export function looksLikeScheduleConfirmation(text) {
  const compact = String(text ?? '').replace(/\s+/g, '');
  if (!compact) return false;
  if (/(没有|没能|未能|无法|不能|失败|需要你|请补充|请告诉)/.test(compact)) return false;
  return /(已经|已|现在).{0,12}(设置|安排|记录|加上|添加|创建).{0,12}(待办|提醒|日程|安排|闹钟|闹铃)|设置好了|已经设置好了|已经加上/.test(
    compact,
  );
}

export function rewriteScheduleConfirmationWhenItlEnabled(replyText, { enabled = false } = {}) {
  if (!enabled || !looksLikeScheduleConfirmation(replyText)) return replyText;
  return [
    '这类提醒需要你先确认卡片后才会写入。',
    '请直接发完整安排（例如「每天18点提醒打卡」），我会先发确认卡片；回复「确认」后再生效。',
  ].join('\n');
}

export async function guardScheduleConfirmationReply({
  replyText,
  scheduleService,
  userId,
  sourceMessageId,
  logger,
  intentTransactionEnabled = false,
}) {
  if (intentTransactionEnabled) {
    return rewriteScheduleConfirmationWhenItlEnabled(replyText, { enabled: true });
  }
  if (!scheduleService || !looksLikeScheduleConfirmation(replyText)) return replyText;
  const messageId = String(sourceMessageId ?? '').trim();
  if (!messageId || typeof scheduleService.listItemsBySourceMessage !== 'function') {
    return replyText;
  }
  const items = await scheduleService
    .listItemsBySourceMessage({
      userId,
      sourceMessageId: messageId,
      limit: 5,
    })
    .catch((err) => {
      logger?.warn?.('Schedule confirmation guard failed:', err);
      return [];
    });
  if (items.length > 0) return replyText;
  return [
    '我刚才没有确认到待办/提醒已经写入系统，所以这次不能算设置成功。',
    '请再发一次完整安排，比如“明天早上 6 点跑步，5 点半提醒我”。我会在工具写入成功后再确认。',
  ].join('\n');
}