nix-configs/other/scripts/networkhooks/ccchh.nu

const wave_timeout = 15min;

def main [
  interface: string
  type: string
] {
  if not ('/var/lib/ccchh-winken/last' | path exists) {
    mkdir '/var/lib/ccchh-winken';
    0 | into datetime | save '/var/lib/ccchh-winken/last' -f;
  } 

  let $last_waved = open '/var/lib/ccchh-winken/last' --raw | into datetime;

  if ((date now) - $last_waved) > $wave_timeout {
    if $type == "up" {
      mullvad disconnect;
      curl mqtt://mqtt.z9/winkekatze/katz9/eye/set -d (rand-color);
      curl mqtt://mqtt.z9/winkekatze/Viktoria/eye/set -d (rand-color);
      curl mqtt://mqtt.z9/winkekatze/allcats -d 'wink';
      mullvad connect;

      date now | save '/var/lib/ccchh-winken/last' -f;
    }
  }
}

def rand-color [] {
  const colors = [ 
      "blue"
      "cyan"
      "green"
      "pink"
      "red"
      "white"
      "yellow"
  ];

  $colors | get (random integer 0..(($colors | length) - 1))
}