const express = require('express');
const cors = require('cors');
const vacationRoutes = require('./routes/vacationRoutes');
const vacationRequestModel = require('./models/vacationRequestModel');
const { requireAuth } = require('./middleware/auth');

const app = express();
const PORT = process.env.PORT || 3000;

const allowedOrigins = [
  'https://tkfb.technicalkorea.net',
  'https://tkreport.technicalkorea.net',
  'https://tkqc.technicalkorea.net',
  'https://tkuser.technicalkorea.net',
  'https://tkpurchase.technicalkorea.net',
  'https://tksafety.technicalkorea.net',
  'https://tksupport.technicalkorea.net',
];
if (process.env.NODE_ENV === 'development') {
  allowedOrigins.push('http://localhost:30680');
}
app.use(cors({
  origin: function(origin, cb) {
    if (!origin || allowedOrigins.includes(origin) || /^http:\/\/192\.168\.\d+\.\d+(:\d+)?$/.test(origin)) return cb(null, true);
    cb(new Error('CORS blocked: ' + origin));
  },
  credentials: true
}));
app.use(express.json());

// Health check
app.get('/health', (req, res) => {
  res.json({ status: 'ok', service: 'tksupport-api', timestamp: new Date().toISOString() });
});

// Routes
app.use('/api/vacation', vacationRoutes);

// 404
app.use((req, res) => {
  res.status(404).json({ success: false, error: 'Not Found' });
});

// Error handler
app.use((err, req, res, next) => {
  console.error('tksupport-api Error:', err.message);
  res.status(err.status || 500).json({
    success: false,
    error: '서버 오류가 발생했습니다'
  });
});

app.listen(PORT, async () => {
  console.log(`tksupport-api running on port ${PORT}`);
  try {
    await vacationRequestModel.runMigration();
  } catch (err) {
    console.error('Migration error:', err.message);
  }
});

module.exports = app;