var fs = require('fs')
var path = require('path')
var app, express = require('express')
var http = require('http')
var https = require('https')
var expressLiquid = require('express-liquid')
var session = require('express-session')
var csrf = require('csurf')

var OK_PRODUCTION = process.env.OK_PRODUCTION == "true"

var app, server, io

var site = {}
site.init = function(){
  app = site.app = express()
  app.disable('x-powered-by')
  app.use(require('cookie-parser')())
  app.use(require('body-parser').urlencoded({ extended: true }))
  app.set('trust proxy', 1)
  app.use(session({
    // store: sessionStore,
    secret: 'b4mb00pl1nk0$yn3rgY',
    name: 'panda',
    resave: false,
    saveUninitialized: true,
    proxy: true,
    cookie: { secure: true }
  }))
  app.use(express.static( path.join(__dirname, '../public')))

  app.set('views', path.join(__dirname, '../views'))
  app.set('view engine', 'liquid')
  app.engine('liquid', expressLiquid({
    traceError: false
  }))
  app.use(expressLiquid.middleware)

  var csrfMiddleware = csrf()

  if (OK_PRODUCTION) {
    server = site.server = site.http(app)
  }
  else {
    server = site.server = site.https(app)
  }

  io = site.io = require('socket.io')(server)
  io.on('connection', function(socket){
    // client.on('event', function(data){})
    // client.on('disconnect', function(){})
  })
  
  var router = new express.Router
  app.use(router)
  
  var csrfMiddleware = csrf()
  // router.post("*", csrfMiddleware)
  router.get("/", csrfMiddleware, function(req,res){
    res.locals._csrf = req.csrfToken()
    res.render("index")
  })

  return router
}
site.http = function(app){
  var server = http.createServer(app).listen(process.env.PORT, function () {
    var port = server.address().port
    console.log('Server listening at https://lvh.me:%s', port)
  })
  return server
}
site.https = function(app){
  var credentials = {
    key: fs.readFileSync('./certs/lvh.me.key', 'utf8'),
    cert: fs.readFileSync('./certs/lvh.me.cert', 'utf8'),
  }
  var server = https.createServer(credentials, app).listen(process.env.PORT, function () {
    var port = server.address().port
    console.log('Server listening at https://lvh.me:%s', port)
  })
  return server
}

module.exports = site