/**
    * 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.hr.time.workflow;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.log4j.Logger;
  import org.joda.time.DateTime;
  import org.kuali.kpme.core.KPMENamespace;
  import org.kuali.kpme.core.assignment.Assignment;
  import org.kuali.kpme.core.role.KPMERole;
  import org.kuali.kpme.core.service.HrServiceLocator;
  import org.kuali.kpme.core.workarea.WorkArea;
  import org.kuali.kpme.tklm.common.TkConstants;
  import org.kuali.kpme.tklm.leave.calendar.LeaveCalendarDocument;
  import org.kuali.kpme.tklm.leave.service.LmServiceLocator;
  import org.kuali.rice.kew.api.identity.Id;
  import org.kuali.rice.kew.api.identity.PrincipalId;
  import org.kuali.rice.kew.api.rule.RoleName;
  import org.kuali.rice.kew.engine.RouteContext;
  import org.kuali.rice.kew.routeheader.DocumentContent;
  import org.kuali.rice.kew.rule.AbstractRoleAttribute;
  import org.kuali.rice.kew.rule.ResolvedQualifiedRole;
  import org.kuali.rice.kim.api.role.RoleMember;
  
  @Deprecated
  public class TkWorkflowLeaveCalendarAttribute extends AbstractRoleAttribute {
  
  	private static final long serialVersionUID = 259874056843173666L;
  	
  	private static final Logger LOG = Logger.getLogger(TkWorkflowLeaveCalendarAttribute.class);
  
  	@Override
  	public List<String> getQualifiedRoleNames(String roleName, DocumentContent documentContent) {
  		List<String> roles = new ArrayList<String>();
  		String routeHeaderId = documentContent.getRouteContext().getDocument().getDocumentId();
  		LeaveCalendarDocument leaveDocument = LmServiceLocator.getLeaveCalendarService().getLeaveCalendarDocument(routeHeaderId);
  
  		if (leaveDocument != null) {
  			List<Assignment> assignments = leaveDocument.getAssignments();
  			for (Assignment assignment : assignments) {
  				String roleStr = roleName + "_" + assignment.getWorkArea();
  				if (!roles.contains(roleStr)) {
  					roles.add(roleStr);
  				}
  			}
  		}
  		
  		return roles;
  	}
  
  	@Override
  	public ResolvedQualifiedRole resolveQualifiedRole(RouteContext routeContext, String roleName, String qualifiedRole) {
  		ResolvedQualifiedRole rqr = new ResolvedQualifiedRole();
          Long workAreaNumber = null;
  
          try {
              int pos = qualifiedRole.lastIndexOf("_");
              if (pos > -1) {
                  String subs = qualifiedRole.substring(pos+1, qualifiedRole.length());
                  workAreaNumber = Long.parseLong(subs);
              }
          } catch (NumberFormatException nfe) {
              LOG.error("qualifiedRole did not contain numeric data for work area.");
          }
  
          if (workAreaNumber == null) {
              throw new RuntimeException("Unable to resolve work area during routing.");
          }
  
  		List<Id> principals = new ArrayList<Id>();
  		String routeHeaderId = routeContext.getDocument().getDocumentId();
  		LeaveCalendarDocument leaveCalendarDocument = LmServiceLocator.getLeaveCalendarService().getLeaveCalendarDocument(routeHeaderId);
  		WorkArea workArea = null;
  		if (leaveCalendarDocument != null) {
  			workArea = HrServiceLocator.getWorkAreaService().getWorkArea(workAreaNumber, leaveCalendarDocument.getAsOfDate());
  		}
  
  		List<RoleMember> roleMembers = new ArrayList<RoleMember>();
  		
  		if (TkConstants.ROLE_TK_APPROVER.equals(roleName)) {
  	        roleMembers.addAll(HrServiceLocator.getKPMERoleService().getRoleMembersInWorkArea(KPMENamespace.KPME_HR.getNamespaceCode(), KPMERole.APPROVER.getRoleName(), workAreaNumber, new DateTime(), true));
  	        roleMembers.addAll(HrServiceLocator.getKPMERoleService().getRoleMembersInWorkArea(KPMENamespace.KPME_HR.getNamespaceCode(), KPMERole.APPROVER_DELEGATE.getRoleName(), workAreaNumber, new DateTime(), true));
  		}
 		
         for (RoleMember roleMember : roleMembers) {
         	principals.add(new PrincipalId(roleMember.getMemberId()));
 	    }
 
 		if (principals.size() == 0) {
 			throw new RuntimeException("No principals to route to. Push to exception routing.");
 		}
 		
 		rqr.setRecipients(principals);
 		rqr.setAnnotation("Dept: "+ workArea.getDept()+", Work Area: "+workArea.getWorkArea());
 
 		return rqr;
 	}
 
 	@Override
 	public List<RoleName> getRoleNames() {
         return Collections.emptyList();
 	}
 
 }