// @link WebViewerInstance: https://www.pdftron.com/api/web/WebViewerInstance.html
// @link UI.loadDocument: https://www.pdftron.com/api/web/UI.html#loadDocument__anchor

WebViewer(
  {
    path: '../../../lib',
    initialDoc: 'https://pdftron.s3.amazonaws.com/downloads/pl/demo-annotated.pdf',
  },
  document.getElementById('viewer')
).then(instance => {
  samplesSetup(instance);

  const { documentViewer, annotationManager, TextExtractorProcessingFlags } = instance.Core;
  documentViewer.addEventListener('documentLoaded', () => {
      console.log('zorder');
      documentViewer.getDocument().setTextExtractorProcessingFlags([TextExtractorProcessingFlags.EXTRACT_USING_ZORDER]);
      documentViewer.getDocument().refreshTextData();
    });

  document.getElementById('select').onchange = e => {
    instance.UI.loadDocument(e.target.value);
  };

  document.getElementById('file-picker').onchange = e => {
    const file = e.target.files[0];
    if (file) {
      instance.UI.loadDocument(file);
    }
  };

  document.getElementById('url-form').onsubmit = e => {
    e.preventDefault();
    instance.UI.loadDocument(document.getElementById('url').value);
  };
});