package ee.ttu.algoritmid.scoreboard;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;

public class ScoreBoard {
    /**
     * Adds a participant's time to the checkpoint scoreboard
     *
     */

    ArrayList<Participant> participants;

    public void add(Participant participant) {
        participants.add(participant);
    }

    /**
     * Returns top n number of participants in the checkpoint to be displayed on the scoreboard
     * This method will be queried by the tests every time a new participant is added
     */
    public List<Participant> get(int n) {

        participants.sort(Comparator.comparing(Participant::getTime));

        ArrayList<Participant> topN = new ArrayList<>();

        for (int i = 0; i < n; i++) {
            topN.add(participants.get(i));
        }
        return topN;
    }
}