<?php

namespace Composer\Installer;

use Composer\DependencyResolver\Operation\InstallOperation;
use Composer\DependencyResolver\Operation\UninstallOperation;
use Composer\DependencyResolver\Operation\UpdateOperation;
use Composer\IO\IOInterface;
use Composer\Package\PackageInterface;
use Composer\Repository\InstalledRepositoryInterface;

/**
 * Metapackage installation manager.
 *
 * @author Martin Hasoň <martin.hason@gmail.com>
 */
class MetapackageInstaller implements InstallerInterface
{
    /** @var IOInterface */
    private $io;

    public function __construct(IOInterface $io)
    {
        $this->io = $io;
    }

    /**
     * @inheritDoc
     */
    public function supports(string $packageType)
    {
        return $packageType === 'metapackage';
    }

    /**
     * @inheritDoc
     */
    public function isInstalled(InstalledRepositoryInterface $repo, PackageInterface $package)
    {
        return $repo->hasPackage($package);
    }

    /**
     * @inheritDoc
     */
    public function download(PackageInterface $package, ?PackageInterface $prevPackage = null)
    {
        // noop
        return \React\Promise\resolve(null);
    }

    /**
     * @inheritDoc
     */
    public function prepare($type, PackageInterface $package, ?PackageInterface $prevPackage = null)
    {
        // noop
        return \React\Promise\resolve(null);
    }

    /**
     * @inheritDoc
     */
    public function cleanup($type, PackageInterface $package, ?PackageInterface $prevPackage = null)
    {
        // noop
        return \React\Promise\resolve(null);
    }

    /**
     * @inheritDoc
     */
    public function install(InstalledRepositoryInterface $repo, PackageInterface $package)
    {
        $this->io->writeError("  - " . InstallOperation::format($package));

        $repo->addPackage(clone $package);

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

    /**
     * @inheritDoc
     */
    public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target)
    {
        if (!$repo->hasPackage($initial)) {
            throw new \InvalidArgumentException('Package is not installed: '.$initial);
        }

        $this->io->writeError("  - " . UpdateOperation::format($initial, $target));

        $repo->removePackage($initial);
        $repo->addPackage(clone $target);

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

    /**
     * @inheritDoc
     */
    public function uninstall(InstalledRepositoryInterface $repo, PackageInterface $package)
    {
        if (!$repo->hasPackage($package)) {
            throw new \InvalidArgumentException('Package is not installed: '.$package);
        }

        $this->io->writeError("  - " . UninstallOperation::format($package));

        $repo->removePackage($package);

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

    /**
     * @inheritDoc
     *
     * @return null
     */
    public function getInstallPath(PackageInterface $package)
    {
        return null;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MjI3OTU5OTk0MDI3NjA2MyA2NTEzMjg3OTE2MDY4OTUxIDM3MzQyMDEyODU0NzAxNTA=