/**
 * Copyright (c) 2026 Dominic Masters
 *
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "log/log.h"
#include <dbgio.h>
#include <stdarg.h>
#include <stdio.h>

/*
 * Yaul's bare-metal stdio (stdout/stderr) has uninitialised function pointers
 * and will crash if called via vprintf/vfprintf.  Use Yaul's dbgio subsystem
 * instead: DBGIO_DEV_MEDNAFEN_DEBUG outputs to Mednafen's debug console;
 * the same code works with USB cart or serial on hardware by changing the
 * device constant.
 */

static int _dbgioReady = 0;

static void _ensureDbgio(void) {
  if (!_dbgioReady) {
    dbgio_dev_default_init(DBGIO_DEV_MEDNAFEN_DEBUG);
    _dbgioReady = 1;
  }
}

static void _logWrite(const char_t *message, va_list args) {
  char buf[256];
  vsnprintf(buf, sizeof(buf), message, args);
  dbgio_puts(buf);
}

void logDebug(const char_t *message, ...) {
  _ensureDbgio();
  va_list args;
  va_start(args, message);
  _logWrite(message, args);
  va_end(args);
}

void logError(const char_t *message, ...) {
  _ensureDbgio();
  va_list args;
  va_start(args, message);
  _logWrite(message, args);
  va_end(args);
}