#ifndef METADATAMODEL_H
#define METADATAMODEL_H

#include <QVector>
#include <QAbstractItemModel>

enum Sections : int;
class MetadataSection;
class MetadataModel : public QAbstractItemModel
{
    Q_OBJECT
public:
    MetadataModel();
    ~MetadataModel() override;

    void setFile(const QString & url);
    void setImageSize(const QSize & size);

    QModelIndex index(int row, int col, const QModelIndex& parent = QModelIndex()) const override;
    QModelIndex parent(const QModelIndex & index) const override;
    int rowCount(const QModelIndex & parent = QModelIndex()) const override;
    int columnCount(const QModelIndex & = QModelIndex()) const override;
    QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const override;

private:
    QList<MetadataSection *> m_sections; // associated pointers free at destructor function.
    QMap<Sections, MetadataSection *> m_sectionEnumIndexMap; // pointer shared with m_sections

    void initGeneralSection();
    bool sectionRegister(Sections sectionType, MetadataSection * section);
    void setSectionEntryValue(Sections sectionType, const QString & key, const QString & value);
    MetadataSection * section(Sections sectionType);
    QVariant displayData(const QModelIndex & index) const;
};

#endif // METADATAMODEL_H