/*

  * Copyright 2009 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.contract.model.validation;

 import org.kuali.student.contract.model.DictionaryModel;

 import org.kuali.student.contract.model.SearchModel;

 import org.kuali.student.contract.model.SearchType;

 import org.kuali.student.contract.model.Service;

 import org.kuali.student.contract.model.util.ModelFinder;

 import java.util.ArrayList;

 import java.util.Collection;

 /**

  * This validates a single searchTypeinoary entry

  * @author nwright

  */

 public class SearchTypeValidator implements ModelValidator {

     private SearchType searchType;

     private SearchModel model;

     public SearchTypeValidator(SearchType searchType, SearchModel model) {

         this.searchType = searchType;

         this.model = model;

     }

     private Collection errors;

     @Override

     public Collection<String> validate() {

         errors = new ArrayList();

         basicValidation();

         if (searchType.getImplementation() == null) {

             addError("JPQL implementation is required");

         }

         if (searchType.getSearchCriteria() == null) {

             addError("Criteria is required");

         }

         ModelValidator validator =

                 new SearchCriteriaValidator(searchType.getSearchCriteria(), searchType);

         errors.addAll(validator.validate());

         if (searchType.getSearchResult() == null) {

             addError("Results is required");

         }

         validator =

                 new SearchResultValidator(searchType.getSearchResult(), searchType);

         errors.addAll(validator.validate());

         return errors;

     }

     private void basicValidation() {

         if (searchType.getKey().equals("")) {

             addError("search type key is required");

         }

         if (!searchType.getType().equals("Search")) {

             addError("'Type' column in the search type must be 'Search'");

         }

         if (searchType.getName().equals("")) {

             addError("Name is required");

         }

         if (searchType.getDescription().equals("")) {

             addError("Description is required");

         }

         if (!searchType.getDataType().equals("")) {

             addError("Data Type should be blank");

         }

         if (!searchType.getService().equals("")) {

             if (findService(searchType.getService()) == null) {

                 addError("Service, [" + searchType.getService()

                         + "] could not be found in the list of services");

             }

         }

     }

     private Service findService(String service) {

         // if we are only working with the searchModel then can't validate service

         if (!(model instanceof DictionaryModel)) {

             return null;

         }

         return new ModelFinder((DictionaryModel) model).findService(service);

     }

     private void addError(String msg) {

         String error = "Error in searchType entry: " + searchType.getKey()

                 + ": " + msg;

         if (!errors.contains(error)) {

             errors.add(error);

         }

     }

 }