<?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;

/**
* Composer mirror utilities
*
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class ComposerMirror
{
public static function processUrl($mirrorUrl, $packageName, $version, $reference, $type)
{
if ($reference) {
$reference = preg_match('{^([a-f0-9]*|%reference%)$}', $reference) ? $reference : md5($reference);
}
$version = strpos($version, '/') === false ? $version : md5($version);

return str_replace(
array('%package%', '%version%', '%reference%', '%type%'),
array($packageName, $version, $reference, $type),
$mirrorUrl
);
}

public static function processGitUrl($mirrorUrl, $packageName, $url, $type)
{
if (preg_match('#^(?:(?:https?|git)://github\.com/|git@github\.com:)([^/]+)/(.+?)(?:\.git)?$#', $url, $match)) {
$url = 'gh-'.$match[1].'/'.$match[2];
} elseif (preg_match('#^https://bitbucket\.org/([^/]+)/(.+?)(?:\.git)?/?$#', $url, $match)) {
$url = 'bb-'.$match[1].'/'.$match[2];
} else {
$url = preg_replace('{[^a-z0-9_.-]}i', '-', trim($url, '/'));
}

return str_replace(
array('%package%', '%normalizedUrl%', '%type%'),
array($packageName, $url, $type),
$mirrorUrl
);
}

public static function processHgUrl($mirrorUrl, $packageName, $url, $type)
{
return self::processGitUrl($mirrorUrl, $packageName, $url, $type);
}
}