// /utils/senders/notificationRecorder.js
'use strict';

const Notification = require('../../components/notifications/notificationModel');
const logger = require('../logger');

/**
 * Persist a notification row, attempt delivery, then mark sent/failed.
 * Use this for every outbound sms / email / baleBot message.
 */
const recordAndSend = async ({
  userId = null,
  channel,
  subject = '',
  body,
  relatedEvent = null,
  sendFn
}) => {
  const notification = await Notification.create({
    user: userId || undefined,
    channel,
    subject: subject || undefined,
    body: body || subject || 'Notification',
    status: 'pending',
    relatedEvent: relatedEvent || undefined
  });

  try {
    const result = await sendFn();
    const skipped = result && result.skipped === true;
    notification.status = skipped ? 'failed' : 'sent';
    if (skipped) {
      notification.lastError = result.reason || 'Delivery skipped';
    } else {
      notification.sentAt = new Date();
    }
    await notification.save();
    return { notification, result };
  } catch (err) {
    notification.status = 'failed';
    notification.lastError = err.message;
    notification.retryCount = (notification.retryCount || 0) + 1;
    await notification.save();
    logger.error(`[NotificationRecorder] ${channel} failed: ${err.message}`);
    throw err;
  }
};

module.exports = {
  recordAndSend
};