master and no_proc_mng_slave can not use at the same time !" << std::endl;
            return false;
        }

        if ( 0 != vm.count( "app" ))
        {
            strAppName = vm["app"].as<std::string>();
        }
        else
        {
            strAppName = CN_AppName_COMAPP;
        }

        if ( vm.count( "no_proc_mng_master" ))
        {
            enRunModel = RM_NO_PROC_MNG_MASTER;
        }
        else if ( vm.count( "no_proc_mng_slave" ))
        {
            enRunModel = RM_NO_PROC_MNG_SLAVE;
        }
        else
        {
            enRunModel = RM_NORMAL;
        }
    }
    catch ( std::exception &ex )
    {
        std::cerr << ex.what() << std::endl;
        std::cout << desc << std::endl;
        return false;
    }
    catch ( ... )
    {
        std::cerr << "未知错误" << std::endl;
        std::cout << desc << std::endl;
        return false;
    }

    return true;
}

}