import * as Hapi from 'hapi'
import * as HapiNats from '@oyst/hapi-nats'
import * as Replies from '@oyst/utils/lib/replies'

import {
  I18N_CONFIG,
  NATS_URL,
  PREFIX_URL,
  HOST as host,
  PORT as port,
} from './lib/constants'

import Plugins from './plugins'
import { i18n } from '@oyst/utils'
import { makeError } from '@oyst/utils'
import namespace from 'hapi-namespace'
import routes from './routes'
import snake from 'param-case'
import triggerError from './lib/trigger_error'

const server = new Hapi.Server()

i18n.setConfig(I18N_CONFIG)

server.connection({
  host,
  port,
  routes: {
    cors: {
      additionalHeaders: [
        'oyst',
        'oyst-authorization',
        'oyst-user',
        'oyst-session'
      ],
      credentials: true,
      origin: ['*']
    }
  }
})
server.register(Plugins, triggerError)

const routesWithTag = routes.map(route => {
  if (!route.config) {
    route.config = {}
  }
  if (!route.config.tags) {
    route.config.tags = []
  }
  if (route.config.tags.indexOf('api') === -1) {
    route.config.tags.push('api')
  }
  return route
})

const { name } = require('../package.json')

server.register({
  options: {
    application: name,
    nats_url: NATS_URL,
    prefix: PREFIX_URL,
    project: 'CLICK',
    routes: routesWithTag,
    worker: name
  },
  register: HapiNats.register
}, err => {
  triggerError(err)
})

server.ext('onPostAuth', (request: any, reply) => {
  i18n.i18n = request.i18n
  return reply.continue()
})

server.ext('onPreResponse', (request, reply) => {
  if (request.response.isBoom === true) {
    const message = snake(request.response.output.payload.message || request.response.output.payload.error)
    request.response.source = ''
    return Replies.error(makeError(`CLICK-${request.response.output.statusCode}`, message), reply)
  }
  return reply.continue()
})

server.start(err => {
  triggerError(err)
  console.info(`Server started at [${server.info.uri}]`)
})

export default server