import * as debugStuff from 'debug'
const debug = debugStuff.debug('dbApiServer')
debug('Starting the dbApiServer')
const express = require('express')
debug(' - Loaded express')
const bodyParser = require('body-parser')
debug(' - Loaded bodyParser')
const http = require('http')
debug(' - Loaded http')
// const oauthserver = require('oauth2-server')
const mongoose = require('mongoose')
mongoose.Promise = Promise
debug(' - Loaded mongoose')

/** Create the express app */
const app = express()
debug('Created app')

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

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

/** Connect the middleware to the server */
mongoose.connect(connectionString)
debug('Connected DB')

function welcomeRouter (req, res) {
  res.status(200)
  res.json({ message: 'Welcome to the MongoDB API!' })
}
function errorRouter (req, res) {
  res.status(404)
  res.send()
}
debug('Defined default routers')

app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: true }))

/** Load the submodules */
import RESTControllerVersioned from './core/RESTControllerVersioned'
import RESTController from './core/RESTController'
import { Model, Job } from './routeGenModel'
const JobController = new RESTController(Job)
const ModelController = new RESTControllerVersioned(Model, '_id', { jobs: JobController })
const modelRouter = ModelController.route()

app.get('/', welcomeRouter)
app.use('/model', modelRouter)
app.use(/.*/, errorRouter)
debug('Configured app')

const port = process.env.PORT || 4100
server.listen(port)
debug('Started server on port %s', port)