/**
 * @file PswGen/Generator/module.h
 * @brief Implementation of the iGenerator interface
 * @author Enar Vaikene
 *
 * Copyright (c) 2011-2019 Enar Vaikene
 *
 * This file is part of the eVaf C++ cross-platform application development framework.
 *
 * This file can be used under the terms of the GNU General Public License
 * version 3.0 as published by the Free Software Foundation and appearing in
 * the file LICENSE included in the packaging of this file. Please review the
 * the following information to ensure the GNU General Public License version
 * 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html.
 *
 * Alternatively, this file may be used in accordance with the Commercial License
 * Agreement provided with the Software.
 */

#ifndef __PSWGEN_GENERATOR_MODULE_H
#  define __PSWGEN_GENERATOR_MODULE_H

#include "igenerator.h"
#include "version.h"

#include <Plugins/iPlugin>

#include <QObject>
#include <QString>

namespace eVaf {
namespace PswGen {

/// Module that generates strong passwords using cryptographic methods
namespace Generator {

/// Internal implementation of the Generator module
namespace Internal {
    class GeneratorImpl;
} // namespace eVaf::PswGen::Generator::Internal

/**
 * Module implementing the iGenerator interface.
 */
class Module : public Plugins::iPlugin
{
    Q_OBJECT
    Q_INTERFACES(eVaf::Plugins::iPlugin)
    Q_PLUGIN_METADATA(IID VER_MODULE_NAME_STR)

public:

    Module();

    virtual ~Module();

    virtual bool init(QString const & args);

    virtual void done();

    virtual bool isReady() const { return true; }


private: // Members

    /// iGenerator interface instance
    Internal::GeneratorImpl * mGenerator;

};


namespace Internal {

/**
 * iGenerator interface implementation.
 *
 * Implements the iGenerator interface using MD5 cryptographic hashes.
 */

class GeneratorImpl : public QObject, public iGenerator
{
    Q_OBJECT
    Q_INTERFACES(eVaf::PswGen::iGenerator)

public:

    GeneratorImpl();

    virtual ~GeneratorImpl();

    virtual QString generatePassword(QString const & name, QString const & masterPassword, int length, uint flags = 0) const;

    virtual int maxLength() const { return 24; }

};

} // namespace eVaf::PswGen::Generator::Internal


} // namespace eVaf::PswGen::Generator
} // namespace eVaf::PswGen
} // namespace eVaf

#endif // module.h