/*
 * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
 * Date: 2022-04-18
 * Description: This is the ManyCourses class.
 */

import java.util.ArrayList;

public class ManyCourses {
	private ArrayList<Learnable> courses;

	/**
	 * Constructor.
	 */
	public ManyCourses() {
		courses = new ArrayList<Learnable>();
	}

	/**
	 * Add a course to the list.
	 *
	 * @param course
	 */
	public void addCourse(Learnable c) {
		courses.add(c);
	}

	/**
	 * Prints on the screen the course code and title.
	 */
	public void listCourses() {
		for (Learnable c : courses) {
			System.out.println(
					String.format("%s, %s", c.getCode(), c.getTitle()));
		}
	}

	/**
	 * Test.
	 */
	public static void testManyCourses() {
		Base b = new Base("DS1001", "EntryCourse");
		MajorRequired mr1 = new MajorRequired("DS200X", "OOP", b);
		MajorElective me1 = new MajorElective("DS300X", "Data Mining", mr1);
		ManyCourses mc = new ManyCourses();
		mc.addCourse(b);
		mc.addCourse(mr1);
		mc.addCourse(me1);
		mc.listCourses();
	}
}