/*
    * 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.impl.action.user;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.security.access.annotation.Secured;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.annotation.Propagation;
  import org.springframework.transaction.annotation.Transactional;
  
  import com.hack23.cia.model.external.riksdagen.documentcontent.impl.DocumentContentData;
  import com.hack23.cia.model.external.riksdagen.dokumentlista.impl.DocumentElement;
  import com.hack23.cia.model.internal.application.system.impl.ApplicationEventGroup;
  import com.hack23.cia.model.internal.application.system.impl.ApplicationOperationType;
  import com.hack23.cia.model.internal.application.user.impl.UserAccount;
  import com.hack23.cia.service.api.action.application.CreateApplicationEventRequest;
  import com.hack23.cia.service.api.action.application.CreateApplicationEventResponse;
  import com.hack23.cia.service.api.action.common.ServiceResponse.ServiceResult;
  import com.hack23.cia.service.api.action.user.SearchDocumentRequest;
  import com.hack23.cia.service.api.action.user.SearchDocumentResponse;
  import com.hack23.cia.service.data.api.DocumentContentDataDAO;
  import com.hack23.cia.service.data.api.DocumentElementDAO;
  import com.hack23.cia.service.impl.action.common.AbstractBusinessServiceImpl;
  import com.hack23.cia.service.impl.action.common.BusinessService;
  
  /**
   * The Class SearchDocumentService.
   */
  @Service
  @Transactional(propagation = Propagation.REQUIRED,timeout=600)
  public final class SearchDocumentService extends
  		AbstractBusinessServiceImpl<SearchDocumentRequest, SearchDocumentResponse>
  		implements BusinessService<SearchDocumentRequest, SearchDocumentResponse> {
  
  	/** The Constant LOGGER. */
  	private static final Logger LOGGER = LoggerFactory
  			.getLogger(SearchDocumentService.class);
  
  	/** The create application event service. */
  	@Autowired
  	private BusinessService<CreateApplicationEventRequest, CreateApplicationEventResponse> createApplicationEventService;
  
  	/** The document element dao. */
  	@Autowired
  	private DocumentElementDAO documentElementDAO;
  
  	@Autowired
  	private DocumentContentDataDAO documentContentDataDAO;
  
  	/**
  	 * Instantiates a new search document service.
  	 */
  	public SearchDocumentService() {
  		super(SearchDocumentRequest.class);
  	}
  
  
  	@Secured({ "ROLE_USER", "ROLE_ADMIN", "ROLE_ANONYMOUS" })
  	@Override
  	public SearchDocumentResponse processService(
  			final SearchDocumentRequest serviceRequest) {
  
  		LOGGER.info("{}:{}",serviceRequest.getClass().getSimpleName(),serviceRequest.getSearchExpression());
  
  
  		final CreateApplicationEventRequest eventRequest = new CreateApplicationEventRequest();
  		eventRequest.setEventGroup(ApplicationEventGroup.USER);
  		eventRequest.setApplicationOperation(ApplicationOperationType.READ);
  		eventRequest.setActionName(SearchDocumentRequest.class.getSimpleName());
  		eventRequest.setSessionId(serviceRequest.getSessionId());
  
  		final UserAccount userAccount = getUserAccountFromSecurityContext();
  
  
  		if (userAccount != null) {
  
  			eventRequest.setUserId(userAccount.getUserId());
  		}
 
 		final SearchDocumentResponse response = new SearchDocumentResponse(ServiceResult.SUCCESS);
 
 		final List<DocumentElement> searchResultTitles = documentElementDAO.search(serviceRequest.getSearchExpression(), serviceRequest.getMaxResults(),"id", "title","subTitle");
 		if (!searchResultTitles.isEmpty()) {
 		 response.setResultElement(searchResultTitles);
 		} else {
 			final List<DocumentContentData> searchResultContent = documentContentDataDAO.search(serviceRequest.getSearchExpression(), serviceRequest.getMaxResults(), "id","content");
 			if (!searchResultContent.isEmpty()) {
 				final List<DocumentElement> searchResultTitlesForContent = new ArrayList<>();
 
 				for (final DocumentContentData documentContent : searchResultContent) {
 
 					searchResultTitlesForContent.add(documentElementDAO.load(documentContent.getId()));
 				}
 
 				response.setResultElement(searchResultTitlesForContent);
 
 			}
 		}
 
 		eventRequest.setApplicationMessage(response.getResult().toString());
 		createApplicationEventService.processService(eventRequest);
 
 		return response;
 	}
 
 
 
 }