/*
    * Licensed to The Apereo Foundation under one or more contributor license
    * agreements. See the NOTICE file distributed with this work for additional
    * information regarding copyright ownership.
    *
    *
    * The Apereo Foundation licenses this file to you 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://opensource.org/licenses/ecl2.txt
   *
   * 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.opencastproject.event.comment;
  
  import static org.opencastproject.util.RequireUtil.notEmpty;
  import static org.opencastproject.util.RequireUtil.notNull;
  
  import org.opencastproject.security.api.User;
  import org.opencastproject.util.DateTimeSupport;
  import org.opencastproject.util.EqualsUtil;
  import org.opencastproject.util.Jsons;
  import org.opencastproject.util.Jsons.Obj;
  import org.opencastproject.util.Jsons.Val;
  
  import org.apache.commons.lang3.StringUtils;
  
  import java.util.Date;
  import java.util.Optional;
  
  /**
   * Business object for comment replies.
   */
  public final class EventCommentReply {
  
    /** comment reply identifier */
    private Optional<Long> id;
  
    /** The comment reply text */
    private String text;
  
    /** The creation date */
    private Date creationDate;
  
    /** The modification date */
    private Date modificationDate;
  
    /** The comment reply author */
    private User author;
  
    /**
     * Creates a comment reply
     *
     * @param id
     *          the optional reply identifier
     * @param text
     *          the text
     * @param author
     *          the author of the comment reply
     * @throws IllegalArgumentException
     *           if some of the parameters aren't set
     */
    public static EventCommentReply create(Optional<Long> id, String text, User author) {
      Date creationDate = new Date();
      return create(id, text, author, creationDate, creationDate);
    }
  
    /**
     * Creates a comment reply
     *
     * @param id
     *          the optional reply identifier
     * @param text
     *          the text
     * @param author
     *          the author of the comment reply
     * @param creationDate
     *          the creation date
     * @param modificationDate
     *          the modification date
     * @throws IllegalArgumentException
     *           if some of the parameters aren't set
     */
    public static EventCommentReply create(
        Optional<Long> id,
        String text,
        User author,
        Date creationDate,
        Date modificationDate
    ) {
      return new EventCommentReply(id, text, author, creationDate, modificationDate);
   }
 
   private EventCommentReply(Optional<Long> id, String text, User author, Date creationDate, Date modificationDate) {
     this.id = notNull(id, "id");
     this.text = notEmpty(text, "text");
     this.author = notNull(author, "author");
     this.creationDate = notNull(creationDate, "creationDate");
     this.modificationDate = notNull(modificationDate, "modificationDate");
   }
 
   /**
    * Returns the reply id
    *
    * @return the reply id
    */
   public Optional<Long> getId() {
     return id;
   }
 
   /**
    * Returns the reply text
    *
    * @return the reply text
    */
   public String getText() {
     return text;
   }
 
   /**
    * Returns the reply creation date
    *
    * @return the reply creation date
    */
   public Date getCreationDate() {
     return creationDate;
   }
 
   /**
    * Returns the reply modification date
    *
    * @return the reply modification date
    */
   public Date getModificationDate() {
     return modificationDate;
   }
 
   /**
    * Returns the reply author
    *
    * @return the reply author
    */
   public User getAuthor() {
     return author;
   }
 
   @Override
   public boolean equals(Object o) {
     if (this == o) {
       return true;
     }
     if (o == null || getClass() != o.getClass()) {
       return false;
     }
     EventCommentReply reply = (EventCommentReply) o;
     return text.equals(reply.getText()) && creationDate.equals(reply.getCreationDate())
             && modificationDate.equals(reply.getModificationDate()) && author.equals(reply.getAuthor());
   }
 
   @Override
   public int hashCode() {
     return EqualsUtil.hash(text, creationDate, modificationDate, author);
   }
 
   @Override
   public String toString() {
     return "Comment reply:" + id + "|" + StringUtils.abbreviate(text, 25);
   }
 
   public Obj toJson() {
     Obj authorObj = Jsons.obj(Jsons.p("name", author.getName()), Jsons.p("username", author.getUsername()),
             Jsons.p("email", author.getEmail()));
 
     Val idValue = Jsons.ZERO_VAL;
     if (id.isPresent()) {
       idValue = Jsons.v(id.get());
     }
 
     return Jsons.obj(Jsons.p("id", idValue), Jsons.p("text", text), Jsons.p("author", authorObj),
             Jsons.p("creationDate", DateTimeSupport.toUTC(creationDate.getTime())),
             Jsons.p("modificationDate", DateTimeSupport.toUTC(modificationDate.getTime())));
   }
 }