const Spotify = require('node-spotify-api')
const chalk = require('chalk')
require('dotenv').config()
const { insertTrack } = require('./mpc-commands')

let request = ''
const handleSpam = require('./handleSpam')

const CLIENT_ID = process.env.CLIENT_ID
const CLIENT_SECRET = process.env.CLIENT_SECRET

const spotify = new Spotify({
  id: CLIENT_ID,
  secret: CLIENT_SECRET,
})

const parseTrackData = tracks => {
  const { items } = tracks
  //printTrackNames(items)
  const { album, artists, uri, name } = items[0]
  const artist = artists[0].name
  const albumName = album.name
  return { trackName: name, artistName: artist, albumName, uri }
}

const addToPlaylist = (nick, string) => {
  require('fs').appendFileSync(`playlists/${nick}`, string)
}

const searchTrack = event => {
  let pattern = /^!search ["“](.+?)["”]( artist ["“](.+?)["”])?/
  let match = event.message.match(pattern)
  if (!match)
    return event.reply(
      'Incorrect syntax. Use !search "track name" artist "artist name" (artist and artist name optional)'
    )

  let query = match[1]
  if (match[3]) query += ` artist:${match[3]}`
  //printQuery(query)
  spotify.search({ type: 'track', query }).then(data => {
    if (!data || !data.tracks) return event.reply('Something went wrong.')
    if (data.tracks.total === 0) return event.reply('No results.')
    const { trackName, artistName, albumName, uri } = parseTrackData(
      data.tracks
    )
    printTrackData(trackName, artistName, albumName, uri)
    event.reply(`'${trackName}' by ${artistName} on album ${albumName}`)
  })
}

const requestTrack = event => {
  if (event.message === request) return handleSpam(event)

  request = event.message
  let pattern = /^!request ["“](.+?)["”]( artist ["“](.+?)["”])?/
  let match = event.message.match(pattern)
  if (!match)
    return event.reply(
      'Incorrect syntax. Use !request "track name" artist "artist name" (artist and artist name optional)'
    )

  let query = match[1]
  if (match[3]) query += ` artist:${match[3]}`
  //printQuery(query)
  spotify.search({ type: 'track', query }).then(data => {
    if (!data || !data.tracks) return event.reply('Something went wrong.')
    if (data.tracks.total === 0) return event.reply('No results.')
    const { trackName, artistName, albumName, uri } = parseTrackData(
      data.tracks
    )
    printTrackData(trackName, artistName, albumName, uri)
    const { error } = insertTrack(uri)
    if (error) return event.reply('Something went wrong.')
    const request = `'${trackName}' by ${artistName}`
    addToPlaylist(event.nick, `${uri} # ${request}`)
    event.reply(`Requested ${request}`)
  })
}

// const printQuery = query => {
//   console.log(chalk.red('\n*******************************************\n'))
//   console.log('Sending the following query to Spotify:')
//   console.log(query)
//   console.log(chalk.red('\n*******************************************\n'))
// }
// const printTrackNames = items => {
//   console.log(chalk.yellow('\n*******************************************\n'))
//   console.log('Search returned the following tracks:')
//   items.map(i => console.log(`'${i.name}' by ${i.artists[0].name}`))
//   console.log(chalk.yellow('\n*******************************************\n'))
// }
const printTrackData = (name, artist, albumName, uri) => {
  console.log(chalk.blue('\n*******************************************\n'))
  console.log('name:', name)
  console.log('artist:', artist)
  console.log('album:', albumName)
  console.log('uri:', uri)
  console.log(chalk.blue('\n*******************************************\n'))
}

module.exports = { searchTrack, requestTrack }