'use strict'

const fetch = require('node-fetch')
const xml2js = require('xml2js').parseString
const _ = require('lodash')

const key = 'jRzwDtxiBV3vt6OQfQ'

module.exports = {
  search () {
    return fetch(`https://www.goodreads.com/search.xml?key=${key}&q=Ender%27s+Game`)
      .then((res) => res.text())
      .then((text) => {
        return new Promise((resolve, reject) => {
          xml2js(text, (err, json) => {
            if (err) {
              return reject(err)
            }

            // because of xml > json we get a weird data structure. fix
            let results = json.GoodreadsResponse.search[0].results[0].work

            // more fixing of the data structure
            results = results.map((result) => _.mapValues(result, (value, key) => value[0]))

            resolve(results)
          })
        })
      })
      .catch((err) => console.error(err))
  },
}