import 'zone.js/node';

import { ngExpressEngine } from '@nguniversal/express-engine';

import * as express from 'express';

import { join } from 'path';

import { AppServerModule, } from './src/main.server';

import { APP_BASE_HREF } from '@angular/common';

import { existsSync } from 'fs';

// Polyfill XMLHttpRequest and WS for Firebase

/* tslint:disable:no-string-literal */

global['XMLHttpRequest'] = require('xhr2');

global['WebSocket'] = require('ws');

/* tslint:enable:no-string-literal */

// include the protos required to bundle firestore

// import 'dir-loader!./firestore-protos';

// The Express app is exported so that it can be used by serverless Functions.

export function app() {

const server = express();

const distFolder = join(process.cwd(), 'dist/sample/browser');

const indexHtml = existsSync(join(distFolder, 'index.original.html')) ? 'index.original.html' : 'index';

// Our Universal express-engine (found @ https://github.com/angular/universal/tree/master/modules/express-engine)

server.engine('html', ngExpressEngine({

bootstrap: AppServerModule

}));

server.set('view engine', 'html');

server.set('views', distFolder);

// Example Express Rest API endpoints

// app.get('/api/**', (req, res) => { });

// Serve static files from /browser

server.get('*.*', express.static(distFolder, {

maxAge: '1y'

}) as any);

// All regular routes use the Universal engine

server.get('*', (req, res) => {

res.render(indexHtml, { req, providers: [{ provide: APP_BASE_HREF, useValue: req.baseUrl }] });

});

return server;

}

function run() {

const port = process.env.PORT || 4000;

// Start up the Node server

const server = app();

server.listen(port, () => {

console.log(`Node Express server listening on http://localhost:${port}`);

});

}

// Webpack will replace 'require' with '__webpack_require__'

// '__non_webpack_require__' is a proxy to Node 'require'

// The below code is to ensure that the server is run only when not requiring the bundle.

declare const __non_webpack_require__: NodeRequire;

const mainModule = __non_webpack_require__.main;

const moduleFilename = mainModule && mainModule.filename || '';

if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {

run();

}

export * from './src/main.server';