var punycode = require("punycode");


/**
 * Punycode operations.
 *
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright 2016
 * @license Apache-2.0
 *
 * @namespace
 */
var Punycode = module.exports = {

    /**
     * @constant
     * @default
     */
    IDN: false,

    /**
     * To Punycode operation.
     *
     * @param {string} input
     * @param {Object[]} args
     * @returns {string}
     */
    runToAscii: function(input, args) {
        var idn = args[0];

        if (idn) {
            return punycode.toASCII(input);
        } else {
            return punycode.encode(input);
        }
    },


    /**
     * From Punycode operation.
     *
     * @param {string} input
     * @param {Object[]} args
     * @returns {string}
     */
    runToUnicode: function(input, args) {
        var idn = args[0];

        if (idn) {
            return punycode.toUnicode(input);
        } else {
            return punycode.decode(input);
        }
    },

};