const express = require("express");
const httpProxy = require("http-proxy");

const app = express();
const PORT = 8000;

const BASE_PATH =
    "https://faucet-client-deployments.s3.amazonaws.com/__outputs";

const proxy = httpProxy.createProxy();

app.use((req, res) => {
    const hostname = req.hostname;
    const subdomain = hostname.split(".")[0];

    // Custom Domain - DB Query

    const resolvesTo = `${BASE_PATH}/${subdomain}`;

    return proxy.web(req, res, { target: resolvesTo, changeOrigin: true });
});

proxy.on("proxyReq", (proxyReq, req, res) => {
    const url = req.url;
    console.log("url", url);
    console.log("proxyReq.path", proxyReq.path);
    if (url === "/") proxyReq.path  = "index.html";
});

app.listen(PORT, () => console.log(`Reverse Proxy Running..${PORT}`));