import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;

public class CompareStudentScores { 
    public static String[] studentNames = {
        "AdamBlank", "BarbaraHarris", "ChrisHill", 
        "JessicaHernandez", "TeresaHall",
    };
    public static void main(String[] args) throws FileNotFoundException {
        // java compares strings by...
        List<MCQuiz> quizzes = createQuizzes(3);
        // First, let's get a sorted list of the quizzes
        Collections.sort(quizzes);
        for (MCQuiz quiz : quizzes) {
            System.out.println(quiz);
        }
        
        /* Collect the quizzes for a particular student 
         * together, and display all of the students
         * AdamBlank: [quiz0: 1/11, quiz1: 2/11]
         * BarbaraHarris: [quiz0: 3/11, quiz1: 3/11]
         * ...
         * You might need getStudent()
         * quizzes is a List
         */
        Map<String, Set<MCQuiz>> studentToQuizzes =
                new TreeMap<>();
        
        for (MCQuiz quiz : quizzes) {
            String name = quiz.getStudent();
            
            if (!studentToQuizzes.containsKey(name)) {
                studentToQuizzes.put(name, new TreeSet<MCQuiz>());
            }
            
            studentToQuizzes.get(name).add(quiz);
        }
        
        for (String student : studentToQuizzes.keySet()) {
            System.out.println(student + ": " + studentToQuizzes.get(student));
        }
    }
    
    public static List<MCQuiz> createQuizzes(int numberOfQuizzes) throws FileNotFoundException {
        List<MCQuiz> quizzes = new ArrayList<MCQuiz>();
        // Create all the quizzes
        for (int i = 0; i < numberOfQuizzes; i++) {
            for (String student : studentNames) {
                quizzes.add(new MCQuiz("quizzes/quiz" + i + "/" + student));
            }
        }
        
        return quizzes;
    }
}