import express from 'express';
import cors from 'cors';
import dotenv from 'dotenv';
import path from 'path';
import { fileURLToPath } from 'url';

import authRoutes from './routes/auth.js';
import tenantRoutes from './routes/tenants.js';
import kundenRoutes from './routes/kunden.js';
import kundenBilderRoutes from './routes/kunden-bilder.js';
import artikelRoutes from './routes/artikel.js';
import lieferungenRoutes from './routes/lieferungen.js';
import ruecknahmenRoutes from './routes/ruecknahmen.js';
import mitarbeiterRoutes from './routes/mitarbeiter.js';
import geraeteRoutes from './routes/geraete.js';

import { bootstrapSuperAdmin } from './scripts/bootstrap.js';

dotenv.config();

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const app = express();
const PORT = process.env.PORT || 3001;

app.use(cors());
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use('/uploads', express.static(process.env.UPLOAD_DIR || path.join(__dirname, 'uploads')));

app.get('/health', (req, res) => res.json({ status: 'OK', timestamp: new Date().toISOString() }));

app.use('/api/auth', authRoutes);
app.use('/api/tenants', tenantRoutes);
app.use('/api/kunden', kundenRoutes);
app.use('/api/kunden-bilder', kundenBilderRoutes);
app.use('/api/artikel', artikelRoutes);
app.use('/api/lieferungen', lieferungenRoutes);
app.use('/api/ruecknahmen', ruecknahmenRoutes);
app.use('/api/mitarbeiter', mitarbeiterRoutes);
app.use('/api/geraete', geraeteRoutes);

app.use((err, req, res, next) => {
  console.error('Fehler:', err);
  if (err.name === 'MulterError') {
    if (err.code === 'LIMIT_FILE_SIZE') return res.status(400).json({ error: 'Datei zu groß (max. 10MB)' });
    return res.status(400).json({ error: err.message });
  }
  res.status(err.status || 500).json({ error: err.message || 'Interner Serverfehler' });
});

app.use((req, res) => res.status(404).json({ error: 'Route nicht gefunden' }));

// Bootstrap SuperAdmin beim Start, dann Server starten
bootstrapSuperAdmin()
  .catch(err => console.error('Bootstrap-Fehler:', err))
  .finally(() => {
    app.listen(PORT, '0.0.0.0', () => {
      console.log(`Backend läuft auf Port ${PORT}`);
    });
  });

export default app;