'use strict'
const path = require('path')
const config = require('../config')
const packageConfig = require('../package.json')

const isDev = process.env.NODE_ENV !== 'production';

const assetsPath = (_path) => {
  const assetsSubDirectory = isDev
    ? config.dev.assetsSubDirectory
    : config.build.assetsSubDirectory

  return path.posix.join(assetsSubDirectory, _path)
}

const createNotifierCallback = () => {
  const notifier = require('node-notifier')

  return (severity, errors) => {
    if (severity !== 'error') return

    const error = errors[0]
    const filename = error.file && error.file.split('!').pop()

    notifier.notify({
      title: packageConfig.name,
      message: severity + ': ' + error.name,
      subtitle: filename || '',
      icon: path.join(__dirname, 'logo.png')
    })
  }
}

module.exports = {
  isDev,
  assetsPath,
  createNotifierCallback
}