/**
  * Handler for all exercise objects
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Malte Diers, SLSE, 2017-04-05
  */

#include "handler_recon_area.h"
#include <Services/AreaEffectSimulation/Utils/polygons.h>
#include <QPolygonF>

namespace AreaEffectSimulation
{

HandlerReconArea::HandlerReconArea(MainHandler *mainHandler)
  : HandlerBase(mainHandler, QStringLiteral("ReconArea"))
  , Interface::Fts::ReconAreaModifyRequestHandler(mainHandler->dds()->fts())
  , Interface::Fts::ReconAreaRemoveRequestHandler(mainHandler->dds()->fts())
{
}

bool HandlerReconArea::init()
{
  QVector<Database::AesReconArea> dataVec;
  // read all ReconAreas from database
  if (!m_mainHandler->db()->select(dataVec))
  {
    ERROR_LOG(m_logger) << "Error reading data from database!";
    return false;
  }

  // create Recon area objects
  for (const Database::AesReconArea &dbData : qAsConst(dataVec))
  {
    ObjectReconArea *ifs(new ObjectReconArea(m_mainHandler, this));
    connect(ifs, &ObjectReconArea::effectStateChanged, this, &HandlerReconArea::onEffectStateChanged);
    Core::FunctionReplyObject ret = ifs->createObject(dbData);
    if (ret.error())
    {
      delete ifs;
      ERROR_LOG(m_logger) << ret();
      return false;
    }

    m_objectMap.insert(ifs->id(), ifs);
    connect(ifs, &ObjectReconArea::newAiv,    this, &HandlerReconArea::newAiv);
    connect(ifs, &ObjectReconArea::removeAiv, this, &HandlerReconArea::removeAiv);
  }

  DEBUG_LOG(m_logger) << "m_exeObjMap.size() = " << m_objectMap.size();

  return true;
}

static void fillData(const ReconAreaModifyRequest &src, Database::AesReconArea &dst)
{
  dst.name = QString::fromStdString(src.name());
  dst.chargeTypeId = 103; // recon area dummy
  dst.effectDuration = 0; // forever active
  dst.position.rx() = src.area().cornerBottomLeft().lon();
  dst.position.ry() = src.area().cornerBottomLeft().lat();
  dst.rotationAngle = src.area().rotation();
  dst.height = src.area().height();
  dst.width = src.area().width();
  dst.effectMarkingInTa = false;
  dst.effectStart = src.effectStart().is_set() ? QDateTime::fromMSecsSinceEpoch(src.effectStart().get()) : QDateTime();
  dst.participantId = src.participantId();
  dst.partyId = src.partyId().is_set() ? src.partyId().get() : 0;
  dst.purpose = QString::fromStdString(src.purpose());
}

void HandlerReconArea::onReconAreaModifyRequest(const rti::core::SampleIdentity &cookie,
                                                        const ReconAreaModifyRequest &request)
{
  DEBUG_LOG(m_logger) << "onReconAreaModifyRequest: " << request;
  Core::FunctionReplyObject ret = reconAreaModifyRequest(request);
  if (ret.error())
    WARNING_LOG(m_logger) << ret();
  m_mainHandler->dds()->fts()->reconAreaModifyReply(cookie, ret);
}

Core::FunctionReplyObject HandlerReconArea::reconAreaCreateRequest(const ReconAreaModifyRequest &request)
{
  Database::AesReconArea newData;
  fillData(request, newData);

  // set time contrain outside of fillData
  // newData.effectStart = QDateTime::fromMSecsSinceEpoch(m_mainHandler->dds()->currentPartitionTimeMSec() + 100); // now active

  ObjectReconArea *ifs(new ObjectReconArea(m_mainHandler, this));
  connect(ifs, &ObjectReconArea::effectStateChanged, this, &HandlerReconArea::onEffectStateChanged);
  const Core::FunctionReplyObject ret = ifs->createObject(newData);
  if (ret.error())
  {
    delete ifs;
    ifs = nullptr;
    return ret;
  }
  m_objectMap.insert(ifs->id(), ifs);
  if (ifs->isObjectInTrainingArea())
  {
    ++s_areaCount[AesType::AtReconArea];
    DEBUG_LOG(m_logger) << "s_areaCount[AesType::AtReconArea] = " << s_areaCount[AesType::AtReconArea];
  }
  connect(ifs, &ObjectReconArea::newAiv,    this, &HandlerReconArea::newAiv);
  connect(ifs, &ObjectReconArea::removeAiv, this, &HandlerReconArea::removeAiv);
  return ret;
}

Core::FunctionReplyObject HandlerReconArea::reconAreaModifyRequest(const ReconAreaModifyRequest &request)
{
  if (request.id() <= 0)
    return reconAreaCreateRequest(request);

  Core::FunctionReplyObject ret;
  ObjectReconArea *ifs = getObjectFromMap(m_objectMap, request.id(), ret);
  if (!ifs)
    return ret;

  // Todo: IsObjectModifiable() ?!?

  AreaEffectSimulation::Database::AesReconArea aea(ifs->data());
  fillData(request, aea);

  return ifs->updateObject(aea);
}

Core::FunctionReplyObject HandlerReconArea::reconAreaModifyGeometryRequest(const ReconAreaModifyRequest &request)
{
  // WARNING: request.area.cornerBottomLeft() contains center point!
  Core::FunctionReplyObject ret;
  ObjectReconArea *ifs = getObjectFromMap(m_objectMap, request.id(), ret);
  if (!ifs)
    return ret;

  // Todo: IsObjectModifiable() ?!?

  AreaEffectSimulation::Database::AesReconArea aea(ifs->data());
  aea.position = Polygons::centerPoint2BottomLeft(QPointF(request.area().cornerBottomLeft().lon(),
                                                          request.area().cornerBottomLeft().lat()),
                                                  ifs->data().width,
                                                  ifs->data().height,
                                                  request.area().rotation());
  aea.rotationAngle = request.area().rotation();

  return ifs->updateObject(aea);
}

Core::FunctionReplyObject HandlerReconArea::removeObject(int id)
{
  ObjectReconArea *ifs = m_objectMap.value(id);
  if (ifs == nullptr)
    return Core::FunctionReplyObject(id, tr_lts("dds", "Recon area with id %1 not found.")).arg(id);

  return ifs->removeObject();
}

Core::FunctionReplyObject HandlerReconArea::switchTo(int id, AesEffectState effectState)
{
  ObjectReconArea *ifs = m_objectMap.value(id);
  if (ifs == nullptr)
    return Core::FunctionReplyObject(id, tr_lts("dds", "Recon area with id %1 not found.")).arg(id);

  bool succ = false;
  switch (effectState.underlying()) {
  case AesEffectState_def::EsActivated:
    succ = !ifs->activateObjectNow().error();
    break;
  case AesEffectState_def::EsPrepared:
    succ = ifs->trySwitchToPrepared();
    break;
  case AesEffectState_def::EsPaused:
    succ = ifs->trySwitchToPaused();
    break;
  case AesEffectState_def::EsExpired:
    succ = ifs->trySwitchToExpired();
    break;
  case AesEffectState_def::EsRemoved:
    succ = ifs->trySwitchToRemoved();
    break;
  case AesEffectState_def::EsCreated:
    succ = ifs->trySwitchToCreated();
    break;
  default:
    break;
  }
  if (succ)
    return Core::FunctionReplyObject();
  return Core::FunctionReplyObject(id, tr_lts("dds", "Could not switch effect simulation with id %1 to state with id %2.")).arg(id).arg(effectState.underlying());
}

void HandlerReconArea::onReconAreaRemoveRequest(const rti::core::SampleIdentity &cookie,
                                                const Core::RemoveElementRequest &request)
{
  DEBUG_LOG(m_logger) << "onReconAreaRemoveRequest: " << request;
  Core::FunctionReplyObject ret;
  ObjectReconArea *ifs = getObjectFromMap(m_objectMap, request.id(), ret);
  if (!ifs)
  {
    m_mainHandler->dds()->fts()->reconAreaRemoveReply(cookie, ret);
    return;
  }

  ret = ifs->removeObject();
  if (ret.error())
  {
    ERROR_LOG(m_logger) << ret();
  }

  m_mainHandler->dds()->fts()->reconAreaRemoveReply(cookie, ret);
}

Core::FunctionReplyObject HandlerReconArea::activateObjectOffset(int id, qint64 msecs)
{
  ObjectReconArea *ifs = m_objectMap.value(id);
  if (ifs == nullptr)
    return Core::FunctionReplyObject(id, tr_lts("dds", "Recon area with id %1 not found.")).arg(id);
  return ifs->setActivationOffset(msecs);
}

Core::FunctionReplyObject HandlerReconArea::modifyPartyParticipant(qint32 itemId, qint32 partyId, qint32 participantId)
{
  ObjectReconArea *ifs = m_objectMap.value(itemId);
  if (!ifs)
    return Core::FunctionReplyObject(itemId, tr_lts("dds", "Recon area with id %1 not found.")).arg(itemId);
  AreaEffectSimulation::Database::AesReconArea aea(ifs->data());
  aea.partyId = partyId;
  aea.participantId= participantId;
  return ifs->updateObject(aea);
}

} // Namespace AreaEffectSimulation