<?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\Command;

use Composer\Package\CompletePackageInterface;
use Composer\Package\AliasPackage;
use Composer\Repository\CompositeRepository;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

/**
* @author Nicolas Grekas <p@tchwork.com>
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class FundCommand extends BaseCommand
{
protected function configure()
{
$this->setName('fund')
->setDescription('Discover how to help fund the maintenance of your dependencies.')
;
}

protected function execute(InputInterface $input, OutputInterface $output)
{
$composer = $this->getComposer();

$repo = $composer->getRepositoryManager()->getLocalRepository();
$remoteRepos = new CompositeRepository($composer->getRepositoryManager()->getRepositories());
$fundings = array();
foreach ($repo->getPackages() as $package) {
if ($package instanceof AliasPackage) {
continue;
}
$latest = $remoteRepos->findPackage($package->getName(), 'dev-master');
if ($latest instanceof CompletePackageInterface && $latest->getFunding()) {
$fundings = $this->insertFundingData($fundings, $latest);
continue;
}
if ($package instanceof CompletePackageInterface && $package->getFunding()) {
$fundings = $this->insertFundingData($fundings, $package);
}
}

ksort($fundings);

$io = $this->getIO();

if ($fundings) {
$prev = null;

$io->write('The following packages were found in your dependencies which publish funding information:');

foreach ($fundings as $vendor => $links) {
$io->write('');
$io->write(sprintf("<comment>%s</comment>", $vendor));
foreach ($links as $url => $packages) {
$line = sprintf(' <info>%s</info>', implode(', ', $packages));

if ($prev !== $line) {
$io->write($line);
$prev = $line;
}

$io->write(sprintf(' %s', $url));
}
}

$io->write("");
$io->write("Please consider following these links and sponsoring the work of package authors!");
$io->write("Thank you!");
} else {
$io->write("No funding links were found in your package dependencies. This doesn't mean they don't need your support!");
}

return 0;
}

private function insertFundingData(array $fundings, CompletePackageInterface $package)
{
foreach ($package->getFunding() as $fundingOption) {
list($vendor, $packageName) = explode('/', $package->getPrettyName());
// ignore malformed funding entries
if (empty($fundingOption['url'])) {
continue;
}
$url = $fundingOption['url'];
if (!empty($fundingOption['type']) && $fundingOption['type'] === 'github' && preg_match('{^https://github.com/([^/]+)$}', $url, $match)) {
$url = 'https://github.com/sponsors/'.$match[1];
}
$fundings[$vendor][$url][] = $packageName;
}

return $fundings;
}
}