<?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:----NjEwMDk0NTI5MDA0MDI2MCA1MzQ2NjUwNjA0ODY2NTAgODY0NTUxNzY0Njc1OTc5MA==