/*
    * Copyright 2019 the original author or authors.
    *
    * Licensed under the Apache 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.apache.org/licenses/LICENSE-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.bremersee.dccon.repository.ldap.transcoder;
  
  import lombok.extern.slf4j.Slf4j;
  import org.bremersee.data.ldaptive.LdaptiveEntryMapper;
  import org.bremersee.dccon.config.DomainControllerProperties;
  import org.ldaptive.io.AbstractStringValueTranscoder;
  import org.springframework.util.StringUtils;
  
  /**
   * The user group value transcoder.
   *
   * @author Christian Bremer
   */
  @Slf4j
  public class UserGroupValueTranscoder extends AbstractStringValueTranscoder<String> {
  
    private DomainControllerProperties properties;
  
    /**
     * Instantiates a new user group value transcoder.
     *
     * @param properties the properties
     */
    public UserGroupValueTranscoder(DomainControllerProperties properties) {
      this.properties = properties;
    }
  
    @Override
    public String decodeStringValue(String value) {
      return LdaptiveEntryMapper.getRdn(value);
    }
  
    @Override
    public String encodeStringValue(String value) {
      if (StringUtils.hasText(value)) {
        return LdaptiveEntryMapper
            .createDn(properties.getGroupRdn(), value, properties.getGroupBaseDn());
      }
      return null;
    }
  
    @Override
    public Class<String> getType() {
      return String.class;
    }
  }