/**
 * 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.Arrays;
import java.util.HashMap;
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 Point extends CompositeGeometry {

    private Geometry geometry;

    public static final String TYPE = "Point";

    public Point( Geometry geometry ) {
        if ( geometry == null ) {
            throw new IllegalArgumentException( "Geometry argument must not be null" );
        }

        if ( isNotType( geometry ) ) {
            throw new IllegalArgumentException( "Geometry is not a " + this.getClass().getName() );
        }
        this.geometry = geometry;
    }

    protected boolean isNotType( Geometry geo ) {
        return !this.getClass().getSimpleName().equals( geo.getGeometryType() );
    }

    /**
     * 
     * @param coordinates
     *            [x,y] coordinate list
     */
    public static CompositeGeometry toCompositeGeometry( List coordinates ) {
        return new Point( GEOMETRY_FACTORY.createPoint( getCoordinate( coordinates ) ) );
    }

    @Override
    public Map toJsonMap() {

        List<Double> coordinatesList = new ArrayList<Double>();
        coordinatesList.add( geometry.getCoordinate().x );
        coordinatesList.add( geometry.getCoordinate().y );

        return createMap( COORDINATES_KEY, coordinatesList );

    }

    protected Map createMap( String key, List objects ) {

        Map map = new HashMap();
        map.put( TYPE_KEY, this.getClass().getSimpleName() );
        map.put( key, objects );
        return map;

    }

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

    @Override
    public Geometry getGeometry() {
        return this.geometry;
    }

    @Override
    public List<Position> toGeoRssPositions() {

        return Arrays.asList( (Position) new org.apache.abdera.ext.geo.Point( convert( geometry.getCoordinate() ) ) );
    }

    protected org.apache.abdera.ext.geo.Coordinate convert( Coordinate jtsCoordinate ) {

        return new org.apache.abdera.ext.geo.Coordinate( jtsCoordinate.y, jtsCoordinate.x );

    }

}