// This file is part of RSS Guard.
//
// Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard 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.
//
// RSS Guard 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 RSS Guard. If not, see <http://www.gnu.org/licenses/>.

#ifndef WEBFACTORY_H
#define WEBFACTORY_H

#include <QObject>

#include "core/messagesmodel.h"

#include <QMap>

#if defined (USE_WEBENGINE)
#include <QWebEngineSettings>
#endif


#if defined (USE_WEBENGINE)
class QMenu;
#endif

class WebFactory : public QObject {
    Q_OBJECT

	public:
    // Constructor.
    explicit WebFactory(QObject* parent = nullptr);

		// Destructor.
		virtual ~WebFactory();

		// Strips "<....>" (HTML, XML) tags from given text.
		QString stripTags(QString text);

		// HTML entity escaping.
		QString escapeHtml(const QString& html);
		QString deEscapeHtml(const QString& text);

		QString toSecondLevelDomain(const QUrl& url);

#if defined (USE_WEBENGINE)
    QAction* engineSettingsAction();
#endif

	public slots:
		// Opens given string URL in external browser.
		bool openUrlInExternalBrowser(const QString& url);
		bool sendMessageViaEmail(const Message& message);

#if defined (USE_WEBENGINE)
  private slots:
    void createMenu(QMenu* menu = nullptr);
    void webEngineSettingChanged(bool enabled);

  private:
    QAction* createEngineSettingsAction(const QString& title, QWebEngineSettings::WebAttribute attribute);
#endif

	private:
		// Escape sequences generators.
		void genereteEscapes();
		void generateDeescapes();

		QMap<QString, QString> m_escapes;
		QMap<QString, QString> m_deEscapes;

#if defined (USE_WEBENGINE)
    QAction* m_engineSettings;
#endif
};

#endif // WEBFACTORY_H