config.js

'use strict'

const _ = require('lodash'),
  Env = require('dotenv').config(),
  Confidence = require('confidence'),
  ToBoolean = require('to-boolean')

const pack = require('./package')

const config = {
  $meta: 'This file defines all configuration for project.',
  name: pack.name,
  version: pack.version,
  description: pack.description,
  app: {
    host: process.env.APP_HOST || 'localhost',
    port: process.env.APP_PORT || 3020
  },
  messenger: {
    token: process.env.VERIFY_TOKEN || 'H@ck-d@y',
    apiUrl: process.env.FB_API_URL || 'https://graph.facebook.com/v2.6',
    messagePath: process.env.MESSAGE_PATH || '/me/messages',
    accessToken: process.env.PAGE_ACCESS_TOKEN
  },
  logger: {
    options: {
      console: ToBoolean(_.defaultTo(process.env.LOGGER_DEBUG, true))
    }
  }
}

const store = new Confidence.Store(config),
  criteria = {
    env: process.env.APP_ENV
  }

module.exports = {
  get: key => store.get(key, criteria),
  meta: key => store.meta(key, criteria)
}