Need help with AJAX login to call php in functions.php to handle redirects based on user cap (role)

So, i managed to achieve what i want by directing the exisiting window.location.href to a newly created php file i put in the root called .login.php. I will share the code below as it handles the user roles nicely when logging in using this jquery method

.login.php

<?php
require_once('wp-load.php');

function user_role_check_modal( $role, $user_id = null ) {

  $user = wp_get_current_user();

    if ( empty( $user ) )
    return false;

  return in_array( $role, (array) $user->roles );
}

if ( user_role_check_modal( 'administrator' )):
   header("Location: /wp-admin/");
   exit();

endif;

if ( user_role_check_modal( 'customer' )):
   header("Location: /my-account/");
   exit();

else:

   header("Location: /my-account/");
   exit();

endif;

Hope this helps someone who maybe in the future needs work around