/**
    * Copyright 2005-2012 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.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.kim.rules.ui;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.util.RiceKeyConstants;
  import org.kuali.rice.kim.bo.ui.PersonDocumentRole;
  import org.kuali.rice.kim.document.IdentityManagementPersonDocument;
  import org.kuali.rice.kim.rule.event.ui.AddRoleEvent;
  import org.kuali.rice.kim.rule.ui.AddRoleRule;
  import org.kuali.rice.krad.rules.DocumentRuleBase;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  /**
   * This is a description of what this class does - shyu don't forget to fill this in. 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class PersonDocumentRoleRule extends DocumentRuleBase implements AddRoleRule {
      public static final String ERROR_PATH = "newRole.roleId";
  
  	public boolean processAddRole(AddRoleEvent addRoleEvent) {
  		PersonDocumentRole newRole = addRoleEvent.getRole();
  		IdentityManagementPersonDocument document = (IdentityManagementPersonDocument)addRoleEvent.getDocument();
  		boolean rulePassed = true;
  //    	List<String> roleIds = KimImplServiceLocator.getUiDocumentService().getAssignableRoleIds();
  
          if (newRole == null || StringUtils.isBlank(newRole.getRoleId())) {
              rulePassed = false;
              GlobalVariables.getMessageMap().putError(ERROR_PATH, RiceKeyConstants.ERROR_EMPTY_ENTRY, new String[] {"Role"});
          	
  //        } else if (roleIds.isEmpty() || !roleIds.contains(newRole.getRoleId())) {
  //            errorMap.putError(ERROR_PATH, RiceKeyConstants.ERROR_ASSIGN_ROLE, new String[] {newRole.getRoleId()});
  //            rulePassed = false;
          } else {
  		    for (PersonDocumentRole role : document.getRoles()) {
  		    	if (role.getRoleId().equals(newRole.getRoleId())) {
  		            rulePassed = false;
  		            GlobalVariables.getMessageMap().putError(ERROR_PATH, RiceKeyConstants.ERROR_DUPLICATE_ENTRY, new String[] {"Role"});
  		    		
  		    	}
  		    }
          }
  		return rulePassed;
  	} 
  
  }