/**
    * 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.earncodegroup.validation;
  
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Iterator;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.hr.time.earncodegroup.EarnCodeGroup;
  import org.kuali.hr.time.earncodegroup.EarnCodeGroupDefinition;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.util.ValidationUtils;
  import org.kuali.rice.kns.document.MaintenanceDocument;
  import org.kuali.rice.kns.maintenance.rules.MaintenanceDocumentRuleBase;
  import org.kuali.rice.krad.service.BusinessObjectService;
  import org.kuali.rice.krad.service.KRADServiceLocator;
  
  public class EarnCodeGroupValidation  extends MaintenanceDocumentRuleBase{
  
  	@Override
  	protected boolean processCustomRouteDocumentBusinessRules(MaintenanceDocument document) {
  		EarnCodeGroup earnGroup = (EarnCodeGroup)this.getNewBo();
  		Set<String> earnCodes = new HashSet<String>();
  		int index = 0;
  		if(earnGroup.getEarnCodeGroups().size() < 1){
  			this.putGlobalError("earncode.required");
  			return false;
  		}
  		for(EarnCodeGroupDefinition earnGroupDef : earnGroup.getEarnCodeGroups()){
  			if(earnCodes.contains(earnGroupDef.getEarnCode())){
  				this.putFieldError("earnCodeGroups["+index+"].earnCode", "earngroup.duplicate.earncode",earnGroupDef.getEarnCode());
  
  			}
  			if(earnGroup.getShowSummary()) {
  				validateEarnCode(earnGroupDef.getEarnCode().toUpperCase(), index, earnGroup);
  			}
  			if (!ValidationUtils.validateEarnCode(earnGroupDef.getEarnCode(), earnGroup.getEffectiveDate())) {
  				this.putFieldError("earnCodeGroups["+index+"].earnCode", "error.existence", "Earncode '" + earnGroupDef.getEarnCode()+ "'");
  			}
  			earnCodes.add(earnGroupDef.getEarnCode());
  			index++;
  		}
  		int count = TkServiceLocator.getEarnCodeGroupService().getNewerEarnCodeGroupCount(earnGroup.getEarnCodeGroup(), earnGroup.getEffectiveDate());
  		if(count > 0) {
  			this.putFieldError("effectiveDate", "earngroup.effectiveDate.newr.exists");
  			return false;
  		}
  		return true;
  	}
  
      protected void validateEarnCode(String earnCode, int index, EarnCodeGroup editedEarnGroup) {
      	BusinessObjectService businessObjectService = KRADServiceLocator.getBusinessObjectService();
      	Map<String,Object> criteria = new HashMap<String,Object>();
  		criteria.put("showSummary", "Y");
  		criteria.put("active", "Y");
      	Collection aCol = businessObjectService.findMatching(EarnCodeGroup.class, criteria);
  		Iterator<EarnCodeGroup> itr = aCol.iterator();
  		while (itr.hasNext()) {
  			EarnCodeGroup earnGroup = itr.next();
  			if(!earnGroup.getHrEarnCodeGroupId().equals(editedEarnGroup.getHrEarnCodeGroupId())) {
  				criteria = new HashMap<String,Object>();
  				criteria.put("hrEarnCodeGroupId", earnGroup.getHrEarnCodeGroupId());
  
  				Collection earnGroupDefs = businessObjectService.findMatching(EarnCodeGroupDefinition.class, criteria);
  				Iterator<EarnCodeGroupDefinition> iterator = earnGroupDefs.iterator();
  				while (iterator.hasNext()) {
  					EarnCodeGroupDefinition def = iterator.next();
  					if(StringUtils.equals(earnCode, def.getEarnCode().toUpperCase())) {
  						String[] parameters = new String[2];
  						parameters[0] = earnCode;
  						parameters[1] = earnGroup.getDescr();
  						this.putFieldError("earnCodeGroups["+index+"].earnCode", "earngroup.earncode.already.used", parameters);
  					}
  				}
  			}
  		}
      }
  
   }