/**

* Copyright 2016, Google, Inc.

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

'use strict';

const express = require('express');

const path = require('path');

const bodyParser = require('body-parser');

// [START setup]

const Mailgun = require('mailgun').Mailgun;

const mg = new Mailgun(process.env.MAILGUN_API_KEY);

// [END setup]

const app = express();

// Setup view engine

app.set('views', path.join(__dirname, 'views'));

app.set('view engine', 'pug');

// Parse form data

app.use(bodyParser.json());

app.use(bodyParser.urlencoded({ extended: false }));

// [START index]

app.get('/', (req, res) => {

res.render('index');

});

// [END index]

// [START hello]

app.post('/hello', (req, res, next) => {

const servername = '';

const options = {};

mg.sendText(

// From

'no-reply@appengine-mailgun-demo.com',

// To

req.body.email,

// Subject

'Hello World!',

// Body

'Mailgun on Google App Engine with Node.js',

servername,

options,

(err) => {

if (err) {

next(err);

return;

}

// Render the index route on success

res.render('index', {

sent: true

});

}

);

});

// [END hello]

// [START server]

const PORT = process.env.PORT || 8080;

app.listen(PORT, () => {

console.log(`App listening on port ${PORT}`);

console.log('Press Ctrl+C to quit.');

});

// [END server]