package cn.hfkh.oop.yichang;

import java.util.Scanner;

/**
 * 测试类，创建各种动物对象，输出动物的腿的条数
 */
public class Test {
	static Animal[] animals = new Animal[3];
	static Scanner input = new Scanner(System.in);
	static int choose;

	public static void start() {
		animals[0] = new Cat("加菲猫", 4);
		animals[1] = new Duck("唐小鸭", 2);
		animals[2] = new Dolphin("海豚奇奇");
		load();
		choose = input.nextInt();
	}

	public static void main(String[] args) {
		start();
		while (choose == 0) {
			try {
				modify();

			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				load();
				choose = input.nextInt();
			}
		}
		System.out.println("谢谢使用！");
	}

	public static void load() {
		System.out.println("动物名字\t\t腿的条数\t\t动物叫");
		for (int i = 0; i < animals.length; i++) {
			if (animals[i] instanceof Terrestrial) {
				String name = animals[i].getName();
				int legNum = ((Terrestrial) animals[i]).getLegNum();
				System.out.print(name + "\t\t" + legNum + "\t\t");
				animals[i].shout();
			} else {
				String name = animals[i].getName();
				System.out.print(name + "\t\t" + 0 + "\t\t");
				animals[i].shout();
			}
		}
		System.out.println("是否要继续修改数据：按0进行修改操作，其它任意数字键退出");
	}

	public static void modify() throws Exception {
		String[] names = new String[3];
		int[] number = new int[3];
		System.out.println("请输入猫的名称");
		names[0] = input.next();
		System.out.println("请输入猫腿的条数");
		number[0] = input.nextInt();
		if (number[0] != 4) {
			throw new Exception("猫只能有4条腿");
		}
		System.out.println("请输入鸭子的名称");
		names[1] = input.next();
		System.out.println("请输入鸭子腿的条数");
		number[1] = input.nextInt();
		if (number[1] != 2) {
			throw new Exception("鸭子只能有两条腿");
		}
		System.out.println("请输入海豚的名称");
		names[2] = input.next();
		animals[0] = new Cat(names[0], number[0]);
		animals[1] = new Duck(names[1], number[1]);
		animals[2] = new Dolphin(names[2]);
	}
}