/*
 * Copyright (c) 1997 - 2001 Hansjörg Malthaner
 *
 * This file is part of the Simutrans project under the artistic licence.
 * (see licence.txt)
 */

#ifndef tests_log_h
#define tests_log_h

#include <stdio.h>
#include "../simtypes.h"


/**
 * Logging facility
 * @author Hj. Malthaner
 */
class log_t
{
private:
    /**
     * Primary log file.
     * @author Hj. Malthaner
     */
    FILE *log;

    /**
     * Secondary log file, currently fixed to stderr
     * @author Hj. Malthaner
     */
    FILE * tee;

    bool force_flush;

    /**
     * Logging level - include debug messages ?
     * @author Hj. Malthaner
     */
    bool log_debug;

public:
    /**
     * writes a debug message into the log.
     * @author Hj. Malthaner
     */
    void debug(const char *who, const char *format, ...);

    /**
     * writes a message into the log.
     * @author Hj. Malthaner
     */
    void message(const char *who, const char *format, ...);

    /**
     * writes a warning into the log.
     * @author Hj. Malthaner
     */
    void warning(const char *who, const char *format, ...);

    /**
     * writes an error into the log.
     * @author Hj. Malthaner
     */
    void error(const char *who, const char *format, ...);

	/**
	 * writes an error into the log, aborts the program.
	 * @author Hj. Malthaner
	 */
	void NORETURN fatal(const char* who, const char* format, ...);


	void close();


	log_t(const char *logname, bool force_flush, bool log_debug);
	~log_t();
};

#endif
