<?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
     */
    public function getInstallPath(PackageInterface $package)
    {
        return '';
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Njk4NDA4NzI0OTU1NTIgMzUzMDQ1MTM0NDc5OTc4MyA3NDQ5MzE1MjU1MTMzMDYz