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<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
declare(strict_types=1);

namespace Magento\Setup\Console;

use Magento\Framework\App\Bootstrap;
use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\Console\Exception\GenerationDirectoryAccessException;
use Magento\Framework\Console\GenerationDirectoryAccess;
use Magento\Framework\Exception\FileSystemException;
use Magento\Framework\Filesystem\Driver\File;
use Magento\Framework\Phrase;
use Magento\Setup\Console\Command\DiCompileCommand;
use Magento\Setup\Mvc\Bootstrap\InitParamListener;
use Symfony\Component\Console\Input\ArgvInput;
use Laminas\ServiceManager\ServiceManager;

/**
 * Class prepares folders for code generation
 */
class CompilerPreparation
{
    /**
     * @var ServiceManager
     */
    private $serviceManager;

    /**
     * @var ArgvInput
     */
    private $input;

    /**
     * @var File
     */
    private $filesystemDriver;

    /**
     * @var GenerationDirectoryAccess
     */
    private $generationDirectoryAccess;

    /**
     * @param ServiceManager $serviceManager
     * @param ArgvInput $input
     * @param File $filesystemDriver
     */
    public function __construct(
        ServiceManager $serviceManager,
        ArgvInput $input,
        File $filesystemDriver
    ) {
        $this->serviceManager = $serviceManager;
        $this->input = $input;
        $this->filesystemDriver = $filesystemDriver;
    }

    /**
     * Determine whether a CLI command is for compilation, and if so, clear the directory.
     *
     * @throws GenerationDirectoryAccessException If generation directory is read-only
     * @return void
     */
    public function handleCompilerEnvironment()
    {
        if (!$this->shouldInvalidateCompiledDI()) {
            return;
        }
        if (!$this->getGenerationDirectoryAccess()->check()) {
            throw new GenerationDirectoryAccessException();
        }

        $mageInitParams = $this->serviceManager->get(InitParamListener::BOOTSTRAP_PARAM);
        $mageDirs = isset($mageInitParams[Bootstrap::INIT_PARAM_FILESYSTEM_DIR_PATHS])
            ? $mageInitParams[Bootstrap::INIT_PARAM_FILESYSTEM_DIR_PATHS]
            : [];
        $directoryList = new DirectoryList(BP, $mageDirs);
        $compileDirList = [
            $directoryList->getPath(DirectoryList::GENERATED_CODE),
            $directoryList->getPath(DirectoryList::GENERATED_METADATA),
        ];

        foreach ($compileDirList as $compileDir) {
            if ($this->filesystemDriver->isExists($compileDir)) {
                $this->filesystemDriver->deleteDirectory($compileDir);
            }
        }
    }

    /**
     * Retrieves command list with commands which invalidates compiler
     *
     * @return array
     */
    private function getCompilerInvalidationCommands()
    {
        return [
            DiCompileCommand::NAME,
            'module:disable',
            'module:enable',
            'module:uninstall',
        ];
    }

    /**
     * Retrieves generation directory access checker.
     *
     * @return GenerationDirectoryAccess the generation directory access checker
     */
    private function getGenerationDirectoryAccess()
    {
        if (null === $this->generationDirectoryAccess) {
            $this->generationDirectoryAccess = new GenerationDirectoryAccess($this->serviceManager);
        }

        return $this->generationDirectoryAccess;
    }

    /**
     * Checks if the command being executed should invalidate compiled DI.
     *
     * @return bool
     */
    private function shouldInvalidateCompiledDI(): bool
    {
        $compilationCommands = $this->getCompilerInvalidationCommands();
        $cmdName = $this->input->getFirstArgument();
        $isHelpOption = $this->input->hasParameterOption('--help') || $this->input->hasParameterOption('-h');
        $invalidate = false;
        if (!$isHelpOption) {
            $invalidate = in_array($cmdName, $compilationCommands);
            if (!$invalidate) {
                // Check if it's an abbreviation of compilation commands.
                $expr = preg_replace_callback(
                    '{([^:]+|)}',
                    function ($matches) {
                        return preg_quote($matches[1]) . '[^:]*';
                    },
                    ($cmdName ?? '')
                );
                $commands = preg_grep('{^' . $expr . '$}', $compilationCommands);
                if (empty($commands)) {
                    $commands = preg_grep('{^' . $expr . '$}i', $compilationCommands);
                }
                if (count($commands) === 1) {
                    $invalidate = true;
                }
            }
        }

        return $invalidate;
    }
}