import Fastify from 'fastify'
import cookie from '@fastify/cookie'
import cors from '@fastify/cors'
import { initDb } from './db.js'
import { connect as connectMqtt } from './lib/mqtt.js'
import { startEngine } from './lib/engine.js'
import { deviceRoutes } from './routes/devices.js'
import { scheduleRoutes } from './routes/schedules.js'
import { settingsRoutes } from './routes/settings.js'

const app = Fastify({ logger: true, trustProxy: true })
const startedAt = Date.now()

await app.register(cookie)
await app.register(cors, {
  origin: process.env.CORS_ORIGIN || false,
  credentials: true,
})

app.get('/health', async () => ({ status: 'healthy', version: process.env.BUILD_VERSION || String(startedAt) }))

await app.register(deviceRoutes)
await app.register(scheduleRoutes)
await app.register(settingsRoutes)

try {
  await initDb()

  // The broker may be unreachable at boot — connect() handles that with its own
  // backoff and never blocks startup.
  connectMqtt().catch(err => app.log.warn(`MQTT connect failed at startup: ${err.message}`))

  startEngine()
  await app.listen({ port: 3001, host: '0.0.0.0' })
} catch (err) {
  app.log.error(err)
  process.exit(1)
}