// /jobs/notificationRetryJob.js

const cron = require('node-cron');
const Notification = require('../components/notifications/notificationModel');
const { retryNotification } = require('../components/notifications/notificationService');
const logger = require('../utils/logger');

const runNotificationRetryJob = async () => {
  try {
    const failedNotifications = await Notification.find({
      status: 'failed',
      $expr: { $lt: ['$retryCount', '$maxRetries'] }
    }).limit(50);

    if (failedNotifications.length === 0) {
      return;
    }

    logger.info(`[NotificationRetryJob] Found ${failedNotifications.length} failed notifications to retry...`);

    for (const notification of failedNotifications) {
      try {
        await retryNotification(notification._id);
        logger.info(`[NotificationRetryJob] Successfully retried notification ID: ${notification._id}`);
      } catch (retryError) {
        logger.warn(`[NotificationRetryJob] Retry failed for notification ID ${notification._id}: ${retryError.message}`);
      }
    }
  } catch (error) {
    logger.error(`[NotificationRetryJob ERROR]: ${error.message}`);
  }
};

const startNotificationRetryJob = () => {
  // Run every 5 minutes
  cron.schedule('*/5 * * * *', async () => {
    await runNotificationRetryJob();
  });
  logger.info('[NotificationRetryJob] Scheduled to run every 5 minutes.');
};

module.exports = {
  startNotificationRetryJob,
  runNotificationRetryJob
};