/*
 * Copyright (C) EdgeTX
 *
 * Based on code named
 *   opentx - https://github.com/opentx/opentx
 *   th9x - http://code.google.com/p/th9x
 *   er9x - http://code.google.com/p/er9x
 *   gruvin9x - http://code.google.com/p/gruvin9x
 *
 * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include "gvardata.h"
#include "radiodata.h"
#include "compounditemmodels.h"

QString GVarData::unitToString() const
{
  return unitToString(unit);
}

QString GVarData::unitToString(int val)
{
  switch (val) {
    case GVAR_UNIT_NUMBER:
      return tr("");
    case GVAR_UNIT_PERCENT:
      return tr("%");
    default:
      return tr("?");  //  highlight unknown value
  }
}

QString GVarData::precToString() const
{
  return precToString(prec);
}

QString GVarData::precToString(int val)
{
  switch (val) {
    case GVAR_PREC_MUL10:
      return tr("0._");
    case GVAR_PREC_MUL1:
      return tr("0.0");
    default:
      return tr("?.?");  //  highlight unknown value
  }
}

QString GVarData::nameToString(int index) const
{
  return RadioData::getElementName(tr("GV"), index + 1, name);
}

int GVarData::multiplierSet()
{
  return (prec == 0 ? 1 : 10);
}

float GVarData::multiplierGet() const
{
  return (prec == 0 ? 1 : 0.1);
}

void GVarData::setMin(float val)
{
  min = (val * multiplierSet()) - GVAR_MIN_VALUE;
}

void GVarData::setMax(float val)
{
  max = GVAR_MAX_VALUE - (val * multiplierSet());
}

int GVarData::getMin() const
{
  return GVAR_MIN_VALUE + min;
}

int GVarData::getMax() const
{
  return GVAR_MAX_VALUE - max;
}

float GVarData::getMinPrec() const
{
  return getMin() * multiplierGet();
}

float GVarData::getMaxPrec() const
{
  return getMax() * multiplierGet();
}

bool GVarData::isEmpty() const
{
  return (name[0] == '\0' && min == 0 && max == 0 && (!popup) && prec == 0 && unit == 0);
}

AbstractStaticItemModel * GVarData::precItemModel()
{
  AbstractStaticItemModel * mdl = new AbstractStaticItemModel();
  mdl->setName(AIM_GVARDATA_UNIT);

  for (int i = 0; i < GVAR_PREC_COUNT; i++) {
    mdl->appendToItemList(precToString(i), i);
  }

  mdl->loadItemList();
  return mdl;
}

AbstractStaticItemModel * GVarData::unitItemModel()
{
  AbstractStaticItemModel * mdl = new AbstractStaticItemModel();
  mdl->setName(AIM_GVARDATA_UNIT);

  for (int i = 0; i < GVAR_UNIT_COUNT; i++) {
    mdl->appendToItemList(unitToString(i), i);
  }

  mdl->loadItemList();
  return mdl;
}

QDataStream &operator<<(QDataStream &out, const GVarData &data) {
  QByteArray name(data.name);
  name.resize(sizeof(data.name));
  out << name << data.min << data.max << data.prec << data.unit;
  return out;
}

QDataStream &operator>>(QDataStream &in, GVarData &data) {
  QByteArray name;
  name.resize(sizeof(data.name));
  in >> name >> data.min  >> data.max >> data.prec >> data.unit;
  memcpy(data.name, name.constData(), sizeof(data.name));
  return in;
}