/**
  * @RDE_HEADER@
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Philipp Last, NLSE, 2018-01-11
  */

#include "evl_comment_model.h"

#include <QDateTime>
#include <QColor>
#include <LtsSession/lts_session_manager.h>
#include <ngltools/ngltools_dtg.h>

namespace Evaluations
{
EvlCommentDataViewModel::EvlCommentDataViewModel(QObject *parent) : LtsAbstractTableModel(
{
  tr("Id"),
  tr("Timestamp"),
  tr("Sender"),
  tr("Is personal"),
  tr("Comment"),
  tr("Hierarchy")
},
parent)
{

}


QVariant EvlCommentDataViewModel::data(const QModelIndex &index, int role) const
{
  if (!indexIsValid(index))
    return QVariant();

  if (role == Qt::BackgroundRole)
  {
    const CommentTuple &row = m_vecData.at(index.row());

    if (row.m_receiver.size())
      return QColor(188, 210, 238);
  }

  if (role == Qt::DisplayRole)
  {
    const CommentTuple &row = m_vecData.at(index.row());

    switch (index.column())
    {
    case Id:
      return index.row() + 1;
    case Timestamp:
      return QDateTime::fromMSecsSinceEpoch(row.m_timestamp.currentMSecsSinceEpoch());
    case Sender:
      return row.m_sender;
    case IsPersonal:
      return row.m_receiver.size() ? tr("Yes") : tr("No");
    case Comment:
      return row.m_text;
    case Hierarchy:
      return row.m_hierarchy;

    default:
      break;
    }
  }

  return QVariant();
}

void EvlCommentDataViewProxyModel::setSourceModel(QAbstractItemModel *sourceModel)
{
  m_sourceModel = qobject_cast<EvlCommentDataViewModel*>(sourceModel);
  LtsWidgets::LtsColumnFilterProxyModel::setSourceModel(sourceModel);
}

bool EvlCommentDataViewProxyModel::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const
{
  if (!m_sourceModel ||
      source_left.column() != source_right.column() ||
      !source_left.isValid() ||
      !source_right.isValid())
    return LtsWidgets::LtsColumnFilterProxyModel::lessThan(source_left, source_right);
  const auto &dataLeft = m_sourceModel->m_vecData.at(source_left.row());
  const auto dataRight = m_sourceModel->m_vecData.at(source_right.row());
  switch (source_left.column())
  {
  case EvlCommentDataViewModel::Timestamp:
    return dataLeft.m_timestamp.currentMSecsSinceEpoch() < dataRight.m_timestamp.currentMSecsSinceEpoch();
  case EvlCommentDataViewModel::Id:
  case EvlCommentDataViewModel::Sender:
  case EvlCommentDataViewModel::IsPersonal:
  case EvlCommentDataViewModel::Comment:
  case EvlCommentDataViewModel::Hierarchy:

    break;
  }
  return LtsWidgets::LtsColumnFilterProxyModel::lessThan(source_left, source_right);
}


}