app.js

const express = require('express');
const path = require('path');
const exphbs = require('express-handlebars');
const methodOverride = require('method-override');
const flash = require('connect-flash');
const session  = require('express-session');
const bodyParser = require('body-parser');
const passport = require('passport');
const mongoose = require('mongoose');
const app = express();
//Load Routes
const ideas = require('./routes/ideas');
const users = require('./routes/users');

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

//connect to mongoose
mongoose.connect('mongodb://localhost/write-i-diez')
    .then(() => console.log('MongoDB Connected...'))
    .catch(err => console.log(err));    

//Handlebars Middleware
app.engine('handlebars', exphbs({
    defaultLayout: 'main'
}));
app.set('view engine', 'handlebars');

//Body parser middleware
app.use(bodyParser.urlencoded({extended: false}));
app.use(bodyParser.json());
//Static folder
app.use(express.static(path.join(__dirname, 'public')));

//Method override middleware
app.use(methodOverride('_method'));
//Express session middleware
app.use(session({
    secret: 'secret',
    resave: true,
    saveUninitialized: true
  }));
//Passport Middleware
  app.use(passport.initialize());
  app.use(passport.session());

  app.use(flash());

  //Global Variables
  app.use((req, res, next) => {
    res.locals.success_msg = req.flash('success_msg');
    res.locals.error_msg = req.flash('error_msg');
    res.locals.error = req.flash('error');
    res.locals.user = req.user || null;
    next();    
  });

//Index Route
app.get('/', (req, res) => {
    const title = 'Welcome';
    res.render('index', {
        title: title
    });
});
//About Route
app.get('/about', (req, res) => {
    res.render('about');
});


//Use Routes
app.use('/ideas', ideas);
app.use('/users', users);


const port = 5000;

app.listen(port, () => {
    console.log(`Server started on port ${port}`);
});