/**
 * 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.List;
import java.util.Map;

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

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;

public class MultiPoint extends Point {

    public static final String TYPE = "MultiPoint";

    public MultiPoint( Geometry geometry ) {
        super( geometry );
    }

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

        for ( int i = 0; i < allPoints.length; i++ ) {
            allPoints[i] = GEOMETRY_FACTORY.createPoint( getCoordinate( (List) coordinates.get( i ) ) );
        }

        return new MultiPoint( GEOMETRY_FACTORY.createMultiPoint( allPoints ) );
    }

    @Override
    public Map toJsonMap() {

        return createMap( COORDINATES_KEY, buildCoordinatesList( getGeometry().getCoordinates() ) );

    }

    protected List<List<Double>> buildCoordinatesList( Coordinate[] coordinates ) {
        List<List<Double>> allCoordinatesList = new ArrayList<List<Double>>();

        for ( int i = 0; i < coordinates.length; i++ ) {
            List<Double> singleCoordinatesList = new ArrayList<Double>();
            Coordinate coord = coordinates[i];
            singleCoordinatesList.add( coord.x );
            singleCoordinatesList.add( coord.y );

            allCoordinatesList.add( singleCoordinatesList );
        }
        return allCoordinatesList;
    }

    @Override
    public String toWkt() {
        return getGeometry().toText();
    }

    @Override
    public List<Position> toGeoRssPositions() {

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

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

            Coordinate jtsCoordinate = getGeometry().getCoordinates()[i];

            list.add( new org.apache.abdera.ext.geo.Point( convert( jtsCoordinate ) ) );

        }

        return list;
    }
}