/*!
 *
 * Copyright (c) 2021-2024 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    RxProfiles.cpp
 * \author  (last)      Behrouz NematiPour
 * \date    (last)      13-Mar-2024
 * \author  (original)  Behrouz NematiPour
 * \date    (original)  04-May-2021
 *
 */
#include "RxProfilesController.h"

// Qt
#include <QtConcurrent>

// Project
#include "StorageGlobals.h"
#include "FileHandler.h"
#include "ApplicationController.h"
#include "Logger.h"
#include "Settings.h"
#include "DeviceController.h"
#include "MRxProfilesData.h"

using namespace Storage;

#define NONE   "N/A"
#define FLOAT3 0,'f',3
#define ADDTITLE(vTITLE) logContent += QString("[%1]\n").arg(vTITLE)
#define ADDALINE(vTEXT ) logContent += QString("%1\n"  ).arg(vTEXT )

//#define ADDTOLOG(   vINDEX         ) index = vINDEX; logContent += title(index) + _sep + value(index) + _sep + unit(index) + "\n";
#define ADDTOLOG_MT(vINDEX, vVALUE, vTITLES )                                                    \
                        logContent += vTITLES[vINDEX] + _equal +    \
                        "\"" + (   vVALUE[vINDEX].toString()  ) + "\"\n";

/*!
 * \brief RxProfiles::RxProfiles
 * The constructor to initial the Treatment Log
 * \param parent
 */
RxProfiles::RxProfiles(QObject *parent) : QObject(parent) {
    initConnections();
}


/*! \brief   Connection Initializer
    \details All the class signal/slot connections are defined here.
*/
void RxProfiles::initConnections() {

    connect(&_exportWatcher , SIGNAL(finished()),
            this            ,   SLOT(onExport()));

    connect(&_saveWatcher   , SIGNAL(finished()),
            this            ,   SLOT(onSave  ()));

    connect(&_importWatcher , SIGNAL(finished()),
            this            ,   SLOT(onImport()));

    connect(&_DeviceController  , SIGNAL(didReadFilesList(const QFileInfoList &)),
            this                , SLOT(onReceieveRxProfileList(const QFileInfoList &)));
}

void RxProfiles::doInitRxProfiles()
{
    emit    didFilesList(rxProfilesPath(), { QString("*.%1").arg(_rxProfiles) });
}

void RxProfiles::doDeleteRxProfile(QString vRxProfileName)
{
    qDebug() <<vRxProfileName ;
    bool ok;
    QString fileName   = QString("%1%2.%3").arg(_rxProfilesPath,
                                              vRxProfileName,
                                              _rxProfiles);
    fileName.replace(" ", _underscore);
    ok = QFile::remove(fileName);
    if ( ! ok ) { LOG_DEBUG(QString("Cannot remove rx Profile %1").arg(fileName    )); }

    if (ok) {doInitRxProfiles();}

}

QString RxProfiles::rxProfilesPath()
{
    if(_rxProfilesPath.trimmed().isEmpty()){
        _rxProfilesPath = QString("%1%2")
                              .arg(Storage::Rx_Folder_Base             )  // TODO: Adjust to be real base path for RX
                              .arg(Storage::Rx_Folder_Profiles         );
    }

    LOG_DEBUG(QString("Rx Profile folder has been set to %1"         ).arg(_rxProfilesPath          ));

    return _rxProfilesPath;
}


RxProfilesData RxProfiles::initModel(const QFileInfo &rxProfile)
{
    RxProfilesData rxData;
    QSettings rxSettings(rxProfile.absoluteFilePath(), QSettings::IniFormat);
    for (int i = 0; i < Model::RxProfilesIndex::eRxContentIndexCount; i++){
        QString rxTitle = Model::MRxProfilesData::titles()[i];
        if ( rxSettings.contains(rxTitle) )
        {
            rxData.rxProfileContent.append(rxSettings.value(rxTitle).toString());
        } else goto lError;
    }
    //Order of the below does matter to match the enum index
    rxData.rxProfileContent.append(rxProfile.baseName().replace(_underscore, " "));             //eProfileName
    rxData.rxProfileContent.append("false");
    rxData.rxProfileContent.append(rxProfile.lastModified().date().toString("MM-dd-yyyy"));
    rxData.rxProfileContent.append(rxProfile.lastModified().date().toString("MM-dd-yyyy")); // TODO: Replace with recently used date

lError:
    return rxData;
}


// ----- Save
/*!
 * \brief RxProfiles::doSave
 * The save slot to be exposed to the UI to be able to request for save
 */
void RxProfiles::doSave()
{
    if (_saveWatcher.isRunning()) return;
    isIdle(false);
    saveLogConcurrent();
}

/*!
 * \brief RxProfiles::saveLogConcurrent
 * The treatment log save which is using a thread pool to run the save process.
 */
void RxProfiles::saveLogConcurrent()
{
    LOG_DEBUG("Save Treatment Log Started");
    QFuture<bool> mFuture = QtConcurrent::run(this, &RxProfiles::saveLog);
    _saveWatcher.setFuture(mFuture);
}

/*!
 * \brief RxProfiles::saveLog
 * The actual treatment log save function which does the save into the Prescription log
 * \return true on successful save and false otherwise.
 */
bool RxProfiles::saveLog()
{
    bool ok ;

    QString logContent                           ;
    if (vPreviousRxProfileName != ""){
            QString fileName   = QString("%1%2.%3").arg(_rxProfilesPath,
                                                      vPreviousRxProfileName,
                                                      _rxProfiles);
            fileName.replace(" ", _underscore);

            QFile::remove(fileName);
            clearPreviousRxProfileName();
    }
    if (vRxProfileHash[Model::RxProfilesIndex::eProfileName].toString() == ""){LOG_DEBUG("Profile Name cannot be empty"); return false;}
    QString fileName   = QString("%1%2.%3").arg(_rxProfilesPath,
                                                vRxProfileHash[Model::RxProfilesIndex::eProfileName].toString(),
                                                _rxProfiles);
    fileName.replace(" ", _underscore);

    ADDTOLOG_MT( Model::RxProfilesIndex::eBloodFlowRate               , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eDialysateFlowRate           , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eTreatmentDuration           , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eAcidConcentrateType         , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eBicarbonateConcentrateType  , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eDialysateTemperature        , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eDialyzerType                , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eHeparinConcentration        , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eHeparinBolusVolume          , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eHeparinDispenseRate         , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eHeparinStop                 , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eSalineVolume                , vRxProfileHash  , Model::MRxProfilesData::titles()    );
    ADDTOLOG_MT( Model::RxProfilesIndex::eVitalSigns                  , vRxProfileHash  , Model::MRxProfilesData::titles()    );

//    qDebug() << "WRITING FILE: " <<fileName;
//    qDebug() << logContent;
    ok = Storage::FileHandler::makeFolder(_rxProfilesPath);
    if ( ! ok ) { LOG_DEBUG(QString("Cannot create folder %1").arg(_rxProfilesPath    )); return ok; }
    ok = Storage::FileHandler::write(fileName, logContent, false);
    if ( ! ok ) { LOG_DEBUG(QString("Cannot write to RX Profile %1").arg(fileName)); return ok; }
    vRxProfileHash.clear();
    return ok;
}

/*!
 * \brief RxProfiles::onSave
 * The private save slot which is called after the save process is finished saving.
 */
void RxProfiles::onSave()
{
    bool ok = _saveWatcher.result();
    LOG_DEBUG(QString("Save PresciptionLog Log Ended: %1").arg(ok));
    //Signal the model has been updated and check output of result.
    if (ok) {doInitRxProfiles();}
    //Maken a error enum in the header (folder cannot write, cannot write to file due to same name, etc.)
    isIdle(true);
}

// ----- Export
/*!
 * \brief RxProfiles::doExport
 * The export treatment log slot to be exposed to the UI to be able to request for the export.
 */
void RxProfiles::doExport()
{
    if (_exportWatcher.isRunning()) return;
    isIdle(false);
    exportLogConcurrent();
}

/*!
 * \brief RxProfiles::exportLogConcurrent
 * The treatment log export which is using a thread pool to run the save process.
 */
void RxProfiles::exportLogConcurrent()
{
    LOG_DEBUG("Export Prescription Log Started");
    QFuture<bool> mFuture = QtConcurrent::run(this, &RxProfiles::exportLog);
    _exportWatcher.setFuture(mFuture);
}

/*!
 * \brief   RxProfiles::exportLog
 * \details The actual treatment log export function which does the export of the treatment log into the USB drive.
 * \return  true on successful export.
 */
bool RxProfiles::exportLog()
{
    bool ok = true;
    QString status      = "";
    QString dstPath     = Storage::USB_Mount_Point           ;
            dstPath    += Storage::Rx_Folder_Profiles        ;
    QString srcFile     = "meow.txr"         ;//TODO: adjust for filename variable
    QString srcFileName = QFileInfo(srcFile).fileName() ;
    QString dstFile     = dstPath + srcFileName;
    // HERE: expose to the UI dialog as the rejection/notification result
    if ( ! Storage::FileHandler::makeFolder ( dstPath   ) ) { status = QString( "Couldn't create folder on USB drive to export TxLog"               ); ok = false; goto lOut; }
    if ( ! QFileInfo::exists                ( srcFile   ) ) { status = QString( "Prescription Log '%1' doesn't exist"    ).arg( srcFile                ); ok = false; goto lOut; }
    if (   QFileInfo::exists                ( dstFile   ) ) { status = QString( "Prescription Log '%1' already exists"   ).arg( dstFile                ); ok = false; goto lOut; }
    if ( ! QFile::copy  (srcFile, dstFile               ) ) { status = QString( "Unable to Export RxLog '%1' to '%2'" ).arg( srcFile ).arg( dstFile ); ok = false; goto lOut; }

lOut:
    if ( ! ok                                           )   {
        LOG_DEBUG(status);  // The log debug order in this block is by design
        status = "Unable to export Prescription log '" + srcFileName +"'";
    }
    else                                                    {
        status = "Prescription log '" + srcFileName + "' exported successfully";
        LOG_APPED_UI(status);
    }

    emit didNotification(status);
    return ok;
}

/*!
 * \brief RxProfiles::onExport
 * The private export slot which is called after the export process is finished exporting.
 */
void RxProfiles::onExport()
{
    LOG_DEBUG(QString("Export Prescription Log Ended: %1").arg(_exportWatcher.result()));
    isIdle(true);
}


// ----- Import
/*!
 * \brief RxProfiles::doImport
 * The export treatment log slot to be exposed to the UI to be able to request for the import.
 */
void RxProfiles::doImport()
{
    if (_importWatcher.isRunning()) return;
    isIdle(false);
    importLogConcurrent();
}

/*!
 * \brief RxProfiles::importLogConcurrent
 * The treatment log import which is using a thread pool to run the save process.
 */
void RxProfiles::importLogConcurrent()
{
    LOG_DEBUG("Import Prescription Log Started");
    QFuture<bool> mFuture = QtConcurrent::run(this, &RxProfiles::importLog);
    _importWatcher.setFuture(mFuture);
}

/*!
 * \brief   RxProfiles::importLog
 * \details The actual treatment log import function which does the import of the treatment log into the USB drive.
 * \return  true on successful import.
 */
bool RxProfiles::importLog()
{
    bool ok = true;
//    QString srcFile     = Storage::USB_Mount_Point + Storage::Log_Folder_Rx;
//    QString dstPath     = _rxProfilesPath      ;
//    QString status      = "";
    // TODO: implement import
    return ok;
}

/*!
 * \brief RxProfiles::onImport
 * The private import slot which is called after the import process is finished importing.
 */
void RxProfiles::onImport()
{
    LOG_DEBUG(QString("Import Prescription Log Ended: %1").arg(_exportWatcher.result()));
    isIdle(true);
}

void RxProfiles::onReceieveRxProfileList(const QFileInfoList &vRxProfileList)
{
    QList<RxProfilesData> vRxProfileDataList;
    for (const QFileInfo fileInfo:vRxProfileList){
        RxProfilesData rxData = initModel(fileInfo) ;
        if (rxData.rxProfileContent.size() == Model::RxProfilesIndex::eRxProfilesIndexCount )
        {
            vRxProfileDataList.append(rxData);
        }
        else LOG_DEBUG(QString("Bad Prescription Log Given: %1, %2").arg(fileInfo.baseName(),
                                                                            QString::number( rxData.rxProfileContent.size() )));
    }
    emit didRxProfileList(vRxProfileDataList);
}