/* -*-c++-*- */
/* osgEarth - Geospatial SDK for OpenSceneGraph
* Copyright 2020 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* 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 OSGEARTHUTIL_TILEINDEXBUILDER_H
#define OSGEARTHUTIL_TILEINDEXBUILDER_H 1

#include <osgEarth/Common>

#include <osgEarth/TileIndex>

namespace osgEarth { namespace Contrib
{    
	/**
	 * Utility class for buildling a TileIndex shapefile.
	 */
	class OSGEARTH_EXPORT TileIndexBuilder : public osg::Referenced
	{
	public:

		/**
		 * Creates a new TileIndexBuilder
		 */
		TileIndexBuilder();

		/**
		 * Sets the progress callback
		 */
		void setProgressCallback( osgEarth::ProgressCallback* progress );

		/**
		 * Gets the list of filenames to process.  If you pass in a directory name
		 * it will recursively try all the files within the directory and it's subdirectories.
		 */
		std::vector< std::string >& getFilenames() { return _filenames; }

		/**
		 * Builds the TileIndex
		 * @param indexFilename
		 *    The filename of the index shapefile to create.
		 * @param srs
		 *    The SRS to use for the output shapefile.  Default is epsg:4326
		 */
		void build(const std::string& indexFilename, const osgEarth::SpatialReference* srs = 0);


	protected:

		void expandFilenames();

		std::string _indexFilename;
		std::vector< std::string > _filenames;
		std::vector< std::string > _expandedFilenames;

		osg::ref_ptr<ProgressCallback> _progress;    
	};

} } // namespace osgEarth::Util

#endif //OSGEARTHUTIL_TILEINDEXBUILDER_H