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

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

  test (input) {
    // Kernel version
    if (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(new Error())
        }
      })
    })
    return promise
  }

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

module.exports = Twitter