(function () {
  const TIMEOUT_MS = 5 * 60 * 1000;
  let timer;

  function reset() {
    clearTimeout(timer);
    timer = setTimeout(() => {
      window.location.href = '/video';
    }, TIMEOUT_MS);
  }

  ['mousemove', 'mousedown', 'keydown', 'touchstart', 'scroll', 'pointerdown']
    .forEach(evt => document.addEventListener(evt, reset, { passive: true }));

  reset(); // start the clock on page load
})();