/*
    * Copyright 2008-2009 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.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.rice.kns.service.impl;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.log4j.Logger;
  import org.kuali.rice.kns.bo.State;
  import org.kuali.rice.kns.service.CountryService;
  import org.kuali.rice.kns.service.KualiModuleService;
  import org.kuali.rice.kns.service.StateService;
  import org.kuali.rice.kns.util.KNSPropertyConstants;
  
  public class StateServiceImpl implements StateService {
      private static Logger LOG = Logger.getLogger(StateServiceImpl.class);
  
      private KualiModuleService kualiModuleService;
      private CountryService countryService;
  
      /**
       * @see org.kuali.kfs.sys.service.StateService#getByPrimaryId(java.lang.String)
       */
      public State getByPrimaryId(String postalStateCode) {
          String postalCountryCode = countryService.getDefaultCountry().getPostalCountryCode();
          return this.getByPrimaryId(postalCountryCode, postalStateCode);
      }
  
      /**
       * @see org.kuali.kfs.sys.service.StateService#getByPrimaryId(java.lang.String, java.lang.String)
       */
      public State getByPrimaryId(String postalCountryCode, String postalStateCode) {
          if (StringUtils.isBlank(postalCountryCode) || StringUtils.isBlank(postalStateCode)) {
              LOG.debug("neither postalCountryCode nor postalStateCode can be empty String.");
              return null;
          }
  
          Map<String, Object> postalStateMap = new HashMap<String, Object>();
          postalStateMap.put(KNSPropertyConstants.POSTAL_COUNTRY_CODE, postalCountryCode);
          postalStateMap.put(KNSPropertyConstants.POSTAL_STATE_CODE, postalStateCode);
  
          return kualiModuleService.getResponsibleModuleService(State.class).getExternalizableBusinessObject(State.class, postalStateMap);
      }
  
      public State getByPrimaryIdIfNecessary(String postalStateCode, State existingState) {
          String postalCountryCode = countryService.getDefaultCountry().getPostalCountryCode();
  
          return this.getByPrimaryIdIfNecessary(postalCountryCode, postalStateCode, existingState);
      }
  
      public State getByPrimaryIdIfNecessary(String postalCountryCode, String postalStateCode, State existingState) {
          if (existingState != null) {
              String existingCountryCode = existingState.getPostalCountryCode();
              String existingPostalStateCode = existingState.getPostalStateCode();
              if (StringUtils.equals(postalCountryCode, existingCountryCode) && StringUtils.equals(postalStateCode, existingPostalStateCode)) {
                  return existingState;
              }
          }
  
          return this.getByPrimaryId(postalCountryCode, postalStateCode);
      }
  
      /**
       * @see org.kuali.kfs.sys.service.StateService#findAllStates()
       */
      public List<State> findAllStates() {
          String postalCountryCode = countryService.getDefaultCountry().getPostalCountryCode();
          return this.findAllStates(postalCountryCode);
      }
  
      /**
       * @see org.kuali.kfs.sys.service.StateService#findAllStates(java.lang.String)
       */
      public List<State> findAllStates(String postalCountryCode) {
          if (StringUtils.isBlank(postalCountryCode)) {
              throw new IllegalArgumentException("The postalCountryCode cannot be empty String.");
          }
  
          Map<String, Object> postalStateMap = new HashMap<String, Object>();
          postalStateMap.put(KNSPropertyConstants.POSTAL_COUNTRY_CODE, postalCountryCode);
  
          return kualiModuleService.getResponsibleModuleService(State.class).getExternalizableBusinessObjectsList(State.class, postalStateMap);
      }
  
     /**
      * Sets the kualiModuleService attribute value.
      * 
      * @param kualiModuleService The kualiModuleService to set.
      */
     public void setKualiModuleService(KualiModuleService kualiModuleService) {
         this.kualiModuleService = kualiModuleService;
     }
 
     /**
      * Sets the countryService attribute value.
      * 
      * @param countryService The countryService to set.
      */
     public void setCountryService(CountryService countryService) {
         this.countryService = countryService;
     }
 }