/**
  * @RDE_HEADER@
  * Dialog for Simulated Movement
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Gerlinde Rudolphus, SLSE, 2018-01-02  */

#include "participant_move_dialog.h"
#include "ui_participant_move_dialog.h"

#include <PluginInterfaces/gui_plugin_interface.h>
#include <LtsSession/lts_session_data.h>

#include <LtsWidgets/lts_message_dialog.h>
#include <Common/LtsCoordTrans/lts_coord_widget.h>
#include <Plugins/ProjectDataManagement/pdm_gui_plugin_interface.h>
#include <Plugins/ParticipantManagement/ppm_gui_combobox_plugin_interface.h>
#include <Plugins/CentralEffectSimulation/ces_data_plugin_interface.h>

#include "logger.h"
#include <ParticipantManagement/ppm_translation.h>
#include <ParticipantManagement/ppm_dtc.h>
#include <FileManagement/flm_translation.h>

#include <QJsonArray>
#include <QJsonObject>
#include <QJsonDocument>

namespace CentralEffectSimulation
{
static constexpr double s_msConversion = 3.6; // = 3.6 Convert from [km/h] to [m/s]
static constexpr int    s_timeMilliConversion = 1000; // 1000 Convert from [s] to [ms]

ParticipantMoveDialog::ParticipantMoveDialog(QWidget *parent)
  : LtsWidgets::LtsDialog(parent, LtsWidgets::ButtonCombination::OkApplyCancel)
  , m_ftc(nullptr)
  , m_sitMapGuiIfc(nullptr)
  , m_ui(new Ui::WaypointsEdit)
  , m_id(0)
  , m_requestHelper(new LtsUtils::RequestHelper(this))
  , m_polyline(QPolygonF())
  , m_logger(getLogger("ParticipantMoveDialog"))
{
  m_ui->setupUi(this);
  m_ui->cbJump->hide();
  m_ui->label_5->hide();
  m_ui->spSpeed->setValue(30); // 30km/h per default
  m_ui->lePrefix->setText(tr("Waypoint"));
  m_uiRequirements->addRequirement({m_ui->lblMoveStart, [this]() { return hasValidEffectStart(m_ui->dteStartTime); }, tr("Begin time is smaller than current time")});
  connect (this, &ParticipantMoveDialog::signalFocused, this, &ParticipantMoveDialog::onFocus);
  setOnlineHelpFilename(QStringLiteral("Situation-Move_Participant_0"));
} // end of ctor()
//-----------------------------------------------------------------------------

ParticipantMoveDialog::~ParticipantMoveDialog()
{
  m_sitMapGuiIfc = nullptr;
  delete m_ui;
  emit closeDialog(m_participantData.id());
} // end of dtor()
//-----------------------------------------------------------------------------

void ParticipantMoveDialog::enableUiElements(bool enable)
{
  m_ui->pbPosition->setEnabled(enable);
  m_ui->pbClear->setEnabled(enable);
} // end of enableUiElements()
//-----------------------------------------------------------------------------

bool ParticipantMoveDialog::init(LtsSession::LtsSessionDataDds *session,
                                 const std::shared_ptr<ParticipantManagement::Interface::Dtc> &ppmDtc,
                                 const std::shared_ptr<CentralEffectSimulation::Interface::Dtc> &cesDtc,
                                 const ParticipantManagement::ParticipantData &data)
{
  m_session   = session;
  m_participantData      = data;
  m_cesDtc    = cesDtc;

  //bool editable = LtsSessionData::LtsSessionData::getInstance()->hasOperatorRight(OperatorRights::BorderlinesEdit);
  //bool readable = LtsSessionData::LtsSessionData::getInstance()->hasOperatorRight(OperatorRights::BorderlinesShow);
  //if (!readable && !editable)
  //  return false;

  if (!m_session->getFtc<CentralEffectSimulation::DataInterface>(m_ftc))
    return false;

  m_session->getForeignGuiInterface<SituationMap::ForeignGuiInterface>(m_sitMapGuiIfc);

  if (m_sitMapGuiIfc)
  {
    connect(m_ui->pbPosition, &QPushButton::clicked, this, &ParticipantMoveDialog::onGetPolyline);
    connect(m_ui->pbClear, &QPushButton::clicked, this, &ParticipantMoveDialog::clearCoordinates);
  }
  else
  {
    m_ui->pbPosition->setEnabled(false);
    m_ui->pbClear->setEnabled(false);
  }

  m_ui->dteStartTime->setMinimumTimeMSec(m_session->partitionTime());
  m_ui->dteStartTime->setRetrieveCurrentTimeCallback([this]() { return m_session->partitionTime(); });
  m_ui->lbIdentifier->setText(QString::fromStdString(data.tacticalIdentifier()));
  QString partyStr = ParticipantManagement::trPartyName(ppmDtc->party(m_participantData.partyId()).name());
  m_ui->lbParty->setText(partyStr);
  QString typeStr = ParticipantManagement::trTypeName(ppmDtc->type(m_participantData.typeId()).name());
  m_ui->lbType->setText(typeStr);

  // enableUiElements(editable && readable);
  enableUiElements(true);

  initTableHeader();

  connect(cesDtc.get(), &CentralEffectSimulation::Interface::Dtc::simulatedMovementChanged,
          this, &ParticipantMoveDialog::onSimulatedMovementChanged);

  // Get data for all SimulatedMovements
  {
    auto sm = [this](const CentralEffectSimulation::SimulatedMovement & sme)
    {
      onSimulatedMovementChanged(sme, DataModification::eAdded);
    };
    if (!m_cesDtc->simulatedMovements(sm))
      return false;
  }

  // Save/Load from Library Button
  m_buttonBox->connectLibraryButton(this,
                                    &ParticipantMoveDialog::onImportButtonClicked,
                                    &ParticipantMoveDialog::onExportButtonClicked);

  if (!m_session->getForeignGuiInterface<FileManagement::ForeignGuiInterface>(m_flmGui))
    m_buttonBox->setButtonEnabled(LtsWidgets::DialogButton::Library, false);

  return true;

} // end of init()

void ParticipantMoveDialog::onSimulatedMovementChanged(const CentralEffectSimulation::SimulatedMovement &data, DataModification modType)
{
  if (modType == DataModification::eRemoved || m_participantData.id() != data.participantId())
    return;
    INFO_LOG(m_logger) << "onSimulatedMovementChanged";

  // Clear data
  clearContent();
  // set new Content
  m_id = data.id();
  m_ui->lePrefix->setText(QString::fromStdString(data.name()));
  m_ui->cbRepeat->setChecked(data.repeat());
  m_ui->cbJump->setChecked(data.jumpToStart());
  m_ui->dteStartTime->setMsecsSinceEpoch(data.startTime());
  m_polyline.clear();
  // Insert data to Vector
  for (const SimulatedMovementSegment &segment : data.segments())
  {
    const Core::GeoPosition2D &pointDds = segment.position();
    insertPos(pointDds.lon(), pointDds.lat(), QString::fromStdString(segment.name()), segment.delay(), segment.speed());
    m_polyline.push_back(QPointF(pointDds.lon(), pointDds.lat()));
  }
  // Insert data to Map (Preview)
  if (this->amIFocused())
    m_sitMapGuiIfc->displayPreviewObject(this, m_polyline, false);
}

void ParticipantMoveDialog::showPreview(bool show)
{
  if (m_sitMapGuiIfc)
  {
    if (show)
      m_sitMapGuiIfc->displayPreviewObject(this, m_polyline, false);
    else
      m_sitMapGuiIfc->removePreviewObject();
  }
}


void ParticipantMoveDialog::onSimulatedMovementRemoveReply(const Core::FunctionReplyObject &replyObject)
{
  m_requestHelper->requestReply(replyObject);
  if (!replyObject.error())
  {
    m_sitMapGuiIfc->cancelActiveRubberbands();
    m_sitMapGuiIfc->removePreviewObject();
  }
}

void ParticipantMoveDialog::onSimulatedMovementModifyReply(const Core::FunctionReplyObject &replyObject)
{
  m_requestHelper->requestReply(replyObject);
  if (!replyObject.error())
    m_sitMapGuiIfc->removePreviewObject();
}

void ParticipantMoveDialog::retranslate()
{
  translate(m_ui, QString::fromStdString(m_participantData.tacticalIdentifier()), false, tr("Waypoints")); // TODO: lock topic?
  DEBUG_LOG(m_logger) << "retranslate";
}

void ParticipantMoveDialog::initTableHeader()
{
  QStringList headers;
  headers << tr("Identifier") << tr("Idle Time [s]") << tr("Speed [km/h]") << tr("Position");
  m_ui->tableWidget->setHorizontalHeaderLabels(headers);
  m_ui->tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
}

// idleTime in [s] speed in [m/s]
void ParticipantMoveDialog::insertPos(const double lon, const double lat, const QString &identifier, const int idleTime, const double speed)
{
  QLineEdit *le = new QLineEdit;
  QSpinBox *sbDelay = new QSpinBox;
  QSpinBox *sbSpeed = new QSpinBox;
  sbDelay->setMinimum(m_ui->spIdleTime->minimum());
  sbDelay->setMaximum(m_ui->spIdleTime->maximum());
  sbSpeed->setMinimum(m_ui->spSpeed->minimum());
  sbSpeed->setMaximum(m_ui->spSpeed->maximum());
  int rowCount = m_ui->tableWidget->rowCount();

  LtsCoordWidget::LtsCoordWidget *wdg = new LtsCoordWidget::LtsCoordWidget();
  //wdg->setCoordinate( 8.794556, 53.080827);
  wdg->setCoordinate(lon, lat);
  wdg->setObjectName(QStringLiteral("positionEdit_") + QString::number(rowCount));
  m_ui->tableWidget->insertRow(rowCount);
  le->setText(identifier);
  m_ui->tableWidget->setCellWidget(rowCount, Name, le);
  sbDelay->setValue(idleTime / s_timeMilliConversion);
  m_ui->tableWidget->setCellWidget(rowCount, IdleTime, sbDelay);
  sbSpeed->setValue(speed * s_msConversion);
  m_ui->tableWidget->setCellWidget(rowCount, Speed, sbSpeed);
  m_ui->tableWidget->setCellWidget(rowCount, Position, wdg);
  wdg->setDisplayType(LtsCoordWidget::LtsCoordWidget::DisplayType::MGRS);

}

//-----------------------------------------------------------------------------
/*
void WaypointsEdit::setData(const Borderline &borderline, bool copy)
{
  DEBUG_LOG(m_logger) << LOGFUNCTION << "borderlineId: " << borderline.id()
                                     << " operatorId: " << borderline.operatorId();

} // end of setData()
*/
//-----------------------------------------------------------------------------
void ParticipantMoveDialog::clearContent()
{
  m_ui->lePrefix->clear();
  m_ui->cbRepeat->setChecked(false);
  m_ui->cbJump->setChecked(false);

  clearCoordinates();
}

void ParticipantMoveDialog::clearCoordinates()
{
  if (m_ui)
  {
    m_ui->tableWidget->clearContents();
    m_ui->tableWidget->setRowCount(0);
  }
    // remove PreviewObject:
  if ( m_sitMapGuiIfc && this->amIFocused())
    m_sitMapGuiIfc->removePreviewObject();
}

void ParticipantMoveDialog::onFocus()
{
  showPreview(true);
  m_sitMapGuiIfc->displayPreviewObject(this, m_polyline, false);
}

void ParticipantMoveDialog::onGetPolyline()
{
  DEBUG_LOG(m_logger) << LOGFUNCTION;

  if (!m_sitMapGuiIfc)
    return;

  if (m_sitMapGuiIfc->mapMode() != SituationMap::MapMode::MapMode_2D)
  {
    LtsWidgets::LtsMessageDialog::showMessage(this, tr("Only available in 2D mode"));
    return;
  }

  QPolygonF coordinates;
  int i = 0;
  while (true)
  {
    LtsCoordWidget::LtsCoordWidget *w = findChild<LtsCoordWidget::LtsCoordWidget *>(QStringLiteral("positionEdit_%1").arg(i));
    if (!w)
      break;
    if (!w->coordinate().isNull())
      coordinates << w->coordinate();
    ++i;
  }

  m_sitMapGuiIfc->getPolyline(this,
                              SLOT(onPolylineData(QPolygonF)),
                              nullptr,
                              2,
                              11,
                              -1,
                              -1,
                              coordinates);

} // end of onGetPolyline()
//-----------------------------------------------------------------------------

void ParticipantMoveDialog::onPolylineData(const QPolygonF &polyline)
{
  DEBUG_LOG(m_logger) << LOGFUNCTION << " numberOfPoints: " << polyline.size();

  if (polyline.size() < 2)
    return;

  m_polyline = polyline;

  clearCoordinates();
  for (int i = 0; i < polyline.size(); i++)
    insertPos(polyline.at(i).x(), polyline.at(i).y(),
              m_ui->lePrefix->text() + QLatin1Char('_') + QString::number(i + 1),
              m_ui->spIdleTime->value() * s_timeMilliConversion,
              m_ui->spSpeed->value() / s_msConversion);

  // create PreviewObject:
  m_sitMapGuiIfc->displayPreviewObject(this, polyline, false);

} // end of onPolylineData()
//-----------------------------------------------------------------------------

bool ParticipantMoveDialog::hasValidEffectStart(LtsWidgets::LtsDateTimeEdit *dte) const
{
  // if there is visible a enabled/disable checkbox -> also allow 0 as effect start
  const bool bEmptyAllowed = dte->isCheckable();
  const auto ms = dte->msecsSinceEpoch();
  // no effect start -> ok
  if (bEmptyAllowed && ms == 0)
    return true;
  return ms > m_session->partitionTime();
}

SimulatedMovement ParticipantMoveDialog::requestContent() const
{
  std::string name = m_ui->lePrefix->text().toStdString();
  int32_t repeat = m_ui->cbRepeat->isChecked();
  //int32_t jumpToStart = m_ui->cbJump->isChecked();
  int32_t jumpToStart = true;
  rti::core::int64 startTime = m_ui->dteStartTime->msecsSinceEpoch();
  int32_t participantId = m_participantData.id();
  int32_t nextPoint = 0;

  int cntSegments = m_ui->tableWidget->rowCount();
  std::vector<CentralEffectSimulation::SimulatedMovementSegment> segments;
  segments.resize(cntSegments);
  for (int i = 0; i < cntSegments; i++)
  {
    QWidget *widget = m_ui->tableWidget->cellWidget(i, Name);
    const QString nameSeg = static_cast<QLineEdit *>(widget)->text();
    segments[i].name(nameSeg.toStdString());

    widget = m_ui->tableWidget->cellWidget(i, IdleTime);
    const int idleTime =  static_cast<QSpinBox *>(widget)->value() * s_timeMilliConversion;
    segments[i].delay(idleTime);

    widget = m_ui->tableWidget->cellWidget(i, Speed);
    const double speed =  static_cast<QSpinBox *>(widget)->value() / s_msConversion;

    segments[i].speed(speed);

    widget = m_ui->tableWidget->cellWidget(i, Position);
    const QPointF point = static_cast<LtsCoordWidget::LtsCoordWidget *>(widget)->coordinate();
    const Core::GeoPosition2D pos(Core::GeoPosition2D(point.x(), point.y()));
    segments[i].position(pos);
  }

  return SimulatedMovement(m_id,
                           name,
                           startTime,
                           participantId,
                           segments,
                           repeat,
                           jumpToStart,
                           nextPoint
                           );
}

bool ParticipantMoveDialog::apply()
{
  int cntSegments = m_ui->tableWidget->rowCount();
  if (cntSegments > 0)
  {
    const SimulatedMovement req = requestContent();

    INFO_LOG(m_logger) << "--- onApplyMessage() ";

    m_requestHelper->addRequest([this, req]()
    {
      return m_ftc->simulatedMovementModifyRequest(req, this);
    });
  }
  else
  {
    if (m_id > 0)
    {
      Core::RemoveElementRequest req(m_id);
      m_id = 0; // Next time new Route

      INFO_LOG(m_logger) << "--- onApplyMessage() ";

      m_requestHelper->addRequest([req, this]()
      {
        return m_ftc->simulatedMovementRemoveRequest(req, this);
      });
    }
  }

  return m_requestHelper->startRequests();
}

//-----------------------------------------------------------------------------
// Save / Load Simulation in DB
//-----------------------------------------------------------------------------

QByteArray ParticipantMoveDialog::simulatedMovementToJson() const
{
  const SimulatedMovement req = requestContent();
  QJsonObject obj;
  obj[QStringLiteral("XmlType")] = FileManagement::toString(FileManagement::XmlType::CESParticipantMove);

  obj[QStringLiteral("id")] = req.id();
  obj[QStringLiteral("jumpToStart")] = req.jumpToStart();
  obj[QStringLiteral("name")] = QString::fromStdString(req.name());
  obj[QStringLiteral("nextPoint")] = req.nextPoint();
  obj[QStringLiteral("participantId")] = req.participantId();
  obj[QStringLiteral("repeat")] = req.repeat();
  obj[QStringLiteral("startTime")] = req.startTime();

  QJsonArray arr;
  for (auto it = req.segments().begin(); it != req.segments().end(); ++it)
  {
    QJsonObject inner;
    inner[QStringLiteral("delay")] = it->delay();
    inner[QStringLiteral("name")] = QString::fromStdString(it->name());
    inner[QStringLiteral("speed")] = it->speed();
    inner[QStringLiteral("lat")] = it->position().lat();
    inner[QStringLiteral("lon")] = it->position().lon();
    arr += inner;
  }
  obj[QStringLiteral("segments")] = arr;

  QJsonDocument doc(obj);
  return doc.toJson(QJsonDocument::Compact);
}

SimulatedMovement ParticipantMoveDialog::jsonToSimulatedMovement(const QByteArray &content) const
{
  // already checked that content is not empty, parseable and contains proper XmlType (CESParticipantMove)
  CentralEffectSimulation::SimulatedMovement result;
  const QJsonDocument doc(QJsonDocument::fromJson(content));
  const QJsonObject obj(doc.object());

  result.id(obj[QStringLiteral("id")].toInt()); //TODO Library: check id = 0?
  result.jumpToStart(obj[QStringLiteral("jumpToStart")].toInt());
  result.name(obj[QStringLiteral("name")].toString().toStdString());
  result.nextPoint(obj[QStringLiteral("nextPoint")].toInt());
  result.participantId(m_participantData.id());
  result.repeat(obj[QStringLiteral("repeat")].toInt());
  result.startTime(obj[QStringLiteral("startTime")].toDouble());

  const QJsonArray arr(obj.value(QStringLiteral("segments")).toArray());
  auto &segments = result.segments();
  segments.resize(arr.size());
  for (int i = 0; i < arr.size(); ++i)
  {
    CentralEffectSimulation::SimulatedMovementSegment &segment = segments[i];
    const QJsonObject objArr(arr.at(i).toObject());
    segment.delay(objArr[QStringLiteral("delay")].toDouble());
    segment.name(objArr[QStringLiteral("name")].toString().toStdString());


    segment.position().lat(objArr[QStringLiteral("lat")].toDouble());
    segment.position().lon(objArr[QStringLiteral("lon")].toDouble());
    segment.speed(objArr[QStringLiteral("speed")].toDouble());
  }
  return result;
}

void ParticipantMoveDialog::onExportButtonClicked()
{
  QJsonObject saveObject;
  saveObject[QStringLiteral("content")] = QString();

  const QByteArray byteArray = simulatedMovementToJson();

  int fileId = m_flmGui->saveFileContent(this, FileManagement::FileType::Xml, m_session->exerciseId(), byteArray);
  if (fileId > 0)
    DEBUG_LOG(m_logger) << "Saved file with id = " << fileId;
  else
    ERROR_LOG(m_logger) << "Could not save file in library ";
}

void ParticipantMoveDialog::onImportButtonClicked()
{
  DEBUG_LOG(m_logger) << " onImportButtonClicked() ";

  QByteArray content;
  int fileId = m_flmGui->loadFileContent(this, content, {FileManagement::FileType::Xml}, m_session->exerciseId(), FileManagement::toString(FileManagement::XmlType::CESParticipantMove));
  if (fileId > 0)
  {
    if (!m_flmGui->isXmlType(content, FileManagement::toString(FileManagement::XmlType::CESParticipantMove)))
    {
      QHash<LtsWidgets::Button, QString> texts({{LtsWidgets::Button::Yes, tr("Ok")}});
      LtsWidgets::LtsMessageDialog::showMessage(this,
                                                tr("Invalid xml file content"),
                                                windowTitle(),
                                                LtsWidgets::Behaviour::Modal,
                                                LtsWidgets::Button::Yes,
                                                texts);
    }
    else
    {
      SimulatedMovement req = jsonToSimulatedMovement(content);

      INFO_LOG(m_logger) << "--- onImportButtonClicked() ";

      m_requestHelper->addRequest([this, req]()
      {
        return m_ftc->simulatedMovementModifyRequest(req, this);
      });
      m_requestHelper->startRequests();
    }
  }
}


} // namespace CentralEffectSimulation