conveyal/modeify

var express = require('express')
var geocode = require('./geocode')
var mongoose = require('./mongo')
var otp = require('./otp')

var TIMEOUT = 5 * 1000 // 5 seconds

/**
 * Expose `router`
 */

var router = module.exports = express.Router()

/**
 * Main check
 */

router.all('/', checkGeocoder, checkOTP, function (req, res) {
  var checks = {
    api: true,
    db: mongoose.connection.readyState === 1,
    geocoder: !req.geocoder,
    logger: 'not implemented',
    otp: !req.otp,
    worker: 'not implemented'
  }

  // TODO: implement checks
  res.status(200).send(checks)
})

/**
 * OTP
 */

router.all('/otp', checkOTP, function (req, res) {
  if (!req.otp) {
    res.status(204).end()
  } else {
    res.status(400).send(req.otp)
  }
})

/**
 * Check Geocoder
 */

function checkGeocoder (req, res, next) {
  var nextd = false

  geocode.encode('1133 15th St NW, Washington, DC', function (err, suggestions) {
    if (!nextd) {
      req.geocoder = err
      nextd = true
      next()
    }
  })

  setTimeout(function () {
    if (!nextd) {
      req.geocoder = 'Timed out'
      nextd = true
      next()
    }
  }, TIMEOUT)
}

/**
 * Check OTP
 */

function checkOTP (req, res, next) {
  var nextd = false

  otp.get({
    url: '/index/routes'
  }, function (err, routes) {
    if (!nextd) {
      req.otp = err
      nextd = true
      next()
    }
  })

  setTimeout(function () {
    if (!nextd) {
      req.otp = 'Timed out'
      nextd = true
      next()
    }
  }, TIMEOUT)
}