/**
  * @RDE_HEADER@
  * AssignmentParticipantModel
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Norbert Thoden, NLE, 2020-06-29
  */

#pragma once

#include "tgt_participant_handler.h"
#include <TargetManagement/tgt_dtc.h>
#include <TargetManagement/logger.h>

#include <LtsWidgets/lts_abstract_table_model.h>
#include <LtsWidgets/lts_column_filter_proxy_model.h>
#include <LtsSession/lts_session.h>

namespace TargetManagement
{

// Forward:
class ParticipantHandler;

bool isEqual(const ShootbackConfiguration &c1, const ShootbackConfiguration &c2);
bool isDefault(const ShootbackConfiguration &c);
bool isEqual(const TargetAreaAssignment &a1, const TargetAreaAssignment &a2, bool ignoringAreaIdAndParticipantId = false);

// --------------------------------------------------------
// AssignmentParticipantModel
// --------------------------------------------------------
class AssignmentParticipantModel final : public LtsWidgets::LtsAbstractTableModel<TargetManagement::TargetAreaAssignment>
{
  Q_OBJECT
  using BaseClass = LtsWidgets::LtsAbstractTableModel<TargetManagement::TargetAreaAssignment>;

public:
  enum Columns
  {
    Id,
    AssignmentName,
    IsActive,

    // associated target:
    TargetId,
    TargetName,
    // (associated participant):
    TargetPartipantId,
    TargetPartipantEquipmentNumber,
    Participant,

    // associated area
    AreaId,
    AreaName,

    // configuration
    Interval_1,
    Flash_1,
    Effect_1,
    Interval_2,
    Flash_2,
    Effect_2

  };

  explicit AssignmentParticipantModel(QObject *parent = nullptr);

  bool initModel(const std::shared_ptr<Interface::Dtc> &tgtDtc,
                 const std::shared_ptr<ParticipantManagement::Interface::Dtc> &ppmDtc,
                 const std::shared_ptr<ParticipantManagement::ForeignGuiComboboxInterface> &ppmGuiCbxIfc,
                 LtsSession::LtsSession *session);

  QVariant headerData(int section, Qt::Orientation orientation, int role) const override final;
  QVariant data(const QModelIndex &, int) const override;
  bool setData(const QModelIndex &index, const QVariant &value, int role) override;
  Qt::ItemFlags flags(const QModelIndex &index) const override;

  const QHash <int, QString> &getParticipantHierarchies() const    { return m_participantHandler->getParticipantHierarchies();  }
  const QHash <int, QPixmap> &getParticipantDecorations() const    { return m_participantHandler->getParticipantDecorations();  }
  QSet<int>                   getAssociatedParticipantIds() const;
  QSet<int>                   getAssociatedParticipantIdsForArea(int areaId) const;
  QSet<int>                   getAssociatedAreasIdsForParticipantId(int participantId) const;

  int findRowForAreaTargetParticipantId(int areaId, int targetParticipantId);

  const QVector<TargetAreaAssignment> &getData() const { return m_vecData; }

  void addGapFillerForArea(int areaId);
  void addGapFillerForTargetParticipantId(int targetParticipantId);

Q_SIGNALS:
  void signalParticipantNamesChanged();
  void signalEditableItemChanged();

private Q_SLOTS:
  void onTargetAreaAssignmentChanged(const TargetManagement::TargetAreaAssignment &data,
                                     DataModification modType);
  void updateColumnFilter();

private:
  QString effectToString(const TargetManagement::Effect &effect) const;

  friend class AssignmentParticipantProxyModel;
  std::shared_ptr<TargetManagement::Interface::Dtc>                   m_tgt_dtc;
  ParticipantHandler                                                 *m_participantHandler{nullptr};
  LtsSession::LtsSession                                             *m_session{nullptr};

  QIcon m_yes{QLatin1String("icon:yes.svg")};
  QIcon m_no{QLatin1String("icon:no.svg")};

  // column filter
  QSet<int>         m_usedIsActive; // Assigned
  QSet<int>         m_usedAreaIds;
  QSet<QString>     m_usedAreas;

  QSet<int>         m_usedTargetIds;
  QSet<QString>     m_usedTargets;

  QSet<int>         m_usedTargetParticipantIds;
  QSet<int>         m_usedParticipantEqNo;
  QSet<QString>     m_usedParticipants;
  // continue with all configuration data???


  LOGGER_T          m_logger;
};



// --------------------------------------------------------
// AssignmentParticipantProxyModel
// --------------------------------------------------------
class AssignmentParticipantProxyModel : public LtsWidgets::LtsColumnFilterProxyModel
{
  Q_OBJECT
  using BaseClass = LtsWidgets::LtsColumnFilterProxyModel;

public:
  using LtsWidgets::LtsColumnFilterProxyModel::LtsColumnFilterProxyModel;
  void setSourceModel(QAbstractItemModel *sourceModel) override;

  int getFilterToAreaId() const { return m_areaId; }
  void filterToAreaId(int areaId = -1);
  int getFilterToTargetParticpantId() const { return m_targetParticipantId; }
  void filterToTargetParticpantId(int targetParticpantId = -1);

protected:
  bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override final;
  bool lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const override;

protected:
  AssignmentParticipantModel *m_sourceModel{nullptr};

  int                         m_areaId{-1};
  int                         m_targetParticipantId{-1};
};


} //namespace TargetManagement