#ifndef WIDG_H
#define WIDG_H

#include "Menu.h"
#include <QMap>
#include <QSerialPort>
#include <QSerialPortInfo>
#include <QTimer>
#include <QWidget>

namespace Ui {
class Widget;
}

class Widget : public QWidget {
    Q_OBJECT
    enum Command {
        Playback,
        Next,
        Previous,
        Forward,
        Back,
        Pause,
        Return,
        Enter
    };

public:
    explicit Widget(QWidget* parent = 0);
    ~Widget();

public slots:
    void showPlayList();

private slots:
    void onSerialError(QSerialPort::SerialPortError error);
    void onTimeout();
    void onReadyRead();

private:
    Ui::Widget* ui;
    QStringList fileList;

    QTimer* timer;
    QSerialPort* serialPort;
    QMap<QString, Command> commandMap;

    bool isPlayback = false;
    QString curChannelName;
    QString curFileName;

    Menu* menu;

private:
    void initSerialPort();
    void initCommandMap();
};

#endif // WIDG_H