#ifndef DATABASEMANAGER_H
#define DATABASEMANAGER_H
#include <QSql>
#include <QSqlDatabase>
#include <QSqlQuery>
#include <QSqlError>

#include <QVariant>
#include <QDebug>
#include "subject.h"
#include "token.h"
#include <QDateTime>


class DatabaseManager : public QObject
{
    Q_OBJECT
public:
    DatabaseManager(QString host, QString dbName, QString user, QString password);

    void saveSubject(Subject* subject, QString table);
    void saveToken(Token* token, QString table);
    void saveSubjectAttribute(Subject* subject, QString table);
    void deleteItem(QString id, QString table);

    QString getTestMessage(int id);
    int createTestRecord(QString msg);
    //
    void makeTestingLast_sync();
    //

    void dropTables();
    void createTables();

    bool getOpened() {return opened;}
    uint64_t getLastUpdate();
    void updateLastSync();

    QSqlQuery* getTokensToAdd();
    QSqlQuery* getTokensToDelete();

    QUuid getId(QString name);


private:
    bool checkIfExists(QString id, QString table);


private:
    QSqlDatabase db;
    QSqlQuery query;

    bool opened;


};

#endif // DATABASEMANAGER_H