const express = require('express');
const path    = require('path');
const fs      = require('fs');

require('./db'); // Datenbank + Tabellen initialisieren

const app = express();
app.use(express.json());

// ── Core-Routen ───────────────────────────────────────────────────────────────
app.use('/api/auth',      require('./routes/auth'));
app.use('/api/admin',     require('./routes/admin'));
app.use('/api/dashboard', require('./routes/dashboard'));
app.use('/api/system',    require('./routes/system'));

// ── Tool-Routen automatisch laden ─────────────────────────────────────────────
// Neues Tool: Datei unter src/tools/<name>/routes.js ablegen → wird automatisch eingebunden
const toolsDir = path.join(__dirname, 'tools');
fs.readdirSync(toolsDir, { withFileTypes: true })
  .filter(d => d.isDirectory())
  .forEach(d => {
    const routeFile = path.join(toolsDir, d.name, 'routes.js');
    if (fs.existsSync(routeFile)) {
      app.use(`/api/tools/${d.name}`, require(routeFile));
      console.log(`  🔧 Tool geladen: ${d.name}`);
    }
  });

// ── React-Frontend ausliefern ─────────────────────────────────────────────────
const PUBLIC = path.join(__dirname, '../public');

// Service Worker braucht diesen Header damit er auf '/' zugreifen darf
app.use((req, res, next) => {
  if (req.path === '/sw.js') {
    res.setHeader('Service-Worker-Allowed', '/');
    res.setHeader('Cache-Control', 'no-cache');
  }
  next();
});

app.use(express.static(PUBLIC));
app.get('*', (_req, res) => res.sendFile(path.join(PUBLIC, 'index.html')));

app.listen(4000, () => console.log('🚀 Dicken Dock läuft auf Port 4000'));