/*!
 *
 * Copyright (c) 2021-2023 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    VLogFilesModel.h
 * \author  (last)      Behrouz NematiPour
 * \date    (last)      02-Feb-2023
 * \author  (original)  Behrouz NematiPour
 * \date    (original)  11-May-2021
 *
 */
#pragma once

// Qt
#include <QObject>
#include <QAbstractListModel>
#include <QVariant>

// Project
#include "main.h"
#include "VView.h"
#include "MLogFile.h"

// forward declarations
class tst_views;

namespace View {

/*!
 * \brief The VLogFilesModel class
 * Interface between QML and the log files
 * \details Exposes log files to QML and provides an interface to list and select the files
 * References: https://doc.qt.io/qt-5.12/qtquick-modelviewsdata-cppmodels.html
 *
 */

class VLogFilesModel : public QAbstractListModel
{
    Q_OBJECT
public:
    // Note: VIEW_DEC_CLASS(VLogFilesModel) requires QObject as the parent, so it's necessary to define it here
    // Otherwise a VIEW_DEC_CLASS macro could allow specifying the parent class with QObject as the default
    explicit VLogFilesModel(QAbstractListModel *parent = nullptr);

    enum LogFileDataRole {
        FilePathRole = Qt::UserRole + 1 ,
        FileNameRole                    ,
        FileSizeRole                    ,
        FileLogTypeRole                 ,
        FileModificationDateTimeRole    ,
    };

    int      rowCount   (const QModelIndex &parent = QModelIndex()) const;
    QVariant data       (const QModelIndex &index, int role = Qt::DisplayRole) const;

public slots:
    void doInit();
    void refreshModel();
    void removeAllRows();

private slots:
    void onWatchDirectoryChange(const QString &vDirectory);
    void onTotalModelRefresh(bool vIsStillProcessing);

protected:
    virtual void updateModelOnDirChange(const QString &vDirectory) = 0;

    virtual void initConnections();
    void updateLogModel(const QString &vDirectory);
    QList<LogFileData> getLogListFromDir(Storage::Logger::LogType vType, const QString &vDirectory, bool vCheckPreInclude = false);

    QHash<int, QByteArray> roleNames() const;
    QList<LogFileData> _logFiles;

private:
    virtual void populateLogModel();
};

class VSDCardLogFilesModel : public VLogFilesModel
{
public:
    explicit VSDCardLogFilesModel(QAbstractListModel *parent = nullptr);
protected:
    virtual void updateModelOnDirChange(const QString &vDirectory) override;
private:
    virtual void populateLogModel() override;
};

class VUSBLogFilesModel : public VLogFilesModel
{
public:
    explicit VUSBLogFilesModel(QAbstractListModel *parent = nullptr);
protected:
    virtual void initConnections() override;
    virtual void updateModelOnDirChange(const QString &vDirectory) override;

private:
    virtual void populateLogModel() override;
};
}