/* eslint-env browser */

/* global i18n: false */


const OPTIMIZATION_MESSAGE_DISPLAY_THRESHOLD = 1000; // milliseconds

const setMessage = () => {
  const message = document.querySelector('.app-loading-screen .message');
  if (!message) {
    return () => {};
  }
  message.innerText = i18n('loading');

  const optimizingMessageTimeoutId = setTimeout(() => {
    const innerMessage = document.querySelector('.app-loading-screen .message');
    if (!innerMessage) {
      return;
    }
    innerMessage.innerText = i18n('optimizingApplication');
  }, OPTIMIZATION_MESSAGE_DISPLAY_THRESHOLD);

  return () => {
    clearTimeout(optimizingMessageTimeoutId);
  };
};

module.exports = {
  setMessage,
};