/* See LICENSE for licensing and NOTICE for copyright. */
package org.ldaptive;

import java.util.Arrays;
import java.util.Collection;
import org.ldaptive.control.ResponseControl;

/**
 * Simple bean representing a search reference.
 *
 * @author  Middleware Services
 */
public class SearchReference implements ResponseMessage
{

  /** hash code seed. */
  private static final int HASH_CODE_SEED = 349;

  /** referral urls. */
  private final String[] referralUrls;

  /** response controls. */
  private final ResponseControl[] responseControls;

  /** message ID. */
  private final int messageId;

  /** response from following the reference. */
  private Response<SearchResult> referenceResponse;


  /**
   * Creates a search reference.
   *
   * @param  id  message id
   * @param  c  response controls
   * @param  url  referral urls
   */
  public SearchReference(final int id, final ResponseControl[] c, final String... url)
  {
    messageId = id;
    responseControls = c;
    referralUrls = url;
  }


  /**
   * Creates a search reference.
   *
   * @param  id  message id
   * @param  c  response controls
   * @param  urls  referral urls
   */
  public SearchReference(final int id, final ResponseControl[] c, final Collection<String> urls)
  {
    messageId = id;
    responseControls = c;
    referralUrls = urls.toArray(new String[urls.size()]);
  }


  /**
   * Returns the referral urls for this search reference.
   *
   * @return  referral urls
   */
  public String[] getReferralUrls()
  {
    return referralUrls;
  }


  @Override
  public ResponseControl[] getControls()
  {
    return responseControls;
  }


  @Override
  public ResponseControl getControl(final String oid)
  {
    if (getControls() != null) {
      for (ResponseControl c : getControls()) {
        if (c.getOID().equals(oid)) {
          return c;
        }
      }
    }
    return null;
  }


  @Override
  public int getMessageId()
  {
    return messageId;
  }


  /**
   * Returns the response from following the reference.
   *
   * @return  reference response or null.
   */
  public Response<SearchResult> getReferenceResponse()
  {
    return referenceResponse;
  }


  /**
   * Sets the response from following the reference.
   *
   * @param  response  from following the reference
   */
  public void setReferenceResponse(final Response<SearchResult> response)
  {
    referenceResponse = response;
  }


  @Override
  public int hashCode()
  {
    return LdapUtils.computeHashCode(HASH_CODE_SEED, referralUrls, responseControls, messageId);
  }


  @Override
  public String toString()
  {
    return
      String.format(
        "[%s@%d::referralUrls=%s, responseControls=%s, " +
        "messageId=%s, referenceResponse=%s]",
        getClass().getName(),
        hashCode(),
        Arrays.toString(referralUrls),
        Arrays.toString(responseControls),
        messageId,
        referenceResponse);
  }
}