BionxControl/bcvalue.cpp

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

  BionxControl
  © 2025 -2026 christoph holzheuer
  christoph.holzheuer@gmail.com

  Using:

  mhs_can_drv.c
  © 2011 - 2023 by MHS-Elektronik GmbH & Co. KG, Germany
  Klaus Demlehner, klaus@mhs-elektronik.de
  @see www.mhs-elektronik.de

  Based on Bionx data type descriptions from:

  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

  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 <QMetaEnum>
#include <QTextStream>

#include <bcvalue.h>


///-------------------------------


BCValue::BCValue( BCDevice::ID deviceID_, BC::ID registerID_)
  : _deviceID{deviceID_}, _registerID{registerID_}
{

}

QString BCValue::formatValue() const
{
  if( _factor == 1 )
    return QString::number( _rawValue );

  double result =_rawValue * _factor;
  return QString::number(result, 'f', 2);
}

bool BCValue::isWord() const
{
  return _valueFlags.testFlag(BCValue::Flag::IsWord);
}

bool BCValue::isReadOnly() const
{
  return _valueFlags.testFlag(BCValue::Flag::ReadOnly);
}

bool BCValue::testFlag( BCValue::Flag flag ) const
{
  return _valueFlags.testFlag( flag );
}


void BCValue::setFlag( BCValue::Flag flag, bool state) const
{
  _valueFlags.setFlag( flag, state );
}


BCDevice::ID BCValue::deviceID() const noexcept
{
  return _deviceID;
}

BC::ID BCValue::registerID() const noexcept
{
  return _registerID;
}

uint32_t BCValue::rawValue() const noexcept
{
  return _rawValue;
}

/**
 * @brief Speichert einen via CAN-Bus gelesenen Wert in
 * der BCValue Struktur.
 */

void BCValue::setRawValue(uint32_t newRawValue) const
{
  // die per Zufallsgenerator erzeugten Werte des Dummy-Treibers
  // können beliebigen Unsinn enthalten, also müssen wir sie
  // auch skalieren.

  if( _valueType == ValueType::Bool )
  {
     _rawValue  = newRawValue > 0 ? 1 : 0;
    return;
  }

  double value = newRawValue * _factor;

  if( _optMin.has_value() && _optMax.has_value() )
  {

    double min = _optMin.value();
    double max = _optMax.value();

    value = (int) qBound( min,value, max);
  }

  _rawValue = value / _factor;
}


BCValue::ValueType BCValue::valueType() const noexcept
{
  return _valueType;
}


int BCValue::indexRow() const noexcept
{
  return _indexRow;
}

void BCValue::setIndexRow(int newIndexRow)
{
  _indexRow = newIndexRow;
}

QString BCValue::label() const
{
  return _label;
}

QString BCValue::unitLabel() const
{
  return _unitLabel;
}

void BCValue::setFromDouble( double value )
{
  //if( _isReadOnly)
  switch(_valueType)
  {

    // wir betrachten plain

    case ValueType::Bool :
      _rawValue  = value > 0 ? 1 : 0;
      break;

    case ValueType::Plain :
    case ValueType::Number:
    case ValueType::Float:

      if( _optMin.has_value() && _optMax.has_value() )
      {

        double min = _optMin.value();
        double max = _optMax.value();

        value = qBound( min,value,max);
      }
      _rawValue  = value / _factor;

    default :
      break;
  }


}

double BCValue::calcMinMaxRatio() const
{

  double ratio = 1;

  if( _optMin.has_value() && _optMax.has_value() )
  {

    double min = _optMin.value();
    double max = _optMax.value();

    double range = max - min;

    // Safety: Division durch Null verhindern (wenn min == max)
    if (std::abs(range) < 1e-9)
      return ratio;

    double value = _rawValue * _factor;
    // Die eigentliche Formel
    ratio = ((value - min) / range);
  }
  return ratio;
}


bool BCValue::valuesForSlider(ValueRange& valueRange) const
{
  valueRange.value = valueRange.min = valueRange.max = 0;

  // min & max sind vorraussetzung für den slider
  if( !_optMin.has_value() || !_optMax.has_value() )
    return false;

  // wir erwarten hier, das value zwischen min
  // und max liegt weil wir das schon bei setRawValue
  // überprüft haben.

  valueRange.value = _rawValue * _factor;
  valueRange.min   = _optMin.value();
  valueRange.max   = _optMax.value();
  valueRange.ratio = calcMinMaxRatio();

  return true;

}


void BCValue::dumpValue() const
{

  qDebug() << "DeviceID: " << _deviceID << " Register: " << _registerID << " state:" " << state << " << " label: " << _label;
  qDebug() << "formattedValue: " << formatValue() << " min: " << _optMin << " max: " << _optMax << " factor: " << _factor  << " ValueType: " << (char)_valueType << " ";
  qDebug() << "indexRow: " << _indexRow << " isWord: " << isWord() << " isRO: " << isReadOnly();
  qDebug();

}

QString BCValue::toString() const
{
  QString result;
  QTextStream stream(&result);

  stream << *this;

  /*
  qDebug() << "DeviceID: " << _deviceID << " Register: " << _registerID << " state:" " << state << " << " label: " << _label;
  qDebug() << "formattedValue: " << formatValue() << " min: " << _optMin << " max: " << _optMax << " factor: " << _factor  << " ValueType: " << (char)_valueType << " ";
  qDebug() << "indexRow: " << _indexRow << " isWord: " << isWord() << " isRO: " << isReadOnly();
  qDebug();
  */

  return result;

}


// Generischer Operator für ALLE Q_GADGETs
inline QTextStream& operator<<(QTextStream& out, const BCValue& obj)
{
  const QMetaObject* meta = &obj.staticMetaObject;

  out << meta->className() << " { ";

  // Iteriere über alle Properties (Reflection)
  for (int i = 0; i < meta->propertyCount(); ++i) {
    QMetaProperty prop = meta->property(i);
    const char* propName = prop.name();
    QVariant val = prop.readOnGadget(&obj);

    out << propName << ": " << val.toString();

    if (i < meta->propertyCount() - 1) out << ", ";
  }
  out << " }";

  return out;
}