#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QItemSelection>
#include <QMainWindow>

QT_BEGIN_NAMESPACE

class QUndoStack;

class QUndoView;
namespace Ui {
class MainWindow;
}
QT_END_NAMESPACE

class GenericCore;
class TableModel;
class GeneralSortFilterModel;
class NewItemDialog;
class EditItemDialog;

using namespace std;

class MainWindow : public QMainWindow {
  Q_OBJECT

 public:
  MainWindow(QWidget* parent = nullptr);
  ~MainWindow();

 signals:
  void displayStatusMessage(QString message);
  void checkForUpdates();

 protected:
  void closeEvent(QCloseEvent* event) override;

 private slots:
  void showStatusMessage(const QString text);
  void onCurrentChanged(const QModelIndex& current, const QModelIndex& previous);
  void onSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected);

  void onAboutClicked();
  void on_actionCheck_for_update_triggered();

  void on_pushButton_clicked();

  /// slots for menu actions
  void openNewItemDialog();
  void openEditItemDialog();
  void deleteCurrentItem();
  void deleteSelectedtItems();

  void onCleanStateChanged(bool clean);
  void onShowUndoViewToggled(bool checked);

  /// 'File' slots
  void saveItems();
  void importCSV();
  void exportCSV();

  /// 'Edit' slots
  void findItems();

  /// 'Server' slots
  void fetchItems();
  void postItems();
  void deleteItem();

  /// 'Tools' slots
  void execSettingsDialog();

 private:
  Ui::MainWindow* ui;

  unique_ptr<GenericCore> m_core;
  shared_ptr<GeneralSortFilterModel> m_proxyModel;
  QUndoStack* m_modelUndoStack;
  unique_ptr<QUndoView> m_modelUndoView;

  /// File actions
  unique_ptr<QAction> m_newFileAct;
  unique_ptr<QAction> m_openAct;
  unique_ptr<QAction> m_saveAct;
  unique_ptr<QAction> m_importAct;
  unique_ptr<QAction> m_exportAct;
  unique_ptr<QAction> m_printAct;
  unique_ptr<QAction> m_exitAct;
  /// Edit actions
  unique_ptr<QAction> m_undoAct;
  unique_ptr<QAction> m_redoAct;
  unique_ptr<QAction> m_cutAct;
  unique_ptr<QAction> m_copyAct;
  unique_ptr<QAction> m_pasteAct;
  unique_ptr<QAction> m_openNewItemDialogAct;
  unique_ptr<QAction> m_openEditItemDialogAct;
  unique_ptr<QAction> m_deleteItemAct;
  unique_ptr<QAction> m_findItemAct;
  /// Server actions
  unique_ptr<QAction> m_fetchItemsAct;
  unique_ptr<QAction> m_postItemsAct;
  unique_ptr<QAction> m_deleteItemsAct;

  /// View actions
  unique_ptr<QAction> m_showModelUndoViewAct;

  /// Dialogs
  unique_ptr<NewItemDialog> m_newItemDialog;
  unique_ptr<EditItemDialog> m_editItemDialog;

  /// Setup functions
  void createActions();
  void createFileActions();
  void createUndoActions();
  void createEditActions();
  void createServerActions();
  void createToolsActions();
  void createHelpMenu();
  void createGuiDialogs();
};
#endif  // MAINWINDOW_H