const isDev = process.env.NODE_ENV === 'development'
const eff = f => x => ((f(x), x))
const noop = () => {}

const pad = n => n < 10 ? '0' + n : n

const fmtD = d => d.getFullYear() + '-' + pad(d.getMonth() + 1) + '-' + pad(d.getDate()) +
  ' ' + pad(d.getHours()) + ':' + pad(d.getMinutes()) + ':' + pad(d.getSeconds())

const now = () => fmtD(new Date())

const info = tag => x => {
  console.log(`\x1b[34m${now()} ${tag}\x1b[0m`)
  console.dir(x, { colors: true })
  console.log()
}
const error = tag => e => {
  console.error(`\x1b[31m${now()} ${tag}\x1b[0m`)
  console.dir(e, { colors: true })
  console.log()
}

const trace = tag => eff(isDev ? info(tag) : noop)

module.exports = { error, info, trace }