/**
 * Copyright (c) Cohesive Integrations, LLC
 * Copyright (c) Codice Foundation
 *
 * This 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 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. A copy of the GNU Lesser General Public License is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 * 
 **/
package net.di2e.ecdr.search.transform.geo.formatter;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.abdera.ext.geo.Position;

import com.vividsolutions.jts.geom.Geometry;

public class MultiPolygon extends Polygon {

    public static final String TYPE = "MultiPolygon";

    public MultiPolygon( Geometry geometry ) {
        super( geometry );

    }

    public static CompositeGeometry toCompositeGeometry( List coordinates ) {
        com.vividsolutions.jts.geom.Polygon[] allPolygons = new com.vividsolutions.jts.geom.Polygon[coordinates.size()];

        for ( int i = 0; i < allPolygons.length; i++ ) {
            allPolygons[i] = buildPolygon( (List) coordinates.get( i ) );

        }
        return new MultiPolygon( GEOMETRY_FACTORY.createMultiPolygon( allPolygons ) );
    }

    @Override
    public Map toJsonMap() {
        Map map = new HashMap();

        if ( TYPE.equals( getGeometry().getGeometryType() ) ) {

            map.put( TYPE_KEY, TYPE );

            List<List> listOfPolygons = new ArrayList<List>();

            for ( int i = 0; i < getGeometry().getNumGeometries(); i++ ) {
                List polygon = buildJsonPolygon( (com.vividsolutions.jts.geom.Polygon) getGeometry().getGeometryN( i ) );
                listOfPolygons.add( polygon );
            }

            map.put( COORDINATES_KEY, listOfPolygons );

        } else {
            throw new UnsupportedOperationException( "Geometry is not a " + TYPE );
        }

        return map;

    }

    @Override
    public List<Position> toGeoRssPositions() {

        List<Position> positions = new ArrayList<Position>();

        for ( int i = 0; i < getGeometry().getNumGeometries(); i++ ) {

            CompositeGeometry compositeGeo = CompositeGeometry.getCompositeGeometry( getGeometry().getGeometryN( i ) );

            positions.addAll( compositeGeo.toGeoRssPositions() );
        }

        return positions;

    }

}