const emojiMap = (genre, artist) => {
  const DEFAULT = '🎧'
  if (!genre) return DEFAULT // early return for bad input
  if (artist === 'David Bowie') return '👨🏻‍🎤'
  if (artist === 'Minor Threat') return '👨🏻‍🦲'
  if (artist === 'Bruce Springsteen') return '🇺🇸'
  if (genre.includes('death metal')) return '💀'
  if (genre.includes('black metal')) return '🪦'
  if (genre.includes('metal')) return '🤘'
  if (genre.includes('emo') || genre.includes('blues')) return '😢'
  if (genre.includes('grind') || genre.includes('powerviolence')) return '🫨'
  if (
    genre.includes('country') ||
    genre.includes('americana') ||
    genre.includes('bluegrass') ||
    genre.includes('folk')
  )
    return '🪕'
  if (genre.includes('post-punk')) return '😔'
  if (genre.includes('dance-punk')) return '🪩'
  if (genre.includes('punk') || genre.includes('hardcore')) return '✊'
  if (genre.includes('hip hop')) return '🎤'
  if (genre.includes('progressive') || genre.includes('experimental')) return '🤓'
  if (genre.includes('jazz')) return '🎺'
  if (genre.includes('psychedelic')) return '💊'
  if (genre.includes('dance') || genre.includes('electronic')) return '💻'
  if (
    genre.includes('alternative') ||
    genre.includes('rock') ||
    genre.includes('shoegaze') ||
    genre.includes('screamo')
  )
    return '🎸'
  return DEFAULT
}

export default async () => {
  // eslint-disable-next-line no-undef
  const TV_KEY = Netlify.env.get('API_KEY_TRAKT')
  // eslint-disable-next-line no-undef
  const MUSIC_KEY = Netlify.env.get('API_KEY_LASTFM')

  const traktRes = await fetch('https://api.trakt.tv/users/cdransf/watching', {
    headers: {
      'Content-Type': 'application/json',
      'trakt-api-version': 2,
      'trakt-api-key': TV_KEY,
    },
  })
    .then((data) => {
      if (data.body) return data.json()
      return {}
    })
    .catch()

  if (Object.keys(traktRes).length) {
    if (traktRes['type'] === 'episode') {
      return Response.json({
        content: `📺 <a href="https://trakt.tv/shows/${traktRes['show']['ids']['slug']}">${traktRes['show']['title']}</a> • <a href="https://trakt.tv/shows/${traktRes['show']['ids']['slug']}/seasons/${traktRes['episode']['season']}/episodes/${traktRes['episode']['number']}">${traktRes['episode']['title']}</a>`,
      })
    }

    if (traktRes['type'] === 'movie') {
      return Response.json({
        content: `🎥 <a href="https://trakt.tv/movies/${traktRes['movie']['ids']['slug']}">${traktRes['movie']['title']}</a>`,
      })
    }
  }

  const nbaRes = await fetch(
    'https://cdn.nba.com/static/json/liveData/scoreboard/todaysScoreboard_00.json'
  )
    .then((data) => data.json())
    .catch()
  const games = nbaRes?.scoreboard?.games

  if (games && games.length) {
    const isAmPm = (hours) => (hours >= 12 ? 'pm' : 'am')
    const game = games.find((game) => game.gameCode.includes('LAL'))
    if (game) {
      const startDate = new Date(game.gameTimeUTC)
      const startTime = startDate.toLocaleString('en-US', {
        timeZone: 'America/Los_Angeles',
      })
      const endDate = startDate.setHours(startDate.getHours() + 3)
      const endTime = new Date(endDate).toLocaleString('en-US', {
        timeZone: 'America/Los_Angeles',
      })
      const nowDate = new Date()
      const now = nowDate.toLocaleString('en-US', {
        timeZone: 'America/Los_Angeles',
      })
      const isCorrectDate =
        now.split(',')[0] === startTime.split(',')[0] &&
        now.split(',')[0] === endTime.split(',')[0] &&
        isAmPm(startDate.getHours()) === isAmPm(nowDate.getHours())
      const nowHour = parseInt(now.split(',')[1].split(':')[0].trim())
      const startHour = parseInt(startTime.split(',')[1].split(':')[0].trim())
      const endHour = parseInt(endTime.split(',')[1].split(':')[0].trim())
      const nowMinutes = parseInt(now.split(',')[1].split(':')[1].trim())
      const startMinutes = parseInt(startTime.split(',')[1].split(':')[1].trim())
      const endMinutes = parseInt(endTime.split(',')[1].split(':')[1].trim())
      const res = {
        content: `🏀 ${game['awayTeam']['teamName']} (${game['awayTeam']['wins']}-${game['awayTeam']['losses']}) @ ${game['homeTeam']['teamName']} (${game['homeTeam']['wins']}-${game['homeTeam']['losses']})`,
      }

      if (isCorrectDate) {
        if (nowHour === startHour && nowMinutes >= startMinutes && nowHour < endHour)
          return Response.json(res)
        if (nowHour > startHour && nowHour < endHour) return Response.json(res)
        if (nowHour > startHour && nowMinutes <= endMinutes && nowHour == endHour)
          return Response.json(res)
      }
    }
  }

  const trackUrl = `https://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks&user=coryd_&api_key=${MUSIC_KEY}&limit=1&format=json`
  const trackRes = await fetch(trackUrl, {
    type: 'json',
  }).catch()
  const trackData = await trackRes.json()
  const track = trackData['recenttracks']['track'][0]
  const mbid = track['artist']['mbid']
  let genre = ''

  if (mbid && mbid !== '') {
    const genreUrl = `https://musicbrainz.org/ws/2/artist/${mbid}?inc=aliases+genres&fmt=json`
    const genreRes = await fetch(genreUrl, {
      type: 'json',
    }).catch()
    const genreData = await genreRes.json()
    genre = genreData.genres.sort((a, b) => b.count - a.count)[0]?.['name'] || ''
  }

  return Response.json({
    content: `${emojiMap(genre, track['artist']['#text'])} <a href="${track['url']}">${
      track['name']
    } by ${track['artist']['#text']}</a>`,
  })
}

export const config = { path: '/api/now-playing' }