package org.kuali.student.lum.program.server;

 import java.util.ArrayList;

 import java.util.List;

 import org.apache.log4j.Logger;

 import org.kuali.student.common.ui.client.widgets.rules.ReqComponentInfoUi;

 import org.kuali.student.core.dictionary.old.dto.ObjectStructure;

 import org.kuali.student.core.exceptions.DoesNotExistException;

 import org.kuali.student.core.search.dto.SearchCriteriaTypeInfo;

 import org.kuali.student.core.search.dto.SearchRequest;

 import org.kuali.student.core.search.dto.SearchResult;

 import org.kuali.student.core.search.dto.SearchResultTypeInfo;

 import org.kuali.student.core.search.dto.SearchTypeInfo;

 import org.kuali.student.core.statement.dto.ReqComponentInfo;

 import org.kuali.student.core.statement.dto.ReqComponentTypeInfo;

 import org.kuali.student.core.statement.dto.StatementTreeViewInfo;

 import org.kuali.student.core.statement.dto.StatementTypeInfo;

 import org.kuali.student.core.statement.service.StatementService;

 import org.kuali.student.core.versionmanagement.dto.VersionDisplayInfo;

 import org.kuali.student.lum.lu.dto.CluInfo;

 import org.kuali.student.lum.lu.service.LuService;

 import org.kuali.student.lum.program.client.rpc.StatementRpcService;

 import org.springframework.transaction.annotation.Transactional;

 @Transactional(readOnly=true,noRollbackFor={DoesNotExistException.class},rollbackFor={Throwable.class})

 public class StatementDataService implements StatementRpcService{

         final static Logger LOG = Logger.getLogger(StatementDataService.class);

     private StatementService statementService;

     private LuService luService;

     private static final long serialVersionUID = 822326113643828855L;

     @Override

     public List<StatementTypeInfo> getStatementTypesForStatementTypeForCourse(String statementTypeKey) throws Exception {

         List<StatementTypeInfo> allStatementTypes = new ArrayList<StatementTypeInfo>();

         List<String> topStatementTypes = statementService.getStatementTypesForStatementType(statementTypeKey);

         // loop through top statement types like enrollment eligibility and credit constraints

         for (String topStatementType : topStatementTypes) {           

             allStatementTypes.add(statementService.getStatementType(topStatementType));

             List<String> subStatementTypeNames = statementService.getStatementTypesForStatementType(topStatementType);

             // loop through statement types belonging to the top statement types

             for (String subStatementTypeName : subStatementTypeNames) {

                 allStatementTypes.add(statementService.getStatementType(subStatementTypeName));

             }

         }

         return allStatementTypes;

     }

     @Override

     public List<StatementTypeInfo> getStatementTypesForStatementType(String statementTypeKey) throws Exception {

         List<String> statementTypeNames = statementService.getStatementTypesForStatementType(statementTypeKey);

         List<StatementTypeInfo> statementTypes = new ArrayList<StatementTypeInfo>();

         for (String statementTypeName : statementTypeNames) {

             statementTypes.add(statementService.getStatementType(statementTypeName));

         }

         return statementTypes;

     }

     @Override

     public List<ReqComponentTypeInfo> getReqComponentTypesForStatementType(String luStatementTypeKey) throws Exception {

         List<ReqComponentTypeInfo> reqComponentTypeInfoList;

         try { 

             reqComponentTypeInfoList = statementService.getReqComponentTypesForStatementType(luStatementTypeKey);

         } catch (Exception ex) {

             LOG.error(ex);

             throw new Exception("Unable to find Requirement Component Types based on LU Statement Type Key:" + luStatementTypeKey, ex);

         }

         return reqComponentTypeInfoList;

     }

     @Override

     public String translateStatementTreeViewToNL(StatementTreeViewInfo statementTreeViewInfo, String nlUsageTypeKey, String language) throws Exception {

         return statementService.translateStatementTreeViewToNL(statementTreeViewInfo, nlUsageTypeKey, language);

     }

     @Override

     public String translateReqComponentToNL(ReqComponentInfo reqComponentInfo, String nlUsageTypeKey, String language) throws Exception {

         return statementService.translateReqComponentToNL(reqComponentInfo, nlUsageTypeKey, language);

     }

     @Override

     public List<String> translateReqComponentToNLs(ReqComponentInfoUi reqComponentInfo, String[] nlUsageTypeKeys, String language) throws Exception {

             List<String> nls = new ArrayList<String>(nlUsageTypeKeys.length);

             for (String typeKey : nlUsageTypeKeys) {

                     nls.add(statementService.translateReqComponentToNL(reqComponentInfo, typeKey, language));

             }

             return nls;

     }

     @Override

     public CluInfo getClu(String cluId) throws Exception {

         return luService.getClu(cluId);

     }

     @Override

     public VersionDisplayInfo getCurrentVersion(String refObjectTypeURI, String refObjectId) throws Exception {

         return luService.getCurrentVersion(refObjectTypeURI, refObjectId);

     }

     public void setStatementService(StatementService statementService) {

         this.statementService = statementService;

     }

     public void setLuService(LuService luService) {

         this.luService = luService;

     }

         @Override

         public List<String> getObjectTypes() {

                 throw new UnsupportedOperationException();

         }

         @Override

         public ObjectStructure getObjectStructure(String objectTypeKey) {

                 throw new UnsupportedOperationException();

         }

         @Override

         public List<SearchTypeInfo> getSearchTypes() {

                 throw new UnsupportedOperationException();

         }

         @Override

         public SearchTypeInfo getSearchType(String searchTypeKey) {

                 throw new UnsupportedOperationException();

         }

         @Override

         public List<SearchTypeInfo> getSearchTypesByResult(

                         String searchResultTypeKey) {

                 throw new UnsupportedOperationException();

         }

         @Override

         public List<SearchTypeInfo> getSearchTypesByCriteria(

                         String searchCriteriaTypeKey) {

                 throw new UnsupportedOperationException();

         }

         @Override

         public List<SearchResultTypeInfo> getSearchResultTypes() {

                 throw new UnsupportedOperationException();

         }

         @Override

         public SearchResultTypeInfo getSearchResultType(String searchResultTypeKey) {

                 throw new UnsupportedOperationException();

         }

         @Override

         public List<SearchCriteriaTypeInfo> getSearchCriteriaTypes() {

                 throw new UnsupportedOperationException();

         }

         @Override

         public SearchCriteriaTypeInfo getSearchCriteriaType(

                         String searchCriteriaTypeKey) {

                 throw new UnsupportedOperationException();

         }

         @Override

         public SearchResult search(SearchRequest searchRequest) {

                 throw new UnsupportedOperationException();

         }

 }