'use strict'

import http from 'http'
import express, { Response, Request } from 'express'
import bodyParser from 'body-parser'
import { initialize } from 'express-openapi'
import swaggerUi from 'swagger-ui-express'
import path from 'path'
import cors from 'cors'
import { initPassport, isAuthEnabled, initAllowedUsers } from './auth'

require('dotenv').config()

const app = express()
const server = http.createServer(app)
app.use(cors())
app.use(bodyParser.json({ limit: '5mb' }))

const passport = initPassport()
app.use(passport.initialize())

if (isAuthEnabled()) {
  initAllowedUsers()
} else {
  console.warn('No Auth0 env variables found - starting unauthenticated API endpoint!')
}

const swaggerConfig = require('./config/swagger.json')

initialize({
  app,
  apiDoc: swaggerConfig,
  errorMiddleware: (err, req, res, next) => {
    console.log(JSON.stringify(err.errors, undefined, ' '))
    res.status(err.status).send(err.errors)
  },
  paths: path.resolve('./handlers'),
  routesGlob: '**/*.[jt]s',
  routesIndexFileRegExp: /(?:index)?\.[jt]s$/
})

// custom error handler (DO NOT DELETE "next" PARAM)
app.use((err: Error, req: Request, res: Response, next: Function) => {
  res.status(500).send(JSON.stringify(err, Object.getOwnPropertyNames(err)))
})

app.use('/api/docs', swaggerUi.serve, swaggerUi.setup(swaggerConfig))

const port = process.env.PORT || 8000
server.listen(port, function() {
  console.log('feedbot-server listening at port :' + port)
})