/*
    * 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.external.riksdagen.impl;
  
  import javax.xml.bind.JAXBElement;
  
  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.oxm.Unmarshaller;
  import org.springframework.stereotype.Component;
  
  import com.hack23.cia.model.external.riksdagen.person.impl.PersonData;
  import com.hack23.cia.model.external.riksdagen.personlista.impl.PersonContainerElement;
  import com.hack23.cia.service.external.common.api.XmlAgent;
  import com.hack23.cia.service.external.riksdagen.api.DataFailureException;
  import com.hack23.cia.service.external.riksdagen.api.RiksdagenPersonApi;
  
  /**
   * The Class RiksdagenPersonApiImpl.
   */
  @Component
  final class RiksdagenPersonApiImpl implements RiksdagenPersonApi {
  
  	/**
  	 * The Constant HTTP_PERSON_RIKSDAGEN_EXTERNAL_MODEL_CIA_HACK23_COM_IMPL.
  	 */
  	private static final String HTTP_PERSON_RIKSDAGEN_EXTERNAL_MODEL_CIA_HACK23_COM_IMPL = "http://person.riksdagen.external.model.cia.hack23.com/impl";
  
  	/**
  	 * The Constant
  	 * HTTP_PERSONLISTA_RIKSDAGEN_EXTERNAL_MODEL_CIA_HACK23_COM_IMPL.
  	 */
  	private static final String HTTP_PERSONLISTA_RIKSDAGEN_EXTERNAL_MODEL_CIA_HACK23_COM_IMPL = "http://personlista.riksdagen.external.model.cia.hack23.com/impl";
  
  	/** The Constant ID_KEY. */
  	private static final String ID_KEY = "${ID_KEY}";
  
  	/** The Constant LOGGER. */
  	private static final Logger LOGGER = LoggerFactory.getLogger(RiksdagenPersonApiImpl.class);
  
  	/** The Constant PERSON. */
  	private static final String PERSON = "http://data.riksdagen.se/person/${ID_KEY}";
  
  	/** The Constant PERSON_LIST. */
  	private static final String PERSON_LIST = "http://data.riksdagen.se/personlista/?iid=&fnamn=&enamn=&f_ar=&kn=&parti=&valkrets=&rdlstatus=samtliga&org=";
  
  	/** The Constant PROBLEM_GETTING_PERSON_DATA_ID_S_FROM_DATA_RIKSDAGEN_SE. */
  	private static final String PROBLEM_GETTING_PERSON_DATA_ID_S_FROM_DATA_RIKSDAGEN_SE = "Problem getting person data id:{}  from data.riksdagen.se";
  
  	/** The Constant PROBLEM_GETTING_PERSON_LIST_FROM_DATA_RIKSDAGEN_SE. */
  	private static final String PROBLEM_GETTING_PERSON_LIST_FROM_DATA_RIKSDAGEN_SE = "Problem getting person list from data.riksdagen.se";
  
  	/** The person list unmarshaller. */
  	@Autowired
  	@Qualifier("riksdagenPersonListMarshaller")
  	private Unmarshaller personListUnmarshaller;
  
  	/** The person unmarshaller. */
  	@Autowired
  	@Qualifier("riksdagenPersonMarshaller")
  	private Unmarshaller personUnmarshaller;
  
  	/** The xml agent. */
  	@Autowired
  	private XmlAgent xmlAgent;
  
  	/**
  	 * Instantiates a new riksdagen person api impl.
  	 */
  	public RiksdagenPersonApiImpl() {
  		super();
  	}
  
  	@Override
  	public PersonData getPerson(final String id) throws DataFailureException {
  		try {
  			final String url = PERSON.replace(ID_KEY, id);
  			return ((JAXBElement<com.hack23.cia.model.external.riksdagen.person.impl.PersonContainerData>) xmlAgent
  					.unmarshallXml(personUnmarshaller, url, HTTP_PERSON_RIKSDAGEN_EXTERNAL_MODEL_CIA_HACK23_COM_IMPL,
  							null, null)).getValue().getPerson();
  		} catch (final Exception e) {
 			LOGGER.warn(PROBLEM_GETTING_PERSON_DATA_ID_S_FROM_DATA_RIKSDAGEN_SE, id);
 			throw new DataFailureException(e);
 		}
 	}
 
 	@Override
 	public PersonContainerElement getPersonList() throws DataFailureException {
 		try {
 			return ((JAXBElement<PersonContainerElement>) xmlAgent.unmarshallXml(personListUnmarshaller, PERSON_LIST,
 					HTTP_PERSONLISTA_RIKSDAGEN_EXTERNAL_MODEL_CIA_HACK23_COM_IMPL, null, null)).getValue();
 		} catch (final Exception e) {
 			LOGGER.warn(PROBLEM_GETTING_PERSON_LIST_FROM_DATA_RIKSDAGEN_SE);
 			throw new DataFailureException(e);
 		}
 	}
 
 }