Print Signature Check

sigCheck.jsx

var scptName = "Export PDFs"
var scptVersion = "v1.6.1"
var g = {};
var d = app.activeDocument;
var pageCount = d.pages.length;
main();


function main() {
  try {
      if (app.documents.length == 0) {
        alert("No documents are open.");
      } else {
        if (pageCount > 6) {
          sigCheck();
        }
      }
    } catch (e) {
      alert(e.line);
    }
  }

/* =========================== */
/* ====  Signature Check  ==== */
/* =========================== */

function sigCheck() {
  var sigMod = 0;
  // var pageCount = d.pages.length;
  if (pageCount >= 32) {
    if (pageCount % 8 == 0) {
      sigMod = 8;
    } else if (pageCount % 8 !== 0){
      sigMod = 16;
    }
  } else if (pageCount < 32 && pageCount > 3) {
    sigMod = 8;
  } else {
    alert(
      "There are no sigs, your document is only " + pageCount + " page(s)."
    );
    exit();
  }
  var addPages = (Math.ceil(pageCount / sigMod) * sigMod) - pageCount;
  var removePages = pageCount - (Math.floor(pageCount / sigMod) * sigMod);
  var perfectBreak = pageCount + " pages. You're good.";
  var unperfectBreak =
    pageCount +
    " pages is not an even sig break.\nTry either add " +
    addPages +
    " pages \nor remove " +
    removePages +
    " pages.";
  if (pageCount % 8 == 0) {
    alert(perfectBreak);
  } else if (pageCount % sigMod !== 0) {
    alert(unperfectBreak);
  }
}