#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QSettings>
#include <QStateMachine>
#include <QTimer>

namespace Ui {
class MainWindow;
}

namespace shutdown2 {

class MainWindow : public QMainWindow
{
    Q_OBJECT

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

private slots:
    void on_btn_startstop_clicked();
    void updateTime();

private:
    Ui::MainWindow *ui;

    QSettings* mSettings = nullptr;
    QStateMachine mStateMachine;
    QByteArray mCss;
    QTimer mTimer;
    int mTimeLeft = -1; // in seconds

    void initStateMachine();
    void triggerCssUpdate();
    void keyPressEvent(QKeyEvent *event) override;
    void timerToggled();
    void shutdown();
};

}

#endif // MAINWINDOW_H