/**
  * @RDE_HEADER@
  * ExerciseManangement - Exercise Overview Dialog
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2016-02-29
  */


#include "exm_dialog.h"
#include "ui_exm_dialog.h"

#include "exm_dialog_model.h"
#include "exm_edit_dialog.h"

#include "CustomViews/exm_exercise.h"

#include <Plugins/ExerciseManagement/exm_data_plugin_interface.h>
#include <Plugins/AssetManagement/asm_data_plugin_interface.h>
#include <Plugins/ProjectDataManagement/pdm_data_plugin_interface.h>
#include <Services/FileManagement/flm_ftc.h>
#include <LtsSession/lts_session_data.h>
#include <LtsUtilsSettings/settings.h>


namespace ExerciseManagement
{
//---------------------------------
// ExerciseManagementDialog
//---------------------------------
ExerciseManagementDialog::ExerciseManagementDialog(const QString &menuGroup, QWidget *parent)
  : LtsWidgets::LtsDialog(parent, LtsWidgets::ButtonCombination::CloseOnly)
  , m_model(nullptr)
  , m_ui(new Ui::ExerciseManagementDialog)
  , m_session(nullptr)
  , m_ftc(nullptr)
  , m_menuGroup(menuGroup)
  , m_requestHelper(new LtsUtils::RequestHelper(this))
  , m_logger(getLogger("ExerciseManagementDialog"))
{
  m_ui->setupUi(this);
  setOnlineHelpFilename(QStringLiteral("Administrator-Exercises"));

  m_buttonBox->connectButton(LtsWidgets::DialogButton::Add, this, &ExerciseManagementDialog::onAddExercise);
  m_buttonBox->connectButton(LtsWidgets::DialogButton::Edit, this, &ExerciseManagementDialog::onEditExercise);
  m_buttonBox->connectButton(LtsWidgets::DialogButton::Remove, this, &ExerciseManagementDialog::onRemoveExercise);

  connect(m_ui->widget, &LtsDataView::LtsDataView::signalDoubleClicked,
          this, &ExerciseManagementDialog::onEditExercise);
}

ExerciseManagementDialog::~ExerciseManagementDialog()
{
  delete m_ui;
}

void ExerciseManagementDialog::retranslate()
{
  translate(m_ui, tr("Exercises"));
}

void ExerciseManagementDialog::tableColumnOrganiserSetting()
{
  //LtsColumnOrganiser
  m_ui->widget->setColumnsOrganiserEnabled(identifier(), true);
}

bool ExerciseManagementDialog::init(LtsSession::LtsSessionDataDds *session)
{
  m_session = session;
  std::shared_ptr<ExerciseManagement::Interface::Dtc>    dtc;
  std::shared_ptr<AssetManagement::Interface::Dtc>       asmDtc;
  std::shared_ptr<ProjectDataManagement::Interface::Dtc> pdmDtc;

  if (!m_session->getDtc<ExerciseManagement::DataInterface>(dtc))
    return false;
  if (!m_session->getFtc<ExerciseManagement::DataInterface>(m_ftc))
    return false;
  if (!m_session->getDtc<ProjectDataManagement::DataInterface>(pdmDtc))
    return false;
  if (!m_session->getDtc<AssetManagement::DataInterface>(asmDtc))
    return false;
  if (!m_session->getDtc<FileManagement::DataInterface>(m_flmDtc))
    return false;
  if (!m_session->getFtc<FileManagement::DataInterface>(m_flmFtc))
    return false;

  m_flmDtc->enableAll();

  m_model = new ExerciseManagementDialogModel(this);
  m_model->initModel(dtc, m_ftc, asmDtc, pdmDtc, true);
  auto proxy = new ExerciseManagementProxyModel(this);
  proxy->setSourceModel(m_model);
  proxy->setAdminExerciseVisible(false);
  proxy->setVisibleExerciseIds({-1});

  m_ui->widget->setModel(proxy, [this]() { return new CustomViewExercise(this); });
  m_ui->widget->hideColumn(ExerciseManagementDialogModel::Image);
  const bool hasLinkedExercises = LtsUtils::ProjectSettings::isFunctionEnabled(QStringLiteral("Exercises"),
                                                                               QStringLiteral("CanBeLinked"));
  const bool hasHlaInterface = LtsUtils::ProjectSettings::isFunctionEnabled(QStringLiteral("Exercises"),
                                                                            QStringLiteral("HasHlaInterface"));
  m_ui->widget->setColumnHidden(ExerciseManagementDialogModel::LinkedId, !hasLinkedExercises);
  m_ui->widget->setColumnHidden(ExerciseManagementDialogModel::HasHlaInterface, !hasHlaInterface);

  connect(m_ui->widget, &LtsDataView::LtsDataView::signalSelectionChanged,
          this, &ExerciseManagementDialog::enaDisa);

  enaDisa();

  LtsUtils::ProjectSettings *ps = LtsUtils::ProjectSettings::getInstance();
  const bool enableEditPhases = ps->value(QStringLiteral("exm"),
                                          QStringLiteral("enableEditPhases")).toBool();
  if (!enableEditPhases)
    m_ui->widget->hideColumn(ExerciseManagementDialogModel::ActivePhase);

  return true;
}

void ExerciseManagementDialog::enaDisa()
{
  QModelIndexList selectedRows = m_ui->widget->selectedRows();
  const int cntSelectedRows = selectedRows.size();
  m_buttonBox->setButtonEnabled(LtsWidgets::DialogButton::Edit, cntSelectedRows == 1);
  const QModelIndex curIdx = m_ui->widget->currentIndex();
  const ExerciseManagement::ExerciseState state = m_model->getRowData(curIdx.row()).state();
  const bool isRemovable = (state == ExerciseManagement::ExerciseState::Unknown ||
                            state == ExerciseManagement::ExerciseState::Created ||
                            state == ExerciseManagement::ExerciseState::Stopped ||
                            state == ExerciseManagement::ExerciseState::Terminated);
  m_buttonBox->setButtonEnabled(LtsWidgets::DialogButton::Remove, curIdx.isValid() && isRemovable);
}

void ExerciseManagementDialog::onAddExercise()
{
  ExerciseManagementEditDialog *dialog = new ExerciseManagementEditDialog(this);
  dialog->init(m_session, m_menuGroup, -1 /* new exercise */);

  addDialog(dialog, m_menuGroup, QStringLiteral("NewExercise"));
}

void ExerciseManagementDialog::onRemoveExercise()
{
  const QModelIndex curIdx = m_ui->widget->currentIndex();
  if (!curIdx.isValid())
    return;
  const int exId = m_model->getRowData(curIdx.row()).id();  
  const int folderId = m_flmDtc->getExerciseFolderId(exId);

  if (folderId > 0)
  {
    Core::RemoveElementRequest req(folderId);
    m_requestHelper->startSingleRequest([req, this]()
    {
      return m_flmFtc->folderRemoveRequest(req, this);
    });
  }

  ExerciseManagement::ExerciseRemoveRequest req(exId, false);
  m_requestHelper->startSingleRequest([req, this]()
  {
    m_ftc->enableExerciseRemove();
    return m_ftc->exerciseRemoveRequest(req, this);
  });
}

void ExerciseManagementDialog::onEditExercise()
{
  const QModelIndex idx = m_ui->widget->currentIndex();
  const Exercise ex = m_model->getRowData(idx.row());

  if (ex.id() <= 0)
    return;
  DEBUG_LOG(m_logger) << "current EXId: " << ex.id();

  ExerciseManagementEditDialog *dialog = new ExerciseManagementEditDialog(this);

  dialog->init(m_session, m_menuGroup, ex.id());
  const QString identifier = QStringLiteral("EditExercise%1").arg(ex.id());

  addDialog(dialog, m_menuGroup, identifier);
}

} // namespace ExerciseManagement