#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <glib.h>
#include <sys/time.h>

#include <fcntl.h>

#include "debug.h"

GMutex debug_mutex;

#define LEN 2048

void debug_init() {
	g_mutex_init (&debug_mutex);
}

void debug_tofile(char *fname, char *fmt, ...) {
	static struct timeval tv;
	static int firstrun = 1;
	struct timeval tv1;
	va_list args;
	char buffer[LEN];
	int fd, len;
	long long int ms;

	std::string s = setlocale(LC_ALL, NULL);
	setlocale (LC_ALL, "C");

	g_mutex_lock(&debug_mutex);

	if (firstrun) {
		gettimeofday(&tv,NULL);
		firstrun = 0;
	}
	gettimeofday(&tv1,NULL);
	ms = ((tv1.tv_sec - tv.tv_sec) * 1000) +
		 ((tv1.tv_usec - tv.tv_usec) / 1000);
#ifdef BUILD_WINDOWS
	fd = open(fname, O_WRONLY | O_APPEND | O_CREAT);
#else
	fd = open(fname, O_WRONLY | O_APPEND | O_CREAT, S_IRUSR | S_IWUSR);
#endif
	if (fd < 0) errorexit((char*)"%s:%d could not open debug '%s' file. Error:%s\n", __FILE__, __LINE__, fname, strerror(errno));

	snprintf (buffer, 32, "%lld,", ms);
	len = strlen (buffer);
	va_start (args, fmt);
	vsnprintf (buffer+len, LEN-1-len, fmt, args);
	va_end (args);
	buffer[LEN-1] = 0;
	write (fd, buffer, strlen(buffer));
	close (fd);
	g_mutex_unlock(&debug_mutex);

	setlocale (LC_ALL, s.c_str());
}