/**
 * @file was in primitive/number
 *
 * https://stackoverflow.com/questions/40512393/understanding-string-heap-size-in-javascript-v8
 * https://stackoverflow.com/questions/26856783/size-of-a-function-in-memory
 * https://hashnode.com/post/what-is-the-best-way-to-calculate-the-size-of-a-json-object-in-nodejs-cinklya0f00670d53c0puzb2u
 * https://bclary.com/2004/11/07/#a-4.3.16
 * https://github.com/miktam/sizeof/blob/master/byte_size.js
 * https://github.com/calebsander/structure-bytes
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures
 * https://github.com/substack/utf8-length/blob/master/index.js
 */

import { recurse } from '../../deps'
import { ECMA_SIZES } from '../NATIVE/CONSTANTS/NATIVE_SIZES'
import { toKindOf } from '../kind'
import { Kindof } from '../../../typings'

// would be circular :-/ @TODO @FIXME
// const recurse = require('chaintools/recurse')

function toDefaultBytes(x: any): string {
  const stringified = JSON.stringify(x)
  return ~-encodeURI(stringified).split(/%..|./).length
}

// @TODO should use `is`
function toByteSize(data: any): number {
  let size = 0
  recurse(data, (value, key, traverse) => {
    switch (toKindOf(value)) {
      case 'buffer':
        size += value.length
        break
      case 'string':
        size += value.length * ECMA_SIZES._STRING
        break
      case 'boolean':
        size += ECMA_SIZES._BOOLEAN
        break
      case 'number':
        size += ECMA_SIZES._NUMBER
        break
      case 'function':
      case 'date':
        size += value.toString().length * ECMA_SIZES._STRING
        break
      case 'undefined':
      case 'null':
        size += ECMA_SIZES._UNDEFINED
        break
      default:
        size += toDefaultBytes(value)
        break
    }
  })

  return size
}

export { toDefaultBytes, toByteSize }
export default toByteSize