Guild Wars Code Finder

//  Screenshot https://cdn.mediacru.sh/3QrCt6IN7WLE.png
//  Requires restler (npm install restler)
//  Probably won't work on Windows (Terminal control codes etc)



/ Begin Configuration /;
// In-game username
var user = 'Example';
// Email address
var email = 'example@gmail.com';
// List of desired codes
var codes = ['2718', '2357', '1234', '4321'];



/ Begin Disgusting code /;
// Load modules
var rest = require('restler');

// Parse email
var muser = email.split('@')[0];
var mhost = email.split('@')[1];

// Initialize variables
var midfix = '';
var prefix = '';
var affix = '';
var pindex = 0;
var index = 0;

// Terminal Controls
function clear() { return '\r\x1b[2K' + [].join.call(arguments, ' '); }
function underline() { return '\x1b[4m' + [].join.call(arguments, ' ') + '\x1b[0m'; }

// Wall of text
console.log('', underline(' GW2 Code Generator 0.0.2a '), '\n');
console.log('  User:   ', user);
console.log('  Email:  ', email);
console.log('  Codes:  ', codes.join(', '));
console.log('\n ' + underline(' Code '), '', underline(' Email Address '));

// Start the loop
loop(prefix, midfix, index, affix);

/ Begin Loop code /;
function loop(prefix, midfix, index, affix) {

    // Increment midfix
    midfix += '.';

    // Check for midfix overflow
    if ((prefix + midfix + muser + affix).length > 30) {
        // Reset midfix
        midfix = '';
        // Increment midfix position
        index++;

        // Check for midfix exhaustion
        if (index > muser.length - 1) {
            // Increment affix
            affix += '.';
            // Reset midfix position to min position
            index = pindex;
        }
    }

    // Check for affix overflow
    if (affix.length > 40) {
        // Increment prefix
        prefix += '.';
        // Reset affix
        affix = '';
        // Increment midfix min position
        pindex++;
    }


    // Generate email address
    var addr = '';
        addr += prefix;
        addr += muser.slice(0, index) + midfix + muser.slice(index);
        addr += affix;
        addr += '@' + mhost;

    // Call the next itteration of the loop
    process.nextTick(loop.bind(null, prefix, midfix, index, affix));

    // Generate the URL
    var url = 'https://register.guildwars2.com/ws/account/username';
        url += '?user='  + user;
        url += '&email=' + addr;

    // Get the code
    rest.get(url).once('complete', function(data) {

        // Get the code
        var code = data[0];
        // Log the code
        process.stdout.write(clear(' ', code, '  ', addr));
        // Check for errors or matching codes
        if (code == 'error' || codes.indexOf(code) > -1)
            console.log(clear(' ', code, '  ', addr));

    });

}