import { mkdirSync } from 'node:fs';
import { join } from 'node:path';
import { loadConfig } from './config.js';
import { openDb } from './db.js';
import { createSalt } from './salt.js';
import { loadGeo } from './geo.js';
import { scheduleNightly } from './jobs.js';
import { createPublicServer, createAdminServer } from './server.js';

const config = loadConfig(process.env);
mkdirSync(config.dataDir, { recursive: true });
const db = openDb(join(config.dataDir, 'analytics.db'));
const geo = loadGeo(config.geoFile || join(config.dataDir, 'geo.csv'));
if (geo.size) console.log(`Analytics: ${geo.size} Länder-Bereiche geladen`);

const publicServer = createPublicServer({ config, db, geo, salt: createSalt() });
const servers = [
  ['öffentlich', publicServer, config.port],
  ['intern (Admin)', createAdminServer({ config, db, onSitesChanged: () => publicServer.invalidateSites() }), config.adminPort],
];
for (const [name, server, port] of servers) {
  server.on('error', (e) => { console.error(`Analytics-Listener ${name} (Port ${port}):`, e.message); process.exit(1); });
  server.listen(port, () => console.log(`Analytics-Dienst ${name} auf Port ${port}`));
}

// Nachtjob: täglich 02:30 Europe/Berlin und einmal 60 s nach dem Start
const nightly = scheduleNightly(db);

process.on('SIGTERM', () => {
  nightly.stop();
  let open = servers.length;
  const done = () => { if (--open === 0) { db.close(); process.exit(0); } };
  for (const [, server] of servers) { server.close(done); server.closeIdleConnections?.(); }
  setTimeout(() => process.exit(0), 5000).unref();
});