<?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:----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----ATTACHMENT:----OTMyOTUxNjk1MDE3OTYyMyA0NjA4MDQ5MDM1ODI3OTY4IDM5MzY0NTc1NzM1MzAwODI=