import Fastify from 'fastify';
import formbody from '@fastify/formbody';
import secureSession from '@fastify/secure-session';
import fastifyStatic from '@fastify/static';
import { join } from 'node:path';
import { ROOT, PORT, HOST, SESSION_SECRET } from './config.js';
import indexRoutes from './routes/index.js';
import apiRoutes from './routes/api.js';
import searchRoutes from './routes/search.js';
import { getRatings } from './lib/imdbRatings.js';
import { getPool } from './lib/searchEngine.js';

const fastify = Fastify({ logger: true, trustProxy: true });

await fastify.register(formbody);

await fastify.register(secureSession, {
  // 32 bytes minimum. Use SESSION_SECRET env var in production.
  secret: SESSION_SECRET.padEnd(32, '0').slice(0, 32),
  salt: 'proxytmdb-salt-1',
  cookieName: 'session',
  cookie: {
    path: '/',
    httpOnly: true,
    sameSite: 'lax',
    secure: 'auto',
  },
});

await fastify.register(indexRoutes);
await fastify.register(apiRoutes);
await fastify.register(searchRoutes);

// Serve any other path as a static file from the project root, so that the
// "directory listing" links keep working exactly as they did under Apache.
await fastify.register(fastifyStatic, {
  root: ROOT,
  serve: true,
  index: false,
  list: false,
  decorateReply: false,
  prefix: '/',
});

// Warm up: load IMDb ratings and spawn search workers eagerly.
fastify.ready().then(async () => {
  try {
    await getRatings();
    getPool('movie');
    getPool('tv');
    fastify.log.info('Warmup complete');
  } catch (err) {
    fastify.log.warn({ err }, 'Warmup failed');
  }
});

fastify.listen({ port: PORT, host: HOST }).catch((err) => {
  fastify.log.error(err);
  process.exit(1);
});