{js:
const fetch = require("node-fetch")
const fs = require("fs")

async function preview(args) {

  if (args.trim() == "") {
    console.log(
    "[nombre del tema]\n" +
    "-q  [int]    - bitrate (default 128)\n" +
    "-f  [string] - formato (default mp3)\n" +
    "-s  [float]  - velocidad (default 1.0)\n" +
    "-r  [float]  - volumen de reverb (default 0.0)\n" +
    "-rd [int]    - delay de reverb (default 500)\n" +
    "-b  [float]  - db+ de bass (default 0)\n" +
    "-p  [float]  - pitch (default = velocidad))\n"
    )
    return
  }

  const match = args.match(/^(.*?)(?:\s+-q\s+(\d*?))?(?:\s+-f\s+(\S*?))?(?:\s+-s\s+(\S*?))?(?:\s+-r\s+(\S*?))?(?:\s+-rd\s+(\d*?))?(?:\s+-b\s+(\S*?))?(?:\s+-p\s+(\S*?))?$/)
  const song = match[1] ?? ""
  const bitrate = match[2] ?? "128"
  const format = match[3] ?? "mp3"
  var speed = match[4] ?? "1"
  const reverbAmount = match[5] ?? "0"
  const reverbDelay = match[6] ?? "500"
  const bass = match[7] ?? "0"
  const pitch = match[8] ?? speed

  const res = await fetch(
    `https://api.deezer.com/search?q=${encodeURIComponent(song)}`
  );
  const data = await res.json()

  var version = []
  if (speed != "1") {
    version.push(parseFloat(speed) > 1 ? "NIGHTCORE" : "SLOWED")
  }
  if (reverbAmount != "0") {
    version.push("REVERB")
    discord.variables.reverb = `,aecho=0.8:0.9:${reverbDelay}:${reverbAmount}`
  }
  if (bass != "0") {
    discord.variables.bass = `,bass=g=${bass}`
    version.push("BASSBOST")
  }
  if (pitch != speed) {
    discord.variables.pitch = `${pitch},aresample=44100`
    speed = parseFloat(speed) * 1 / Math.pow(2, parseFloat(pitch) - 1)
    version.push("PITCHED")
  } else {
    discord.variables.pitch = speed
  }

  versionTag = version.length > 0 ? `[${version.join(" ")}] ` : ""


  const track = data.data[0];
  const title = track.title.replaceAll("/","_")
  const artist = track.artist.name.replaceAll("/","_")
  const url = `https://theanx-deezer-ai.hf.space/deezer?song=${track.id}&quality=flac`
  const path = `/home/notsocoder/output/${versionTag}${title} - ${artist}.${format}`

  discord.variables.url = url
  discord.variables.path = path
  discord.variables.speed = speed
  discord.variables.bitrate = bitrate
}

preview("{args}")
}

{if:{argslen}|>|0|then:{sh:curl -L "{get:url}" -o "input.flac" && ffmpeg -loglevel error -i "input.flac" -b:a {get:bitrate}k -filter:a "asetrate=44100*{get:pitch},atempo={get:speed}{get:reverb}{get:bass}" -vn "{get:path}"}}