/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2015 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth 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 2 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 OSGEARTH_DRIVER_REFRESH_MAPLAYERFACTORY
#define OSGEARTH_DRIVER_REFRESH_MAPLAYERFACTORY 1

#include <osgEarth/Common>
#include <osgEarth/TileSource>
#include <osgEarth/URI>

namespace osgEarth { namespace Drivers
{
    using namespace osgEarth;

    class RefreshOptions : public TileSourceOptions // NO EXPORT; header only
    {
    public:
        optional<URI>& url() { return _url; }
        const optional<URI>& url() const { return _url; }

        optional<double>& frequency() { return _frequency; }
        const optional<double>& frequency() const { return _frequency; }

    public:
        RefreshOptions( const TileSourceOptions& opt =TileSourceOptions() ) : TileSourceOptions( opt )
        {
            setDriver( "refresh" );
            frequency() = 2.0;            
            fromConfig( _conf );
        }

        RefreshOptions( const std::string& inUrl, double inFrequency ) : TileSourceOptions()
        {
            setDriver( "refresh" );
            fromConfig( _conf );
            _url = inUrl;
             _frequency = inFrequency;
        }

        /** dtor */
        virtual ~RefreshOptions() { }

    public:
        Config getConfig() const {
            Config conf = TileSourceOptions::getConfig();
            conf.updateIfSet("url", _url);
            conf.updateIfSet("frequency", _frequency);            
            return conf;
        }

    protected:
        void mergeConfig( const Config& conf ) {
            TileSourceOptions::mergeConfig( conf );
            fromConfig( conf );
        }

    private:
        void fromConfig( const Config& conf ) {
            conf.getIfSet( "url", _url );
            conf.getIfSet( "frequency", _frequency );
        }

        optional<URI>         _url;
        optional<double>      _frequency;
    };

} } // namespace osgEarth::Drivers

#endif // OSGEARTH_DRIVER_TMS_MAPLAYERFACTORY