// This file is part of RSS Guard.
//
// Copyright (C) 2011-2016 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// RSS Guard is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.

#include "miscellaneous/debugging.h"

#include "miscellaneous/application.h"

#include <QDir>

#include <cstdio>
#include <cstdlib>


Debugging::Debugging() {
}

void Debugging::performLog(const char *message, QtMsgType type, const char *file, const char *function, int line) {
  const char *type_string = typeToString(type);

  // Write to console.
  if (file == 0 || function == 0 || line < 0) {
    fprintf(stderr, "[%s] %s: %s\n", APP_LOW_NAME, type_string, message);
  }
  else {
    fprintf(stderr, "[%s] %s\n  Type: %s\n  File: %s (line %d)\n  Function: %s\n\n",
            APP_LOW_NAME, message, type_string, file, line, function);
  }

  if (type == QtFatalMsg) {
    qApp->exit(EXIT_FAILURE);
  }
}

const char *Debugging::typeToString(QtMsgType type) {
  switch (type) {
    case QtDebugMsg:
      return "DEBUG";

    case QtWarningMsg:
      return "WARNING";

    case QtCriticalMsg:
      return "CRITICAL";

    case QtFatalMsg:
    default:
      return "FATAL (terminating application)";
  }
}

void Debugging::debugHandler(QtMsgType type, const QMessageLogContext &placement, const QString &message) {
#ifndef QT_NO_DEBUG_OUTPUT
  performLog(qPrintable(message), type, placement.file, placement.function, placement.line);
#else
  Q_UNUSED(type)
  Q_UNUSED(placement)
  Q_UNUSED(message)
#endif
}