Controller.java

package baseball;

import baseball.service.GameService;
import baseball.view.RequestInput;
import baseball.view.SystemMessage;
import camp.nextstep.edu.missionutils.Console;

    public class Controller {
        final int SIZE = 3;
        final int START_INCLUSIVE = 1;
        final int END_INCLUSIVE = 9;
        final int RETRY = 1;
        final int GAME_OVER = 2;

        GameService gameService = new GameService();

        public void run() throws IllegalArgumentException {
            setGame();
            startGame();
            endGame();
            askRetry();
        }

        private void setGame() {
            gameService.setGame(SIZE, START_INCLUSIVE, END_INCLUSIVE);
        }

        private void startGame() throws IllegalArgumentException {
            gameService.playGame();
        }

        private void endGame() {
            SystemMessage.printGameOverMessage();
        }

        /**
         * 유저입력이 (문자 or 0 or 3 이상)  : Exception
         * 유저입력이 (1)                  : 재시작
         * 유저입력이 (2)                  : 종료
         */
        private void askRetry() throws IllegalArgumentException {
            RequestInput.printRetryMessage();
            if (getInputNum() == RETRY) {
                run();
            }
        }

        private int getInputNum() throws IllegalArgumentException {
            int inputNum = Integer.parseInt(Console.readLine());

            if (inputNum == 0 || inputNum > GAME_OVER) {
                throw new IllegalArgumentException();
            }
            return inputNum;
        }
    }