/**
    * Copyright 2010 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.osedu.org/lic enses/ECL-2.0
    *
    * 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.student.r2.lum.statement.config.context;
  
  import org.kuali.student.r1.core.statement.dto.ReqComponentInfo;
  import org.kuali.student.r1.lum.statement.typekey.ReqComponentFieldTypes;
  import org.kuali.student.r2.common.class1.type.service.TypeService;
  import org.kuali.student.r2.common.dto.ContextInfo;
  import org.kuali.student.r2.common.exceptions.OperationFailedException;
  import org.kuali.student.r2.lum.lrc.dto.ResultScaleInfo;
  import org.kuali.student.r2.lum.lrc.dto.ResultValueInfo;
  import org.kuali.student.r2.lum.lrc.dto.ResultValuesGroupInfo;
  import org.kuali.student.r2.lum.lrc.service.LRCService;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * This class creates the template context for grade condition type.
   */
  public class LrcContextImpl extends BasicContextImpl {
  
      private LRCService lrcService;
      private TypeService typeService;
  
      /**
       * Total credits template token
       */
      public final static String GRADE_TOKEN = "grade";
      public final static String GRADE_TYPE_TOKEN = "gradeType";
  
      public void setLrcService(LRCService lrcService) {
          this.lrcService = lrcService;
      }
  
      public TypeService getTypeService() {
          return typeService;
      }
  
      public void setTypeService(TypeService typeService) {
          this.typeService = typeService;
      }
  
      private ResultScaleInfo getResultScale(String resultScaleId, ContextInfo contextInfo) throws OperationFailedException {
          if (resultScaleId == null) {
              return null;
          }
          try {
              return lrcService.getResultScale(resultScaleId, contextInfo);
          } catch (Exception e) {
              throw new OperationFailedException(e.getMessage(), e);
          }
      }
      private ResultValuesGroupInfo getResultValuesGroupByResultValueGroupId(String resultValueGroupId, ContextInfo contextInfo ) throws OperationFailedException {
          if (resultValueGroupId == null) {
              return null;
          }
          try {
              return lrcService.getResultValuesGroup(resultValueGroupId,contextInfo);
          } catch (Exception e) {
              throw new OperationFailedException(e.getMessage(), e);
          }
      }
  
      private ResultValueInfo getResultValue(String resultValueId, ContextInfo contextInfo) throws OperationFailedException {
          try {
              return lrcService.getResultValue(resultValueId,contextInfo);
          } catch (Exception e) {
              throw new OperationFailedException(e.getMessage(), e);
          }
  
      }
  
      /**
       * Creates the context map (template data) for the requirement component.
       *
       * @param reqComponent Requirement component
       * @throws OperationFailedException Creating context map fails
       */
      public Map<String, Object> createContextMap(ReqComponentInfo reqComponent, ContextInfo contextInfo) throws OperationFailedException {
          Map<String, Object> contextMap = new HashMap<String, Object>();
  
          String gradeId = getReqComponentFieldValue(reqComponent, ReqComponentFieldTypes.GRADE_KEY.getId());
          if (gradeId == null) {
              gradeId = getReqComponentFieldValue(reqComponent, ReqComponentFieldTypes.GRADE_TYPE_KEY.getId());
          }
 
         if (gradeId != null){
         ResultValueInfo grade = getResultValue(gradeId, contextInfo);
             if (grade != null) {
                 contextMap.put(GRADE_TOKEN, grade.getValue());
                 contextMap.put(GRADE_TYPE_TOKEN, getResultScale(grade.getResultScaleKey(),contextInfo));
             }
         }
         return contextMap;
     }
 }