/*
    * Copyright 2011 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.rice.kew.impl.rule;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.log4j.Logger;
  import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;
  import org.kuali.rice.kew.api.rule.Rule;
  import org.kuali.rice.kew.api.rule.RuleReportCriteria;
  import org.kuali.rice.kew.api.rule.RuleService;
  import org.kuali.rice.kew.rule.RuleBaseValues;
  import org.kuali.rice.kew.service.KEWServiceLocator;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  /**
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class RuleServiceImpl implements RuleService {
      private static final Logger LOG = Logger.getLogger(RuleServiceImpl.class);
  
      @Override
      public List<Rule> ruleReport(RuleReportCriteria ruleReportCriteria) {
          incomingParamCheck(ruleReportCriteria, "ruleReportCriteria");
          if ( LOG.isDebugEnabled() ) {
          	LOG.debug("Executing rule report [responsibleUser=" + ruleReportCriteria.getResponsiblePrincipalId() + ", responsibleWorkgroup=" +
                      ruleReportCriteria.getResponsibleGroupId() + "]");
          }
          Collection<RuleBaseValues> rulesFound = KEWServiceLocator.getRuleService().searchByTemplate(
                  ruleReportCriteria.getDocumentTypeName(), ruleReportCriteria.getRuleTemplateName(),
                  ruleReportCriteria.getRuleDescription(), ruleReportCriteria.getResponsibleGroupId(),
                  ruleReportCriteria.getResponsiblePrincipalId(), Boolean.valueOf(ruleReportCriteria.isConsiderGroupMembership()),
                  Boolean.valueOf(ruleReportCriteria.isIncludeDelegations()), Boolean.valueOf(ruleReportCriteria.isActive()), ruleReportCriteria.getRuleExtensions(),
                  ruleReportCriteria.getActionRequestCodes());
          List<org.kuali.rice.kew.api.rule.Rule> returnableRules = new ArrayList<Rule>(rulesFound.size());
          for (RuleBaseValues rule : rulesFound) {
              returnableRules.add(RuleBaseValues.to(rule));
          }
          return returnableRules;
      }
  
      private void incomingParamCheck(Object object, String name) {
          if (object == null) {
              throw new RiceIllegalArgumentException(name + " was null");
          } else if (object instanceof String
                  && StringUtils.isBlank((String) object)) {
              throw new RiceIllegalArgumentException(name + " was blank");
          }
      }
  }