/**
    * 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.tklm.leave.workflow.krms;
  
  
  import org.apache.commons.collections.CollectionUtils;
  import org.kuali.kpme.core.api.assignment.Assignable;
  import org.kuali.kpme.core.api.assignment.Assignment;
  import org.kuali.kpme.core.api.department.Department;
  import org.kuali.kpme.core.api.namespace.KPMENamespace;
  import org.kuali.kpme.core.krms.KpmeKrmsFactBuilderServiceHelper;
  import org.kuali.kpme.core.service.HrServiceLocator;
  import org.kuali.kpme.tklm.api.common.krms.TklmKrmsConstants;
  import org.kuali.rice.krms.api.engine.Facts;
  import org.kuali.rice.krms.api.engine.Term;
  
  import java.util.HashSet;
  import java.util.Set;
  
  public class LMFactBuilderServiceImpl extends KpmeKrmsFactBuilderServiceHelper {
      @Override
      public void addFacts(Facts.Builder factsBuilder, String docContent) {
          //remove me?
      }
  
      @Override
      public void addFacts(Facts.Builder factsBuilder, Object factObject) {
          addFacts(factsBuilder, factObject, KPMENamespace.KPME_LM.getNamespaceCode(), TklmKrmsConstants.Context.LM_CONTEXT_NAME);
      }
  
      @Override
      public void addFacts(Facts.Builder factsBuilder, Object factObject, String contextId, String namespace) {
          addObjectMembersAsFacts(factsBuilder, factObject, contextId, namespace);
          factsBuilder.addFact(new Term("payrollProcessorApproval"), Boolean.FALSE);
          if (factObject != null
                  && factObject instanceof Assignable) {
              Assignable assignable = (Assignable)factObject;
              factsBuilder.addFact(Assignable.ASSIGNABLE_TERM_NAME, assignable);
              Set<String> workAreas = new HashSet<String>();
              Set<String> depts = new HashSet<String>();
  
              for (Assignment a : assignable.getAssignments()) {
                  workAreas.add(String.valueOf(a.getWorkArea()));
                  depts.add(a.getDept());
                  Department department = HrServiceLocator.getDepartmentService().getDepartment(a.getDept(), a.getGroupKeyCode(), a.getEffectiveLocalDate());
                  if (department != null
                          && department.isPayrollApproval()) {
                      factsBuilder.addFact(new Term("payrollProcessorApproval"), Boolean.TRUE);
                  }
              }
              if (CollectionUtils.isNotEmpty(depts)) {
                  factsBuilder.addFact("department", depts);
              }
              if (CollectionUtils.isNotEmpty(workAreas)) {
                  factsBuilder.addFact("workarea", workAreas);
              }
          }
      }
  }