const express = require('express');
const httpProxy = require('http-proxy');
const http = require("http");
const path = require("path");
const app = express();
const bodyParser = require('body-parser');

var proxyOptions = {
    changeOrigin: true
};

httpProxy.prototype.onError = function (err) {
    console.log(err);
};


// this should create the node http proxy server on port 3001
var apiProxy = httpProxy.createProxyServer(proxyOptions).listen(3001);

// I can see the following output when deploying my app
console.log('Forwarding API requests to ' + apiForwardingUrl);

// all incoming / requests on node server should be forwarded to Angular single page app's index.html
app.get('/', function(req, res) {
  res.sendFile(__dirname + '/index.html');
});

// providing static files for Angular app
app.use("/static", express.static(path.join(__dirname, "static")));

// all incoming requests to /jira/* should be forwared and responded by node http proxy server
app.all("/jira/*", function(req, res) {
    apiProxy.web(req, res, {target: 'www.example.com'});
});

// make sure POST requests to node http proxy server are fully supported
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
    extended: true
}));

// Create node server on port 3000
http.createServer(app).listen(3000);