#include <QVBoxLayout>
#include <QtWidgets>
#include <iostream>
#include <qapplication.h>
#include <qboxlayout.h>
#include <qgridlayout.h>
#include <qlistwidget.h>
#include <qnamespace.h>
#include <qpushbutton.h>
#include <qtoolbar.h>
#include <qwidget.h>

class MainWindowMediator {
  public:
    MainWindowMediator &setListOfCardsWidget(std::shared_ptr<QListWidget> &iListOfCards) {
        _listOfCardsWidget = iListOfCards;
        return *this;
    }
    MainWindowMediator &setMainWindow(std::shared_ptr<QWidget> &iMainWindow) {
        _mainWindow = iMainWindow;
        return *this;
    }
    std::shared_ptr<QWidget> getListOfCardsWidget() { return _listOfCardsWidget; }
    std::shared_ptr<QWidget> getMainWindow() { return _mainWindow; }

  private:
    std::shared_ptr<QListWidget> _listOfCardsWidget;
    std::shared_ptr<QWidget> _mainWindow;
};

void configureMainMenuBar(QMenuBar &iMenuBar, MainWindowMediator &iMainWindowMediator) {
    QMenu *aOpenMenu = iMenuBar.addMenu("File");
    aOpenMenu->addAction("Open JSON file", [] {
        QFileDialog aFileDialog;
        aFileDialog.setWindowTitle("Choose JSON file");
        QDir aCurrentDir{QDir::currentPath()};
        aFileDialog.setDirectory(aCurrentDir);
        aFileDialog.setFileMode(QFileDialog::ExistingFile);
        aFileDialog.setOption(QFileDialog::ShowDirsOnly, false);
        aFileDialog.setNameFilter("*.json");
        aFileDialog.exec();
        const QStringList kFilePaths{aFileDialog.selectedFiles()};
        if (kFilePaths.size() > 0) {
            std::cout << kFilePaths[0].toStdString() << '\n';
        }
    });
    aOpenMenu->addAction("Quit",
                         [&iMainWindowMediator] { iMainWindowMediator.getMainWindow()->close(); });
}

int main(int argc, char *argv[]) {
    QApplication aApplication(argc, argv);
    auto aWindow = std::make_shared<QWidget>();
    aWindow->resize(440, 650);
    // Set Dialog flag for i3 users
    aWindow->setWindowFlag(Qt::WindowType::Dialog);

    QGridLayout aLayout(aWindow.get());
    QMenuBar aMenuBar;
    aLayout.addWidget(&aMenuBar, 0, 0);
    auto aListOfCards = std::make_shared<QListWidget>();
    aLayout.addWidget(aListOfCards.get(), 1, 0);

    MainWindowMediator aMainWindowMediator;
    aMainWindowMediator.setListOfCardsWidget(aListOfCards);
    aMainWindowMediator.setMainWindow(aWindow);
    configureMainMenuBar(aMenuBar, aMainWindowMediator);

    aListOfCards->insertItem(0, "first card");
    aListOfCards->insertItem(1, "second card");
    aListOfCards->insertItem(2, "third card");

    aWindow->show();
    aWindow->setWindowTitle("Hearthstone simulator");
    return aApplication.exec();
}