/*!
 *
 * 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    DriveWatcher.cpp
 * \author  (last)      Behrouz NematiPour
 * \date    (last)      16-Oct-2020
 * \author  (original)  Behrouz NematiPour
 * \date    (original)  17-Jul-2020
 *
 */

// Qt
#include <QFileInfo>
#include <QStorageInfo>
#include <QSettings>

// Project
#include "StorageGlobals.h"
#include "FileHandler.h"
#include "MSettings.h"
#include "Logger.h"

// namespace
using namespace Storage;

#include "Settings.h"

bool Settings::isValid(const QString &vSettingFile)
{
    if (! QFileInfo::exists(vSettingFile)) {
        LOG_DEBUG("Setting file " + vSettingFile + " does not exist.");
        return false;
    }
    return true;
}

/*!
 * \brief   Settings::doRead - reads all the configuration files in the home folder
 * \details
 */
int Settings::read()
{
    PRINT_THREAD_NAME
    QStringList     fileFilter      = QStringList() << QString("*.%1").arg(_settingsExt);
    QFileInfoList   settingFiles    = FileHandler::find      (Storage::Settings_Path_Name, fileFilter);
    QStringList     settingFolders  = FileHandler::subFolders(Storage::Settings_Path_Name);
    for ( QString &settingFolder : settingFolders ) {
        QString folder = settingFolder.prepend(Storage::Settings_Path_Name);
        settingFiles += FileHandler::find(folder, fileFilter);
    }
    for (const auto &settingFile: settingFiles) {
        if (! isValid(settingFile.absoluteFilePath())) continue;

        QFile file(settingFile.absoluteFilePath());
        if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
            QString group = "";
            while (!file.atEnd()) {
                QString line = file.readLine().replace('\n',"");
                if (line.contains("[")) {
                    line.replace("[","").replace("]", "");
                    group = line.trimmed();
                }
                else {
                    if (group.isEmpty()) {
                        continue;
                    }
                    else {
                        if (line.contains('=')) {
                            QStringList keyValue = line.split('=');
                            QString key     = keyValue[0].trimmed();
                            QString value   = keyValue[1].trimmed();
                            QString location= settingFile.absolutePath().prepend("/") + "/";
                            qDebug() << group << key << location + value;
                            _SettingModel.add(group, key, QVariant(value), location);
                        }
                    }
                }
            }
        }

        // QSettings settings(settingFile.absoluteFilePath(), QSettings::IniFormat);
        // for (const auto &group : settings.childGroups()) {
        //     settings.beginGroup(group);
        //     for (const auto &key: settings.allKeys()) {
        //         qDebug() << group << key << settingFile.absolutePath().prepend("/") + "/" + settings.value(key).toString();
        //         _SettingModel.add(group, key, settings.value(key).toString(), settingFile.absolutePath().prepend("/") + "/");
        //     }
        //     settings.endGroup();
        // }

    }
    qDebug() << " ----- " << "DONE";
    return 0;
}