<?php

declare (strict_types=1);
namespace LassoLiteVendor\Bamarni\Composer\Bin\Command;

use LassoLiteVendor\Bamarni\Composer\Bin\Config\Config;
use LassoLiteVendor\Bamarni\Composer\Bin\Config\ConfigFactory;
use LassoLiteVendor\Bamarni\Composer\Bin\ApplicationFactory\FreshInstanceApplicationFactory;
use LassoLiteVendor\Bamarni\Composer\Bin\Input\BinInputFactory;
use LassoLiteVendor\Bamarni\Composer\Bin\Logger;
use LassoLiteVendor\Bamarni\Composer\Bin\ApplicationFactory\NamespaceApplicationFactory;
use LassoLiteVendor\Composer\Command\BaseCommand;
use LassoLiteVendor\Composer\Factory;
use LassoLiteVendor\Composer\IO\IOInterface;
use LassoLiteVendor\Composer\IO\NullIO;
use LassoLiteVendor\Symfony\Component\Console\Application;
use LassoLiteVendor\Symfony\Component\Console\Input\InputArgument;
use LassoLiteVendor\Symfony\Component\Console\Input\InputInterface;
use LassoLiteVendor\Symfony\Component\Console\Output\OutputInterface;
use Throwable;
use function chdir;
use function count;
use function file_exists;
use function file_put_contents;
use function getcwd;
use function glob;
use function min;
use function mkdir;
use function putenv;
use function sprintf;
use const GLOB_ONLYDIR;
/**
 * @final Will be final in 2.x.
 */
class BinCommand extends BaseCommand
{
    private const ALL_NAMESPACES = 'all';
    private const NAMESPACE_ARG = 'namespace';
    /**
     * @var NamespaceApplicationFactory
     */
    private $applicationFactory;
    /**
     * @var Logger
     */
    private $logger;
    public function __construct(?NamespaceApplicationFactory $applicationFactory = null, ?Logger $logger = null)
    {
        parent::__construct('bin');
        $this->applicationFactory = $applicationFactory ?? new FreshInstanceApplicationFactory();
        $this->logger = $logger ?? new Logger(new NullIO());
    }
    protected function configure() : void
    {
        $this->setDescription('Run a command inside a bin namespace')->addArgument(self::NAMESPACE_ARG, InputArgument::REQUIRED)->ignoreValidationErrors();
    }
    public function setIO(IOInterface $io) : void
    {
        parent::setIO($io);
        $this->logger = new Logger($io);
    }
    public function getIO() : IOInterface
    {
        $io = parent::getIO();
        $this->logger = new Logger($io);
        return $io;
    }
    public function isProxyCommand() : bool
    {
        return \true;
    }
    public function execute(InputInterface $input, OutputInterface $output) : int
    {
        // Switch to requireComposer() once Composer 2.3 is set as the minimum
        $config = Config::fromComposer($this->getComposer());
        $currentWorkingDir = getcwd();
        $this->logger->logDebug(sprintf('Current working directory: <comment>%s</comment>', $currentWorkingDir));
        // Ensures Composer is reset – we are setting some environment variables
        // & co. so a fresh Composer instance is required.
        $this->resetComposers();
        $this->configureBinLinksDir($config);
        $vendorRoot = $config->getTargetDirectory();
        $namespace = $input->getArgument(self::NAMESPACE_ARG);
        $binInput = BinInputFactory::createInput($namespace, $input);
        return self::ALL_NAMESPACES !== $namespace ? $this->executeInNamespace($currentWorkingDir, $vendorRoot . '/' . $namespace, $binInput, $output) : $this->executeAllNamespaces($currentWorkingDir, $vendorRoot, $binInput, $output);
    }
    /**
     * @return list<string>
     */
    private static function getBinNamespaces(string $binVendorRoot) : array
    {
        return glob($binVendorRoot . '/*', GLOB_ONLYDIR);
    }
    private function executeAllNamespaces(string $originalWorkingDir, string $binVendorRoot, InputInterface $input, OutputInterface $output) : int
    {
        $namespaces = self::getBinNamespaces($binVendorRoot);
        if (count($namespaces) === 0) {
            $this->logger->logStandard('<warning>Could not find any bin namespace.</warning>');
            // Is a valid scenario: the user may not have set up any bin
            // namespace yet
            return self::SUCCESS;
        }
        $exitCode = self::SUCCESS;
        foreach ($namespaces as $namespace) {
            $exitCode += $this->executeInNamespace($originalWorkingDir, $namespace, $input, $output);
        }
        return min($exitCode, self::FAILURE);
    }
    private function executeInNamespace(string $originalWorkingDir, string $namespace, InputInterface $input, OutputInterface $output) : int
    {
        $this->logger->logStandard(sprintf('Checking namespace <comment>%s</comment>', $namespace));
        try {
            self::createNamespaceDirIfDoesNotExist($namespace);
        } catch (CouldNotCreateNamespaceDir $exception) {
            $this->logger->logStandard(sprintf('<warning>%s</warning>', $exception->getMessage()));
            return self::FAILURE;
        }
        // Use a new application: this avoids a variety of issues:
        // - A command may be added in a namespace which may cause side effects
        //   when executed in another namespace afterwards (since it is the same
        //   process).
        // - Different plugins may be registered in the namespace in which case
        //   an already executed application will not pick that up.
        $namespaceApplication = $this->applicationFactory->create($this->getApplication());
        // It is important to clean up the state either for follow-up plugins
        // or for example the execution in the next namespace.
        $cleanUp = function () use($originalWorkingDir) : void {
            $this->chdir($originalWorkingDir);
            $this->resetComposers();
        };
        $this->chdir($namespace);
        $this->ensureComposerFileExists();
        $namespaceInput = BinInputFactory::createNamespaceInput($input);
        $this->logger->logDebug(sprintf('Running <info>`@composer %s`</info>.', $namespaceInput->__toString()));
        try {
            $exitCode = $namespaceApplication->doRun($namespaceInput, $output);
        } catch (Throwable $executionFailed) {
            // Ensure we do the cleanup even in case of failure
            $cleanUp();
            throw $executionFailed;
        }
        $cleanUp();
        return $exitCode;
    }
    /**
     * @throws CouldNotCreateNamespaceDir
     */
    private static function createNamespaceDirIfDoesNotExist(string $namespace) : void
    {
        if (file_exists($namespace)) {
            return;
        }
        $mkdirResult = mkdir($namespace, 0777, \true);
        if (!$mkdirResult && !\is_dir($namespace)) {
            throw CouldNotCreateNamespaceDir::forNamespace($namespace);
        }
    }
    private function configureBinLinksDir(Config $config) : void
    {
        if (!$config->binLinksAreEnabled()) {
            return;
        }
        $binDir = ConfigFactory::createConfig()->get('bin-dir');
        putenv(sprintf('COMPOSER_BIN_DIR=%s', $binDir));
        $this->logger->logDebug(sprintf('Configuring bin directory to <comment>%s</comment>.', $binDir));
    }
    private function ensureComposerFileExists() : void
    {
        // Some plugins require access to the Composer file e.g. Symfony Flex
        $namespaceComposerFile = Factory::getComposerFile();
        if (file_exists($namespaceComposerFile)) {
            return;
        }
        file_put_contents($namespaceComposerFile, '{}');
        $this->logger->logDebug(sprintf('Created the file <comment>%s</comment>.', $namespaceComposerFile));
    }
    private function resetComposers() : void
    {
        $this->getApplication()->resetComposer();
        foreach ($this->getApplication()->all() as $command) {
            if ($command instanceof BaseCommand) {
                $command->resetComposer();
            }
        }
    }
    private function chdir(string $dir) : void
    {
        chdir($dir);
        $this->logger->logDebug(sprintf('Changed current directory to <comment>%s</comment>.', $dir));
    }
}
