import { Worker, type Job } from 'bullmq';

import type { ConnectionOptions } from 'bullmq';
import { logger } from '@/lib/logger';
import { QUEUE_CONFIGS } from '@/lib/queue';

export const maintenanceWorker = new Worker(
  'maintenance',
  async (job: Job) => {
    logger.info({ jobId: job.id, jobName: job.name }, 'Processing maintenance job');
    switch (job.name) {
      case 'currency-refresh': {
        const { refreshRates } = await import('@/lib/services/currency');
        await refreshRates();
        break;
      }
      case 'form-expiry-check': {
        // TODO(L3): mark expired form submissions
        logger.info('Form expiry check — not yet implemented');
        break;
      }
      default:
        logger.warn({ jobName: job.name }, 'Unknown maintenance job');
    }
  },
  {
    connection: { url: process.env.REDIS_URL! } as ConnectionOptions,
    concurrency: QUEUE_CONFIGS.maintenance.concurrency,
  },
);

maintenanceWorker.on('failed', (job, err) => {
  logger.error({ jobId: job?.id, jobName: job?.name, err }, 'Maintenance job failed');
});