#ifndef _MANAGE_TOOL_SERVER_USER_STATISTICS_H_
#define _MANAGE_TOOL_SERVER_USER_STATISTICS_H_

#pragma warning(disable:4800)

#include <map>
#include <vector>
#include <string>
#include <list>
#include <tchar.h>
#include <Thread/Lock.h>
#include <Network/Address/INET_Addr.h>

#include <boost/pool/pool_alloc.hpp>

// forward decl.
namespace ServerManage
{
    struct UserNumPair;
}

struct PktBase;


class CUserStatistics
{
public:

	static CUserStatistics& GetInstance();
	
	bool Load();
    void SetSetupFileName(const TCHAR* szFileName);
	
	void SetUserNum(unsigned long dwRunID, unsigned long dwServerID, int nCurrentUserNum)
    {
        StatisticsLock::Syncronize sync(m_Lock);
        InternalSetUserNum(dwRunID, dwServerID, nCurrentUserNum);
    }

	int	 GetUserNum(unsigned long dwServerID);
    int  GetTotalUserNum();
    int  GetGroupUserNum(char cGroupNum);

    void ClearRunID_UserNum(unsigned long dwRunID)
    {
        StatisticsLock::Syncronize sync(m_Lock);
        InternalClearRunID_UserNum(dwRunID);
    }
    void ClearGroupUserNum(unsigned char cGroupNum)
    {
        StatisticsLock::Syncronize sync(m_Lock);
        InternalClearGroupUserNum(cGroupNum);
    }

    void CheckClearUser(PktBase* lpPktBase);

    void SerializeIn(unsigned long dwRunID, 
        ServerManage::UserNumPair* lpUserNumPair, unsigned long dwPairNum);
    
	void SendStatisticsToHanGame();
	void SendStatisticsToStatServer();

private:

	CUserStatistics();
	~CUserStatistics();

	void InternalSetUserNum(unsigned long dwRunID, unsigned long dwServerID, int nCurrentUserNum);
    void InternalClearRunID_UserNum(unsigned long dwRunID);
    void InternalClearGroupUserNum(unsigned char cGroupNum);

	typedef CCSLock	StatisticsLock;

    typedef std::map<unsigned long, int, std::less<unsigned long>, 
        boost::fast_pool_allocator<std::pair<unsigned long, int> > > UserNumTable;
    
    typedef std::multimap<unsigned long, UserNumTable::iterator, std::less<unsigned long>,
        boost::fast_pool_allocator<std::pair<unsigned long, UserNumTable::iterator> > > RunIDTable;


	typedef std::map<unsigned long, std::string>	ServerGroupNames;
	typedef std::list<INET_Addr>					AddressList;

	StatisticsLock		m_Lock;
	CACHE_PAD(StatisticsLockPad, sizeof(StatisticsLock));

	UserNumTable		m_CurrentUsers;
    RunIDTable			m_RunIDTable;

	ServerGroupNames	m_ServerGroupNames;
	AddressList			m_HangameAddress;
	
    TCHAR				m_szSetupFileName[MAX_PATH];
};

#endif