app.js

const express = require('express'),
  http = require('http');
const socketio = require('socket.io');
const cors = require('cors');
const path = require('path');
const socketHandler = require('./web-socket/socketHandler');

const mongoose = require('mongoose');
const session = require('express-session');
const passport = require('passport');
const MongoStore = require('connect-mongo')(session);

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

const app = express();
const server = http.createServer(app);
const io = socketio(server, {
  pingTimeout: 30000
});

app.use(cors({ credentials: true, origin: `http://localhost:3000` }));
// app.use(cors({ credentials: true, origin: `${process.env.HEROKU_URL}` }));
//Bodyparser
app.use(express.urlencoded({ extended: true }));
app.use(express.json({limit: '10mb'}));

// Passport config
require('./config/passport')(passport);

// DB Config
const db = require('./config/keys').MongoURI;

//Connect to Mongo
mongoose
  .connect(db, { useNewUrlParser: true, useUnifiedTopology: true })
  .then(() => console.log('MongoDB Connected...'))
  .catch(e => console.log(e));

//Express Session
app.use(
  session({
    secret: `${process.env.SECRET}`,
    store: new MongoStore({ mongooseConnection: mongoose.connection }),
    resave: false,
    saveUninitialized: false
  })
);

//Passport middleware
app.use(passport.initialize());
app.use(passport.session());


io.on('connection', socket => socketHandler(io, socket));

//Routes
app
.use('/messages-route', require('./routes/messages'))
.use('/users', require('./routes/users'));

app.use(express.static(path.join(__dirname, 'client/build')));
app.get('*', (req, res) => {
  res.sendFile(path.join(__dirname + '/client/build/index.html'));
});

server.listen(PORT, console.log(`Server started on port ${PORT}`));