/*!
 *
 * Copyright (c) 2021-2022 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    MSettings.h
 * \author  (last)      Behrouz NematiPour
 * \date    (last)      10-Aug-2021
 * \author  (original)  Behrouz NematiPour
 * \date    (original)  29-Mar-2021
 *
 */
#pragma once

// Qt
#include <QObject>
#include <QAbstractItemModel>
#include <QMutexLocker>

// Project
#include "main.h" // Doxygen : do not remove

// Define
#define _Settings Storage::MSettings::I()

// namespace
namespace Storage {

// FixMe: the model and controller need review and some functionalities need to be moved.
// FixMe: the controller should be the Singleton not the model.

class MSettings : public QObject
{
    Q_OBJECT

    struct KeyValue {
        QString         category;
        QString         location;
        QList<QString > keys;
        QList<QVariant> values;
    };
    QMap<QString,KeyValue   >  _settings;

    QMap<QString,QStringList>  _category;

    QMutex _mutex;

    // Singleton
    SINGLETON(MSettings)

public:
    QStringList     categorys();
    QStringList     groups   ();
    QStringList     groups   (const QString &vCategory);
    QStringList     keys     (const QString &vGroup   );
    QString         key      (const QString &vGroup   , uint vIndex);
    QVariantList    values   (const QString &vGroup   );
    QVariant        value    (const QString &vGroup   , const QString &vKey);
    QString         location (const QString &vGroup   );

    void            add     (const QString &vGroup, const QString &vKey, const QVariant &vValue, const QString &vLocation, const QString &vCategory);

// the utility static functions
private : QString   _datetimeFormat = "MM/dd/yyyy HH:mm:ss";
public  : void       datetimeFormat();
public  : QString getDatetimeFormat() { return _datetimeFormat; }

};

}

typedef struct{} SettingsData; // it has literally been defined to be used for overloading