const express = require('express');
const path = require('path');
const { PORT } = require('./config.js');

const app = express();

if (process.env.NODE_ENV === 'production') {
  // 🔧 URL rewrite 必須在所有路由之前執行（對應 Vite dev proxy 的行為）
  app.use((req, res, next) => {
    if (req.path.startsWith('/forge/api')) {
      req.url = req.url.replace(/^\/forge\/api/, '/api');
      req.path = req.path.replace(/^\/forge\/api/, '/api');
    }
    next();
  });

  const distPath = path.join(__dirname, 'wwwroot/ibms_ems/dist');
  app.use(express.static(distPath));
}

// 👉 API routes（在 rewrite 之後）
app.use(require('./routes/auth.js'));

if (process.env.NODE_ENV === 'production') {
  // Vue Router history mode (Express 5 catch-all syntax)
  app.get('/{*path}', (req, res) => {
    res.sendFile(path.join(__dirname, 'wwwroot/ibms_ems/dist', 'index.html'));
  });

} else {
  // 👉 Dev：只跑 API，不管前端
  app.get('/', (req, res) => {
    res.send('API server running...');
  });
}

app.listen(PORT, () => {
  console.log(`Server listening on port ${PORT}...`);
});