/*
    * Copyright 2022 the original author or authors.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.bremersee.geojson.converter.serialization;
  
  import static java.util.Collections.unmodifiableList;
  import static java.util.Objects.isNull;
  import static org.bremersee.geojson.GeoJsonConstants.POLYGON;
  
  import java.io.Serial;
  import java.util.ArrayList;
  import java.util.List;
  import org.locationtech.jts.geom.Polygon;
  
  /**
   * The type Polygon to json converter.
   *
   * @author Christian Bremer
   */
  class PolygonToJsonConverter extends AbstractGeometryToJsonConverter<Polygon> {
  
    @Serial
    private static final long serialVersionUID = 1L;
  
    /**
     * The Coordinate sequence converter.
     */
    final CoordinateSequenceToListConverter coordinateSequenceConverter;
  
    /**
     * Instantiates a new Polygon to json converter.
     *
     * @param coordinateSequenceConverter the coordinate sequence converter
     * @param withBoundingBox the with bounding box
     */
    PolygonToJsonConverter(
        CoordinateSequenceToListConverter coordinateSequenceConverter,
        boolean withBoundingBox) {
  
      super(withBoundingBox);
      if (isNull(coordinateSequenceConverter)) {
        throw new IllegalArgumentException("Coordinate sequence converter must be present.");
      }
      this.coordinateSequenceConverter = coordinateSequenceConverter;
    }
  
    @Override
    String getGeometryType() {
      return POLYGON;
    }
  
    @Override
    Object getGeometryJsonValue(Polygon source) {
      List<List<List<Number>>> list = new ArrayList<>();
      list.add(coordinateSequenceConverter
          .convert(source.getExteriorRing().getCoordinateSequence()));
      for (int i = 0; i < source.getNumInteriorRing(); i++) {
        list.add(coordinateSequenceConverter
            .convert(source.getInteriorRingN(i).getCoordinateSequence()));
      }
      return unmodifiableList(list);
    }
  }