#ifndef _AUTOLOG_H
#define _AUTOLOG_H

#pragma warning (disable : 4786)
#include <stdio.h>
#include <time.h>

#ifdef EXTERNAL_DISTRO
namespace NAMESPACE 
{

#endif
namespace Base 
{

    class CAutoLog 
    {
    public:
        enum eLogLevel { 
            eLOG_NONE = 0,      // log entries are discarded
            eLOG_ERROR = 1,     // log errors only
            eLOG_ALERT = 2,     // log alerts and errors only
            eLOG_NORMAL = 3,   // log all normal events, no debug
            eLOG_DEBUG = 4      // log everything
        };

        // Global setting for all AutoLog instances for this application. Can be set on the fly. Default is eLOG_NORMAL.
        void SetLogLevel(eLogLevel loglevel);

        // Global setting for all AutoLog instances for this application. Can be set on the fly. Default is eLOG_ERROR.
        void SetPrintLevel(eLogLevel printlevel);

        // Global setting for all AutoLog instances for this application. Can be set on the fly. Default is eLOG_ERROR.
        void SetFlushLevel(eLogLevel flushlevel);

        // constructor, no file loaded
	    CAutoLog();

        // version of constructor that calls Open(file)
	    CAutoLog(const char * file);

        // destructor, will close file if opened
	    ~CAutoLog();

        // Open log file. If a file is already open, function will fail.
        // returns true if no error
	    bool	Open(const char * file);

        // Close log file if opened.
	    void	Close(void);

        // Make an entry in the log. Format and variable arguments are identical to printf.
        // severity will be compared to master log level to determine if the log entry will be made
        // severity will be compared to master print level to determine if the log entry will be printed to stdout
	    void	Log(eLogLevel severity, char * format, ...);

        // Equivalent to the above with the approriate severity argument
	    void	LogError(char * format, ...);
	    void	LogAlert(char * format, ...);
	    void	Log(char * format, ...);
	    void	LogDebug(char * format, ...);

    private:
	    FILE *  pFile;                  // current log file opened
	    char *  pFilename;              // current log file opened
	    int     nTodaysDayOfYear;       // remember the current day to detect change of day
	    void	Archive(void);          // archives current log

        static eLogLevel nLogMask;            // master severity level
        static eLogLevel nPrintMask;          // master severity level
        static eLogLevel nFlushMask;          // master severity level
    };

    //-------------------------------------
    inline void CAutoLog::SetLogLevel(eLogLevel loglevel)
    {
        nLogMask = loglevel;
    }

    //-------------------------------------
    inline void CAutoLog::SetPrintLevel(eLogLevel printlevel)
    {
        nPrintMask = printlevel;
    }

    //-------------------------------------
    inline void CAutoLog::SetFlushLevel(eLogLevel flushlevel)
    {
        nFlushMask = flushlevel;
    }

    //-------------------------------------
    inline CAutoLog::CAutoLog()
    {
        pFilename = NULL;
	    pFile = (FILE *)-1;	
    }

    //-------------------------------------
    inline CAutoLog::CAutoLog(const char * file)
    {
        pFilename = NULL;
	    pFile = (FILE *)-1;	
	    Open(file);
    }

    //-------------------------------------
    inline CAutoLog::~CAutoLog()
    {
	    Close();
    }
};
#ifdef EXTERNAL_DISTRO
};
#endif

#endif