import Fastify from 'fastify'
import cookie from '@fastify/cookie'
import cors from '@fastify/cors'
import cron from 'node-cron'
import { initDb } from './db.js'
import { bookingRoutes } from './routes/bookings.js'
import { configRoutes } from './routes/config.js'
import { workforceRoutes } from './routes/workforce.js'
import { runRotaSync, runTimesheetSync } from './lib/syncJobs.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(bookingRoutes)
await app.register(configRoutes)
await app.register(workforceRoutes)

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

// Daily 6am: rota sync (today-7 → today+28) then timesheet sync (last 7 days)
cron.schedule('0 6 * * *', async () => {
  app.log.info('cron: starting daily workforce sync')
  try {
    const r = await runRotaSync()
    app.log.info({ dates_synced: r.dates_synced }, 'cron: rota sync complete')
  } catch (err) {
    app.log.error({ err: err.message }, 'cron: rota sync failed')
  }
  try {
    const r = await runTimesheetSync()
    app.log.info({ dates_synced: r.dates_synced }, 'cron: timesheet sync complete')
  } catch (err) {
    app.log.error({ err: err.message }, 'cron: timesheet sync failed')
  }
})