import Fastify from 'fastify';
import cors from '@fastify/cors';
import cookie from '@fastify/cookie';
import websocket from '@fastify/websocket';
import { seedAdmin } from '@bmm/auth';
import { config } from './config.js';
import { authRoutes } from './routes/auth.js';
import { serverRoutes } from './routes/servers.js';
import { oauthRoutes } from './routes/oauth.js';
import { settingsRoutes } from './routes/settings.js';
import { adminRoutes } from './routes/admin.js';

const app = Fastify({
  logger: {
    level: config.NODE_ENV === 'production' ? 'info' : 'debug',
  },
});

await app.register(cors, {
  origin: [config.NEXT_PUBLIC_APP_URL],
  credentials: true,
});
await app.register(cookie);
await app.register(websocket, { options: { maxPayload: 1024 * 1024 } });

app.get('/health', async () => ({ ok: true, ts: Date.now() }));

await app.register(authRoutes);
await app.register(serverRoutes);
await app.register(oauthRoutes);
await app.register(settingsRoutes);
await app.register(adminRoutes);

// Bootstrap admin user from env (idempotent)
if (config.ADMIN_EMAIL && config.ADMIN_PASSWORD) {
  try {
    const result = await seedAdmin({
      email: config.ADMIN_EMAIL,
      password: config.ADMIN_PASSWORD,
      name: config.ADMIN_NAME,
    });
    app.log.info(
      { email: config.ADMIN_EMAIL, created: result.created },
      `[admin-seed] ${result.created ? 'created' : 'updated'} admin user`,
    );
  } catch (err) {
    app.log.error({ err }, '[admin-seed] failed to seed admin user');
  }
}

app.setErrorHandler((err, _req, reply) => {
  app.log.error(err);
  if (!reply.sent) {
    reply.code(err.statusCode ?? 500).send({ error: err.message ?? 'internal_error' });
  }
});

try {
  await app.listen({ port: config.PORT, host: '0.0.0.0' });
  app.log.info(`api listening on http://localhost:${config.PORT}`);
} catch (err) {
  app.log.error(err);
  process.exit(1);
}