import {
  callHandler,
  support
} from 'nejsbridge/dist/bridge.lofter.es.js';

let nowTitle = document.title;

export function setPageTitle (title: string) {
  nowTitle = title;
  document.title = nowTitle;
  setTimeout(() => {
    updatePageTitle()
  }, 0)
}

function updatePageTitle (resolve?: any) {
  document.title = nowTitle;
  if (support('njb_setPageTitle')) {
    callHandler('njb_setPageTitle', {
      title: nowTitle
    });
  } else {
    const iframe = document.createElement('iframe');
    iframe.style.display = 'none';
    iframe.onload = () => {
      setTimeout(() => {
        iframe.remove();
        resolve && resolve();
      }, 0);
    }
    iframe.onerror = () => {
      setTimeout(() => {
        iframe.remove();
        resolve && resolve();
      }, 0);
    }
    iframe.src = '/favicon.ico';
    document.body.appendChild(iframe);
  }
}