<?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:----WJb1FtdA8vx6DAqTmsYepOhPepY+cFxA9xOlzsnO50BFut5hcDSntIVi7MDtpiKXlf2JqYmCROYF9neq7slsRgQkHOZPOWQzvk4RJSPjKxPyBbMu0yEbXELQMjmDhlqjUH0+0P1Ua3X0vdHIxEFj11X6hkAlJ4X4liHxhHyZsB1QCXG32M2D7Tts9dNQxSQfZsVYku9UBFxcahpuLPSQpUtjOEb9mBQpqTtJSF92SNH2Q2Y7Dq/rT/yCcauJPNwlXwDF/lMqh5yqbsyRLFxp1x5dcHmUIP4xPv8SQsodbLkoffckCheGlrYkHhpBvnRGNCaHm+MiDGARD0rJhg14mfTVJVKyNZt23xBu3FSglMNK9Y4GlGjFKJxSe0uNnVrrtDjF45efOJRMlwir8IrRD8i3LtFr14yy97zrAmVaSshEUzUzdaeD9TWvDYqGQI/p+dzxsbPmHCWVE+EJDIeybVnX7jI/B7jaLWoGlkmrwfxmifYa3ocwPXIYYPVJm35EurM8NG/gVS214ma7beoBgkcdMdhGAg9RcEfqsw2FL3QTV/vlhfcz1GD2X2KvbT5JDKKDocOoun1NhcXSTdYBcGmckNiSL8pvPyfR+lF1VS2Hs/Zei97tPi8VBQoiZl+LSj1NJw5RQtolJBYni/7Pf3Q9lTflLoUwtwroyOaUaTg=----ATTACHMENT:----OTA5MTUzMTA4MjA5NzAyMCA1NzA3NTYzOTAzMzU2MjgyIDM2Mjg0OTQ4NDAyMjExNA==