/**
*@RDE_HEADER@
* GUI Plugin for Building - Info
* $Id$
* $HeadURL$
* $Author$
* Created by hjl, SLSE, 2017-04-05
*/

#include "egcu_operational.h"
#include "ui_egcu_operational.h"
#include "bld_config_dialog.h"

// Lts
#include <LtsWidgets/lts_wait_dialog.h>

// DDS
#include <SituationMapPlugin/situation_map_gui_plugin_interface.h>
#include <InfrastructureManagement/ism_dtc.h>

// Qt
#include <QNetworkReply>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QEventLoop>
#include <QTimer>

namespace Buildings
{

EgcuOperationalDialog::EgcuOperationalDialog(int mountPointId, const QString &menuGroup, QWidget *parent)
  : InfoDialogBase(mountPointId, menuGroup, QStringLiteral("EgcuOperationalDialog"), LtsWidgets::ButtonCombination::OkApplyCancel, parent)
  , m_ui(new Ui::EgcuOperationalDialog)
  , m_mountPointId(mountPointId)
{
  m_ui->setupUi(this);

  m_ui->m_lblIcon->setPixmap(QPixmap(QStringLiteral(":/icons/svg/bgv_effect_generation_unit.svg")));

#ifndef LTS_DEBUG
  m_ui->lblAssetId->hide();
  m_ui->lbAssetId->hide();
  m_ui->lbStructElementId->hide();
#endif

  // Set default selection
  m_ui->r0->setChecked(false);

  m_stateTimer = new QTimer(this);
  connect(m_stateTimer, &QTimer::timeout, this, &EgcuOperationalDialog::onUpdateState);
  m_stateTimer->start(1000);

} // end of ctor()
//-----------------------------------------------------------------------------

EgcuOperationalDialog::~EgcuOperationalDialog()
{
  delete m_stateTimer;
  delete m_ui;
} // end of dtor()
//-----------------------------------------------------------------------------

void EgcuOperationalDialog::retranslate()
{
  translate(m_ui, tr("Effect Generation Unit"));

  m_ui->lbStatus->setText(QStringLiteral("<font color='orange'>%1</font>").arg(tr("Connecting...")));
}

bool EgcuOperationalDialog::init(LtsSession::LtsSession *session)
{
  if (!InfoDialogBase::init(session))
    return false;
  showBuildingInfos();
  connect(m_ismDtc.get(), &InfrastructureManagement::Interface::Dtc::instrumentationAssetChanged,
          this, &EgcuOperationalDialog::onInstrumentationAssetChanged);

  m_ismDtc->enableMountingPointAsset();

  auto cbMountPoint = [this](const InfrastructureManagement::MountingPointAsset & c)
  {
    onMountPointAssetChanged(c, DataModification::eAdded);
  };
  m_ismDtc->mountingPointAssets(cbMountPoint);

  m_ismDtc->enableInstrumentationAsset();

  auto cbInstrumentationAsset = [this](const InfrastructureManagement::InstrumentationAsset & c)
  {
    onInstrumentationAssetChanged(c, DataModification::eAdded);
  };
  m_ismDtc->instrumentationAssets(cbInstrumentationAsset);

  return true;
} // end of init()
//-----------------------------------------------------------------------------

void EgcuOperationalDialog::showBuildingInfos()
{
  Buildings::BuildingState bldState = m_dtc->buildingState(m_mseId);

  m_ui->lblAssetId->setText(QString::number(bldState.assetId()));
} // end of showBuildingInfos()
//-----------------------------------------------------------------------------

bool EgcuOperationalDialog::apply()
{
  int relay = 0;
  int state = 0;
  int pulse = 0;
  int repeat = 0;
  int delay = 0;
  if (m_ui->r0->isChecked())
    relay = 0;

  if (m_ui->r0->isChecked())
    state = 1;

  DEBUG_LOG(m_logger) << "Apply: relay = " << relay
                      << " state=" << state
                      << " pulse=" << pulse
                      << " repeat=" << repeat
                      << " delay=" << delay;

  QUrl url;
  QString request;
  if (state == 3)
  {
    request = QStringLiteral("http://%1/relay.php?state=%3").arg(m_host).arg(3);
  }
  else
  {
    request = QStringLiteral("http://%1/relay.php?number=%2&state=%3&pulse=%4&repeat=%5&delay=%6")
        .arg(m_host)
        .arg(relay)
        .arg(state)
        .arg(pulse)
        .arg(repeat)
        .arg(delay);
    DEBUG_LOG(m_logger) << "startRequest" << request;
  }
  url.setUrl(request);
  url.setUserName(m_user);
  url.setPassword(m_passwd);
  DEBUG_LOG(m_logger) << "startRequest: " << url.toString();

  QNetworkReply *reply = m_qnam.get(QNetworkRequest(url));
  {
    LtsWidgets::LtsWaitDialogContainer wait;
    QEventLoop loop;
    connect(reply, &QNetworkReply::finished,
            &loop, &QEventLoop::quit);
    loop.exec();
  }

  bool result = (reply->error() == QNetworkReply::NetworkError::NoError);

  if (!result)
    LtsWidgets::LtsMessageDialog::showMessage(this, tr("Cannot configure relays: %1").arg(reply->errorString()));

  reply->deleteLater();
  return result;
}

void EgcuOperationalDialog::startRequest(const QUrl &requestedUrl)
{
  DEBUG_LOG(m_logger) << "startRequest:" << requestedUrl.toString();
  m_httpRequestAborted = false;

  auto reply = m_qnam.get(QNetworkRequest(requestedUrl));
  connect(reply, &QNetworkReply::finished, this, &EgcuOperationalDialog::httpFinished);
}


void EgcuOperationalDialog::httpFinished()
{
  auto reply = qobject_cast<QNetworkReply*>(sender());
  if (!reply)
    return;

  int i = 0;
  if (m_httpRequestAborted)
  {
    m_ui->groupBoxSelectRelay->setEnabled(false);
    ERROR_LOG(m_logger) << "httpRequestAborted";
    reply->deleteLater();
    return;
  }

  if (reply->error())
  {
    m_ui->groupBoxSelectRelay->setEnabled(false);
    m_ui->lbStatus->setText(QStringLiteral("<font color='red'>%1</font>").arg(tr("Cannot connect to egcu: %1").arg(reply->errorString())));
    ERROR_LOG(m_logger) << "reply->error: " << reply->errorString();
    reply->deleteLater();
    return;
  }


  // Sucess
  m_ui->groupBoxSelectRelay->setEnabled(true);
  m_ui->lbStatus->setText(QStringLiteral("<font color='green'>%1</font>").arg(tr("Connected to egcu")));

  //parse the reply JSON and display result in the UI
  QJsonObject jsonObject = QJsonDocument::fromJson(reply->readAll()).object();
  QJsonDocument doc(jsonObject);
  DEBUG_LOG(m_logger) << doc.toJson(QJsonDocument::Indented);
  const QJsonArray jsonArray = jsonObject[QStringLiteral("State")].toArray();
  for (const QJsonValue &value : jsonArray)
  {
    QString valueString = value.toString();
    if (valueString == QStringLiteral("on"))
      valueString = QStringLiteral("<b>%1</b>").arg(tr("Actual State: on"));
    if (valueString == QStringLiteral("off"))
      valueString = QStringLiteral("<b>%1</b>").arg(tr("Actual State: off"));
    if (valueString == QStringLiteral("undefined"))
      valueString = QStringLiteral("<b>%1</b>").arg(tr("Actual State: undefined"));

    switch (i)
    {
    case 0:
      m_ui->lbStateR0->setText(valueString);
      break;
    case 1:
    case 2:
    case 3:
    case 4:
    case 5:
    case 6:
    case 7:
    case 8:
    case 9:
      break;
    }
    i++;
  }
  reply->deleteLater();
}

void EgcuOperationalDialog::onUpdateState()
{
  DEBUG_LOG(m_logger) << "onUpdateState";
  if (m_assetId == 0)
    return;
  QUrl url;
  QString request;
  request = QStringLiteral("http://%1/relay.php?state=3").arg(m_host);
  DEBUG_LOG(m_logger) << "startRequest:" << request;
  url.setUrl(request);
  url.setUserName(m_user);
  url.setPassword(m_passwd);
  startRequest(url);
}

void EgcuOperationalDialog::onInstrumentationAssetChanged(
    const InfrastructureManagement::InstrumentationAsset &data, DataModification modType)
{
  if (modType != DataModification::eAdded &&
      modType != DataModification::eModified)
    return;
  DEBUG_LOG(m_logger) << "onInstrumentationAssetChanged id:" << data.id();
  // Only EGCUs
  if (data.mountingPointTypeId() == InfrastructureManagement::MountingPointType_def::EffectGenerationControlUnit
      && data.assetStateId() == InfrastructureManagement::InstrumentationAssetState_def::Mounted)
  {
    DEBUG_LOG(m_logger) << "Insert instrumentation asset id=" << data.id();
    m_instrumentationAssets.insert(data.id(), data);
    if (data.id() == m_assetId)
      showEgcuInfos();
  }
} // end of onInstrumentationAssetChanged()

void EgcuOperationalDialog::onMountPointAssetChanged(
    const InfrastructureManagement::MountingPointAsset &data, DataModification modType)
{
  if (modType != DataModification::eAdded &&
      modType != DataModification::eModified)
    return;
  DEBUG_LOG(m_logger) << "onMountPointAssetChanged id:" << data.id();
  if (m_mountPointId == data.structureElementId())
  {
    DEBUG_LOG(m_logger) << "FOUND m_assetId=" << m_assetId;
    m_assetId = data.assetId();
    if (m_instrumentationAssets.contains(m_assetId))
      showEgcuInfos();
  }
  else
  {
    DEBUG_LOG(m_logger) << "NOT FOUND m_assetId=" << m_assetId;
    return;
  }
} // end of onMountPointAssetChanged()

void EgcuOperationalDialog::showEgcuInfos()
{
  InfrastructureManagement::InstrumentationAsset dataInst = m_instrumentationAssets.value(m_assetId);
  m_host = QString::fromStdString(dataInst.hostname());
  m_egcuName = QString::fromStdString(dataInst.name());

  const QByteArray properties = QByteArray::fromRawData(dataInst.properties().c_str(),
                                                        dataInst.properties().size());
  QJsonDocument propertyJsonDoc = QJsonDocument::fromJson(properties);
  QJsonObject propertyJsonObj = propertyJsonDoc.object();

  m_user = propertyJsonObj[QStringLiteral("username")].toString();
  m_passwd = propertyJsonObj[QStringLiteral("password")].toString();

  DEBUG_LOG(m_logger) << "onMountPointAssetChanged m_host:" << m_host
                      << " m_egcuName" << m_host
                      << " m_user" << m_user
                      << " m_passwd=" << m_passwd;
  m_ui->lblAssetName->setText(m_egcuName);
  m_ui->lblAssetId->setText(QString::number(m_assetId));
  m_ui->lblHostName->setText(m_host);
}

} // namespace Buildings