<?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:----MzM4MDczOTA3MTU1Njc4MCAxMTI0NjUzNzk5MzI2Mzk1IDM0NDQwNjQ2ODgwODM3MDA=