/***************************************************************************

 BionxControl
 Copyright © 2025 christoph holzheuer
 christoph.holzheuer@gmail.com

 Using:

 BigXionFlasher USB V 0.2.4 rev. 97
 © 2011-2013 by Thomas Koenig <info@bigxionflasher.org>
 @see www.bigxionflasher.org

 Bionx Bike Info
 © 2018 Thorsten Schmidt (tschmidt@ts-soft.de)
 @see www.ts-soft.de

 mhs_can_drv.c 3.00
 © 2011 - 2015 by MHS-Elektronik GmbH & Co. KG, Germany
 Demlehner Klaus, info@mhs-elektronik.de
 @see www.mhs-elektronik.de

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.
 @see https://github.com/bikemike/bionx-bikeinfo

 ***************************************************************************/




#include <QFile>
#include <QFileDialog>
#include <QTableView>

#include <QVBoxLayout>
#include <QPushButton>
#include <QMessageBox>
#include <QHeaderView>
#include <QStatusBar>
#include <bcvaluemanager.h>


using namespace Qt::StringLiterals;


BCValueManager::BCValueManager()
{

}




BCValueManager::~BCValueManager()
{
  // nothing to do here for now,
  // our models are autokilled.
}

void BCValueManager::loadXml()
{
  auto printAttrs = [](const QXmlStreamReader& xml)
  {
    QStringList parts;
    for (const auto &attr : xml.attributes()) {
      parts << attr.name().toString() + "=\"" + attr.value().toString() + "\"";
    }
    qDebug().noquote() << parts.join(" ");
  };
  /*
  QString fileName = QFileDialog::getOpenFileName(this, "XML öffnen", "", "XML Files (*.xml)");
  if (fileName.isEmpty())
    return;
  */

  QFile file(":/bikeinfo.xml");
  if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
  {
    // __fix throw
    QMessageBox::warning(nullptr, "Fehler", "Datei konnte nicht geöffnet werden.");
    return;
  }

  _xml.setDevice(&file);

  if (_xml.readNextStartElement())
  {
    if (_xml.name() != "Bike"_L1 )
      // fix throw
      _xml.raiseError(QObject::tr("The file is not an 'Bike' file."));
  }
  // ??
  Q_ASSERT(_xml.isStartElement() && _xml.name() == "Bike"_L1);


  while (!_xml.atEnd() && !_xml.hasError())
  {
    QXmlStreamReader::TokenType token = _xml.readNext();
    if (token == QXmlStreamReader::StartElement)
    {
      qDebug() << " --- Device: " << _xml.name() << ": " << _xml.attributes().value("Type"_L1);
      printAttrs (_xml);
      const char* deviceKey = _xml.attributes().value("Type"_L1).toLatin1().constData();
      auto deviceID = _bcDeviceEnum.keyToValue64(deviceKey);
      //_currentDeviceID = BCDevice::ID( deviceID.value_or( BCDevice::ID::Invalid ) );
      _currentDeviceID = deviceID.has_value() ? BCDevice::ID( deviceID.value() ) : BCDevice::ID::Invalid;
      readDevice();
    }
  }

  /*
  if (xml.hasError())
  {
    QMessageBox::critical(nullptr, "Parsing Fehler", xml.errorString());
  }
  else
  {
    m_model->setDevices(parsedValues);
  }
  */

  // create & add new model to the model map

}

void BCValueManager::readDevice()
{
  auto printAttrs = [](const QXmlStreamReader& xml)
  {
    QStringList parts;
    for (const auto &attr : xml.attributes()) {
      parts << attr.name().toString() + "=\"" + attr.value().toString() + "\"";
    }
    qDebug().noquote() << parts.join(" ");
  };

   printAttrs (_xml);
  Q_ASSERT(_xml.isStartElement() && _xml.name() == "Device"_L1);
   qDebug() << " ---------------";

  BCValueList parsedValues;

  //while (!_xml.atEnd() && !_xml.hasError())
  while( _xml.readNextStartElement() )
  {
    const char* key = _xml.attributes().value("I##D"_L1).toLatin1().constData();
    qDebug() << " --- blub: " << _xml.name() << " : " << key  << ":" <<_xml.attributes().value("ID"_L1);
    if(key)
      makeValue(parsedValues);
    else
      qDebug() << " --- fitz";

    //printAttrs (_xml);
   _xml.skipCurrentElement();
    /*
    if (token == QXmlStreamReader::StartElement )
    {
       qDebug() << " --- moo: " << _xml.name();
      //Q_ASSERT(_xml.name() == "Value"_L1);
      //makeValue();
      //d.name = xml.attributes().value(u"name")
    }
    */
  }

  //qDebug()xml.attributes().value(u"name").toString();
  /*
        Device d;
        d.name = xml.attributes().value(u"name").toString();
        d.ip = xml.attributes().value(u"ip").toString();
        parsedValues.append(d);
      */

}

void BCValueManager::makeValue(BCValueList& parsedValues)
{
  // ID='Cons_Stat_Dist_Hi' Default='' Current='' Enabled='true' UnitType='mm' Factor='0.1' Min Max
  const char* ID = _xml.attributes().value("firz"_L1).toLatin1().constData();
  auto enumVal = _bcValueEnum.keyToValue64( ID);
  if( enumVal.has_value() )
  {

  }
}

       // --- NEU: Speichern mit QXmlStreamWriter ---
void BCValueManager::saveXml()
{
  /*
  QString fileName = QFileDialog::getSaveFileName(this, "XML speichern", "", "XML Files (*.xml)");
  if (fileName.isEmpty()) return;

  QFile file(fileName);
  if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
      QMessageBox::warning(this, "Fehler", "Datei konnte nicht zum Schreiben geöffnet werden.");
      return;
    }

  QXmlStreamWriter xml(&file);
  xml.setAutoFormatting(true); // Sorgt für schöne Einrückungen (Tabs/Spaces)
  xml.writeStartDocument();
  xml.writeStartElement("devices");

         // Daten vom Model holen
  const QList<Device> &devices = m_model->getDevices();

  for (const Device &d : devices) {
      xml.writeStartElement("device");
      xml.writeAttribute("name", d.name);
      xml.writeAttribute("ip", d.ip);
      xml.writeEndElement(); // </device>
    }

  xml.writeEndElement(); // </devices>
  xml.writeEndDocument();

         // Prüfen ob alles geschrieben wurde
  if (file.error() != QFile::NoError) {
      QMessageBox::critical(this, "Fehler", "Fehler beim Schreiben der Datei.");
    } else {
      statusBar()->showMessage("Datei erfolgreich gespeichert!", 3000);
    }
 */
}