#ifndef GENERICCORE_H
#define GENERICCORE_H

#include <QObject>

class QUndoStack;
class QAbstractItemModel;
class QAbstractItemModelTester;
class QString;

class TableModel;
class GeneralSortFilterModel;
class ServerCommunicator;

class GenericCore : public QObject {
  Q_OBJECT

 public:
  GenericCore();
  ~GenericCore();

  QString toString() const;
  void sayHello() const;

  bool isApplicationUpdateAvailable();
  void triggerApplicationUpdate(const bool saveChanges);

  QUndoStack* getModelUndoStack() const;
  std::shared_ptr<TableModel> getModel() const;
  std::shared_ptr<GeneralSortFilterModel> getSortFilterModel() const;

  void saveItems();
  void importCSVFile(const QString& filePath);
  bool exportCSVFile(const QString& filePath);

  bool isSyncServerSetup() const;

 public slots:
  void onSendItemTriggered(const QByteArray& jsonData);
  void onItemsFetched(const QByteArray jsonData);
  void onItemsFetchFailure(const QString errorString);
  void onPostRequestSuccessful(const QString message);
  void onPostRequestFailure(const QString errorString);

 signals:
  void displayStatusMessage(QString message);
  void fetchItemsFromServer();
  void sendItemToServer(const QByteArray& jsonData);

 private:
  QUndoStack* m_modelUndoStack;
  std::shared_ptr<TableModel> m_mainModel;
  std::shared_ptr<GeneralSortFilterModel> m_sortFilterModel;
  std::unique_ptr<QAbstractItemModelTester> m_mainModelTester;
  std::unique_ptr<QAbstractItemModelTester> m_proxyModelTester;

  void setupModels();
  void initModelData();

  QString getMaintenanceToolFilePath() const;

  /// Network communication
  std::unique_ptr<ServerCommunicator> m_serverCommunicator;
  void setupServerConfiguration();
};

#endif  // GENERICCORE_H