carvalhoviniciusluiz / restify-devise

'use strict'

import joi from 'joi'

import winston from 'winston'

const envVarsSchema = joi.object({

  LOGGER_LEVEL: joi.string()

    .allow(['error', 'warn', 'info', 'verbose', 'debug', 'silly'])

    .default('info'),

  LOGGER_ENABLED: joi.boolean()

    .truthy('TRUE')

    .truthy('true')

    .falsy('FALSE')

    .falsy('false')

    .default(true)

}).unknown()

  .required()

const { error, value: envVars } = joi.validate(process.env, envVarsSchema)

if (error) {

  throw new Error(`Config validation error: ${error.message}`)

}

const config = {

  logger: {

    level: envVars.LOGGER_LEVEL,

    enabled: envVars.LOGGER_ENABLED

  }

}

const file = process.env.NODE_ENV || 'environment'

winston.level = config.logger.level

winston.add(winston.transports.File, { name: 'main', filename: `log/${file}.log` })

if (!config.logger.enabled) {

  winston.remove(winston.transports.Console)

}

module.exports = config