/*
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions Copyright [year] [name of copyright owner]".
 *
 * Copyright 2008-2010 Sun Microsystems, Inc.
 * Portions Copyright 2012-2014 ForgeRock AS.
 */

package org.opends.quicksetup;
import org.forgerock.i18n.LocalizableMessage;

import java.util.List;

/**
 * This class describes methods for supporting interaction with the user.
 */
public interface UserInteraction {

  /**
   * Type of message displayed to the user.  The type of message
   * may affect the presentation of the interaction.
   */
  public enum MessageType {

    /** A message with no context. */
    PLAIN,

    /** A message displayed as a result of an error. */
    ERROR,

    /** A message displayed informing the user of something. */
    INFORMATION,

    /** A message displayed to warn the user. */
    WARNING,

    /** A message displayed to ask the user a question. */
    QUESTION
  }

  /**
   * Present a list of choices to the user and wait for them to select one
   * of them.
   * @param summary text to present to the user.  This is usually just a
   *        string bug For GUI applications can be a component that will appear
   *        inside a dialog
   * @param detail more details of the message
   * @param title of the prompt if any
   * @param type of message
   * @param options set of options to give the user
   * @param def the default option from <code>options</code>
   * @return Object that is the same value as the user selection from the
   *         <code>options</code> parameter.
   */
  Object confirm(LocalizableMessage summary, LocalizableMessage detail,
                 LocalizableMessage title, MessageType type,
                 LocalizableMessage[] options, LocalizableMessage def);

  /**
   * Present a list of choices to the user and wait for them to select one
   * of them.
   * @param summary text to present to the user.  This is usually just a
   *        string bug For GUI applications can be a component that will appear
   *        inside a dialog
   * @param detail more details of the message
   * @param fineDetails even finer details.  This text may be rendered in
   *        such a way that the user needs to take some sort of action to
   *        see this text
   * @param title of the prompt if any
   * @param type of message
   * @param options set of options to give the user
   * @param def the default option from <code>options</code>
   * @param viewDetailsOption name of the option to be used for showing the
   *        details.  If null a default will be used.
   * @return Object that is the same value as the user selection from the
   *         <code>options</code> parameter.
   */
  Object confirm(LocalizableMessage summary, LocalizableMessage detail, LocalizableMessage fineDetails,
                 LocalizableMessage title, MessageType type, LocalizableMessage[] options,
                 LocalizableMessage def, LocalizableMessage viewDetailsOption);

  /**
   * Creates a list appropriate for the presentation implementation.
   *
   * @param list to format
   * @return String representing the list
   */
  String createUnorderedList(List<?> list);

  /**
   * Tells whether the interaction is command-line based.
   * @return <CODE>true</CODE> if the user interaction is command-line based and
   * <CODE>false</CODE> otherwise.
   */
  boolean isCLI();

  /**
   * Indicates whether or not the CLI based user has requested to continue when
   * a non critical error occurs.
   *
   * @return boolean where true indicates to continue if there is a non critical
   *         error.
   */
  boolean isForceOnError();

  /**
   * Indicates whether or not the CLI user has requested interactive behavior.
   *
   * @return <code>true</code> if the CLI user has requested interactive
   *         behavior.
   */
  boolean isInteractive();

}