/**
 * @todo @file move this out
 */
// import fwf from 'funwithflags'
import { resolveToRoot } from '../resolveToRoot'

// @todo @@perf remove
function ENV_FLAGS() {
  const NODE_ENV = process.env.NODE_ENV
  const DEV = process.env.DEV_ENV === true || NODE_ENV === 'development'
  const PROD = process.env.NODE_ENV === 'production' || process.env.PRODUCTION === true
  const WEBPACK = process.env.WEBPACK_ENV === true
  const STORYBOOK = process.env.STORYBOOK_ENV === true
  const SERVER = process.env.SERVER_ENV === true
  const TEST = NODE_ENV === 'test'
  const DEPLOYMENT = Boolean(process.env.DEPLOYMENT)
  return {
    DEV,
    PROD,
    WEBPACK,
    STORYBOOK,
    SERVER,
    TEST,
  }
}
const FLAGS = ENV_FLAGS()

// @todo to get `isAnalyze`
// const argv = fwf.argv()
function configOptions(buildOptions) {
  const { optimize, target } = buildOptions

  const isAnalyze = process.env.BUILD_ANALYZE

  // @note this checks whether --optimize || NODE_ENV = production
  const isProd = Boolean(optimize || process.env.NODE_ENV === 'production')

  const isDev = !isProd
  const isClient = target === 'client'
  const isServer = target === 'server'
  const isNode = !isClient

  const isProdClient = Boolean(isProd && isClient)
  const isProdServer = Boolean(isProd && isServer)
  const isDevClient = Boolean(isDev && isClient)
  const isDevServer = Boolean(isDev && isServer)

  // -------- should not need docs -----------
  // Preconfigure some ifElse helper instnaces. See the util docs for more
  // information on how this util works.
  // const ifDev = ifElse(isDev)
  // const ifProd = ifElse(isProd)
  // const ifNode = ifElse(isNode)
  // const ifClient = ifElse(isClient)
  // const ifDevClient = ifElse(isDev && isClient)
  // const ifProdClient = ifElse(isProd && isClient)
  // const ifAny = ifElse(true)

  return {
    ...buildOptions,
    isAnalyze,
    isDevClient,
    isProdServer,
    isProdClient,
    isDevServer,
    isProd,
    isDev,
    isClient,
    isServer,
    // ...FLAGS,
  }
}

export { configOptions }
export default configOptions