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#ifndef VARIANTSGROUPMODEL_H
#define VARIANTSGROUPMODEL_H

#include <QtCore/qabstractitemmodel.h>

class VariantsTagModel;

using VariantsFilterT = QHash<QString, QSet<QString> >;

class FilterVariantsModel : public QAbstractListModel
{
    Q_OBJECT

public:
    explicit FilterVariantsModel(VariantsFilterT &variantsFilter, QObject *parent = nullptr);

    enum Roles {
        GroupTitleRole = Qt::UserRole + 1,
        GroupColorRole,
        TagsRole
    };

    struct VariantsGroupData
    {
        QString m_title;
        QString m_color;
        VariantsTagModel *m_tagsModel = nullptr;
    };

    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
    QVariant data(const QModelIndex &index, int role = GroupTitleRole) const override;

    Qt::ItemFlags flags(const QModelIndex& index) const override;

    void refresh();

    Q_INVOKABLE void setTagState(const QString &group, const QString &tag, bool selected);
    Q_INVOKABLE void toggleGroupState(const QString &group);
    Q_INVOKABLE void clearAll();

protected:
      QHash<int, QByteArray> roleNames() const override;

private:
      VariantsFilterT &m_variantsFilter;
      QVector<VariantsGroupData> m_data;
};

#endif // VARIANTSGROUPMODEL_H