#include <ansi_c.h>

#include "logging.h"

/* this refers to the event time defined as a global variable in the main program */
extern double utc;


int __logger_init(struct logger *l)
{
	int panel = LoadPanel(0, "FXAnalyse.uir", LOGGING);
	if (panel < 0)
		return -1;
	l->panel = panel;
	return 0;
}


void __logmessage(struct logger *l, enum loglevel level, const char *frmt, ...)
{
	static const char levels[][16] = {
		"DEBUG",
		"INFO",
		"WARNING",
		"ERROR",
	};

	char msg[1024];
	int len = 0;
	
	// timestamp
	len += sprintf(msg, "%014.3f ", utc);
	time_t now = time(NULL);
	struct tm *t = localtime(&now);
	len += strftime(msg + len, sizeof(msg) - len, "%d-%m-%Y %H:%M:%S ", t);
	
	// level
	len += snprintf(msg + len, sizeof(msg) - len, "%s: ", levels[level]);
	
	// message
	va_list args;
	va_start(args, frmt);
	len += vsnprintf(msg + len, sizeof(msg) - len, frmt, args);
	va_end(args);
	
	// add newline
	len = MIN(len, sizeof(msg) - 2);
	msg[len] = '\n';
	msg[len + 1] = '\0';
	
	// display message
	SetCtrlVal(l->panel, LOGGING_LOGGING, msg);
}