<?php

namespace Infrastructure\Composer;

use Composer\Installer\InstallationManager;
use Composer\Package\CompletePackage;
use Composer\Repository\InstalledFilesystemRepository;
use Composer\Script\Event;
use Composer\Util\Filesystem as ComposerFilesystem;
use Symfony\Component\Filesystem\Filesystem;

abstract class PathRepositoryScript
{
    public static function resolvePath(Event $event)
    {
        $composer = $event->getComposer();

        /** @var InstalledFilesystemRepository $local */
        $local = $composer->getRepositoryManager()->getLocalRepository();
        /** @var InstallationManager $installer */
        $installer = $composer->getInstallationManager();

        $pathPackages = [];
        foreach ($local->getPackages() as $package) {
            if ('path' === $package->getDistType()) {
                $pathPackages[] = $package;
            }
        }

        $fs = new Filesystem();
        $fsUtils = new ComposerFilesystem();

        /** @var CompletePackage $package */
        foreach ($pathPackages as $package) {
            $packagePath = realpath($package->getDistUrl());

            if (false === $packagePath || !is_dir($packagePath)) {
                throw new \RuntimeException(sprintf(
                    'Path "%s" is not found',
                    $packagePath
                ));
            }

            $installationPath = $installer->getInstallPath($package);

            $fsUtils->removeDirectory($installationPath);

            if ($event->isDevMode()) {
                $shortestPath = $fsUtils->findShortestPath($installationPath, $packagePath);
                $fs->symlink($shortestPath, $installationPath);

                $event->getIO()->write(
                    sprintf('    Symlinked package: %s', $package->getName()),
                    true
                );
            } else {
                $fs->mirror($packagePath, $installationPath);

                $event->getIO()->write(
                    sprintf('    Mirrored package: %s', $package->getName()),
                    true
                );
            }
        }
    }
}