#ifndef INCLUDED_BOBCAT_LOG_
#define INCLUDED_BOBCAT_LOG_

#include <fstream>
#include <memory>

#include <bobcat/logbuf>

namespace FBB
{

enum LogManipulator
{
    FATAL,
    nl,                 // new line without new time stamp
    fnl,                // forced new line, even at low level specs.
};

class Log: private LogBuf, public std::ostream
{
    private:
        static std::unique_ptr<Log> s_stream;

        std::ofstream d_stream;
        size_t d_level;         // defined by setLevel: the level messages 
                                // must at least have to be inserted

        size_t d_msgLevel;      // the level of inserted messages

    public:
        static Log &instance();
        static Log &initialize(std::string const &filename, 
                std::ios::openmode = std::ios::out | std::ios::app, 
                char const *delim = " ");

        Log();
        Log(std::ostream &out,  char const *delim = " ");
        Log(std::string const &filename, 
                std::ios::openmode = std::ios::out | std::ios::app, 
                char const *delim = " ");

        void open(std::string const &filename, 
                std::ios::openmode = std::ios::out | std::ios::app, 
                char const *delim = " ");

        size_t level() const;                                           // .f
        std::ostream &level(size_t useLevel);
        void  setLevel(size_t newLevel);
        void  setTimestamp(TimeStamps timeStamp, char const *delim = " ");
        void  off();                                                    // .f
        void  on(size_t logLevel = 0);                                  // .f

    private:
        void init();
};

inline size_t Log::level() const
{
    return d_level;
}
inline void  Log::off()
{
    setActive(OFF);
}

std::ostream &operator<<(std::ostream &str, LogManipulator);
        
} // FBB

#endif
