package com.javasm.exerices02;

import java.util.ArrayList;

import java.util.List;

import java.util.Random;

import java.util.Scanner;

/**

 *

 *TODO 石头剪刀布猜拳游戏，三局两胜

 * @author caolei 2018年5月2日下午10:51:23

 * RockPaperScissors

 */

public class RockPaperScissors {

	// 用于存放猜拳结果

	private static List<String> gameResult;

	public static void crGuessingGame(Scanner sc) {

		gameResult = new ArrayList<String>();

		// 存储结果集

		char[] finger = { '锤', '剪', '包' };

		// 用于接收每一次的猜拳结果

		String result;

		// 用于计算机猜拳

		Random random = new Random();

		// 记录计算机获胜次数

		int computerWinNumber = 0;

		// 计算玩家获胜次数

		int playerWinNumber = 0;

		// 记录猜拳第几轮

		int i = 0;

		// 循环出拳

		while (true) {

			System.out.println("第" + (i + 1) + "轮，请出拳：");

			// 计算机生成的随机数

			int computerGet = random.nextInt(3);

			// 用户输入的数

			int playerInput = sc.nextInt();

			// 记录猜拳结果

			result = finger[computerGet] + "," + finger[playerInput];

			// 将结果放入集合中

			gameResult.add(result);

			/*

			 * 第一种通过if判断结果

			 *

			 * if (computerGet == 0 && playerInput != 0) {

			 * 		if (playerInput == 1)

			 * 			computerWinNumber++;

			 * 		playerWinNumber++;

			 *

			 * } else if (computerGet == 1 && playerInput != 1) {

			 * 		if (playerInput == 2)

			 * 			computerWinNumber++;

			 * 		playerWinNumber++;

			 * 		} else if (computerGet == 2 && playerInput != 2) {

			 * 					if (playerInput == 0)

			 * 						computerWinNumber++;

			 * 					playerWinNumber++;

			 * }

			 */

			/**

			 * 第二种通过switch判断结果

			 */

			switch (computerGet) {

			case 0:

				if (playerInput == 1)

					computerWinNumber++;

				if (playerInput == 2)

					playerWinNumber++;

				break;

			case 1:

				if (playerInput == 2)

					computerWinNumber++;

				if (playerInput == 0)

					playerWinNumber++;

				break;

			case 2:

				if (playerInput == 0)

					computerWinNumber++;

				if (playerInput == 1)

					playerWinNumber++;

				break;

			default:

				break;

			}

			// 记录游戏轮数

			i++;

			// 判断是否有人取得胜利

			if (computerWinNumber == 2 || playerWinNumber == 2) {

				break;

			}

		}

		// 判断获胜者

		if (computerWinNumber > playerWinNumber) {

			System.out.println("电脑获胜！");

		} else {

			System.out.println("恭喜你获胜！");

		}

		// 输出猜拳结果

		System.out.println("具体结果如下：");

		System.out.println("电脑，你");

		for (String results : gameResult) {

			System.out.println("{ " + results + " }");

		}

	}

}