passwordValidator

'use strict';

function passwordValidator(pass) {

  //Check characters
  let passwordHasValidLength = validatePasswordLength(pass, 6, 10)

  //Check for symbols
  //Check if 2 digits are used
  let passwordAsciiCharacters = returnAsciiCodesArray(pass);

  //Allowed ascii ranges
  // let asciiDigitRange = 48-57;
  // let asciiUpperRange = 65-90;
  // let asciiLowerRange = 97-122;
  let passWithOnlyAllowedSymbols = filter(passwordAsciiCharacters, (ele) => {
    return (ele >= 48 && ele <= 57) || (ele >= 65 && ele <= 90) || (ele >= 97 && ele <= 122);
  });

  //Compare filtered array with old password array
  let passwordHasValidSymbols = compareArrayElements(passwordAsciiCharacters, passWithOnlyAllowedSymbols);

  //Filter just the digits out of the password and count them
  let passDigitsArray = filter(passwordAsciiCharacters, (ele) => {
    return (ele >= 48 && ele <= 57);
  });
  let allDigitsInPassword = passDigitsArray.length;

  //Conditions
  if (!passwordHasValidLength) {
    console.log('Password must be between 6 and 10 characters');
  }

  if (!passwordHasValidSymbols) {
    console.log('Password must consist only of letters and digits');
  }

  if (allDigitsInPassword < 2) {
    console.log('Password must have at least 2 digits');
  }

  if (passwordHasValidLength && passwordHasValidSymbols && allDigitsInPassword >= 2) {
    console.log('Password is valid');
  }

  //Declarations
  function returnAsciiCodesArray(string) {
    let codesArray = [];

    for (let i = 0; i < string.length; i++) {
      let ascii = string.charCodeAt(i)
      codesArray.push(ascii);
    }
    return codesArray;
  }

  function validatePasswordLength(pass, startReq, endReq) {
    return pass.length >= startReq && pass.length <= endReq;
  }

  function filter(arr, callback) {
    let newArr = [];

    for (let element of arr)  {
      if (callback(element)) {
        newArr.push(element);
      }
    }
    return newArr;
  }

  function compareArrayElements(arrOne, arrTwo) {
    let bool = null;

    for (let i = 0, j = arrOne.length; i < j; i++) {
      let stringOne = arrOne[i];
      let stringTwo = arrTwo[i];
      bool = stringOne === stringTwo ? true : false;
    }
    return bool;
  }
}

let result = passwordValidator('Pa$s$s');
console.log(result);