const AudioContext = window.AudioContext || window.webkitAudioContext

const audioContext = new AudioContext()

const soundNames = ['game-over', 'jump', 'level-up']

const soundBuffers = {}

let SOUNDS_LOADED = false

let muted = localStorage.getItem('dino-muted') === 'true'

loadSounds().catch(console.error)

export function playSound(name) {

  if (SOUNDS_LOADED && !muted) {

    audioContext.resume()

    playBuffer(soundBuffers[name])

  }

}

export function isMuted() {

  return muted

}

export function toggleMute() {

  muted = !muted

  localStorage.setItem('dino-muted', muted)

  return muted

}

async function loadSounds() {

  await Promise.all(

    soundNames.map(async (soundName) => {

      soundBuffers[soundName] = await loadBuffer(`/assets/${soundName}.mp3`)

    })

  )

  SOUNDS_LOADED = true

}

async function loadBuffer(filepath) {

  const response = await fetch(filepath)

  const arrayBuffer = await response.arrayBuffer()

  return audioContext.decodeAudioData(arrayBuffer)

}

function playBuffer(buffer) {

  const source = audioContext.createBufferSource()

  source.buffer = buffer

  source.connect(audioContext.destination)

  source.start()

}