/*
    * 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;
  
  import static org.bremersee.data.ldaptive.LdaptiveEntryMapper.getAttributeValue;
  
  import javax.validation.constraints.NotNull;
  import lombok.AccessLevel;
  import lombok.Getter;
  import org.bremersee.dccon.config.DomainControllerProperties;
  import org.bremersee.dccon.model.CommonAttributes;
  import org.bremersee.dccon.repository.ldap.transcoder.GeneralizedTimeToOffsetDateTimeValueTranscoder;
  import org.ldaptive.LdapEntry;
  
  /**
   * The abstract ldap mapper.
   *
   * @author Christian Bremer
   */
  abstract class AbstractLdapMapper {
  
    static final String WHEN_CREATED = "whenCreated";
  
    static final String WHEN_CHANGED = "whenChanged";
  
    private static final GeneralizedTimeToOffsetDateTimeValueTranscoder WHEN_TIME_VALUE_TRANSCODER
        = new GeneralizedTimeToOffsetDateTimeValueTranscoder();
  
    @Getter(AccessLevel.PROTECTED)
    private DomainControllerProperties properties;
  
    /**
     * Instantiates a new abstract ldap mapper.
     *
     * @param properties the properties
     */
    AbstractLdapMapper(DomainControllerProperties properties) {
      this.properties = properties;
    }
  
    /**
     * Create distinguished name.
     *
     * @param rdn the rdn
     * @param rdnValue the rdn value
     * @param baseDn the base dn
     * @return the string
     */
    String createDn(
        @NotNull final String rdn,
        @NotNull final String rdnValue,
        @NotNull final String baseDn) {
      return rdn + "=" + rdnValue + "," + baseDn;
    }
  
    /**
     * Map common attributes.
     *
     * @param source the source
     * @param destination the destination
     */
    void mapCommonAttributes(final LdapEntry source, final CommonAttributes destination) {
      if (source != null && destination != null) {
        destination.setCreated(getAttributeValue(
            source, WHEN_CREATED, WHEN_TIME_VALUE_TRANSCODER, null));
        destination.setDistinguishedName(source.getDn());
        destination.setModified(getAttributeValue(
            source, WHEN_CHANGED, WHEN_TIME_VALUE_TRANSCODER, null));
      }
    }
  
  }