/*
	(c) Copyright  2012 - 2018 Anton Sviridenko
	https://picapica.im

	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 <https://www.gnu.org/licenses/>.
*/
#ifndef HISTORY_H
#define HISTORY_H

#include <QString>
#include <QtSql>
#include <QSqlDatabase>
#include <QList>
#include <QMap>

class History
{
public:
	struct HistoryRecord
	{
		QByteArray peer_id;
		bool is_me;
		bool is_delivered;
		quint32 timestamp;
		QString message;
	};

	History(QString storage, QByteArray my_id);
	void Add(QByteArray peer_id, QString message, bool is_me);//is_me - true - message from me to peer, false - from peer to me
	void SetDelivered(QByteArray peer_id); //mark first undelivered message from me to peer as delivered
	QList<HistoryRecord> GetMessages(QByteArray peer_id, quint32 start_timestamp, quint32 end_timestamp);
	QMap<QByteArray, QList<QString> > GetUndeliveredMessages();
	bool isOK();
	QString GetLastError();

private:
	QSqlDatabase dbconn;
	QSqlError lasterr;

	QByteArray me_;
};

#endif // HISTORY_H