package class9_Lab_Command_start;

import java.util.Scanner;

public class ClassDriver {
    public static void main(String[] args) {
        Schedule schedule = new Schedule();

        schedule.add(new Course("SE2811", 1, 10, 41.5));
        schedule.add(new Course("CS2910", 2, 12, 23));
        schedule.add(new Course("SE2030", 3, 11, 30.5));
        schedule.add(new Course("HU255", 4, 11, 32.5));

        Scanner in = new Scanner(System.in);
        int index = promptForIndex(in, schedule);
        while (index != -1) {
            if (index != -2) {
                //TODO: Support undo/redo
                schedule.remove(index);
            } else {
                //TODO: Support undo/redo
            }
            index = promptForIndex(in, schedule);
        }
    }

    protected static int promptForIndex(Scanner in, Schedule list) {
        list.printAll();
        System.out.println("Please enter the index of the course you would like to remove. (-1 to" +
                " exit, -2 to undo)");
        return in.nextInt();
    }
}