// Some quick scripting to select a random background on page load

const BACKGROUND_IMAGES = [
  "https://cdn.enp.one/img/backgrounds/cl-photo-allis.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-boston.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-denver.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-geese.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-hotel.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-lawrencedam.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-letchworth.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-library.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-lighthouse.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-mbta.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-rockyshore.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-rt112.jpg",
  "https://cdn.enp.one/img/backgrounds/cl-photo-startrek.jpg",
];


function selectBackground() {
  let max = BACKGROUND_IMAGES.length - 1
  let min = 0;
  index = Math.round(Math.random() * (max - min) + min);
  console.log("Loading background #" + index + ": " + BACKGROUND_IMAGES[index]);
  return BACKGROUND_IMAGES[index];
}


function setBackground() {
  document.getElementById(
    "background-image"
  ).style.backgroundImage = "url(" + selectBackground() + ")";
}