/*
 * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
 * Date: 2022/03/27
 * Description: This is the class for the many shapes.
 */

import java.util.ArrayList;

public class ManyShapes {
	private ArrayList<Shape> allShapes;

	/**
	 * Constructor
	 */
	public ManyShapes() {
		this.allShapes = new ArrayList<Shape>();
	}

	/**
	 * addShape method takes a shape as argument and adds it to the arraylist.
	 *
	 * @param s the shape to be added
	 */
	public void addShape(Shape s) {
		this.allShapes.add(s);
	}

	/**
	 * listAllShapes methods print out both the area and the type for each shape in
	 * the arraylist. For example, if the arraylist currently contains a Square
	 * object of size 5 and a Dot object the the listAllShapes method should print:
	 *
	 * Shape has area 25.0
	 *
	 * Shape has area 0.0
	 */
	public void listAllShapes() {
		for (Shape s : this.allShapes) {
			String type = "";
			if (s instanceof Square) {
				type = "Square";
			} else if (s instanceof Dot) {
				type = "Dot";
			} else if (s instanceof Circle) {
				type = "Circle";
			} else if (s instanceof Rectangle) {
				type = "Rectangle";
			} else if (s instanceof Shape) {
				type = "Shape";
			} else if (s instanceof Square) {
				type = "Square";
			}

			System.out.println(String.format("%s has area %f", type, s.area()));
		}
	}

	/**
	 * Test.
	 */
	public static void testManyShapes() {
		ManyShapes m = new ManyShapes();
		m.addShape(new Circle(1.2, 3.4, 4.0)); // Upcast from Circle to Shape.
		m.addShape(new Dot(1.2, 3.4)); // Upcast from Dot to Shape.
		m.addShape(new Rectangle(1.2, 3.4, 4.0, 5.0)); // Upcast from Rectangle to Shape.
		m.addShape(new Shape(1.2, 3.4));
		m.addShape(new Square(1.2, 3.4, 5.0)); // Upcast from Square to Shape.
		m.listAllShapes();
	}
}