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#ifndef CARD_H
#define CARD_H

#include <QtCore>

#include "../study/StudyRecord.h"

class Dictionary;
class DicRecord;
class ICardPack;

class Card: public QObject
{
Q_OBJECT

public:
    Card(const ICardPack* cardPack, QString qst = ""):
        cardPack(cardPack), question(qst) {}

    bool operator==( const Card& another ) const;
    QString getName() const;
    const ICardPack* getCardPack() const { return cardPack; }
    QString getQuestion() const { return question; }
    QStringList getAnswers();
    QList<const DicRecord*> getSourceRecords();
    StudyRecord getStudyRecord() const;
    bool isScheduledAndReviewed() const;

private:
    void generateAnswers();
    void clearAnswers();
    QMultiHash<QString, QString> getAnswerElements();
    void generateAnswersFromElements(const QMultiHash<QString, QString>& answerElements);
    QStringList getAnswerElementsForField(const QMultiHash<QString, QString>& answerElements,
        const QString& fieldName) const;

private slots:
    void dropAnswers();

signals:
    void answersChanged() const;
    
private:
    const ICardPack* cardPack;
    QString question;
    QStringList answers;
    QList<const DicRecord*> sourceRecords;
};

#endif