/***************************************************************************
 *   Copyright (C) 2008-2016 by Alexey S. Malakhov <brezerk@gmail.com>     *
 *                                                                         *
 *   This program is free software: you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation, either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *                                                                         *
 ***************************************************************************/

#include "image.h"

Image::Image()
{

}

QList<QStringList> Image::getFields(void) const{
    QList<QStringList> valuelist;
    //                      0     1
    QSqlQuery query("SELECT name, path FROM images ORDER BY name");
    if (query.exec()){
        while (query.next()) {
            QStringList values;
            int i=0;
            while (query.value(i).isValid()){
                values.append(query.value(i).toString());
                i++;
            }
            valuelist.append(values);
        }
    } else {
        qDebug()<<"SqlError: "<<query.lastError();
    }
    return valuelist;
}


QString Image::getPath(const QString name) const{
    QString result;
    QSqlQuery query;
    query.prepare("SELECT path FROM images WHERE name=:name ORDER BY name");
    query.bindValue(":name", name);
    if (query.exec()){
        query.next();
        result = query.value(0).toString();
    } else {
        qDebug()<<"SqlError: "<<query.lastError();
    }
    return result;
}

bool Image::isExistsByName(const QString name) const{
    QSqlQuery query;
    query.prepare("SELECT id FROM images WHERE name=:name");
    query.bindValue(":name", name);
    if (!query.exec()){
        qDebug()<<"SqlError: "<<query.lastError()<<query.executedQuery();
        return false;
    }
    query.first();
    if (query.isValid()){
        return true;
    }
    return false;
}

bool Image::addImage(const QString name, const QString path) const{
    QSqlQuery query;
    query.prepare("INSERT INTO images(name, path) VALUES(:name, :path)");
    query.bindValue(":name", name);
    query.bindValue(":path", path);

    if (!query.exec()){
        qDebug()<<"SqlError: "<<query.lastError()<<query.executedQuery();
        return false;
    }
    return true;
}

bool Image::renameImage(const QString name, const QString old_name) const{
    QSqlQuery query;
    query.prepare("UPDATE images SET name=:name WHERE name=:old_name");
    query.bindValue(":name", name);
    query.bindValue(":old_name", old_name);

    if (!query.exec()){
        qDebug()<<"SqlError: "<<query.lastError()<<query.executedQuery();
        return false;
    }
    return true;
}

bool Image::delImage(const QString name) const{
    QSqlQuery query;
    query.prepare("DELETE FROM images WHERE name=:name");
    query.bindValue(":name", name);

    if (!query.exec()){
        qDebug()<<"SqlError: "<<query.lastError()<<query.executedQuery();
        return false;
    }
    return true;
}
