document.addEventListener("DOMContentLoaded", function () {
  const codeBlocks = document.querySelectorAll("pre, code");

  codeBlocks.forEach(function (codeBlock) {
    codeBlock.style.cursor = "pointer";
    codeBlock.title = "Click to copy";

    codeBlock.addEventListener("click", function () {
      const selection = window.getSelection();
      const range = document.createRange();
      range.selectNodeContents(codeBlock);
      selection.removeAllRanges();
      selection.addRange(range);

      try {
        document.execCommand("copy");
        const originalText = codeBlock.innerText;
        codeBlock.innerText = "Copied!";
        setTimeout(function () {
          codeBlock.innerText = originalText;
        }, 1000); // Revert text after 1 second
      } catch (err) {
        console.error("Unable to copy:", err);
      }

      selection.removeAllRanges();
    });
  });
});