Replace trigger.dev,
BullMQ, and NATS.
All of it.

import { z } from 'zod'
import { workflow, cron, task, onEvent, TriginnClient, TriginnWorker } from '@triginn/sdk'

// Durable workflow — survives crashes, replays from WAL
const processOrder = workflow('process-order', {
  schema: z.object({ orderId: z.string() }),
  run: async (payload, ctx, step) => {
    const charged = await step.run('charge-card', async () => {
      return chargeCard(payload.orderId)
    })
    await step.sleep('wait-for-confirmation', '30s')
    await step.run('send-receipt', async () => {
      return sendReceipt(payload.orderId, charged.amount)
    })
  },
})

// Cron — persisted in WAL, fires without a sidecar
const dailyReport = cron('daily-report', '0 9 * * *', async (ctx, step) => {
  await step.run('generate', () => generateReport())
})

// Background task — fire-and-forget with retry policy
const sendEmail = task('send-email', {
  schema: z.object({ to: z.string().email() }),
  run: async (payload) => { await mailer.send(payload.to) },
  retryPolicy: { maxAttempts: 3, backoff: 'exponential', baseDelayMs: 1000 },
})

// Event-triggered — start a workflow when an event arrives
const orderRegistration = onEvent('order.placed', processOrder)

const client = new TriginnClient({
  serverUrl: process.env.TRIGINN_NODE_URL ?? 'http://localhost:7800',
  token: () => process.env.TRIGINN_TOKEN!,
  namespace: 'production',
})

const worker = new TriginnWorker(client, [processOrder, dailyReport, sendEmail, orderRegistration])
await worker.start()