#include "cnr_frequency_planning_helper.h"
#include <AudioVideoManagement/avm_translation.h>
#include <QJsonObject>
#include <QJsonArray>
#include <QSet>
#include <QVector>
// Todo: Better tr() ?
#include <QCoreApplication>

namespace AudioVideoManagement {

template<typename T>
T fromJson(const QByteArray &json)
{
  QJsonParseError jError;
  QJsonDocument doc(QJsonDocument::fromJson(json, &jError));
  if (jError.error)
    return {};
  QJsonObject obj = doc.object();
  return T::fromJson(obj);
}

// Todo:

//
// FreqPlanningDataSet ist nur noch ein pro FreqPlanningData vorhanden. Also integrieren in die Relation.
// DB und DDS Typen anpassen
// Die Properties einer FreqPlanningData(Set) sind  ein Array (REL) (VHF/UHF/HF)
// wie in der Methode unter diesem Kommentar (bei dem die RadioSpecificaJSON schon mit rein geht!),
// siehe avm_edit_frequency_planning_resource_dialog.cpp:120
// Aus dieser einen Zeile müssen dann im Übersichtsdialog entweder ein Eintrag oder (mindestens) 3 Einträge (REL) gemacht werden.
// Die RadioSpecificaHelper also um Hilfsmethoden erweitern, damit man passende Objekte bekommt.
// Vielleicht die drei items Name, FreqBand, RadioStation ID gleich mit in die Specifica, bzw. von was ableiten, dass das beinhaltet!

// Method to obtain all "FrequencySetDataId" from an QJsonObject
QJsonObject frequencyPlanningJson(QJsonObject obj, const QString &name, FrequencyBand freqBand, int radioStationId)
{
  obj.insert(QStringLiteral("Name"), name);
  obj.insert(QStringLiteral("FrequencyBand"), freqBand.underlying());
  obj.insert(QStringLiteral("RadioStationId"), radioStationId);
  return obj;
}

bool RadioCircuitHF::isValid() const
{
  if ((modulationType != ModulationType::AM && modulationType != ModulationType::FM) ||
      (channelSpacing != ChannelSpacingHF::CS_100_Hz) ||
      frequency < FREQ_MIN || frequency > FREQ_MAX ||
      squelch < (SQUELCH_MIN-1)  || squelch > SQUELCH_MAX
      )
    return false;
  return true;
}

QJsonObject RadioCircuitHF::toJson() const
{
  QJsonObject obj;
  obj.insert(QStringLiteral("ModulationType"), modulationType.underlying());
  obj.insert(QStringLiteral("ChannelSpacing"), channelSpacing.underlying());
  obj.insert(QStringLiteral("Frequency"), frequency);
  obj.insert(QStringLiteral("Squelch"), squelch);

  return obj;
}

RadioCircuitHF* RadioCircuitHF::fromJson(const QJsonObject &obj)
{
  RadioCircuitHF *spec = new RadioCircuitHF();
  spec->modulationType = static_cast<ModulationType::inner_enum>(obj.value(QStringLiteral("ModulationType")).toInt(-1));
  spec->channelSpacing = static_cast<ChannelSpacingHF::inner_enum>(obj.value(QStringLiteral("ChannelSpacing")).toInt());
  spec->frequency = obj.value(QStringLiteral("Frequency")).toInt();
  spec->squelch = obj.value(QStringLiteral("Squelch")).toInt(-1);
  if (spec->isValid())
    return spec;
  return nullptr;
}


bool RadioCircuitUHF::isValid() const
{
  if ((modulationType != ModulationType::AM && modulationType != ModulationType::FM) ||
      (channelSpacing != ChannelSpacing::CS_8_33_kHz && channelSpacing != ChannelSpacing::CS_12_50_kHz && channelSpacing != ChannelSpacing::CS_25_00_kHz) ||
      frequency < FREQ_MIN || frequency > FREQ_MAX ||
      ((squelchDB < SQUELCH_MIN  || squelchDB > SQUELCH_MAX) && squelchDB != 0) // 0 or Min <squelch < max
     )
    return false;
  return true;
}

QJsonObject RadioCircuitUHF::toJson() const
{
  QJsonObject obj;
  obj.insert(QStringLiteral("ModulationType"), modulationType.underlying());
  obj.insert(QStringLiteral("ChannelSpacing"), channelSpacing.underlying());
  obj.insert(QStringLiteral("Frequency"), frequency);
  obj.insert(QStringLiteral("Squelch"), squelchDB);
  obj.insert(QStringLiteral("Clipper"), clipper);
  obj.insert(QStringLiteral("AGC"), agc);

  return obj;
}

RadioCircuitUHF* RadioCircuitUHF::fromJson(const QJsonObject &obj)
{
  RadioCircuitUHF *spec = new RadioCircuitUHF();
  spec->modulationType = static_cast<ModulationType::inner_enum>(obj.value(QStringLiteral("ModulationType")).toInt(-1));
  spec->channelSpacing = static_cast<ChannelSpacing::inner_enum>(obj.value(QStringLiteral("ChannelSpacing")).toInt());
  spec->frequency = obj.value(QStringLiteral("Frequency")).toInt();
  spec->squelchDB = obj.value(QStringLiteral("Squelch")).toInt(-1);
  auto clipper = obj.value(QStringLiteral("Clipper"));
  if (clipper.isUndefined() || !clipper.isBool())
    return nullptr;
  spec->clipper = clipper.toBool();
  auto agc = obj.value(QStringLiteral("AGC"));
  if (agc.isUndefined() || !agc.isBool())
    return {};
  spec->agc = agc.toBool();

  if (spec->isValid())
    return spec;
  return nullptr;
}

QJsonObject RadioCircuitVHF::toJson() const
{
  QJsonObject obj;
  obj.insert(QStringLiteral("OperatingMode"), operatingMode.underlying());
  obj.insert(QStringLiteral("FrequencySetDataId"), freqSetDataId);
  obj.insert(QStringLiteral("PilotTone"), pilotTone);

  return obj;
}

RadioCircuitVHF* RadioCircuitVHF::fromJson(const QJsonObject &obj)
{
  RadioCircuitVHF *spec = new RadioCircuitVHF();
  spec->operatingMode = static_cast<RcOperatingMode::inner_enum>(obj.value(QStringLiteral("OperatingMode")).toInt(-1));
  spec->freqSetDataId = obj.value(QStringLiteral("FrequencySetDataId")).toInt();
  auto pilotTone = obj.value(QStringLiteral("PilotTone"));
  if (pilotTone.isUndefined() || !pilotTone.isBool())
    return nullptr;
  spec->pilotTone = pilotTone.toBool();

  if (spec->isValid())
    return spec;
  return nullptr;
}

QString RadioCircuitHF::toString() const
{

  return QCoreApplication::translate("AVM", "Frequency: %1, ModulationType: %2, ChannelSpacing: %3, Squelch: %4")
      .arg(frequency)
      .arg(AudioVideoManagement::toString(modulationType))
      .arg(100)
      .arg(squelch);
}

QString RadioCircuitUHF::toString() const
{
  return QCoreApplication::translate("AVM", "Frequency: %1, ModulationType: %2, ChannelSpacing: %3, Squelch: %4, Clipper: %5, AGC: %6")
      .arg(frequency)
      .arg(AudioVideoManagement::toString(modulationType))
      .arg(AudioVideoManagement::toString(channelSpacing))
      .arg(squelchDB)
      .arg(clipper)
      .arg(agc);
}

QString RadioCircuitVHF::toString() const
{
  return QCoreApplication::translate("AVM", "OperatingMode: %1, PilotTone: %2")
      .arg(AudioVideoManagement::toString(operatingMode))
      .arg(pilotTone);
}

QVector<RadioCircuit*> fromJson(const std::string &json)
{
  QVector<RadioCircuit*> vec;
  QJsonParseError err;
  QJsonDocument doc = QJsonDocument::fromJson(QByteArray::fromStdString(json), &err);

  if(err.error != QJsonParseError::NoError)
    return {};

  QJsonArray arr = doc.object().value(QStringLiteral("subCircuits")).toArray();

  // Todo? Check if values are correctly filled and values are present...
  // maybe VHF is missing a frequencysetid : show ErrorMessage?
  for(const QJsonValue &val : qAsConst(arr))
  {
    RadioCircuit *rc = nullptr;
    const QJsonObject obj = val.toObject();
    FrequencyBand ft = static_cast<FrequencyBand::inner_enum>(obj[QStringLiteral("FrequencyBand")].toInt());
    switch (ft.underlying())
    {
    case FrequencyBand_def::HF:
      rc = RadioCircuitHF::fromJson(obj);
      break;
    case FrequencyBand_def::UHF:
      rc = RadioCircuitUHF::fromJson(obj);
      break;
    case FrequencyBand_def::VHF:
      rc = RadioCircuitVHF::fromJson(obj);
      break;
    case FrequencyBand_def::REL:
    default:
      break;
    }
    if(rc)
    {
      rc->freqBand = ft;
      rc->name = obj[QStringLiteral("Name")].toString();
      rc->radioStationId = obj[QStringLiteral("RadioStationId")].toInt();
      vec << rc;
    }
  }
  return vec;
}

QSet<int> frequencySetDataIds(const std::string &frequencyPlanDataProperties)
{
  QSet<int> set;
  QJsonParseError err;
  QJsonDocument doc = QJsonDocument::fromJson(QByteArray::fromStdString(frequencyPlanDataProperties), &err);

  if(err.error != QJsonParseError::NoError)
    return {};

  QJsonArray arr = doc.object().value(QStringLiteral("subCircuits")).toArray();

  // Todo? Check if values are correctly filled and values are present...
  for(const QJsonValue &val : qAsConst(arr))
  {
    const QJsonObject obj = val.toObject();
    FrequencyBand ft = static_cast<FrequencyBand::inner_enum>(obj[QStringLiteral("FrequencyBand")].toInt());
    switch (ft.underlying())
    {
    case FrequencyBand_def::VHF:
    {
      RadioCircuitVHF *rcVhf = RadioCircuitVHF::fromJson(obj);
      if(!rcVhf)
        break;
      set << rcVhf->frequencySetDataId();
      delete rcVhf;
      break;
    }
    case FrequencyBand_def::UHF:
    case FrequencyBand_def::HF:
    default:
      break;
    }
  }
  return set;
}

bool isReadOnly(const std::string &frequencyPlanDataProperties)
{
  QJsonParseError err;
  QJsonDocument doc = QJsonDocument::fromJson(QByteArray::fromStdString(frequencyPlanDataProperties), &err);

  if(err.error != QJsonParseError::NoError)
    return false;

  return doc.object().value(QStringLiteral("readOnly")).toBool();
}

bool isAkwMode(RcOperatingMode mode)
{
  return mode == RcOperatingMode::AkwEncEccm || mode == RcOperatingMode::AkwEncNone;
}

} // AudioVideoManagement