const PENDING_KEY = "bb_pending_credential";
const PENDING_TAB_KEY = "bb_pending_tab_id";

function openPopup() {
  if (typeof chrome === "undefined" || !chrome.action?.openPopup) return;
  chrome.action.openPopup().catch(() => {
    // ignore if popup cannot be opened (no user gesture)
  });
}

chrome.runtime.onMessage.addListener((msg, sender) => {
  if (!msg || msg.type !== "CREDENTIAL_CAPTURED") return;

  const payload = msg.payload || {};
  chrome.storage.local.set({
    [PENDING_KEY]: payload,
    [PENDING_TAB_KEY]: sender?.tab?.id || null
  }, () => {
    openPopup();
  });
});