/*
 * Tugas Besar 3 WBD - AMEN
 */

'use strict'

const express = require('express')

const hub = require('../service/hub')
const relay = require('../service/relay')

let app = express.Router()

app.get('/find', function (req, res) {
  let location = req.query.location

  res.json({
    'driver_ids': hub.filter(location)
  })
})

app.post('/', async function (req, res) {
  let id = req.body.driver_id
  let locations = req.body.locations

  try {
    let userId = await hub.waitAsync(id, locations, function (reject) {
      req.connection.on('close', () => reject(new Error('Aborted')))
    })

    res.json({
      'user_id': userId
    })
  } catch (e) {
    console.log(e)
  }
})

app.post('/pick', function (req, res) {
  let driverId = req.body.driver_id
  let userId = req.body.user_id

  try {
    // Pick driver by user.
    hub.pick(driverId, userId)

    // Associate user with driver.
    relay.associate(userId, driverId)

    res.json({ 'status': 'ok' })
  } catch (e) {
    res.status(500).json({ 'status': 'error' })
  }
})

module.exports = app