const express = require('express');
const mongoose = require('mongoose');
const cors = require('cors');
const path = require('path');
require('dotenv').config();

const app = express();

// Middleware
app.use(cors());
app.use(express.json());

// MongoDB Verbindung
const MONGODB_URI = process.env.MONGODB_URI || 'mongodb://localhost:27017/familien-held';

mongoose.connect(MONGODB_URI, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
})
.then(() => console.log('✅ MongoDB verbunden'))
.catch(err => console.error('❌ MongoDB Verbindungsfehler:', err));

// API Routes
app.use('/api/auth', require('./routes/auth'));
app.use('/api/child-auth', require('./routes/childAuth'));
app.use('/api/families', require('./routes/families'));
app.use('/api/children', require('./routes/children'));
app.use('/api/tasks', require('./routes/tasks'));
app.use('/api/rewards', require('./routes/rewards'));
app.use('/api/public', require('./routes/public'));

// Serve static files from React app in production
if (process.env.NODE_ENV === 'production') {
  app.use(express.static(path.join(__dirname, 'client/build')));
  
  app.get('*', (req, res) => {
    res.sendFile(path.join(__dirname, 'client/build', 'index.html'));
  });
}

// Basis Route für Entwicklung
app.get('/', (req, res) => {
  res.json({ 
    message: '🎉 Familien-Held API läuft!', 
    version: '1.0.0',
    endpoints: [
      '/api/auth - Eltern-Authentifizierung',
      '/api/child-auth - Kinder-Authentifizierung',
      '/api/families - Familien-Management',
      '/api/children - Kinder-Profile',
      '/api/tasks - Aufgaben-Verwaltung',
      '/api/rewards - Belohnungs-System'
    ]
  });
});

const PORT = process.env.PORT || 5000;
app.listen(PORT, () => {
  console.log(`🚀 Server läuft auf Port ${PORT}`);
  console.log(`📱 Familien-Held API bereit!`);
});

module.exports = app;