<?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)
	{
		return \React\Promise\resolve(null);
	}


	/**
	 * @inheritDoc
	 */
	public function prepare($type, PackageInterface $package, ?PackageInterface $prevPackage = null)
	{
		return \React\Promise\resolve(null);
	}


	/**
	 * @inheritDoc
	 */
	public function cleanup($type, PackageInterface $package, ?PackageInterface $prevPackage = null)
	{
		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:----MTE0NDQzNjIwMDI4MTkyNyA4ODU4OTM2OTAyMDA4MzQ1IDQ2NTk1OTk5MzA2MjMwNjU=