/**
 * Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
 *
 * 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.onebusaway.api.actions.api.where;

import java.io.IOException;

import org.apache.struts2.rest.DefaultHttpHeaders;
import org.onebusaway.api.actions.api.ApiActionSupport;
import org.onebusaway.api.model.transit.BeanFactoryV2;
import org.onebusaway.api.model.transit.ItineraryV2BeanFactory;
import org.onebusaway.api.model.transit.tripplanning.GraphResultV2Bean;
import org.onebusaway.exceptions.ServiceException;
import org.onebusaway.transit_data.model.ListBean;
import org.onebusaway.transit_data.model.tripplanning.VertexBean;
import org.onebusaway.transit_data.services.TransitDataService;
import org.springframework.beans.factory.annotation.Autowired;

public class StreetGraphForRegionAction extends ApiActionSupport {

  private static final long serialVersionUID = 1L;

  private static final int V2 = 2;

  private TransitDataService _transitDataService;

  private double _latFrom;

  private double _lonFrom;

  private double _latTo;

  private double _lonTo;

  public StreetGraphForRegionAction() {
    super(V2);
  }

  @Autowired
  public void setTransitDataService(TransitDataService transitDataService) {
    _transitDataService = transitDataService;
  }

  public void setLatFrom(double latFrom) {
    _latFrom = latFrom;
  }

  public void setLonFrom(double lonFrom) {
    _lonFrom = lonFrom;
  }

  public void setLatTo(double latTo) {
    _latTo = latTo;
  }

  public void setLonTo(double lonTo) {
    _lonTo = lonTo;
  }

  public DefaultHttpHeaders index() throws IOException, ServiceException {

    ListBean<VertexBean> vertices = _transitDataService.getStreetGraphForRegion(
        _latFrom, _lonFrom, _latTo, _lonTo);

    BeanFactoryV2 factory = getBeanFactoryV2();
    ItineraryV2BeanFactory itineraryFactory = new ItineraryV2BeanFactory(
        factory);

    GraphResultV2Bean bean = itineraryFactory.getGraphResult(vertices.getList());
    return setOkResponse(factory.entry(bean));
  }

}