#ifndef DATAMANAGER_H
#define DATAMANAGER_H

#include "token.h"
#include "subject.h"
#include "requestmanager.h"
#include "databasemanager.h"
#include <QJsonDocument>
#include <qjsonarray.h>


class DataManager : public QObject
{

    Q_OBJECT

public:
    DataManager();

    void localSaveSubjects(QString jsonResponse);
    void localSaveTokens(QString jsonResponse);
    void localSaveSubjectsToDelete(QString jsonResponse);
    void localSaveTokensToDelete(QString jsonResponse);

    void pushSubjectsToDB();
    void pushTokensToDB();
    void deleteSubjectsFromDB();
    void deleteTokensFromDB();

    void updateLastSync();
    uint64_t getLastUpdate();

    bool haveData();
    bool haveChangedData();

    void emptyDatabase();
    void clear();

private:
    DatabaseManager *db = nullptr;
    QList<QPointer<Subject>> subjects;
    QList<QPointer<Token>> tokens;
    QList<QString> subjectsToDelete;
    QList<QString> tokensToDelete;
};

#endif // DATAMANAGER_H