const express = require('express')

const path = require('path')

const favicon = require('serve-favicon')

const logger = require('morgan')

const cookieParser = require('cookie-parser')

const bodyParser = require('body-parser')

const session = require('express-session')

const cors = require('cors')

const app = express()

const index = require('./routes/index')

const chat = require('./routes/chat')

const wss = require('./routes/wss')

// websockets setup

function WebsocketServer() {

this.events = {}

}

WebsocketServer.prototype.on = function (event, callback) {

this.events[event] = callback

}

app.wss = new WebsocketServer()

app.wss.on('connection', wss)

// view engine setup

app.set('views', path.join(__dirname, 'views'))

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

// uncomment after placing your favicon in /public

//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));

app.use(logger('dev'))

app.use(bodyParser.json())

app.use(bodyParser.urlencoded({ extended: false }))

app.use(cookieParser())

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

const sess = {

secret: 'keyboard cat',

resave: false,

saveUninitialized: true,

cookie: {}

}

if (app.get('env') === 'production') {

app.set('trust proxy', 1)

//sess.cookie.secure = true

} else {

app.use(cors({ credentials: true, origin: 'http://localhost:8080' }))

}

app.use(session(sess))

app.use('/', index)

app.use('/chat', chat)

// catch 404 and forward to error handler

app.use((req, res, next) => {

const err = new Error('Not Found')

err.status = 404

next(err)

});

// error handler

app.use((err, req, res, next) => {

// set locals, only providing error in development

res.locals.message = err.message

res.locals.error = req.app.get('env') === 'development' ? err : {}

// render the error page

res.status(err.status || 500)

res.render('error')

})

module.exports = app