// routes/assignment.js
const express = require("express");
const { createProxyMiddleware } = require("http-proxy-middleware");

const router = express.Router();

// Middleware to check authentication
function isAuthenticated(req, res, next) {
    if (req.isAuthenticated && req.isAuthenticated()) {
        return next();
    } else {
        return res.status(401).json({ error: "Not authenticated, visit /login" });
    }
}

// Proxy configuration
const proxy = createProxyMiddleware({
    target: "http://assignment-service.internal:8080",
    changeOrigin: true,
    pathRewrite: {
        "^/assignment": "", // remove `/assignment` prefix when forwarding
    },
    onProxyReq(proxyReq, req, res) {
        // Optional: log or modify headers
        console.log(`Proxying ${req.method} request to ${proxyReq.protocol}//${proxyReq.host}${proxyReq.path}`);
    },
});

// Apply both middleware
router.use(isAuthenticated, proxy);

module.exports = router;