/**
    * Copyright 2011-2012 The Kuali Foundation Licensed under the Educational Community
    * 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.osedu.org/licenses/ECL-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.kuali.mobility.people.service;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.ws.rs.FormParam;
  import javax.ws.rs.GET;
  import javax.ws.rs.POST;
  import javax.ws.rs.Path;
  import javax.ws.rs.QueryParam;
  
  import org.apache.commons.collections.CollectionUtils;
  import org.kuali.mobility.people.dao.DirectoryDao;
  import org.kuali.mobility.people.entity.GroupImpl;
  import org.kuali.mobility.people.entity.PersonImpl;
  import org.kuali.mobility.people.entity.SearchCriteria;
  import org.kuali.mobility.people.entity.SearchResultImpl;
  import org.kuali.mobility.people.service.util.GroupTransform;
  import org.kuali.mobility.people.service.util.PersonTransform;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.ApplicationContextAware;
  
  /**
   * Implementation of the <code>DirectoryService</code>
   * @author Kuali Mobility Team (mobility.collab@kuali.org)
   * @since
   */
  public class DirectoryServiceImpl implements DirectoryService, ApplicationContextAware {
  
  	/**
  	 * A reference to the <code>ApplicationContext</code>.
  	 */
  	private ApplicationContext applicationContext;
  
  	/**
  	 * A reference to the <code>DirectoryDao</code>.
  	 */
  	private DirectoryDao directoryDao;
  
  	/**
  	 * A reference to the <code>PersonTransform</code>.
  	 */
  	private PersonTransform personTransform;
  	
  	/**
  	 * A reference to the <code>GroupTransform</code>.
  	 */
  	private GroupTransform groupTransform;
  
  	/**
  	 * Performs a search
  	 */
  	@POST
  	@Path("/search")
  	public SearchResultImpl search(
  			@FormParam("searchText") final String searchText,
  			@FormParam("firstName") final String firstName,
  			@FormParam("lastName") final String lastName,
  			@FormParam("username") final String username,
  			@FormParam("exactness") final String exactness,
  			@FormParam("status") final String status,
  			@FormParam("location") final String location) {
  		SearchCriteria searchCriteria = new SearchCriteria();
  		searchCriteria = new SearchCriteria();
  		searchCriteria.setExactness(exactness);
  		searchCriteria.setFirstName(firstName);
  		searchCriteria.setLastName(lastName);
  		searchCriteria.setLocation(location);
  		searchCriteria.setSearchText(searchText);
  		searchCriteria.setStatus(status);
  		searchCriteria.setUserName(username);
  		SearchResultImpl result = findEntries(searchCriteria);
  		if (result != null) {
  			result.setSearchCriteria(searchCriteria);
  		}
  		return result;
  	}
  
  	/**
  	 * Finds entries for a search criteria
  	 */
  	@Override
  	public SearchResultImpl findEntries(SearchCriteria searchCriteria) {
  		return (SearchResultImpl) directoryDao.findEntries(searchCriteria);
  	}
  
 	/**
 	 * Searches for a person
 	 */
 	@POST
 	@Path("/person/search")
 	@Override
 	public List<PersonImpl> personSearch(
 			@FormParam("searchText") final String searchText,
 			@FormParam("firstName") final String firstName,
 			@FormParam("lastName") final String lastName,
 			@FormParam("username") final String username,
 			@FormParam("exactness") final String exactness,
 			@FormParam("status") final String status,
 			@FormParam("location") final String location) {
 		List<PersonImpl> people = new ArrayList<PersonImpl>();
 
 		SearchCriteria searchCriteria = new SearchCriteria();
 		searchCriteria = new SearchCriteria();
 		searchCriteria.setExactness(exactness);
 		searchCriteria.setFirstName(firstName);
 		searchCriteria.setLastName(lastName);
 		searchCriteria.setLocation(location);
 		searchCriteria.setSearchText(searchText);
 		searchCriteria.setStatus(status);
 		searchCriteria.setUserName(username);
 
 		CollectionUtils.collect(
 				(getDirectoryDao().findEntries(searchCriteria)).getPeople(),
 				 getPersonTransform(),
 				 people);
 
 		return people;
 	}
 
 	/**
 	 * Looks up a person
 	 */
 	@GET
 	@Path("/person/lookup")
 	@Override
 	public PersonImpl personLookup(@QueryParam("username") final String personId) {
 		return getPersonTransform().transform(directoryDao.lookupPerson(personId));
 	}
 
 	/**
 	 * Searches for groups
 	 */
 	@GET
 	@Path("/group/search")
 	@Override
 	public List<GroupImpl> findSimpleGroup(@QueryParam("searchTerms") final String groupId) {
 		List<GroupImpl> groups = new ArrayList<GroupImpl>();
 		CollectionUtils.collect(directoryDao.findSimpleGroup(groupId), getGroupTransform(), groups);
 		return groups;
 	}
 
 	/**
 	 * Looks up a group
 	 */
 	@GET
 	@Path("/group/lookup")
 	@Override
 	public GroupImpl groupLookup(@QueryParam("dn") final String groupId) {
 		return getGroupTransform().transform(directoryDao.lookupGroup(groupId));
 	}
 
 	/**
 	 * Gets the reference to the <code>DirectoryDao</code>.
 	 * @return Reference to the <code>DirectoryDao</code>.
 	 */
 	public DirectoryDao getDirectoryDao() {
 		return directoryDao;
 	}
 
 	/**
 	 * Sets the reference to the <code>DirectoryDao</code>.
 	 * @param directoryDao Reference to the <code>DirectoryDao</code>.
 	 */
 	public void setDirectoryDao(DirectoryDao directoryDao) {
 		this.directoryDao = directoryDao;
 	}
 
 	/**
 	 * Gets the reference to the <code>PersonTransform</code>.
 	 * @return Reference to the <code>PersonTransform</code>.
 	 */
 	public PersonTransform getPersonTransform() {
 		return personTransform;
 	}
 
 	/**
 	 * Sets the reference to the <code>PersonTransform</code>.
 	 * @param personTransform Reference to the <code>PersonTransform</code>.
 	 */
 	public void setPersonTransform(PersonTransform personTransform) {
 		this.personTransform = personTransform;
 	}
 
 	/**
 	 * Gets the reference to the <code>GroupTransform</code>.
 	 * @return Reference to the <code>GroupTransform</code>.
 	 */
 	public GroupTransform getGroupTransform() {
 		return groupTransform;
 	}
 
 	/**
 	 * Sets the reference to the <code>GroupTransform</code>.
 	 * @param groupTransform Reference to the <code>GroupTransform</code>.
 	 */
 	public void setGroupTransform(GroupTransform groupTransform) {
 		this.groupTransform = groupTransform;
 	}
 
 	/**
 	 * Gets the reference to the <code>ApplicationContext</code>.
 	 * @return Reference to the <code>ApplicationContext</code>.
 	 */
 	public ApplicationContext getApplicationContext() {
 		return applicationContext;
 	}
 
 	/**
 	 * Sets the reference to the <code>ApplicationContext</code>.
 	 * @param applicationContext Reference to the <code>ApplicationContext</code>.
 	 */
 	public void setApplicationContext(ApplicationContext applicationContext) {
 		this.applicationContext = applicationContext;
 	}
 }