/**
    * 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.student.contract.model.validation;
  
  import org.kuali.student.contract.model.DictionaryModel;
  import org.kuali.student.contract.model.OrchObj;
  import org.kuali.student.contract.model.util.ModelFinder;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  /**
   * Validates the entire spreadsheet model
   * @author nwright
   */
  public class OrchestrationModelValidator implements ModelValidator {
  
      private DictionaryModel model;
      private ModelFinder finder;
  
      public OrchestrationModelValidator(DictionaryModel model) {
          this.model = model;
          this.finder = new ModelFinder(model);
      }
      List<String> errors;
  
      @Override
      public Collection<String> validate() {
          errors = new ArrayList();
          validateOrchObjs();
          errors.addAll(new DictionaryModelValidator(model).validate());
          return errors;
      }
  
      private void validateOrchObjs() {
          if (model.getOrchObjs().size() == 0) {
              addError("No orchestration objects found");
          }
          for (OrchObj orch : model.getOrchObjs()) {
              OrchObjValidator cv = new OrchObjValidator(orch);
              errors.addAll(cv.validate());
          }
      }
  
      private void addError(String msg) {
          String error = "Error in orchestration dictionary spreadsheet: " + msg;
          if (!errors.contains(error)) {
              errors.add(error);
          }
      }
  }