import { isString, isEmpty } from 'exotic'
import { test } from './__match'

/**
 * @see http://baheyeldin.com/technology/technology-society/apostrophes-and-special-characters-names.html
 * @see http://2ality.com/2017/07/regexp-unicode-property-escapes.html
 * @see https://stackoverflow.com/questions/21170097/what-regular-expression-to-use-for-name-with-international-characters
 * @see https://stackoverflow.com/questions/17899107/how-to-validate-an-input-via-javascript-regular-expression
 * @see https://salesforce.stackexchange.com/questions/41153/best-regex-for-first-last-name-validation
 */
// const matchInternationalName = /^[a-zA-Z._-\s{1}\u00C6\u00D0\u018E\u018F\u0190\u0194\u0132\u014A\u0152\u1E9E\u00DE\u01F7\u021C\u00E6\u00F0\u01DD\u0259\u025B\u0263\u0133\u014B\u0153\u0138\u017F\u00DF\u00FE\u01BF\u021D\u0104\u0181\u00C7\u0110\u018A\u0118\u0126\u012E\u0198\u0141\u00D8\u01A0\u015E\u0218\u0162\u021A\u0166\u0172\u01AFY\u0328\u01B3\u0105\u0253\u00E7\u0111\u0257\u0119\u0127\u012F\u0199\u0142\u00F8\u01A1\u015F\u0219\u0163\u021B\u0167\u0173\u01B0y\u0328\u01B4\u00C1\u00C0\u00C2\u00C4\u01CD\u0102\u0100\u00C3\u00C5\u01FA\u0104\u00C6\u01FC\u01E2\u0181\u0106\u010A\u0108\u010C\u00C7\u010E\u1E0C\u0110\u018A\u00D0\u00C9\u00C8\u0116\u00CA\u00CB\u011A\u0114\u0112\u0118\u1EB8\u018E\u018F\u0190\u0120\u011C\u01E6\u011E\u0122\u0194\u00E1\u00E0\u00E2\u00E4\u01CE\u0103\u0101\u00E3\u00E5\u01FB\u0105\u00E6\u01FD\u01E3\u0253\u0107\u010B\u0109\u010D\u00E7\u010F\u1E0D\u0111\u0257\u00F0\u00E9\u00E8\u0117\u00EA\u00EB\u011B\u0115\u0113\u0119\u1EB9\u01DD\u0259\u025B\u0121\u011D\u01E7\u011F\u0123\u0263\u0124\u1E24\u0126I\u00CD\u00CC\u0130\u00CE\u00CF\u01CF\u012C\u012A\u0128\u012E\u1ECA\u0132\u0134\u0136\u0198\u0139\u013B\u0141\u013D\u013F\u02BCN\u0143N\u0308\u0147\u00D1\u0145\u014A\u00D3\u00D2\u00D4\u00D6\u01D1\u014E\u014C\u00D5\u0150\u1ECC\u00D8\u01FE\u01A0\u0152\u0125\u1E25\u0127\u0131\u00ED\u00ECi\u00EE\u00EF\u01D0\u012D\u012B\u0129\u012F\u1ECB\u0133\u0135\u0137\u0199\u0138\u013A\u013C\u0142\u013E\u0140\u0149\u0144n\u0308\u0148\u00F1\u0146\u014B\u00F3\u00F2\u00F4\u00F6\u01D2\u014F\u014D\u00F5\u0151\u1ECD\u00F8\u01FF\u01A1\u0153\u0154\u0158\u0156\u015A\u015C\u0160\u015E\u0218\u1E62\u1E9E\u0164\u0162\u1E6C\u0166\u00DE\u00DA\u00D9\u00DB\u00DC\u01D3\u016C\u016A\u0168\u0170\u016E\u0172\u1EE4\u01AF\u1E82\u1E80\u0174\u1E84\u01F7\u00DD\u1EF2\u0176\u0178\u0232\u1EF8\u01B3\u0179\u017B\u017D\u1E92\u0155\u0159\u0157\u017F\u015B\u015D\u0161\u015F\u0219\u1E63\u00DF\u0165\u0163\u1E6D\u0167\u00FE\u00FA\u00F9\u00FB\u00FC\u01D4\u016D\u016B\u0169\u0171\u016F\u0173\u1EE5\u01B0\u1E83\u1E81\u0175\u1E85\u01BF\u00FD\u1EF3\u0177\u00FF\u0233\u1EF9\u01B4\u017A\u017C\u017E\u1E93]+$/
const matchNotAllowed = /^[^±!@£$%^&*_+§¡€#¢§¶•ªº«\\/<>?:;|=.,]{1,50}$/
const matchWhiteSpace = /(\r\n|\n|\r)/gm
const matchName = /^[a-zA-Z- ]*$/
const matchWithoutSpace = /^\S*$/

const stripWhiteSpace = (x: string): string =>
  x.replace(/\s+/gim, '').replace(matchWhiteSpace, '')

function isValidName(name: string): boolean {
  if (isString(name)) {
    const nameValue = stripWhiteSpace(name)

    if (nameValue.length > 0) {
      // ... black list
      return matchName.test(nameValue)
      // ... white list
      // ensure it's valid characters
      // return matchInternationalName.test(nameValue)
    } else {
      return false
    }
  } else {
    return false
  }
}

function isValidNameWithoutSpace(name: string): boolean {
  const isMatched = matchWithoutSpace.test(name) && isValidName(name)
  return isMatched
}

function isEmptyOrValidName(name: string): boolean {
  if (isEmpty(name)) {
    return true
  } else {
    return isValidName(name)
  }
}

export { matchName }
export { isValidName, isEmptyOrValidName, isValidNameWithoutSpace }
export default isValidName