/**
  * @RDE_HEADER@
  *
  * TableModel for dynamic topics
  *
  * $Id$
  * $HeadURL$
  * $Author$
  */

#pragma once

#include <QAbstractItemModel>
#include <QSortFilterProxyModel>
#include <QVector>
#include <QDateTime>
#include <QSharedPointer>
#include <QStringList>

#include <dds/core/xtypes/DynamicData.hpp>

#include <LtsUtilsCore/data_modification_enum.h>
#include "logger.h"

class QDomDocument;
class QDomElement;
class TelegramSortModel;

class TelegramModel final : public QAbstractTableModel
{
  Q_OBJECT
public:
  explicit TelegramModel(QObject *parent = nullptr);

  enum Column
  {
    DateTime  = 0,
    TopicName = 1,
    TypeName  = 2,
    Info      = 3,
    Maximum   = Info
  };

  struct TelegramData
  {
    QDateTime                       dateTime;
    std::string                     typeName;
    QString                         topicName;
    QString                         info;
    DataModification                modType;
    QSharedPointer<dds::core::xtypes::DynamicData> legatusData;

    void toXml(QDomDocument &doc, QDomElement &de) const;
    bool fromXml(QDomElement &de);
  };

  int rowCount(const QModelIndex &parent) const override;
  int columnCount(const QModelIndex &parent) const override;
  QVariant data(const QModelIndex &index, int role) const override;
  QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
  TelegramData telegramData(const QModelIndex &index) const;

  void processData(const dds::core::xtypes::DynamicData &data, const QString &topicName, DataModification modType);

  const QString topicName(const QModelIndex &index) const;
  const std::string typeName(const QModelIndex &index) const;
  const QSharedPointer<dds::core::xtypes::DynamicData> dynamicData(const QModelIndex &index) const;
  Qt::ItemFlags flags(const QModelIndex &index) const override;

  Qt::DropActions supportedDropActions() const override;
  bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
  QMimeData *mimeData(const QModelIndexList &indexes) const override;
  QStringList mimeTypes() const override;

  void onTypeCodeInfosChanged();

  bool deleteRow(const QModelIndex &index);

public slots:
  void onClear();

signals:
  void send(const QSharedPointer<dds::core::xtypes::DynamicData> &data, const QString &topicName);

private:
  QString getString(const dds::core::xtypes::DynamicData &data, uint32_t member_index) const;
  QString getInfo(const dds::core::xtypes::DynamicData &data, const QString &topicName) const;
  QMap<QString, QString> getInfoInternal(const dds::core::xtypes::DynamicData &data, const QStringList &fields) const;


  QVector<TelegramData>       m_data;
  QMap<QString, QStringList>  m_infoList;
  NGL::INGLLogger            &m_logger;

  friend class TelegramSortModel;
};

class TelegramSortModel final : public QSortFilterProxyModel
{
  Q_OBJECT
public:
  using QSortFilterProxyModel::QSortFilterProxyModel;
protected:
  bool lessThan(const QModelIndex &left,
                const QModelIndex &right) const override;
};