<?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Util;

use Composer\Config;
use Composer\IO\IOInterface;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class AuthHelper
{
    protected $io;
    protected $config;

    public function __construct(IOInterface $io, Config $config)
    {
        $this->io = $io;
        $this->config = $config;
    }

    public function storeAuth($originUrl, $storeAuth)
    {
        $store = false;
        $configSource = $this->config->getAuthConfigSource();
        if ($storeAuth === true) {
            $store = $configSource;
        } elseif ($storeAuth === 'prompt') {
            $answer = $this->io->askAndValidate(
                'Do you want to store credentials for '.$originUrl.' in '.$configSource->getName().' ? [Yn] ',
                function ($value) {
                    $input = strtolower(substr(trim($value), 0, 1));
                    if (in_array($input, array('y','n'))) {
                        return $input;
                    }
                    throw new \RuntimeException('Please answer (y)es or (n)o');
                },
                null,
                'y'
            );

            if ($answer === 'y') {
                $store = $configSource;
            }
        }
        if ($store) {
            $store->addConfigSetting(
                'http-basic.'.$originUrl,
                $this->io->getAuthentication($originUrl)
            );
        }
    }
}