//---
// fxos.log: Logging functions
//---

#ifndef FXOS_LOG_H
#define FXOS_LOG_H

#include <fxos/util.h>

namespace FxOS::Log {

/* Message levels, used for masking and statistics */
#define LEVEL_LOG 0
#define LEVEL_WRN 1
#define LEVEL_ERR 4

/* Prefixes to set in the call to log() for brevity. The comma is included.
   Typical usage would be log(ERR "logic is inconsistent"). */
#define LOG LEVEL_LOG,
#define WRN LEVEL_WRN,
#define ERR LEVEL_ERR,

/* Select the log level */
void log_setminlevel(int level);

/* Get the minimum log level */
int log_getminlevel();

/* General message logger */
void logmsg(int level, char const *function, std::string message);

/* Automatically apply format strings. Also force the first argument to be
   expanded first, since this causes a comma to appear. */
#define log(level, ...) \
	loghelper(level, __VA_ARGS__)
#define loghelper(level, fmtstr, ...) \
	logmsg(level, __func__, format(fmtstr __VA_OPT__(,) __VA_ARGS__))

} /* namespace FxOS::Log */

#endif /* FXOS_LOG_H */