const express = require('express')
const path = require('path')
const passport = require('passport')
const morgan = require('morgan')
const cookieParser = require('cookie-parser')
const bodyParser = require('body-parser')
const session = require('express-session')
const flash = require('express-flash')
const fileUpload = require('express-fileupload')
const helmet = require('helmet')
const compression = require('compression')

var env = process.env.NODE_ENV || 'testing'
const config = require('./config/config')[env]

var app = express()

app.set('port', config.app.port)
app.set('views', __dirname + '/views')
app.set('view engine', 'pug')

app.use(helmet())
app.use(compression())
app.use(morgan('combined'))
app.use(cookieParser())
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({extended: false}))
app.use(express.static(path.join(__dirname, 'public')))
app.use(session(
    {
        resave: true,
        saveUninitialized: true,
        secret: 'thisisasecret-thisisasecret-thisisasecret'
    }
))
app.use(passport.initialize())
app.use(passport.session())
app.use(flash())
app.use((req, res, next) => {
    res.locals.errors = req.flash("error")
    res.locals.successes = req.flash("success")
    next()
})
// enable files upload
app.use(fileUpload({
    createParentPath: true,
    limits: { 
      fileSize: 1000000 // 1 MB max. file size
    }
}))
// caching disabled for every route
// NOTE: Works in Firefox and Opera. Does not work in Edge
app.use(function(req, res, next) {
    res.set('Cache-Control', 'no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0')
    next()
})
  
require('./routes/routes-project')(app, config, passport)
  
// Handle 404
app.use(function (req, res, next) {
    res.status(404).render('./DE/404')
})
  
// Handle 500 - any server error
app.use(function (err, req, res, next) {
    console.error(err.stack)
    res.status(500).render('./DE/500', {
      error: err
    })
})
  
app.listen(app.get('port'), function () {
    console.log('Project Page listening on port ' + app.get('port'))
    console.log(__dirname)
})