const express = require('express')
const bodyParser = require('body-parser')
const sockjs = require('sockjs')
const http = require('http')
const mongoose = require('mongoose')

/** Load the submodules */
import project from './project/route'

/** Create the express app */
const app = express()

/** MongoDB middleware */
const dbName = 'movieDB'
const connectionString = `mongodb://localhost:27017/${dbName}`

/** Sockjs middleware */
const sockjsOpts = {sockjs_url: 'http://cdn.jsdelivr.net/sockjs/1.0.1/sockjs.min.js'}
const sockjsServer = sockjs.createServer(sockjsOpts)
sockjsServer.on('connection', function (conn) {
  conn.on('data', function (message) {
    conn.write(message)
  })
})

/** Bind the http server to express */
const server = http.createServer(app)

sockjsServer.installHandlers(server, {prefix: '/echo'})
mongoose.connect(connectionString)

function welcomeRouter (req, res) {
  res.json({ message: 'Welcome to the AutoMate db API!' })
}
function errorRouter (req, res) {
  res.status(404)
  res.send({ message: 'Unknown route.' })
}

app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: true }))
app.get(/^\/db\/?$/, welcomeRouter)
app.get(/^\/db(\/\w+)?(\/\w+)?\/?$/, [project.get])
app.post(/^\/db(\/\w+)?(\/\w+)?\/?$/, [project.post])
app.put(/^\/db(\/\w+)?(\/\w+)?\/?$/, [project.put])
app.delete(/^\/db(\/\w+)?(\/\w+)?\/?$/, [project.delete])
app.use(/.*/, errorRouter)

/* app.get('/', function (req, res) {
  res.sendFile(`${__dirname}/index.html`)
}) */

server.listen(process.env.PORT || 4000)