/*
  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
  2 of the License, or (at your option) any later version.
*/

#ifndef CONSISTENCYCHECK_H
#define CONSISTENCYCHECK_H

#include <QDialog>
#include <QThread>
#include <QSqlDatabase>
#include <QMutex>

class QPushButton;
class QPlainTextEdit;
class QLabel;
class QString;
class QCheckBox;
class ConsistencyChecker;

class ConsistencyCheck : public QDialog {
    Q_OBJECT
	public:
		enum Mode { DbCheck, FsCheck };
		explicit ConsistencyCheck(QWidget *parent = 0, Qt::WindowFlags f = 0);

	private slots:
		void startChecker(int checkerType);
		void addMessage(const QString &message);
		void checkerStarted();
		void checkerFinished();
		void cancelChecker();
		void showErrorsChanged(int state);

	private:
		QPushButton *mCancelExit;
		QPushButton *mCheckDb;
		QPushButton *mCheckFs;
		QPlainTextEdit *mDisplay;
		QLabel *mCheckLabel;
		QCheckBox *mErrorsOnly;
		ConsistencyChecker *mChecker;
};

class ConsistencyChecker : public QThread {
	Q_OBJECT
	public:
		enum Status { Ok, Fail };
		explicit ConsistencyChecker(QObject *parent = 0);
		~ConsistencyChecker();
		int mode() const { return mMode; }
		void setMode(int mode) { mMode = mode; }
		int status() const { return mStatus; }
		void setStatus(int status) { mStatus = status; }
		void check();

	public slots:
		void setCancel(bool cancel);

	private slots:
		void dbCheck();

	signals:
		void consistencyMsg(const QString &msg);

	protected:
		void run();

	private:
		QString archivePath(const QString &fileName, const QString &md5sum) const;
		bool mCanceled;
		int mMode;
		int mStatus;
		QSqlDatabase mDb;
		QMutex mCancelMutex;
};

#endif // CONSISTENCYCHECK_H