#pragma once

#include <QAbstractTableModel>

using Data = QVector<QVariant>;
using DataList = QVector<Data>;
using HeaderList = QVector<QPair<QString, QVariant::Type>>;

class DataModel: public QAbstractTableModel
{
  Q_OBJECT

public:
  explicit DataModel(QObject* parent = nullptr);


  //void fillModel(const HeaderList &headerList, const DataList &dataList);
  void dataListReserve(const int size);
  void addLine(const Data& data);
  void addColumn(const QString& columnName, QVariant::Type type);
  const HeaderList& getHeaderList() const;



  void setTableName(const QString& tableName);
  QString getTableName() const;
  void setEditable(bool editable);

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


  void deleteLines(const QList<QModelIndex> &affectedRowsList);

private:
  HeaderList m_headerList;
  DataList m_dataList;

  // Threading...
  HeaderList m_newHeaderList;
  DataList m_newDataList;


  QString m_tableName;
  Qt::ItemFlags m_flags;

  QAtomicInt m_idle;

  void resetFlags();


public slots:
  void slotSwapLists();
  void slotSetData(const QModelIndex &index, const QVariant &value);

signals:
  void signalSetData(DataModel*, const QModelIndex &, const QVariant &);
};