#ifndef WIDG_H
#define WIDG_H

#include "Menu.h"
#include "ProgressBar.h"
#include <QDebug>
#include <QDir>
#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();
    void onProgressTimeout();
    void onPlayEnd();
    void onSignalInputed(QString name, int width, int height);

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

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

    QTimer* progressTimer;
    bool isPlayback = false;
    QString curPlayChannel;
    QString curSelectChannel;
    QString curFileName;

    Menu* menu;
    ProgressBar* progressBar;

private:
    void initSerialPort();
    void initCommandMap();
    inline QStringList getFileList(QString dirPath);
};

/**
 * @brief get all files of cur channel
 * @param path
 * @return
 */
inline QStringList Widget::getFileList(QString dirPath)
{
    QStringList fileList;
    QDir dir(dirPath);
    if (!dir.exists()) {
        qDebug() << dirPath << "do not exist";
        return fileList;
    }
    dir.setFilter(QDir::Files);
    dir.setSorting(QDir::Name);
    QStringList nameFilters;
    nameFilters << "*.mp4";
    dir.setNameFilters(nameFilters);
    fileList = dir.entryList();
    return fileList;
}

#endif // WIDG_H