import * as os from 'os';

import * as _ from 'lodash';

import { request } from '../../utils/http';

import { killAllProcesses } from '../../utils/process';

import { ngServe } from '../../utils/project';

export default function () {

// TODO(architect): Delete this test. It is now in devkit/build-angular.

const firstLocalIp = _(os.networkInterfaces())

.values()

.flatten()

.filter({ family: 'IPv4', internal: false })

.map('address')

.first();

const publicHost = `${firstLocalIp}:4200`;

const localAddress = `http://${publicHost}`;

return Promise.resolve()

// Disabling this test. Webpack Dev Server does not check the hots anymore when binding to

// numeric IP addresses.

// .then(() => ngServe('--host=0.0.0.0'))

// .then(() => request(localAddress))

// .then(body => {

// if (!body.match(/Invalid Host header/)) {

// throw new Error('Response does not match expected value.');

// }

// })

// .then(() => killAllProcesses(), (err) => { killAllProcesses(); throw err; })

.then(() => ngServe('--host=0.0.0.0', `--public-host=${publicHost}`))

.then(() => request(localAddress))

.then(body => {

if (!body.match(/<app-root><\/app-root>/)) {

throw new Error('Response does not match expected value.');

}

})

.then(() => killAllProcesses(), (err) => { killAllProcesses(); throw err; })

.then(() => ngServe('--host=0.0.0.0', `--disable-host-check`))

.then(() => request(localAddress))

.then(body => {

if (!body.match(/<app-root><\/app-root>/)) {

throw new Error('Response does not match expected value.');

}

})

.then(() => killAllProcesses(), (err) => { killAllProcesses(); throw err; })

.then(() => ngServe('--host=0.0.0.0', `--public-host=${localAddress}`))

.then(() => request(localAddress))

.then(body => {

if (!body.match(/<app-root><\/app-root>/)) {

throw new Error('Response does not match expected value.');

}

})

.then(() => killAllProcesses(), (err) => { killAllProcesses(); throw err; })

.then(() => ngServe('--host=0.0.0.0', `--public-host=${firstLocalIp}`))

.then(() => request(localAddress))

.then(body => {

if (!body.match(/<app-root><\/app-root>/)) {

throw new Error('Response does not match expected value.');

}

})

.then(() => killAllProcesses(), (err) => { killAllProcesses(); throw err; });

}