import { createApp } from './app.ts';
import { MemoryVisitStore, MongoVisitStore, type VisitStore } from './visits.ts';

async function main() {
  const port = Number(process.env.PORT ?? 3000);
  if (!Number.isInteger(port) || port < 0 || port > 65535) throw new Error('Invalid PORT');
  if (process.env.VISIT_STORE && !['memory', 'mongo'].includes(process.env.VISIT_STORE)) throw new Error('Invalid VISIT_STORE');
  let visitStore: VisitStore;
  if (process.env.VISIT_STORE === 'memory') {
    console.warn('VISIT_STORE=memory: visit history is volatile; development/tests only.');
    visitStore = new MemoryVisitStore();
  } else {
    visitStore = await MongoVisitStore.connect(process.env.MONGODB_URI ?? 'mongodb://172.16.0.7:27017', process.env.MONGODB_DATABASE ?? 'sunrise');
  }
  const app = createApp({ visitStore,
    allowedOrigins: process.env.ALLOWED_ORIGINS?.split(',').map(origin => origin.trim()).filter(Boolean) });
  const stop = () => { void app.close().catch(error => { console.error('Shutdown failed', error); process.exitCode = 1; }); };
  process.once('SIGINT', stop); process.once('SIGTERM', stop);
  app.httpServer.once('error', error => { console.error('HTTP server failed', error); process.exitCode = 1; stop(); });
  app.httpServer.listen(port, process.env.HOST ?? '127.0.0.1', () => {
    console.log(`Sunrise single-instance server listening on ${process.env.HOST ?? '127.0.0.1'}:${(app.httpServer.address() as { port: number }).port}`);
  });
}
void main().catch(error => { console.error('Server startup failed; admission disabled', error); process.exitCode = 1; });