/**
    * Copyright 2004-2014 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.pm.position.validation;
  
  import java.math.BigDecimal;
  
  import org.apache.commons.collections.CollectionUtils;
  import org.apache.commons.lang.StringUtils;
  import org.kuali.kpme.core.util.ValidationUtils;
  import org.kuali.kpme.pm.classification.Classification;
  import org.kuali.kpme.pm.classification.duty.ClassificationDuty;
  import org.kuali.kpme.pm.position.Position;
  import org.kuali.kpme.pm.position.PositionDuty;
  import org.kuali.kpme.pm.position.funding.PositionFunding;
  import org.kuali.rice.krad.bo.PersistableBusinessObject;
  import org.kuali.rice.krad.maintenance.MaintenanceDocument;
  import org.kuali.rice.krad.rules.MaintenanceDocumentRuleBase;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.KRADConstants;
  import org.kuali.rice.krad.web.form.MaintenanceDocumentForm;
  
  public class PositionValidation extends MaintenanceDocumentRuleBase {
  	@Override
  	protected boolean processCustomRouteDocumentBusinessRules(MaintenanceDocument document) {
  		boolean valid = false;
  		LOG.debug("entering custom validation for Position");
  		Position aPosition = (Position) this.getNewDataObject();
  		
  		if (aPosition != null) {
  			valid = true;
  			valid &= this.validateDutyListPercentage(aPosition);
  		}
  		return valid;
  	}
  	
  	private boolean validateDutyListPercentage(Position aPosition) {
  		if(CollectionUtils.isNotEmpty(aPosition.getDutyList())) {
  			BigDecimal sum = BigDecimal.ZERO;
  			for(PositionDuty aDuty : aPosition.getDutyList()) {
  				if(aDuty != null && aDuty.getPercentage() != null) {
  					sum = sum.add(aDuty.getPercentage());
  				}
  			}
  			if(sum.compareTo(new BigDecimal(100)) > 0) {
  				String[] parameters = new String[1];
  				parameters[0] = sum.toString();
  				this.putFieldError("dataObject.dutyList", "duty.percentage.exceedsMaximum", parameters);
  				return false;
  			}
  		}		
  		return true;
  	}
  		
  }