/*
    QAD - Qt ADvanced

	Ivan Pelipenko peri4ko@yandex.ru

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef osm_geocoding_h
#define osm_geocoding_h

#include "qad_map_export.h"

#include <QGeoCoordinate>
#include <QJsonDocument>
#include <QObject>
#include <QPointF>

class QNetworkReply;
class QNetworkAccessManager;


class QAD_MAP_EXPORT OSMGeocodingResult: public QObject {
	Q_OBJECT
	friend class OSMGeocoding;

public:
	void abort();

	bool isEmpty() const { return res.isEmpty(); }
	QJsonDocument result() const { return res; }
	QString displayName() const;
	QPointF resultCoordinate() const;

private:
	OSMGeocodingResult(QObject * parent);
	~OSMGeocodingResult();

	void requestDone();
	QJsonDocument res;
	QNetworkReply * reply = nullptr;

signals:
	void ready(OSMGeocodingResult *);
};


class QAD_MAP_EXPORT OSMGeocoding: public QObject {
	Q_OBJECT

public:
	static OSMGeocodingResult * queue(QPointF coord);
	static OSMGeocodingResult * queue(QGeoCoordinate coord) { return queue(QPointF(coord.latitude(), coord.longitude())); }

private:
	explicit OSMGeocoding();
	~OSMGeocoding();

	static OSMGeocoding * instance();

	OSMGeocodingResult * reverseCoding(QPointF coord);

	QNetworkAccessManager * nam = nullptr;
	QString provider;

public slots:

private slots:

signals:
};


#endif