/*!
 *
 * Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
 * copyright
 *          THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM,
 *          IN PART OR IN WHOLE,
 *          WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * file    usbwatcher.h
 * date    12/31/2019
 * author  Behrouz NematiPour
 *
 */
#pragma once

// Qt
#include <QObject>

// Project
#include "main.h"
#include "threads.h"

// Define
#define _USBWatcher Storage::USBWatcher::I()

namespace Storage {

class USBWatcher : public QObject
{
    Q_OBJECT

    bool        _mounted        = false;
    bool        _umounted       = false;
    bool        _removed        = false;
    const char *_usbDrive       = "";
    const int   _checkInterval  = 1000; // in ms

    QThread    *_thread         = nullptr;
    bool        _init           = false;

// Singleton
SINGLETON(USBWatcher)

public slots:
    bool init();
    bool init(QThread &vThread);

private slots:
    void quit();

protected:
    void timerEvent(QTimerEvent *) override;

private:
    void initConnections();

    void initThread(QThread &vThread);
    void quitThread();

    bool usbSeek(QString &vDevice);

signals:
    void didUSBDriveMount ();
    void didUSBDriveUmount();
    void didUSBDriveRemove();

private slots:
    void usbcheck ();

    bool usbMount (const QString &vDevice);
    bool usbUmount(const QString &vDevice);
    void usbRemove();
    void usbError (const QString &vDevice);

    void onUSBDriveUmount();
};

}