// 1. Log in to your Amazon account
// 2. Go to your Content Library > Books - https://www.amazon.com/hz/mycd/digital-console/contentlist/booksAll/dateDsc/
// 3. Open your browser's Javascript console
// 4. For each page of books, paste this script into the console

(async function () {
  // Close the notification if it appears
  function closeNotification() {
    const notifClose = document.querySelector("span#notification-close");
    if (notifClose) {
      notifClose.click();
    }
  }

  // Pause for a given duration (in milliseconds)
  function pause(duration = 1000) {
    return new Promise(resolve => setTimeout(resolve, duration));
  }

  // Select all buttons that open the "Download & transfer via USB" dialog.
  // Note: This uses the DOWNLOAD_AND_TRANSFER prefix.
  const menus = Array.from(
    document.querySelectorAll('div[id*="DOWNLOAD_AND_TRANSFER_ACTION_"]')
  ).filter(el => !el.id.endsWith("CONFIRM") && !el.id.endsWith("CANCEL"));

  for (let menu of menus) {
    // Extract the ASIN from the menu's id.
    // E.g. "DOWNLOAD_AND_TRANSFER_ACTION_B07HYK662L" -> "B07HYK662L"
    const parts = menu.id.split("_");
    const asin = parts[parts.length - 1];
    console.log(`Processing book with ASIN: ${asin}`);
    
    // Click the menu to open the dialog
    menu.click();
    await pause(500);

    // Within the dialog, select the first radio button (device) to download.
    // This selector targets the list for this ASIN.
    const inputSelector = `ul#download_and_transfer_list_${asin} li[class^='ActionList-module_action_list_item__'] > div > label`;
    const input = document.querySelector(inputSelector);
    if (!input) {
      console.warn(`No download option found for ASIN ${asin}`);
      continue;
    }
    input.click();
    await pause(500);

    // Find the confirm button within the dialog for this ASIN.
    const buttonSelector = `div[id^='DOWNLOAD_AND_TRANSFER_DIALOG_${asin}'] div[class^='DeviceDialogBox-module_button_container__'] > div[id$='_CONFIRM']`;
    const button = document.querySelector(buttonSelector);
    if (!button) {
      console.warn(`No confirm button found for ASIN ${asin}`);
      continue;
    }
    button.click();
    await pause(1000);

    closeNotification();
    await pause(500);
  }
})();