#include "logger.h"

#include <cstdio>
#include <ctime>
#include <cstdarg>

bool restart_gl_log() {
   FILE* file = fopen(GL_LOG_FILE, "w");
   if (!file) {
      fprintf(stderr, "ERROR: could not open GL_LOG_FILE log file %s for writing\n", GL_LOG_FILE);
      return false;
   }
   time_t now = time(NULL);
   char* date = ctime(&now);
   fprintf(file, "GL_LOG_FILE log. local time %s\n", date);
   fclose(file);
   return true;
}

bool gl_log(const char* message, ...) {
   va_list argptr;
   FILE* file = fopen(GL_LOG_FILE, "a");
   if (!file) {
      fprintf(stderr, "ERROR: could not open GL_LOG_FILE log file %s for appending\n", GL_LOG_FILE);
      return false;
   }
   va_start(argptr, message);
   vfprintf(file, message, argptr);
   va_end(argptr);
   fprintf(file, "\n");
   fclose(file);
   return true;
}

bool gl_log_err(const char* message, ...) {
   va_list argptr;
   FILE* file = fopen(GL_LOG_FILE, "a");
   if (!file) {
      fprintf(stderr, "ERROR: could not open GL_LOG_FILE log file %s for appending\n", GL_LOG_FILE);
      return false;
   }
   va_start(argptr, message);
   vfprintf(file, message, argptr);
   va_end(argptr);
   fprintf(file, "\n");
   va_start(argptr, message);
   vfprintf(stderr, message, argptr);
   va_end(argptr);
   fprintf(stderr, "\n");
   fclose(file);
   return true;
}