/***************************************************************************
 *   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 "dir.h"

Dir::Dir()
{
}

QStringList Dir::getDirList(const QString prefix_name) const{
    QStringList valuelist;

    QSqlQuery query;
    query.prepare("SELECT name FROM dir WHERE prefix_id=(SELECT id FROM prefix WHERE name=:prefix_name)");
    query.bindValue(":prefix_name", prefix_name);

    if (query.exec()){
        while (query.next()) {
            if (query.value(0).isValid()){
                valuelist.append(query.value(0).toString());
            }
        }
    } else {
        qDebug()<<"SqlError: "<<query.lastError();
        valuelist.clear();
    }
    return valuelist;
}

bool  Dir::delDir(const QString prefix_name, const QString dir_name) const{
	QSqlQuery query;
	if (dir_name.isEmpty()){
		query.prepare("DELETE FROM dir WHERE prefix_id=(SELECT id FROM prefix WHERE name=:prefix_name)");
	} else {
		query.prepare("DELETE FROM dir WHERE prefix_id=(SELECT id FROM prefix WHERE name=:prefix_name) and name=:dir_name");
		query.bindValue(":dir_name", dir_name);
	}
	query.bindValue(":prefix_name", prefix_name);

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

bool Dir::addDir(const QString prefix_name, const QString dir_name) const{
	QSqlQuery query;
	query.prepare("INSERT INTO dir(name, prefix_id) VALUES(:name, (SELECT id FROM prefix WHERE name=:prefix_name))");
	query.bindValue(":prefix_name", prefix_name);
	query.bindValue(":name", dir_name);

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

bool Dir::isExistsByName(const QString prefix_name, const QString dir_name) const{
	QSqlQuery query;
	query.prepare("SELECT id FROM dir WHERE prefix_id=(SELECT id FROM prefix WHERE name=:prefix_name) AND name=:dir_name");
	query.bindValue(":prefix_name", prefix_name);
	query.bindValue(":dir_name", dir_name);

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

	query.first();
	if (query.isValid()){
		return true;
	}

	return false;
}

QString Dir::getId(const QString dir_name, const QString prefix_name) const{
	QString value;
	QSqlQuery query;

	query.prepare("SELECT id FROM dir WHERE name=:dir_name and prefix_id=(SELECT id FROM prefix WHERE name=:prefix_name)");
	query.bindValue(":dir_name", dir_name);
	query.bindValue(":prefix_name", prefix_name);

	if (query.exec()){
		query.first();
		if (query.isValid()){
			int i=0;
			while (query.value(i).isValid()){
				value.append(query.value(i).toString());
				i++;
			}
		}
	} else {
		qDebug()<<"SqlError: "<<query.lastError();
	}
	return value;
}

bool Dir::renameDir(const QString dir_name, const QString prefix_name, const QString new_dir_name) const{
	QSqlQuery query;
	query.prepare("UPDATE dir SET name=:new_dir_name WHERE name=:dir_name AND prefix_id=(SELECT id FROM prefix WHERE name=:prefix_name)");
	query.bindValue(":prefix_name", prefix_name);
	query.bindValue(":new_dir_name", new_dir_name);
	query.bindValue(":dir_name", dir_name);

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

	return true;
}

