#ifndef GENERICCORE_H
#define GENERICCORE_H

#include <QObject>
#include <QVariant>

#include "model/metadata.h"
#include "structs.h"

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

class TableModel;
class GeneralSortFilterModel;
class ModelSummary;
class ServerCommunicator;

using namespace std;

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;

  shared_ptr<TableModel> getModel() const;
  shared_ptr<GeneralSortFilterModel> getSortFilterModel() const;
  shared_ptr<ModelSummary> getModelSummary() const;

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

  QVariantMap getSettings(QString group = "") const;
  void applySettings(QVariantMap settingMap, QString group = "");
  bool isSyncServerSetup() const;

 public slots:
  void onBiddingsChanged(const QList<bidding> biddings);

  void onCreateOnlineAccountTriggered(const QString& mailAddress);
  void onOnlineUserAccountReceived(const QString mailAddress,
                                   const QString uuid,
                                   const QString accessToken);
  void onSendInviteMailTriggered(const QString& mailAddress);

 signals:
  void displayStatusMessage(QString message);

  /// *** server communication ***
  ///     request signals
  void sendGetRequest(GetRequestTypes type, QVariant data = QVariant());
  void sendPostRequest(PostRequestTypes type, QByteArray data);
  ///     response signals
  void currentBiddingRoundChanged(int round, bool isRunning);

  /// deprecated signals
  void fetchItemsFromServer();
  void postItemToServer(const QByteArray& jsonData);
  void deleteItemFromServer(const QString& id);

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

  void setupModels();
  void initModelData();

  QString getMaintenanceToolFilePath() const;

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

#endif  // GENERICCORE_H