/**
  * @RDE_HEADER@
  * AreaEffectManangement - Aes Item Overview Dialog Model Base Class to be inherited by the Area Types
  * $Id$
  * $HeadURL$
  * $Author$
  *
  * Created by Malte Diers, SLSE, 2016-09-26
  */

#include "aes_base_model.h"

#include <LtsSession/lts_session_data.h>
#include <LtsSession/lts_session.h>

#include <Plugins/ParticipantManagement/ppm_data_plugin_interface.h>
#include <Plugins/ParticipantManagement/ppm_gui_combobox_plugin_interface.h>
#include <Plugins/ProjectDataManagement/pdm_data_plugin_interface.h>
#include <ParticipantManagement/ppm_translation.h>
#include <PluginInterfaces/gui_plugin_interface.h>

#include <QLocale>

namespace AreaEffectSimulation
{

//
// AesGuiBasHelpers
//
AesGuiBasHelpers::AesGuiBasHelpers()
  : m_aesDtc(nullptr)
  , m_pdmDtc(nullptr)
  , m_ppmDtc(nullptr)
  , m_logger(getLogger("AesGuiBase"))
{}

bool AesGuiBasHelpers::initModel(LtsSession::LtsSession *session)
{
  if (m_aesDtc)
  {
    ERROR_LOG(m_logger) << "double init()!";
    return false;
  }

  if (!session->getDtc<AreaEffectSimulation::DataInterface>(m_aesDtc))
    return false;
  if (!session->getDtc<ProjectDataManagement::DataInterface>(m_pdmDtc))
    return false;
  if (!session->getDtc<ParticipantManagement::DataInterface>(m_ppmDtc))
    return false;
  session->getForeignGuiInterface<ParticipantManagement::ForeignGuiComboboxInterface>(m_ppmGuiCbxIfc);

  return true;
}

QVariant AesGuiBasHelpers::stringFromPartyId(const dds::core::optional<int> &id) const
{
  if (!id.is_set())
    return QObject::tr("---");
  auto it = m_partyNames.find(id.get());
  if (it != m_partyNames.end())
    return it.value();
  const QString name = ParticipantManagement::trPartyName(m_ppmDtc->party(id.get()).name());
  m_partyNames.insert(id.get(), name);
  return name;
}

QIcon AesGuiBasHelpers::iconFromPartyId(const dds::core::optional<int> &id) const
{
  if (!id.is_set() || !m_ppmGuiCbxIfc)
    return QIcon();
  auto it = m_partyIcons.find(id.get());
  if (it != m_partyIcons.end())
    return it.value();
  const QRgb col = QRgb(m_ppmDtc->party(id.get()).color());
  const QIcon icon = m_ppmGuiCbxIfc->pixmapFromParty(col);
  m_partyIcons.insert(id.get(), icon);
  return icon;
}

QVariant AesGuiBasHelpers::hierarchyFromParticipantId(const dds::core::optional<int> &id) const
{
  if (!id.is_set())
    return QObject::tr("---");
  auto it = m_participantHierarchy.find(id.get());
  if (it != m_participantHierarchy.end())
    return it.value();
  const QString name = m_ppmDtc->hierarchyFromParticipant(id.get());
  m_participantHierarchy.insert(id.get(), name);
  return name;
}

QVariant AesGuiBasHelpers::chargeTypeName(int chargeTypeId, bool shortName) const
{
  if (shortName)
  {
    auto it = m_chargeTypeShortNames.find(chargeTypeId);
    if (it != m_chargeTypeShortNames.end())
      return it.value();
    const QString name = m_pdmDtc->trChargeTypeShortName(chargeTypeId, true);
    m_chargeTypeShortNames.insert(chargeTypeId, name);
    return name;
  }

  auto it = m_chargeTypeNames.find(chargeTypeId);
  if (it != m_chargeTypeNames.end())
    return it.value();
  const QString name = m_pdmDtc->trChargeTypeName(chargeTypeId, true);
  m_chargeTypeNames.insert(chargeTypeId, name);
  return name;

}

QString AesGuiBasHelpers::simulationTypeText(bool isCentral)
{
  return isCentral ? QObject::tr("central") : QObject::tr("peripheral");
}

void AesGuiBasHelpers::updateEffectStateComboboxFilterData(bool bWithPause)
{
  LtsWidgets::ComboboxFilterContent cfc;
  LtsWidgets::ComboboxFilterData cfd;
  const auto effectStates = {
    AesEffectState::EsExpired,
    AesEffectState::EsCreated,
    AesEffectState::EsPrepared,
    AesEffectState::EsActivated,
    AesEffectState::EsPaused,
    AesEffectState::EsFired,
    AesEffectState::EsReceived
  };
  for (const auto es : effectStates) {
    if (!bWithPause && es == AesEffectState::EsPaused)
      continue;
    cfd.data = es;
    cfd.text = AreaEffectSimulation::toString(es);
    cfc.data.push_back(cfd);
  }
  cfc.sortItems = false;
  m_cbxFilterEffectState = cfc.toVariant();
}

void AesGuiBasHelpers::updateComboboxFilterData(const QSet<int> &availablePartyIds,
                                                const QSet<int> &availabelChargeIds)
{
  LtsWidgets::ComboboxFilterContent cfc;
  LtsWidgets::ComboboxFilterData cfd;
  for (const int i : qAsConst(availabelChargeIds))
  {
    cfd.data = i;
    cfd.text = chargeTypeName(i).toString();
    cfc.data.push_back(cfd);
  }
  cfc.sortItems = true;
  m_cbxFilterChargeType = cfc.toVariant();

  cfc.data.clear();
  for (const int i : qAsConst(availablePartyIds))
  {
    cfd.data = i;
    cfd.text = ParticipantManagement::trPartyName(m_ppmDtc->party(i).name());
    cfd.icon = iconFromPartyId(i);
    cfc.data.push_back(cfd);
  }
  cfc.sortItems = false;
  m_cbxFilterParty = cfc.toVariant();
}

void AreaEffectSimulation::AesGuiBasHelpers::updateSimulationTypeComboboxFilterData()
{
  LtsWidgets::ComboboxFilterContent cfc;
  LtsWidgets::ComboboxFilterData cfd;

  cfd.text = simulationTypeText(true);
  cfd.data = cfd.text;
  cfc.data.push_back(cfd);

  cfd.text = simulationTypeText(false);
  cfd.data = cfd.text;
  cfc.data.push_back(cfd);

  cfc.sortItems = false;
  m_cbxFilterSimulationType = cfc.toVariant();
}

void AesGuiBasHelpers::fillAvailableChargeIds(ProjectDataManagement::GearClass gc)
{
  m_availableChargeIds.clear();
  const QVector<ProjectDataManagement::ChargeType> availableCharges = m_pdmDtc->chargesForGearClass(gc);
  for (const auto &charge : availableCharges)
    m_availableChargeIds += charge.id();
  // enable filter although no charges for this type are available
  if (m_availableChargeIds.isEmpty())
    m_availableChargeIds += 0;
}

void AesGuiBasHelpers::fillAvailableChargeIds(const QVector<ProjectDataManagement::GearClass> &gcs)
{
  m_availableChargeIds.clear();

  for (auto gc : qAsConst(gcs))
  {
    const QVector<ProjectDataManagement::ChargeType> &availableCharges = m_pdmDtc->chargesForGearClass(gc);
    for (const auto &charge : qAsConst(availableCharges))
      m_availableChargeIds += charge.id();
  }
  // enable filter although no charges for this type are available
  if (m_availableChargeIds.isEmpty())
    m_availableChargeIds += 0;
}

//
// AesItemSortFilterProxyModel
//
AesItemSortFilterProxyModel::AesItemSortFilterProxyModel(LtsSession::LtsSession *session, QObject *parent)
  : LtsWidgets::LtsColumnFilterProxyModel(parent)
  , m_session(session)
  , m_showExpired(false)
  , m_offset(5 * 60 * 1000) // default: 5 minutes
{
  std::shared_ptr<ParticipantManagement::Interface::Dtc> ppmDtc;
  if (m_session->getDtc<ParticipantManagement::DataInterface>(ppmDtc))
  {
    auto cb = [this](const ParticipantManagement::Party &party)
    {
      m_partyColors[party.id()] = QColor::fromRgb(QRgb(party.color()));
    };
    ppmDtc->partys(cb);
  }
}

void AesItemSortFilterProxyModel::setShowExpired(bool showExpired)
{
  if (m_showExpired == showExpired)
    return;

  m_showExpired = showExpired;
  invalidateFilter();
}

void AesItemSortFilterProxyModel::setOffset(int offsetMsecs)
{
  if (m_offset == offsetMsecs)
    return;

  m_offset = offsetMsecs;
  invalidateFilter();
}

bool AesItemSortFilterProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
{
  bool bRet = checkFilter(source_row);
  if (!bRet)
    return false;
  return LtsWidgets::LtsColumnFilterProxyModel::filterAcceptsRow(source_row, source_parent);
}

bool AesItemSortFilterProxyModel::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const
{
  if (source_left.column() != source_right.column())
    return LtsWidgets::LtsColumnFilterProxyModel::lessThan(source_left, source_right);

  switch (source_left.column())
  {
  case AesGuiBasHelpers::BcEffectStart:
  {
    const auto effectStartLeft = aesEffectStart(source_left.row());
    const auto effectStartRight = aesEffectStart(source_right.row());
    if (effectStartLeft.is_set() && effectStartRight.is_set())
      return effectStartLeft.get() < effectStartRight.get();
    if (effectStartRight.is_set())
      return true;
    if (effectStartLeft.is_set())
      return false;
    return aesId(source_left.row()) < aesId(source_right.row());
  }
  case AesGuiBasHelpers::BcEffectDuration:
  {
    const auto effectDurationLeft = aesEffectDuration(source_left.row());
    const auto effectDurationRight = aesEffectDuration(source_right.row());
    if (effectDurationLeft == effectDurationRight)
      return aesId(source_left.row()) < aesId(source_right.row());
    return effectDurationLeft < effectDurationRight;
  }
  case AesGuiBasHelpers::BcEffectState:
  {
    const auto effectStateLeft = aesEffectStateId(source_left.row());
    const auto effectStateRight = aesEffectStateId(source_right.row());
    if (effectStateLeft == effectStateRight)
      return aesId(source_left.row()) < aesId(source_right.row());
    return effectStateLeft < effectStateRight;
  }
  case AesGuiBasHelpers::BcEffectSource:
  {
    const auto effectSourceLeft = aesEffectSourceId(source_left.row());
    const auto effectSourceRight = aesEffectSourceId(source_right.row());
    if (effectSourceLeft == effectSourceRight)
      return aesId(source_left.row()) < aesId(source_right.row());
    return effectSourceLeft < effectSourceRight;
  }
  case AesGuiBasHelpers::BcParty:
  {
    const auto partyIdLeft = partyId(source_left.row());
    const auto partyIdRight = partyId(source_right.row());
    if (partyIdLeft == partyIdRight)
      return aesId(source_left.row()) < aesId(source_right.row());
    return partyIdLeft < partyIdRight;
  }
  default:
    break;
  }
  return LtsWidgets::LtsColumnFilterProxyModel::lessThan(source_left, source_right);
}


bool AesItemSortFilterProxyModel::checkFilter(int source_row) const
{
  int32_t party = partyId(source_row);
  if (party != -1 && !LtsSessionData::LtsSessionData::getInstance()->isVisibleParty(m_session->exerciseId(), party))
    return false;

  const auto effectStateId = aesEffectStateId(source_row);
  if (effectStateId == AesEffectState_def::EsRemoved)
    return false;

  // If showExpired: Show all
  if (showExpired())
    return true;

  const int id = aesId(source_row);
  if (id <= 0)
    return false;

  // If MA is not in state expired: Show
  if (effectStateId != AreaEffectSimulation::AesEffectState::EsExpired && effectStateId != AreaEffectSimulation::AesEffectState::EsRemoved)
    return true;

  if (!m_session)
  {
    // Todo: Log
    return false;
  }

  const auto effectStart = aesEffectStart(source_row);
  qint64 effectEnd = 0;
  if (effectStart.is_set())
    effectEnd = effectStart.get() + aesEffectDuration(source_row);

  // Expired. Show only if younger than m_offset
  if (effectStart.is_set() &&
      effectEnd + m_offset > m_session->partitionTime())
    return true;

  return false;
}
} // namespace AreaEffectSimulation