/**

  * Copyright 2005-2011 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.location.impl.country;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;

 import org.kuali.rice.core.api.exception.RiceIllegalStateException;

 import org.kuali.rice.krad.service.BusinessObjectService;

 import org.kuali.rice.krad.util.KRADPropertyConstants;

 import org.kuali.rice.location.api.country.Country;

 import org.kuali.rice.location.api.country.CountryService;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 public final class CountryServiceImpl implements CountryService {

     private BusinessObjectService businessObjectService;

     @Override

     public Country getCountry(final String code) {

         if (StringUtils.isBlank(code)) {

             throw new RiceIllegalArgumentException("code is blank");

         }

         CountryBo countryBo = businessObjectService.findByPrimaryKey(CountryBo.class, Collections.singletonMap(

                 KRADPropertyConstants.POSTAL_COUNTRY_CODE, code));

         return CountryBo.to(countryBo);

     }

     @Override

     public Country getCountryByAlternateCode(final String alternateCode) {

         if (StringUtils.isBlank(alternateCode)) {

             throw new RiceIllegalArgumentException("alt code is blank");

         }

         Collection<CountryBo> countryList = businessObjectService.findMatching(CountryBo.class, Collections.singletonMap(

                 KRADPropertyConstants.ALTERNATE_POSTAL_COUNTRY_CODE, alternateCode));

         if (countryList == null || countryList.isEmpty()) {

             return null;

         } else if (countryList.size() == 1) {

             return CountryBo.to(countryList.iterator().next());

         } else throw new RiceIllegalStateException("Multiple countries found with same alternateCode");

     }

     @Override

     public List<Country> findAllCountriesNotRestricted() {

         List<String> criteriaValues = new ArrayList<String>();

         criteriaValues.add(null);

         criteriaValues.add("N");

         final Map<String, Object> map = new HashMap<String, Object>();

         map.put(KRADPropertyConstants.POSTAL_COUNTRY_RESTRICTED_INDICATOR, criteriaValues);

         map.put("active", Boolean.TRUE);

         Collection<CountryBo> countryBos = businessObjectService.findMatching(CountryBo.class, Collections.unmodifiableMap(map));

         return convertListOfBosToImmutables(countryBos);

     }

     @Override

     public List<Country> findAllCountries() {

         final Map<String, Object> map = new HashMap<String, Object>();

         map.put("active", Boolean.TRUE);

         Collection<CountryBo> countryBos = businessObjectService.findMatching(CountryBo.class, Collections.unmodifiableMap(map));

         return convertListOfBosToImmutables(countryBos);

     }

     /**

      * Sets the businessObjectServiceMockFor attribute value.

      *

      * @param businessObjectService The businessObjectServiceMockFor to set.

      */

     public void setBusinessObjectService(final BusinessObjectService businessObjectService) {

         this.businessObjectService = businessObjectService;

     }

     /**

      * Converts a List<CountryBo> to an Unmodifiable List<Country>

      *

      * @param countryBos a mutable List<CountryBo> to made completely immutable.

      * @return An unmodifiable List<Country>

      */

     List<Country> convertListOfBosToImmutables(final Collection<CountryBo> countryBos) {

         ArrayList<Country> countries = new ArrayList<Country>();

         for (CountryBo bo : countryBos) {

             Country country = CountryBo.to(bo);

             countries.add(country);

         }

         return Collections.unmodifiableList(countries);

     }

 }