/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2019 Symless Ltd.
 * Copyright (C) 2012 Nick Bolton
 *
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 *
 * This package 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <QObject>
#include <QString>
#include <memory>

class QNetworkAccessManager;
class QNetworkReply;

class VersionChecker : public QObject {
  Q_OBJECT
public:
  VersionChecker(std::shared_ptr<QNetworkAccessManager> manager = nullptr);
  virtual ~VersionChecker() {}
  void checkLatest();
  void setApp(const QString &app) { m_app = app; }
  int compareVersions(const QString &left, const QString &right);
public slots:
  void replyFinished(QNetworkReply *reply);
signals:
  void updateFound(const QString &version);

private:
  std::shared_ptr<QNetworkAccessManager> m_manager;
  QString m_app;

  /**
   * \brief Converts a string stage to a integer value
   * \param stage The string containing the stage version
   * \return An integer representation of the stage, the higher the number the
   * more recent the version
   */
  int getStageVersion(QString stage) const;
};