server.js

'use strict';
// Require dotenv for local dev, but not on glitch.com
if (!process.env.PROJECT_DOMAIN) require('dotenv').config();
const express = require('express');
const helmet = require('helmet');
const cors = require('cors');
const apiRoutes = require('./routes/api.js');
const fccTestingRoutes = require('./routes/fcctesting.js');
const runner = require('./test-runner');
const PORT = process.env.PORT || 3000;

const app = express();

//Set up mongoose connection
const mongoose = require('mongoose');
const mongoDB = process.env.MONGODB_URI;
mongoose.connect(mongoDB, { useNewUrlParser: true, useFindAndModify: false });
const db = mongoose.connection;
db.on('error', console.error.bind(console, 'MongoDB connection error:'));

app.use(helmet({
  noCache: true,
  hidePoweredBy: { setTo: 'PHP 4.2.0' }
}));

app.use('/public', express.static(process.cwd() + '/public'));

app.use(cors({origin: '*'})); //USED FOR FCC TESTING PURPOSES ONLY!

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

//Index page (static HTML)
app.route('/')
  .get(function (req, res) {
    res.sendFile(process.cwd() + '/views/index.html');
  });

//For FCC testing purposes
fccTestingRoutes(app);

//Routing for API 
apiRoutes(app);  
    
//404 Not Found Middleware
app.use(function(req, res, next) {
  res.status(404)
    .type('text')
    .send('Not Found');
});

//Start our server and tests!
app.listen(PORT, function () {
  console.log("Listening on port " + PORT);
  if(process.env.NODE_ENV==='test') {
    console.log('Running Tests...');
    setTimeout(function () {
      try {
        runner.run();
      } catch(e) {
        var error = e;
          console.log('Tests are not valid:');
          console.log(error);
      }
    }, 1500);
  }
});

module.exports = app; //for unit/functional testing