十六进制记忆训练shell交互小程序游戏

const readline = require('readline');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});
const colors = {
    reset: '\x1b[0m',
    red: '\x1b[31m',
    green: '\x1b[32m',
    yellow: '\x1b[33m',
    blue: '\x1b[34m',
    magenta: '\x1b[35m',
    cyan: '\x1b[36m',
  };

// 统计结果
   let correctly =0;
   let mistakes=0
   let passRate='0%'
   let start=new Date()
// 0-15 随机生成一个二进制
let randomNum = Math.floor(Math.random() * 15)

function rlClose(){
    if(!mistakes==0&&!correctly==0){
        passRate=(correctly/(mistakes+correctly)*100).toFixed()+ '%'
    }
    console.log(colors.yellow+'恭喜你！完成测试！测试结果如下：');
    console.log(colors.green+'正确：'+correctly);
    console.log(colors.green+'错误：'+mistakes);
    console.log(colors.green+'通过率：'+passRate);
    const timeDifference = new Date() - start;
    let minutesDifference =0;
    const isSecond=timeDifference<=1000 * 60
    // 转换为分钟
    if(isSecond){
        minutesDifference = timeDifference / (1000);
    }else{
        minutesDifference = (timeDifference / (1000 * 60)).toFixed(3);

    }
    console.log(colors.green+'总用时：'+minutesDifference+(isSecond?'秒':'分钟'));
    // 关闭readline接口
    rl.close();
}

// 交互式输入
function interactiveShell(pass) {
    if(pass){
        randomNum = Math.floor(Math.random() * 15)
    }
    let msg=colors.blue+"请输入"+randomNum.toString(2)+"的16进制:"
    rl.on('SIGINT', function() {
        // 用户按下了 Ctrl + C 中断程序
        rlClose()
      });
    rl.question(msg, (userInput) => {
    if (userInput === 'exit') {
        rlClose()
        return;
    }
    if(userInput.toLocaleLowerCase()==randomNum.toString(15)){
        console.log(colors.green+'真棒!你输入答案是正确的，答案是', userInput);
        interactiveShell(true);
        correctly++
    }else{
        console.log(colors.red+'很遗憾！这不是正确答案：你输入是：', userInput);
        interactiveShell();
        mistakes++
    }

  });
}

interactiveShell();