brain-games-mserov/dist/games/brain-balance.js

[](https://codeclimate.com/github/mserov/project-lvl1-s192/maintainability) [](http

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _hexletPairs = require('hexlet-pairs');

var _ = require('..');

var _2 = _interopRequireDefault(_);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

var game = function game() {
  var rules = 'Balance the given number.';

  var generateQuestionAnswer = function generateQuestionAnswer() {
    var balance = function balance(num) {
      var digits = String(num).split('');
      var max = Math.max.apply(Math, _toConsumableArray(digits));
      var min = Math.min.apply(Math, _toConsumableArray(digits));

      if (max - min <= 1) {
        var digitsRes = digits.sort(function (num1, num2) {
          return num1 - num2;
        }).join('');

        return digitsRes;
      }

      var indOfMax = digits.indexOf(String(max));
      var indOfMin = digits.indexOf(String(min));
      digits[indOfMax] = max - 1;
      digits[indOfMin] = min + 1;

      var digitsNew = digits.join('');

      return balance(Number(digitsNew));
    };

    var maxNum = 10000;

    var num = Math.floor(Math.random() * maxNum);

    var question = '' + num;
    var correctAnswer = String(balance(num));

    return (0, _hexletPairs.cons)(question, correctAnswer);
  };

  (0, _2.default)(rules, generateQuestionAnswer);
};

exports.default = game;
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