'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 _events = require('events');

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; }

var ANSWER_THRESHOLD = 10;

/**
 * Base class of all classes
 */

var Base = function (_EventEmitter) {
  _inherits(Base, _EventEmitter);

  function Base(method) {
    _classCallCheck(this, Base);

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

    _this.method = method;
    _this.properties = {};
    return _this;
  }

  /**
   * Sends the message, you should only use this method yourself if
   * you are extending this class. Normally you should call bot.send(message)
   *
   * Events: message:sent => Emitted after sending the message to API, gets the
   * 												  API's response
   *
   *			message:answer => Emitted when your message gets an answer from
   *				                 the contact (reply in case of groups)
   *				                 gets the Update object containing message
   *
   * @param  {object} bot
   * @return {promise} returns a promise, resolved with message:answer
   */


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

      if (this._keyboard) {
        var reply_markup = JSON.stringify(this._keyboard.getProperties());
        this.properties.reply_markup = reply_markup;
      }

      var messageId = void 0;
      return new Promise(function (resolve) {
        bot.api[_this2.method](_this2.properties).then(function (response) {
          messageId = response.result.message_id;
          _this2.emit('message:sent', response);
        });

        if (_this2._keyboard.one_time_keyboard) {
          _this2._keyboard.replyMarkup = '';
        }

        var chat = _this2.properties.chat_id;
        var answers = 0;
        bot.on('update', function listener(result) {
          answers += result.length;

          var update = result.find(function (_ref) {
            var message = _ref.message;

            // if in a group, there will be a reply to this message
            if (chat < 0) {
              return message.chat.id === chat && message.reply_to_message && message.reply_to_message.message_id === messageId;
            } else {
              return message.chat.id === chat;
            }
          });

          if (update) {
            resolve(update.message);

            this.emit('message:answer', update.message);

            bot.removeListener('update', listener);
          }

          if (answers >= ANSWER_THRESHOLD) {
            bot.removeListener('update', listener);
          }
        });
      });
    }

    /**
     * Returns properties of the object
     * @return {object} properties of object
     */

  }, {
    key: 'getProperties',
    value: function getProperties() {
      return this.properties;
    }

    /**
     * Set properties of the object
     * @param {object} object properties to set
     * @param {boolean} extend A boolean indicating if the properties should be
     *                         extended by the object provided (Object.assign)
     *                         or properties should be replaced by the object
     *                         defaults to true
     * @return {object} returns the properties (same as getProperties)
     */

  }, {
    key: 'setProperties',
    value: function setProperties(object) {
      var extend = arguments.length <= 1 || arguments[1] === undefined ? true : arguments[1];

      this.properties = extend ? Object.assign(this.properties, object) : object;

      return this.getProperties();
    }
  }]);

  return Base;
}(_events.EventEmitter);

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