/**
    * Copyright 2004-2013 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.kpme.core.document.calendar;
  
  import java.io.Serializable;
  import java.util.LinkedHashMap;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Map;
  
  import org.joda.time.LocalDate;
  import org.kuali.kpme.core.api.document.calendar.CalendarDocumentContract;
  import org.kuali.kpme.core.assignment.Assignment;
  import org.kuali.kpme.core.assignment.AssignmentDescriptionKey;
  import org.kuali.kpme.core.calendar.entry.CalendarEntry;
  import org.kuali.kpme.core.service.HrServiceLocator;
  import org.kuali.kpme.core.util.TKUtils;
  
  public abstract class CalendarDocument implements Serializable, CalendarDocumentContract{
  	private static final long serialVersionUID = 6074564807962995821L;
  	protected CalendarDocumentHeader documentHeader;
  	protected List<Assignment> assignments = new LinkedList<Assignment>();
  	protected CalendarEntry calendarEntry = null;
  	protected LocalDate asOfDate;
  	protected String calendarType;
  	
  	public abstract CalendarDocumentHeader getDocumentHeader();
  
  	public abstract List<Assignment> getAssignments();
  
  	public abstract CalendarEntry getCalendarEntry();
  
  	public abstract LocalDate getAsOfDate();	
  	
  	public String getDocumentId() {
  		if(documentHeader != null)
  			return documentHeader.getDocumentId();
  		else
  			return null;
  	}
  	
  	public String getPrincipalId() {
  		if(documentHeader != null)
  			return documentHeader.getPrincipalId();
  		else
  			return null;
  	}
  
      public String getCalendarType() {
      	return calendarType;
      }
      
      public void setCalendarType(String calendarType) {
      	this.calendarType = calendarType;
      }
      
      public Map<String, String> getAssignmentDescriptions() {
     	 Map<String, String> assignmentDescriptions = new LinkedHashMap<String, String>();
       for (Assignment assignment : assignments) {
               assignmentDescriptions.putAll(TKUtils.formatAssignmentDescription(assignment));
       }
       return assignmentDescriptions;
      }
      
      public Assignment getAssignment(AssignmentDescriptionKey assignmentDescriptionKey) {
  
          for (Assignment assignment : assignments) {
              if (assignment.getJobNumber().compareTo(assignmentDescriptionKey.getJobNumber()) == 0 &&
                      assignment.getWorkArea().compareTo(assignmentDescriptionKey.getWorkArea()) == 0 &&
                      assignment.getTask().compareTo(assignmentDescriptionKey.getTask()) == 0) {
                  return assignment;
              }
          }
  
          //No assignment found so fetch the inactive ones for this payBeginDate
          Assignment foundAssign = HrServiceLocator.getAssignmentService().getAssignmentForTargetPrincipal(assignmentDescriptionKey, calendarEntry.getBeginPeriodFullDateTime().toLocalDate());
          if (foundAssign != null) {
              return foundAssign;
          }
          else
          	return null;
      }
  
  }