#ifndef REPLAYDATA_H
#define REPLAYDATA_H

#include <QtCore/QDateTime>
#include <QtCore/QDir>
#include <QtCore/QHash>
#include <QtCore/QMultiMap>
#include <QtCore/QVector>

class ReplayData : public QObject
{
	Q_OBJECT

public:
	explicit ReplayData(QObject *parent = 0);

	bool open(const QString &path);
	void close();

	struct Session {
		QDateTime start, end;
		QString name;
		QVector<quint64> pages;
		QString file;
	};

	QList<Session> sessions(quint64 penId, quint64 notebookId);
	QList<Session> sessions(quint64 penId, quint64 notebookId, quint64 pageAddress);

private:
	struct NotebookData {
		QHash<uint, Session> sessions;
		QMultiMap<quint64, uint> byPage;
	};

private:
	bool findSessions();

	static bool parseSessionInfo(Session &session, const QString &path);
	static bool parseSessionInfo(Session &session, QIODevice *dev);
	static bool parseSessionInfoV3(Session &session, QIODevice *dev);

	static bool parseSessionPages(Session &session, const QString &path);
	static bool parseSessionPages(Session &session, QIODevice *dev);
	static bool parseSessionPagesV1(Session &session, QIODevice *dev);

private:
	QDir _dir;
	QHash<quint64, QHash<quint64, NotebookData> > _notebooks; // TODO Cache on demand
	// /userdata/XXX-XXX-XXX-XX/Paper Replay/99/0bf11a726d11f3f3/sessions/PRS-21977890a4
};

#endif // REPLAYDATA_H