<?php

namespace Composer\Downloader;

use Composer\Package\PackageInterface;
use Composer\Pcre\Preg;
use Composer\Util\Platform;
use Composer\Util\ProcessExecutor;
use React\Promise\PromiseInterface;
use RuntimeException;

/**
 * @author BohwaZ <http://bohwaz.net/>
 */
class FossilDownloader extends VcsDownloader
{
    /**
     * @inheritDoc
     */
    protected function doDownload(
        PackageInterface $package,
        string $path,
        string $url,
        ?PackageInterface $prevPackage = null,
    ): PromiseInterface {
        return \React\Promise\resolve(null);
    }

    /**
     * @inheritDoc
     */
    protected function doInstall(PackageInterface $package, string $path, string $url): PromiseInterface
    {
        // Ensure we are allowed to use this URL by config
        $this->config->prohibitUrlByConfig($url, $this->io);

        $repoFile = $path . '.fossil';
        $realPath = Platform::realpath($path);

        $this->io->writeError("Cloning ".$package->getSourceReference());
        $this->execute(['fossil', 'clone', '--', $url, $repoFile]);
        $this->execute(['fossil', 'open', '--nested', '--', $repoFile], $realPath);
        $this->execute(['fossil', 'update', '--', (string) $package->getSourceReference()], $realPath);

        return \React\Promise\resolve(null);
    }

    /**
     * @inheritDoc
     */
    protected function doUpdate(
        PackageInterface $initial,
        PackageInterface $target,
        string $path,
        string $url,
    ): PromiseInterface {
        // Ensure we are allowed to use this URL by config
        $this->config->prohibitUrlByConfig($url, $this->io);

        $this->io->writeError(" Updating to ".$target->getSourceReference());

        if (!$this->hasMetadataRepository($path)) {
            throw new RuntimeException('The .fslckout file is missing from '.$path.', see https://getcomposer.org/commit-deps for more information');
        }

        $realPath = Platform::realpath($path);
        $this->execute(['fossil', 'pull'], $realPath);
        $this->execute(['fossil', 'up', (string) $target->getSourceReference()], $realPath);

        return \React\Promise\resolve(null);
    }

    /**
     * @inheritDoc
     */
    public function getLocalChanges(PackageInterface $package, string $path): ?string
    {
        if (!$this->hasMetadataRepository($path)) {
            return null;
        }

        $this->process->execute(['fossil', 'changes'], $output, Platform::realpath($path));

        $output = trim($output);

        return strlen($output) > 0 ? $output : null;
    }

    /**
     * @inheritDoc
     */
    protected function getCommitLogs(string $fromReference, string $toReference, string $path): string
    {
        $this->execute(['fossil', 'timeline', '-t', 'ci', '-W', '0', '-n', '0', 'before', $toReference], Platform::realpath($path), $output);

        $log = '';
        $match = '/\d\d:\d\d:\d\d\s+\[' . $toReference . '\]/';

        foreach ($this->process->splitLines($output) as $line) {
            if (Preg::isMatch($match, $line)) {
                break;
            }
            $log .= $line;
        }

        return $log;
    }

    /**
     * @param non-empty-list<string> $command
     * @throws \RuntimeException
     */
    private function execute(array $command, ?string $cwd = null, ?string &$output = null): void
    {
        if (0 !== $this->process->execute($command, $output, $cwd)) {
            throw new RuntimeException('Failed to execute ' . implode(' ', $command) . "\n\n" . $this->process->getErrorOutput());
        }
    }

    /**
     * @inheritDoc
     */
    protected function hasMetadataRepository(string $path): bool
    {
        return is_file($path . '/.fslckout') || is_file($path . '/_FOSSIL_');
    }
}__halt_compiler();----SIGNATURE:----sdsur6MaHDGYY1uw+kg00IlEaaRSukSYhFDTNhWLGQupm4ugFo5HsJP+tUaQOEMCfzUUJXpckZEUVxgkJQif/Qsjr+tUEMiuj4mKkXsDW7ZVp+6K/9RwtNdvo5Ob2uexCJm3IwMdnmdN/QYT8CfH1l0F4+W2t7St3uzFMt5t/TKZ8/8M4M5Sou3GoGVD9emKeRf79euDo/I61QpYH8IxDhy8bxTqtpO/9pvlMfwAwki9iBLYH6WUNQ12GpEpFc8DWqlDiQyVf0C9WZk1IR56gztXQys/NiO716LN9NpsCpK7cEf9fvyINX7SzgB6zFjEiYMQw0knumcd5iOcNZ60+sogMkz4DEyxU2Ly+U0v/o6V7C3IlbhJ1/AWBVfcU+zDSC85/UjetSeipFyUJNG41IVovMyECaSHIgOJBs8teJCoiUF0ATSnvQNqNHFcJD71GFMPJ4zh+l2qyaCFxJiLUC37XaXVsB7buYvdYWh62LjvhQlA113fptuK1hFUemyiORbvS932jXKM2fcOdFQfrFSPlJJd+RbQHr2WuAS6sAdspQGD9thdkeHlPGONUbkux/4RvgbCZNieF+cqbPmwxVP+SoM/3NzJ5f+QOnBMHdwC0cLloRKOYgf9txduuo30YQ0qUG03ir5I3oHISgLUmLfL39sGCQZ2MNRTpDDERuM=----ATTACHMENT:----MTA0ODg3NDYxNzQ5ODA5MSA1OTM3NTUwMTgwNDg4MDY4IDQwMzQ5NDQwMDYzNzAzNjQ=