'use strict';

const punycode = require('punycode');

function normalizeAddress(address, withNames) {
    if (typeof address === 'string') {
        address = {
            address
        };
    }
    if (!address || !address.address) {
        return '';
    }
    let user = address.address.substr(0, address.address.lastIndexOf('@')).toLowerCase().trim();
    let domain = address.address.substr(address.address.lastIndexOf('@') + 1).toLowerCase().trim();
    let addr = user + '@' + punycode.toUnicode(domain);

    if (withNames) {
        return {
            name: address.name || '',
            address: addr
        };
    }

    return addr;
}

module.exports = {
    normalizeAddress
};