/**

  * 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/licenses/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.common.assembly.util;

 import java.util.ArrayList;

 import java.util.List;

 import org.apache.log4j.Logger;

 import org.kuali.student.common.assembly.data.AssemblyException;

 import org.kuali.student.common.assembly.data.LookupMetadata;

 import org.kuali.student.common.assembly.data.LookupParamMetadata;

 import org.kuali.student.common.assembly.data.Metadata.WriteAccess;

 import org.kuali.student.common.search.dto.SearchParam;

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

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

 import org.kuali.student.common.search.dto.SearchResultCell;

 import org.kuali.student.common.search.dto.SearchResultRow;

 import org.kuali.student.common.search.service.SearchDispatcher;

 /**

  * Builds and issues SearchRequests parameterized with the information from LookupMetadata and the provided ID

  * 

  * @author Kuali Student Team

  *

  */

 public class IdTranslator {

     private static final String ENUMERATION = "enumeration";

         private List<SearchParam> additionalParams = new ArrayList<SearchParam>();

     private SearchDispatcher searchDispatcher;

     final Logger LOG = Logger.getLogger(IdTranslator.class);

     public IdTranslator(SearchDispatcher searchDispatcher) throws AssemblyException {

             this.searchDispatcher = searchDispatcher;

     }

         private SearchRequest buildSearchRequestById(LookupMetadata lookupMetadata, String searchId) {

             SearchRequest sr = new SearchRequest();

             sr.setNeededTotalResults(false);

             sr.setSearchKey(lookupMetadata.getSearchTypeId());

             sr.setSortColumn(lookupMetadata.getResultSortKey());

             List<SearchParam> searchParams = new ArrayList<SearchParam>();

             if (lookupMetadata.getSearchParamIdKey() != null) {

                     //FIXME: workaround until orch dict can handle multi part keys on initiallookup defs

                     if (lookupMetadata.getSearchParamIdKey().contains(ENUMERATION)) {

                             for (LookupParamMetadata p : lookupMetadata.getParams()) {

                                     if (p.getWriteAccess() != null && p.getWriteAccess().equals(WriteAccess.NEVER) && p.getDefaultValueString() != null) {

                                             SearchParam param = createParam(p.getKey(), p.getDefaultValueString());

                                             searchParams.add(param);                                                               

                                     }

                                     else if (p.getWriteAccess() == null || !p.getWriteAccess().equals(WriteAccess.NEVER)){

                                             SearchParam param = createParam(p.getKey(), searchId);

                                             searchParams.add(param);                                                                   

                                     }

                             }

                     }

                     else {

                             SearchParam param = createParam(lookupMetadata.getSearchParamIdKey(), searchId);

                             searchParams.add(param);        

                     }

                     sr.setParams(searchParams);                 

             }        

             else {

                     LOG.warn("Unable to build search request for " + lookupMetadata.getSearchTypeId() + " translation for id " + searchId);

             }

             sr.getParams().addAll(additionalParams);

         return sr;

     }

     private SearchParam createParam(String key, String value) {

             SearchParam param = new SearchParam();

             if(key == null) {

                         param.setKey("");

                 } else {

                         param.setKey(key);

                 }

             if(value == null) {

                         param.setValue("");

                 } else {

                         param.setValue(value);

                 }

             return param;

     }

     public IdTranslation getTranslation(LookupMetadata lookupMetadata, String id) throws AssemblyException {

         SearchRequest searchRequest = buildSearchRequestById(lookupMetadata, id);

         SearchResult searchResults = null;

                 searchResults = searchDispatcher.dispatchSearch(searchRequest);

         IdTranslation result = null; 

         if(searchResults != null && searchResults.getRows().size() > 0){

                 result = new IdTranslation();

                 result.setId(id);

                 SearchResultRow r = searchResults.getRows().get(0);

             for(SearchResultCell c: r.getCells()){

                 if(c.getKey().equals(lookupMetadata.getResultDisplayKey())){

                     result.addAttribute(c.getKey(), c.getValue());

                     result.setDisplay(c.getValue());

                 } else {

                     result.addAttribute(c.getKey(), c.getValue());

                 }

             }

         }

         return result;

     }

     public String getTranslationForAtp(String value) {

         SearchRequest searchRequest = new SearchRequest();

         searchRequest.setSearchKey("atp.search.advancedAtpSearch");

         ArrayList<SearchParam> searchParams = new ArrayList<SearchParam>();

         SearchParam searchParam = new SearchParam();

         searchParam.setKey("atp.advancedAtpSearchParam.atpId");

         searchParam.setValue(value);

         searchParams.add(searchParam);

         searchRequest.setParams(searchParams);

         SearchResult searchResult = searchDispatcher.dispatchSearch(searchRequest);

         if(searchResult!= null){

             for (SearchResultRow resultRow : searchResult.getRows()) {

                 for (SearchResultCell searchResultCell : resultRow.getCells()) {

                     if(searchResultCell.getKey().equals("atp.resultColumn.atpDescrPlain")){

                         return searchResultCell.getValue();

                     }

                 }

             }

         }

         return null;

     }

 }