<?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:----NTAxNjc4Njg4NzY0ODQ4OSA0Mjg1NTc3MjI2MjEyNjU4IDI4NDQ0NzU1OTUzOTYxOTY=