#ifndef NOTEBOOKMODEL_H
#define NOTEBOOKMODEL_H

#include <QtCore/QAbstractItemModel>
#include <QtCore/QDir>
#include <QtCore/QFileSystemWatcher>

class NotebookModel : public QAbstractItemModel
{
	Q_OBJECT

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

	static QString defaultDataDirectory();
	static QString userDataDirectory();

	QString penDirectory(const QString &name) const;
	QString notebookDirectory(const QString &penName, const QString &nbName) const;
	QString notebookDirectory(const QModelIndex &index) const;
	QString paperReplayDirectory(const QString &name) const;

	QVariant data(const QModelIndex &index, int role) const;
	Qt::ItemFlags flags(const QModelIndex &index) const;
	QModelIndex index(int row, int column, const QModelIndex &parent) const;
	QModelIndex parent(const QModelIndex &child) const;
	int rowCount(const QModelIndex &parent) const;
	int columnCount(const QModelIndex &parent) const;

signals:

public slots:
	void refresh();
	void refreshPen(const QString &name);

private:

private:
	int indexOfPen(const QString &name);
	QDir penDir(const QString &pen) const;
	QDir notebookDir(const QString &pen, const QString &notebook) const;
	QIcon getNotebookIcon(const QString &pen, const QString &notebook) const;
	bool isPenLocked(const QString &pen) const;
	bool isNotebookLocked(const QString &pen, const QString &notebook) const;

	int estimatePagesOfNotebook(const QString &pen, const QString &notebook) const;

private slots:
	void handleChangedDirectory(const QString &path);

private:
	QDir _dataDir;
	QFileSystemWatcher _watcher;
	QStringList _pens;
	QHash<QString, QStringList> _notebooks;
};

#endif // NOTEBOOKMODEL_H