import 'dotenv/config';
import express from 'express';
import { pool } from './lib/db/pool.js';
import { log } from './lib/log.js';
import { mountApi } from './lib/api/index.js';

const VERSION = '2.0.0-alpha.2';

export function createApp() {
  const app = express();
  app.use(express.json({ limit: '10mb' }));
  app.use(express.static('public'));

  app.get('/health', async (_req, res) => {
    let db_ok = false;
    try {
      await pool.query('SELECT 1');
      db_ok = true;
    } catch (e) {
      log.error({ err: e }, 'healthcheck db ping failed');
    }
    res.json({ ok: true, db_ok, version: VERSION });
  });

  mountApi(app);

  app.use((_req, res) => res.status(404).json({ error: { code: 'not_found' } }));

  app.use((err, _req, res, _next) => {
    log.error({ err }, 'unhandled');
    res.status(500).json({ error: { code: 'internal', message: 'internal server error' } });
  });

  return app;
}

if (import.meta.url === `file://${process.argv[1]}`) {
  const port = process.env.PORT || 3000;
  createApp().listen(port, () => log.info({ port }, 'void-server listening'));
}