// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine License
// Agreement.
//
// Log - implemented using stderr.

#include "log.h"

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

namespace wvutil {

LogPriority g_cutoff = CDM_LOG_INFO;

void InitLogging() {}

void Log(const char* file, const char* function, int line, LogPriority level,
         const char* fmt, ...) {
  const char* severities[] = {"ERROR", "WARN", "INFO", "DEBUG", "VERBOSE"};
  if (level >=
      static_cast<LogPriority>(sizeof(severities) / sizeof(*severities))) {
    fprintf(stderr, "[FATAL:%s(%d)] Invalid log priority level: %d\n", file,
            line, level);
    return;
  }
  if (level > g_cutoff) return;

  fprintf(stderr, "[%s:%s(%d):%s] ", severities[level], file, line, function);

  va_list ap;
  va_start(ap, fmt);
  vfprintf(stderr, fmt, ap);
  va_end(ap);

  putc('\n', stderr);
  fflush(stderr);
}

}  // namespace wvutil