Comment.java

import java.util.ArrayList;
import java.util.UUID;
import java.time.LocalDateTime;

/**
 * @author Cam Osterholt & SB
 * @version v1.0
 * Date: 10/10/2023
 */
public class Comment {
    private UUID id;
    private String comment;
    private User author;
    private LocalDateTime time;
    private ArrayList<Comment> comments;
    /**
     * Construct a new comment with the given content and sets the author
     * @param comment The content of the comments
     */
    public Comment(String comment) {
        editComment(comment);
        setID(UUID.randomUUID());
        init();
    }
    /**
     * Add reply to comment with an Author in mind and reply text.
     * @param comment: the author text content
     */
    public void reply(String comment) { 
        if(comment != null) {
            Comment reply = new Comment(comment);
            comments.add(reply);
        }
    }


    private void init() {
        time = LocalDateTime.now();
        comments = new ArrayList<Comment>();
        setAuthor(AppFacade.getInstance().getActiveUser());
    }
    /**
     * get unique ID of the comment
     * @return returns unique of the comment
     */
    public UUID getID() {
        return this.id;
    }
    
    private boolean setID(UUID id) {
        if(id == null)
            return false;
        this.id = id;
        return true;
    }
    /**
     * Get the time/date when comment was created
     * @return show the time/date of the comment
     */
    public LocalDateTime getTime() {
        return time;
    }
    /**
     * Set the time/date for the comment
     * @param time time/date for the comment
     */
    public void setTime(LocalDateTime time) {
        this.time = time;
    }
    /**
     * Get the txt content of the comment
     * @return the text content of the comment
     */
    public String getComment() {
        return comment;
    }
    /**
     * edit the comment and update the time/date
     * @param comment comment The updated comment content
     */
    public void editComment(String comment) {
        if(comment != null) {
            this.comment = comment;
            this.time = LocalDateTime.now();
        }
    }
    /**
     * Get the author comment
     * @return author of the comment
     */
    public User getAuthor() {
        return author;
    }
    /**
     * Set Author's comment
     * @param author new auhtor's comment
     * @return true if the author is successful, false if the author is invalid
     */
    public boolean setAuthor(User author) {
        if(author != null) {
            this.author = author;
            return true;
        }
        else {
            System.out.println("Invalid Author.");
            return false;
        }
    }
    /**
     * Get list of comments replying to this comment.
     * @return list of reply comments.
     */
    public ArrayList<Comment> getComments() {
        return comments;
    }
    /**
     * Delete a comment with the specified ID
     * @param id The ID of the comment to be deleted
     * @return true if a comment with the specified ID was found and deleted. 
     */

    public boolean deleteComment(UUID id) {
        for(Comment comment : this.comments) {
            if(comment.getID().equals(id)) {
                comments.remove(comment);
                return true;
            }
            if(comment.deleteComment(id)) 
                return true;
        }
        return false;
    }
    /**
     * get a string representation of the comment, including its content and sub-comments.
     * @return A string representation of the comment
     */
    public String toString(){
        String toReturn = "\n Comment: " + comment;
        toReturn += "\n Author: " + this.author;
        if(comments!=null)
        toReturn += "\n Sub-Comments: " + comments.toString();
        return toReturn;
    }
}