let code = document.getElementById('code')
let raw = []
let els = []

const SOURCES = [
  './assets/sources/index.css',
  './assets/sources/index.html',
  './assets/sources/index.js',
  './assets/sources/x-proto-dns.sh',
]

hljs.configure({
  languages: ['javascript', 'css', 'html', 'bash'],
  ignoreUnescapedHTML: true
})

let highlight = () => {
  document.querySelectorAll('pre').forEach(el => {
    hljs.highlightElement(el)
  })
}

let spawn = () => {
  els.forEach(el => {
    if (Math.random() < 0.3) el.remove()
  })

  let spawned = document.createElement('pre')
  let source = raw[Math.floor(Math.random() * raw.length)]
  let start = Math.floor(Math.random() * source.length)
  let length = 250
  let end = start + length
  let text = source.substring(start, end)
  spawned.innerText = text
  code.appendChild(spawned)

  let x = Math.random() * (window.innerWidth - 500)
  let y = Math.random() * (window.innerHeight - 400)
  spawned.style.left = x + 'px'
  spawned.style.top = (2 * y + 500) + 'px'
  spawned.style.width = '500px'
  spawned.style.height = '100px'
  spawned.style.textWrap = 'wrap'
  spawned.style.opacity = 0.5
  spawned.style.background = 'black'
  spawned.style.position = 'absolute'
  spawned.style.overflow = 'hidden'

  highlight()
  els.push(spawned)
  setTimeout(spawn, 100)
}

let init = async () => {
  for (let source of SOURCES) {
    let res1 = await fetch(source)
    let text1 = await res1.text()
    let formatted = text1.replace(/\n/g, '')
    raw.push(formatted);
  }
}

init().then(spawn)

let quakeInstructions = () => {
  alert(
    'Here are the steps to follow to join QuakeJS multiplayer (while at school):\n\n' +
      '1. Check your WiFi settings and connect to the "Gas Leak" network. If you don\'t see this network, there\'s probably no game to join.\n' +
      '2. The password to the "Gas Leak" network is "fish_tony" (disable any VPNs before connecting).\n' +
      '3. Navigate to http://192.168.50.123 on your browser (or close this dialog).\n' +
      '4. Click esc and configure settings (try SETUP > PLAYER to rename).\n' +
      '5. Leave arena and click MULTIPLAYER.\n' +
      '6. Click SPECIFY and type in 192.168.50.123 as the address.\n' +
      '7. Leave the port unchanged and join the game.\n' +
      '8. Use "t" to chat.\n\n' +
      'Happy fragging!'
  )
  window.location.href = 'http://192.168.50.123'
}