<script> 
async function copyToReply(c) {
  let text = c.innerText || c.textContent;
  let textareaMess = document.querySelector("#main-reply");

  if (textareaMess) {
    textareaMess.value += (textareaMess.value ? "\n\n" : "") + text;
    textareaMess.focus();
    textareaMess.selectionStart = textareaMess.selectionEnd = textareaMess.value.length;

    setTimeout(() => {
      textareaMess.scrollIntoView({ behavior: "smooth", block: "center" });
    }, 100);
  }
}

function initCopyToReplyButtons() {
  $(".code-box .legend").each(function () {
    let $legend = $(this);

    if ($legend.find(".copy-to-reply-button").length === 0) {
      let button = $('<a href="javascript://" class="copy-to-reply-button">Скопировать в форму ответа</a>');
      $legend.append(" | ").append(button);
    }
  });
}

$(document).on("click", ".copy-to-reply-button", function () {
  let codeBlock = $(this).closest(".code-box").find(".blockcode pre").get(0);
  if (codeBlock) {
    copyToReply(codeBlock);
  }
});

$(document).on("pun_post pun_edit pun_preview messenger:post messenger:messages_ready messenger:messages_load WYSI_init WYSI_insert", initCopyToReplyButtons)
  .pun_mainReady(initCopyToReplyButtons);
</script>

<script>
async function copyToReplyFromData(button) {
  let textCopyCode = button.dataset.copycode;
  let textareaCopyCode = document.querySelector("#main-reply");

  if (textareaCopyCode) {
    textareaCopyCode.value += (textareaCopyCode.value ? "\n\n" : "") + textCopyCode;
    textareaCopyCode.focus();
    textareaCopyCode.selectionStart = textareaCopyCode.selectionEnd = textareaCopyCode.value.length;

    setTimeout(() => {
      textareaCopyCode.scrollIntoView({ behavior: "smooth", block: "center" });
    }, 100);
  }

  try {
    await navigator.clipboard.writeText(textCopyCode);
  } catch {
    fallbackCopy(textCopyCode);
  }
}

function fallbackCopy(textCopyCode) {
  let temp = document.createElement("textarea");
  document.body.appendChild(temp);
  temp.value = textCopyCode;
  temp.select();
  try {
    document.execCommand("copy");
  } catch (e) {}
  document.body.removeChild(temp);
}

$(document).on("click", ".copy-to-reply-toform", function () {
  copyToReplyFromData(this);
});

</script>