import { getStore } from '@netlify/blobs'

const emojiMap = (genre, artist) => {
  const DEFAULT = "🎧"
  const normalizedArtist = artist?.toLowerCase()
  if (normalizedArtist === "afi") return "⛵️🌅"
  if (normalizedArtist === "agalloch") return "🏔️"
  if (normalizedArtist === "augury") return "☄️"
  if (normalizedArtist === "autopsy") return "🧟"
  if (normalizedArtist === "balance and composure") return "🪂"
  if (normalizedArtist === "bedsore") return "🛏️"
  if (normalizedArtist === "birds in row") return "🦅🦉🦢"
  if (normalizedArtist === "black flag") return "🏴"
  if (normalizedArtist === "blink-182") return "😵"
  if (normalizedArtist === "blood incantation") return "👽"
  if (normalizedArtist === "bolt thrower") return "⚔️"
  if (normalizedArtist === "bruce springsteen") return "🇺🇸"
  if (normalizedArtist === "carcass") return "🥼"
  if (normalizedArtist === "counting crows") return "🐦‍⬛"
  if (normalizedArtist === "david bowie") return "👨🏻‍🎤"
  if (normalizedArtist === "cevoid of thought") return "🚫💭"
  if (normalizedArtist === "drug church") return "💊⛪️"
  if (normalizedArtist === "fleshwater") return "🐤"
  if (normalizedArtist === "full of hell & nothing") return "🫨🎸"
  if (normalizedArtist === "imperial triumphant") return "🎭"
  if (normalizedArtist === "mastodon") return "🐋"
  if (normalizedArtist === "minor threat") return "👨🏻‍🦲"
  if (normalizedArtist === "nomeansno") return "🐵🐮🚬"
  if (normalizedArtist === "nothing") return "🏳️"
  if (normalizedArtist === "panopticon") return "🪕🪦"
  if (normalizedArtist === "radiohead") return "📻"
  if (normalizedArtist === "taylor swift") return "👸🏼"
  if (normalizedArtist === "the mars volta") return "💡😮"
  if (normalizedArtist === "thrice") return "👨‍🎨🚑"
  if (normalizedArtist === "tom waits") return "🤹🏻"
  if (normalizedArtist === "webbed wing") return "🤡"

  // early return for bad input
  if (!genre) return DEFAULT

  if (genre.includes("death metal") || genre.includes("death-doom")) return "💀"
  if (genre.includes("black metal") || genre.includes("blackgaze")) 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") ||
    genre.includes("songwriter")
  )
    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("ambient")) return "🤫"
  if (
    genre.includes("alternative") ||
    genre.includes("rock") ||
    genre.includes("shoegaze") ||
    genre.includes("screamo") ||
    genre.includes("grunge")
  )
    return "🎸"
  return DEFAULT
}

export default async () => {
  const TV_KEY = Netlify.env.get("API_KEY_TRAKT")
  const scrobbles = getStore('scrobbles')
  const headers = {
    "Content-Type": "application/json",
    "Cache-Control": "public, s-maxage=360, stale-while-revalidate=1080",
  }
  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.status === 204) return {}
      if (data.ok) return data?.json()
      throw new Error('Something went wrong with the Trakt endpoint.')
    })
    .catch(err => {
      console.log(err)
      return {}
    })

  if (Object.keys(traktRes).length) {
    if (traktRes["type"] === "episode") {
      return new Response(JSON.stringify({
          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>`,
        }),
        { headers }
      )
    }

    if (traktRes["type"] === "movie") {
      return new Response(JSON.stringify({
          content: `🎥 <a href="https://trakt.tv/movies/${traktRes["movie"]["ids"]["slug"]}">${traktRes["movie"]["title"]}</a>`,
        }),
        { headers }
      )
    }
  }
  const scrobbleData = await scrobbles.get('now-playing', { type: 'json'})

  if (!scrobbleData) return new Response(JSON.stringify({}, { headers }))

  return new Response(JSON.stringify({
      content: `${emojiMap(
        scrobbleData['genre'],
        scrobbleData['artist']
      )} ${scrobbleData['track']} by <a href="${scrobbleData['url']}">${
        scrobbleData['artist']
      }</a>`,
    }),
    { headers }
  )
}

export const config = {
  cache: "manual",
  path: "/api/now-playing"
}