var Promise = require('promise');
var BasePlugin = require('./base.js');
var logger = require('winston');

class Twitter extends BasePlugin {
  constructor(config) {
    super(config);
    this.name = 'Twitter';
    this.config = config;
  } 

  test(input) {
    // Kernel version
    var res = null;
    if (res = input.match(/http(s)?:\/\/(www\.)?((twitter\.com\/([a-zA-Z0-9_-]*)\/status\/([a-zA-Z0-9_-]*)))/)) {
      return true;
    }
    return false;

  }

  getTweet(statusId) {
    var Twitter = require('twitter');
    var client = new Twitter({
      consumer_key: this.config.keys.twitter.consumerKey,
      consumer_secret: this.config.keys.twitter.consumerSecret,
      access_token_key: '',
      access_token_secret: ''
    });
    var promise = new Promise(function(resolve, reject) {
      client.get('statuses/show/' + statusId, function(error, tweet, response) {
        if(!error) {
          var user = tweet.user.screen_name;
          var time = tweet.created_at;
          var dateTime = new Date(time);
          var dateTimeLocale = dateTime.toLocaleDateString('fi-FI') + ' ' + dateTime.getHours() + '.' + dateTime.getMinutes();
          var str = '@' + user + ': "' + tweet.text + '" ('+ dateTimeLocale +')';
          str = str.replace(/(?:\r\n|\r|\n)/g, ' ');
          
          resolve(str);
        } else {
          reject();
        }
      });

    });
    return promise;
  }

  result(input) {
	var that = this;
    var resultPromise = new Promise(function(resultResolve, resultReject) {
      var res = null;
      if (res = input.match(/http(s)?:\/\/(www\.)?((twitter\.com\/([a-zA-Z0-9_-]*)\/status\/([a-zA-Z0-9_-]*)))/)) {
        var status = res[6];
        that.getTweet(status).then(function(tweet) {
          resultResolve('Twiitti: ' + tweet);
        }, function(error) {
          resultReject('Twiitti: Jokin virhe tapahtui');
        });
      } else {
        resultReject('Twiitti: Jokin virhe tapahtui');
      }
    });
    return resultPromise;
  }
}

module.exports = Twitter;