async function copyTxt(txt) {
  try {
    if (navigator.clipboard) {
      await navigator.clipboard.writeText(txt);
    } else {
      // fallback cho trình duyệt không hỗ trợ Clipboard API
      const textarea = document.createElement('textarea');
      textarea.value = txt;
      document.body.appendChild(textarea);
      textarea.select();
      document.execCommand('copy');
      document.body.removeChild(textarea);
    }
    console.log('Copied to clipboard');
  } catch (err) {
    console.error('Copy failed', err);
  }
}

let _allQuestions = '';
const _allQuestionsMap = new Map();

$('app-client-question-oc').each(function(index) {
  const $question = $(this);
  const questionTitle = $question.find('.question-title').text().trim();
  
  let singleQuestion = `Câu hỏi ${index + 1}: ${questionTitle}`;
  $question.find('label').each(function() {
    const labelText = $(this).text().trim();
    singleQuestion += `\n${labelText}`;
  });
  
  _allQuestions += `\n\n${singleQuestion}`;
  _allQuestionsMap.set(`${index + 1}`, singleQuestion);
});

$('.question-bookmark-item').click(function() {
  const qIndex = $(this).text().trim();
  const textToCopy = _allQuestionsMap.get(qIndex);
  if (textToCopy) copyTxt(textToCopy);
});

function cpa() {
  copyTxt(_allQuestions);
}

$('.__notification').click(function() {
  cpa();
})