/*
    * Copyright 2010 James Pether Sörling
    *
    * 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.
   *
   *	$Id$
   *  $HeadURL$
  */
  package com.hack23.cia.service.component.agent.impl.riksdagen.workgenerator;
  
  import java.nio.charset.StandardCharsets;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.Scanner;
  
  import javax.jms.Destination;
  import javax.jms.JMSException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.stereotype.Service;
  
  import com.hack23.cia.model.external.riksdagen.personlista.impl.PersonElement;
  import com.hack23.cia.model.internal.application.data.impl.RiksdagenDataSources;
  import com.hack23.cia.service.external.riksdagen.api.DataFailureException;
  import com.hack23.cia.service.external.riksdagen.api.RiksdagenPersonApi;
  
  /**
   * The Class RiksdagenPersonsWorkGeneratorImpl.
   */
  @Service("RiksdagenPersonsWorkGeneratorImpl")
  final class RiksdagenPersonsWorkGeneratorImpl extends AbstractRiksdagenDataSourcesWorkGenerator {
  
  	/** The Constant LOGGER. */
  	private static final Logger LOGGER = LoggerFactory.getLogger(RiksdagenPersonsWorkGeneratorImpl.class);
  
  	/** The person element workdestination. */
  	@Autowired
  	@Qualifier("com.hack23.cia.model.external.riksdagen.personlista.impl.PersonElement")
  	private Destination personElementWorkdestination;
  
  	/** The riksdagen api. */
  	@Autowired
  	private RiksdagenPersonApi riksdagenApi;
  
  	/**
  	 * Instantiates a new riksdagen persons work generator impl.
  	 */
  	public RiksdagenPersonsWorkGeneratorImpl() {
  		super(RiksdagenDataSources.PERSONS);
  	}
  
  	@Override
  	public void generateWorkOrders() {
  		try {
  			final List<PersonElement> personList = riksdagenApi.getPersonList().getPerson();
  			final Map<String, String> currentSaved = getImportService().getPersonMap();
  
  			for (final PersonElement personElement : personList) {
  				if (!currentSaved.containsKey(personElement.getId())) {
  					LOGGER.info("Send Load Order:{}", personElement.getPersonUrlXml());
  					getJmsSender().send(personElementWorkdestination, personElement);
  					currentSaved.put(personElement.getId(), personElement.getId());
  				}
  			}
  			for (final String personId : readMissingPersonList()) {
  				if (!currentSaved.containsKey(personId)) {
  					LOGGER.info("Send Load Order:{}{}", "http://data.riksdagen.se/person/", personId);
  					getJmsSender().send(personElementWorkdestination, new PersonElement().withId(personId));
  				}
  			}
  		} catch (final JMSException | DataFailureException exception) {
  			LOGGER.warn("jms", exception);
  		}
  	}
  
  	/**
  	 * Read missing person list.
  	 *
  	 * @return the string[]
  	 */
  	private static String[] readMissingPersonList() {
  
  		final Scanner sc = new Scanner(RiksdagenPersonsWorkGeneratorImpl.class.getResourceAsStream("/personlist.txt"),StandardCharsets.UTF_8.name());
  		final List<String> lines = new ArrayList<>();
  		while (sc.hasNextLine()) {
 			lines.add(sc.nextLine());
 		}
 		sc.close();
 		return lines.toArray(new String[0]);
 	}
 
 }