class TextTweet{
    String contents;
    int likes;



    TextTweet(String contents, int likes){
        this.contents = contents;
        this.likes = likes;
    }
    boolean hasMention(String username){
        if (this.contents.contains("@" + username + " ")){
            return true;
        }
        else if (this.contents.indexOf("@", this.contents.indexOf(" "))!= -1){
            return (this.contents.substring(this.contents.indexOf("@", this.contents.indexOf(" "))).equals("@" + username));
                // I received help from Carlos Gomez during lecture for this method on 2/10/23
        
        }
        else {
            return false;
        }

    }
    boolean hasLike(){
        return (this.likes >= 1);
    }
    String firstMention() {
        int aI = contents.indexOf("@");
        if (aI == -1) {
            return "";
        }
        int sI = contents.indexOf(" ", aI);
        if (sI == -1) {
            return "";
        }
        else{
        return contents.substring(aI + 1, sI);
    }
}
    int Likes(){
        return likes;
    }
    String Contents(){
        return contents;
    }
}


class ReplyTweet{
TextTweet ReplyTo;
String contents;
int likes;

ReplyTweet(TextTweet ReplyTo, String contents, int likes){
    this.ReplyTo = ReplyTo;
    this.contents = contents;
    this.likes = likes;
}
boolean MorePopularReply(){
    return (this.likes > ReplyTo.Likes());
}
int allLikes(){
    return this.likes + ReplyTo.Likes();
}
boolean hasMention(String username){
    if (this.contents.contains("@" + username + " ")){
        return true;
    }
    if (this.ReplyTo.Contents().contains("@" + username + " ")){
        return true;
    }
    if (this.contents.indexOf("@", this.contents.indexOf(" "))!= -1) {
        return (this.contents.substring(this.contents.indexOf("@", this.contents.indexOf(" "))).equals("@" + username)) || (this.ReplyTo.Contents().substring(this.ReplyTo.Contents().indexOf("@", this.ReplyTo.Contents().indexOf(" "))).equals("@" + username));   
 }
    else {
        return false;
    }
    }
}
class Drill3{
    TextTweet tweet1 = new TextTweet("hello world my name is @dummy1", 0);
    TextTweet tweet2 = new TextTweet("hello world my name is @dummy 3", 85);
    ReplyTweet tweet3 = new ReplyTweet(tweet1, "goodbye world I will see @dummy1 again", 99);
    ReplyTweet tweet4 = new ReplyTweet(tweet2, "goodbye cruel world. I hope I never see dummy again", 82);
    boolean ex1 = this.tweet1.hasMention("dummy"); // expected: false
    boolean ex2 = this.tweet2.hasMention("dummy"); // expected: true
    boolean ex3 = this.tweet1.hasLike(); // expected: false
    boolean ex4 = this.tweet2.hasLike(); // expected: true
    String ex5 = this.tweet2.firstMention(); //expected: dummy
    boolean ex6 = this.tweet3.hasMention("dummy"); //expected false
    boolean ex7 = this.tweet4.MorePopularReply(); //expected false