'use strict';

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

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _Message2 = require('./Message');

var _Message3 = _interopRequireDefault(_Message2);

var _Keyboard = require('./Keyboard');

var _Keyboard2 = _interopRequireDefault(_Keyboard);

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

/**
 * Question class, extends Message
 * Sends a message, shows a keyboard with the answers provided, and validates
 * the answer
 */

var Question = function (_Message) {
  _inherits(Question, _Message);

  /**
   * Create a new question
   * @param  {object} options Options, same as Message, plus `answers` which
   *                          is a keyboard layout, see Keyboard#keys
   */

  function Question() {
    var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];

    _classCallCheck(this, Question);

    var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(Question).call(this, options));

    var kb = new _Keyboard2.default().force().oneTime().selective();
    _this.keyboard(kb);

    _this.answers(options.answers);
    return _this;
  }

  /**
   * Sets answers of the question. This is passed to Keyboard#keys, and then
   * used to validate the answer given
   * @param  {array} answers Array of arrays of strings, same as Keyboard#keys
   * @return {object} returns the question object
   */


  _createClass(Question, [{
    key: 'answers',
    value: function answers(_answers) {
      this._answers = _answers;
      this._keyboard.keys(_answers);
      return this;
    }

    /**
     * Sends the question (same as Message#send), and validates the answer given
     * if the answer is one of the defined answers, resolves, else rejects
     * You should not manually use this method unless you're extending this class
     * You should instead use bot.send(question);
     * @param  {object} bot
     * @return {promise} A promise which is resolved in case of valid answer, and
     *                     rejected in case of invalid answer
     */

  }, {
    key: 'send',
    value: function send(bot) {
      var _this2 = this;

      var answers = this._answers;

      return _get(Object.getPrototypeOf(Question.prototype), 'send', this).call(this, bot).then(function (message) {
        var answer = void 0;

        answers.forEach(function find(a) {
          if (Array.isArray(a)) {
            a.forEach(find);
          }
          if (a === message.text) {
            answer = a;
          }
        });

        if (answer) {
          _this2.emit('question:answer', answer, message);
          return message;
        } else {
          _this2.emit('question:invalid', message);
          throw message;
        }
      });
    }
  }]);

  return Question;
}(_Message3.default);

exports.default = Question;
module.exports = exports['default'];