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

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

  test (input) {
    if (input.match(/^\.vitsi$/i)) {
      return true
    }
    return false
  }

  getJoke () {
    var urlArgs = {}
    var url = 'https://icanhazdadjoke.com/'

    var promise = requestPromise(url, urlArgs, {
      'Accept': 'application/json'
    })

    return promise
  }

  result (input) {
    var that = this
    var resultPromise = new Promise(function (resolve, reject) {
      if (input.match(/^\.vitsi$/i)) {
        that.getJoke().then(function (data) {
          var text = 'Vitsi: '

          var joke = data.joke
          if (typeof joke === 'undefined' || joke === null) {
            reject(new Error('No joke!'))
          }

          text += '"' + joke + '"'

          resolve(text)
        }, function (error) {
          reject(error)
        })
      }
    })

    return resultPromise
  }
}

module.exports = Joke