module.exports = Ferdi => {
  const getMessages = () => {
    let count = 0;
    const elements = document.querySelectorAll('.chatlist > li:not(.is-muted)');
    if (elements) {
      for (let i = 0; i < elements.length; i += 1) {
        if (elements[i].querySelector('.unread') && elements[i].querySelector('.unread').innerHTML !== 0) {
          count += Ferdi.safeParseInt(elements[i].querySelector('.unread').innerHTML);
        }
      }
    }
    Ferdi.setBadge(count);
  };

  Ferdi.loop(getMessages);
};