import $ from 'jquery';

import md5 from 'md5';

const EMAIL_REGEX = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$/i;

export default function (options) {

// Hash the email, if it is an email.

const email = normalizeEmail($(options.email_selector).val());

if (email !== '' && EMAIL_REGEX.test(email)) {

const hashed_email = hashEmail(email);

$(options.hashed_email_selector).val(hashed_email);

// Unless we want to deliberately skip the step of clearing the email.

if (!options.skip_clear_email) {

// If age < 13, don't send the plaintext email.

if (!options.age_selector || $(options.age_selector).val() < 13) {

$(options.email_selector).val('');

}

}

}

}

export function hashEmail(cleartextEmail) {

return md5(normalizeEmail(cleartextEmail));

}

function normalizeEmail(rawEmail) {

return rawEmail.toLowerCase().trim();

}