import Fastify from "fastify"
import cors from "@fastify/cors"
import { env, isDev } from "./env"
import { createSocketServer } from "./socket"
import { adminRoutes } from "./admin/routes"
import "./game/modes" // enregistre les épreuves (registerRound)

const app = Fastify({
  logger: isDev
    ? { transport: { target: "pino-pretty" } }
    : true,
})

await app.register(cors, { origin: env.corsOrigins })

app.get("/health", async () => ({ status: "ok", uptime: process.uptime() }))

await app.register(adminRoutes, { prefix: "/api/admin" })

// Socket.IO se greffe sur le serveur HTTP sous-jacent de Fastify.
const io = createSocketServer(app.server)

try {
  await app.listen({ host: env.host, port: env.port })
  app.log.info(`Socket.IO ready (${io.engine.clientsCount} clients)`)
} catch (err) {
  app.log.error(err)
  process.exit(1)
}

// Arrêt propre : on ferme Socket.IO puis Fastify.
for (const signal of ["SIGINT", "SIGTERM"] as const) {
  process.on(signal, async () => {
    app.log.info(`${signal} received, shutting down`)
    await io.close()
    await app.close()
    process.exit(0)
  })
}