function simpleAutofix(OBJ_TO_FIX) {
  const isTruish = x =>
    x === true || x === 'true' || (/^["|']?true["|']?$/).test(x)
  const isFalsish = x =>
    x === false || x === 'false' || (/^["|']?false["|']?$/).test(x)
  const isBoolean = x => isFalsish(x) || isTruish(x)
  function isNumberLike(x) {
    if (typeof x === 'number') return true
    if (/^0x[0-9a-f]+$/i.test(x) === true) return true
    return (/^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/).test(x)
  }

  // @NOTE beginning & end tests on null are safety for server
  const isNil = x =>
    x === null ||
    x === undefined ||
    (/^["|']?null["|']?$/i).test(x) ||
    (/undefined/i).test(x)

  Object.keys(OBJ_TO_FIX).forEach(key => {
    const value = OBJ_TO_FIX[key]
    if (isBoolean(value)) {
      OBJ_TO_FIX[key] = Boolean(value)
    }
    if (isNumberLike(value)) {
      OBJ_TO_FIX[key] = Number(value)
    }
    if (isNil(value)) {
      OBJ_TO_FIX[key] = undefined
    }
  })
}

function invariantAutofix() {
  const simpleInput = {
    stringToNumber: '1',
    decimalToNumber: '10.10',
    stringyToBoolean: 'true',
    nullToUndefined: null,
    quotedNullToUndefined: '"null"',
    quotedToBoolean: '"true"',
  }
  simpleAutofix(simpleInput)
  const simpleExpect = {
    stringToNumber: 1,
    decimalToNumber: 10.1,
    stringyToBoolean: true,
    nullToUndefined: undefined,
    quotedNullToUndefined: undefined,
    quotedToBoolean: true,
  }
  console.assert(
    Object.keys(simpleExpect)
      .map(key => simpleInput[key] === simpleExpect[key])
      .every(Boolean) === true
  )
}

invariantAutofix()

module.exports = simpleAutofix