/**************************************************************************
**
** This file is part of Nut project.
** https://github.com/HamedMasafi/Nut
**
** Nut is free software: you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Nut is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with Nut.  If not, see <http://www.gnu.org/licenses/>.
**
**************************************************************************/

#ifndef SQLGENERATORBASE_H
#define SQLGENERATORBASE_H

#include <QtCore/qglobal.h>
#include <QtCore/QObject>
#include <QtCore/QStringList>

QT_BEGIN_NAMESPACE

class Table;
struct FieldModel;
class DatabaseModel;
class TableModel;
class SqlGeneratorBase : public QObject
{
public:
    SqlGeneratorBase(QObject *parent = 0);
    virtual ~SqlGeneratorBase();

    virtual QString masterDatabaseName(QString databaseName);

    virtual QString fieldType(FieldModel *field) = 0;
    virtual QString fieldDeclare(FieldModel *field);

    virtual QStringList diff(DatabaseModel lastModel, DatabaseModel newModel);
    virtual QString diff(FieldModel *oldField, FieldModel *newField);
    virtual QString diff(TableModel *oldTable, TableModel *newTable);


    virtual QString saveRecord(Table *t, QString tableName);
    virtual QString insertRecord(Table *t, QString tableName);
    virtual QString updateRecord(Table *t, QString tableName);
    virtual QString deleteRecord(Table *t, QString tableName);

    virtual QString deleteRecords(QString tableName, QString where);

    virtual QString escapeFieldValue(QVariant &field) const;
};

QT_END_NAMESPACE

#endif // SQLGENERATORBASE_H