app.js

const path = require('path')
const express = require('express')
const mongoose = require('mongoose')
const dotenv = require('dotenv')
const morgan = require('morgan') //For logging
const exphbs = require('express-handlebars') 
const methodOverride = require('method-override')
const passport = require('passport')
const session = require('express-session')
const MongoStore = require('connect-mongo')(session)
const connectDB = require('./config/db')


//Load config
dotenv.config({ path: './config/config.env' })

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

const app = express()

// Body parser
app.use(express.urlencoded( { extended: true}))
app.use(express.json())


// Method override
app.use(methodOverride(function (req, res) {
    if (req.body && typeof req.body === 'object' && '_method' in req.body) {
      // look in urlencoded POST bodies and delete it
      let method = req.body._method
      delete req.body._method
      return method
    }
  }))

// Logging
if(process.env.NODE_ENV === 'development') {
    app.use(morgan('dev'))
}

// Handlebars Helper
const { formatDate, truncate, stripTags, editIcon, select, taskIcon} = require('./helpers/hbs')
const { resolveSoa } = require('dns')

// Handlebars 
app.engine(
    '.hbs', 
    exphbs({ 
        helpers : {
            formatDate,
            truncate,
            stripTags,
            editIcon,
            select,
            taskIcon,
            
            
        },
        defaultLayout: 'main', 
        extname: '.hbs' }
        )
    )

app.set('view engine', '.hbs')

//Sessions
app.use(session({
    secret: 'keyboard cat',
    resave: false,
    saveUninitialized: false,
    store: new MongoStore({ mongooseConnection: mongoose.connection})
}))

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


//Set global var
app.use(function (req, res, next) {
    res.locals.user = req.user || null
    next()
})

// Static folder
app.use(express.static(path.join(__dirname, 'public')))


// Routes
app.use('/', require('./routes/index'))
app.use('/auth', require('./routes/auth'))
app.use('/projects', require('./routes/projects'))

const PORT = process.env.PORT || 3000

app.listen(PORT, console.log(`Server running in ${process.env.NODE_ENV} mode on port ${PORT}`))