/**
    * Copyright 2005-2016 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.opensource.org/licenses/ecl2.php
    *
   * 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.rice.kew.impl.note;
  
  import java.sql.Timestamp;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;
  import org.kuali.rice.kew.api.note.Note;
  import org.kuali.rice.kew.api.note.NoteService;
  import org.kuali.rice.kew.notes.dao.NoteDAO;
  import org.kuali.rice.krad.data.DataObjectService;
  import org.kuali.rice.krad.data.PersistenceOption;
  import org.springframework.beans.factory.annotation.Required;
  
  /**
   * TODO 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class NoteServiceImpl implements NoteService {
  
  	private NoteDAO noteDao;
  
      private DataObjectService dataObjectService;
  	
  	@Override
  	public List<Note> getNotes(String documentId) {
  		if (StringUtils.isBlank(documentId)) {
  			throw new RiceIllegalArgumentException("documentId was null or blank");
  		}
  		List<org.kuali.rice.kew.notes.Note> noteBos = getNoteDao().getNotesByDocumentId(documentId);
  		if (noteBos == null) {
  			return Collections.emptyList();
  		}
  		List<Note> notes = new ArrayList<Note>();
  		for (org.kuali.rice.kew.notes.Note noteBo : noteBos) {
  			notes.add(org.kuali.rice.kew.notes.Note.to(noteBo));
  		}
  		return Collections.unmodifiableList(notes);
  	}
  
  	@Override
  	public Note getNote(String noteId) {
  		if (StringUtils.isBlank(noteId)) {
  			throw new RiceIllegalArgumentException("noteId was null or blank");
  		}
  		org.kuali.rice.kew.notes.Note noteBo = getDataObjectService().find(org.kuali.rice.kew.notes.Note.class,
                                                      noteId);
  		return org.kuali.rice.kew.notes.Note.to(noteBo);
  	}
  
  	@Override
  	public Note createNote(Note note) {
  		if (note == null) {
  			throw new RiceIllegalArgumentException("note was null");
  		}
  		if (note.getId() != null) {
  			throw new RiceIllegalArgumentException("Attempted to create a note that already has an id assigned, id must be null upon creation");
  		}
  		if (note.getVersionNumber() != null) {
  			throw new RiceIllegalArgumentException("Attempted to create a note that already has a version number assigned, version number must be null upon creation");
  		}
  		org.kuali.rice.kew.notes.Note noteBo = org.kuali.rice.kew.notes.Note.from(note);
  		if (noteBo.getNoteCreateDate() == null) {
  			noteBo.setNoteCreateDate(new Timestamp(System.currentTimeMillis()));
  		}
  		noteBo = getDataObjectService().save(noteBo, PersistenceOption.FLUSH);
  		return org.kuali.rice.kew.notes.Note.to(noteBo);
  	}
  
  	@Override
  	public Note updateNote(Note note) {
  		if (note == null) {
  			throw new RiceIllegalArgumentException("note was null");
  		}
  		if (note.getId() == null) {
  			throw new RiceIllegalArgumentException("Attempted to update a note without an id, id must be present when updating");
  		}
  		if (note.getVersionNumber() == null) {
  			throw new RiceIllegalArgumentException("Attempted to update a note without a version number, version number must be present when updating");
  		}
 		if (note.getCreateDate() == null) {
 			throw new RiceIllegalArgumentException("Attempted to update a note without a create date, note must have a create date");
 		}
 		Note existingNoteBo = getNote(note.getId());
 		if (existingNoteBo == null) {
 			throw new RiceIllegalArgumentException("Attempted to udpate a note with an id for a not that does not exist: " + note.getId());
 		}
 		org.kuali.rice.kew.notes.Note noteBo = org.kuali.rice.kew.notes.Note.from(note);
 		getDataObjectService().save(noteBo);
 		return org.kuali.rice.kew.notes.Note.to(noteBo);
 	}
 
 	@Override
 	public Note deleteNote(String noteId) {
 		if (StringUtils.isBlank(noteId)) {
 			throw new RiceIllegalArgumentException("noteId was null or blank");
 		}
 		org.kuali.rice.kew.notes.Note noteBo = getDataObjectService().find(org.kuali.rice.kew.notes.Note.class, noteId);
 		if (noteBo == null) {
 			throw new RiceIllegalArgumentException("A note does not exist for the given note id: " + noteId);
 		}
 		Note deletedNote = org.kuali.rice.kew.notes.Note.to(noteBo);
 		getDataObjectService().delete(noteBo);
 		return deletedNote;
 	}
 	
 	public void setNoteDao(NoteDAO noteDao) {
 		this.noteDao = noteDao;
 	}
 	
 	public NoteDAO getNoteDao() {
 		return noteDao;
 	}
 
 
     public DataObjectService getDataObjectService() {
         return dataObjectService;
     }
 
     @Required
     public void setDataObjectService(DataObjectService dataObjectService) {
         this.dataObjectService = dataObjectService;
     }
 
 }