<?php

namespace Drupal\Core\ImageToolkit;

use Drupal\Component\Plugin\Exception\PluginNotFoundException;
use Drupal\Component\Render\FormattableMarkup;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\ImageToolkit\Attribute\ImageToolkitOperation;
use Drupal\Core\Plugin\DefaultPluginManager;
use Psr\Log\LoggerInterface;
use Symfony\Component\DependencyInjection\Attribute\Autowire;

/**
 * Manages toolkit operation plugins.
 *
 * @see \Drupal\Core\ImageToolkit\Annotation\ImageToolkitOperation
 * @see \Drupal\Core\ImageToolkit\ImageToolkitOperationBase
 * @see \Drupal\Core\ImageToolkit\ImageToolkitOperationInterface
 * @see plugin_api
 */
class ImageToolkitOperationManager extends DefaultPluginManager implements ImageToolkitOperationManagerInterface {

  /**
   * A logger instance.
   *
   * @var \Psr\Log\LoggerInterface
   *
   * @deprecated in drupal:11.4.0 and is removed from drupal:13.0.0. There is no replacement.
   *
   * @see https://www.drupal.org/node/3562304
   */
  protected $logger;

  /**
   * The image toolkit manager.
   */
  protected readonly ImageToolkitManager $toolkitManager;

  /**
   * Constructs the ImageToolkitOperationManager object.
   *
   * @param \Traversable $namespaces
   *   An object that implements \Traversable which contains the root paths
   *   keyed by the corresponding namespace to look for plugin implementations.
   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
   *   Cache backend instance to use.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler to invoke the alter hook with.
   * @param \Drupal\Core\ImageToolkit\ImageToolkitManager|\Psr\Log\LoggerInterface $logger
   *   (deprecated) A logger instance.
   * @param \Drupal\Core\ImageToolkit\ImageToolkitManager|null $toolkit_manager
   *   The image toolkit manager.
   */
  public function __construct(
    \Traversable $namespaces,
    CacheBackendInterface $cache_backend,
    ModuleHandlerInterface $module_handler,
    #[Autowire(service: ImageToolkitManager::class)]
    ImageToolkitManager|LoggerInterface $logger,
    ?ImageToolkitManager $toolkit_manager = NULL,
  ) {
    parent::__construct(
      'Plugin/ImageToolkit/Operation',
      $namespaces,
      $module_handler,
      ImageToolkitOperationInterface::class,
      ImageToolkitOperation::class,
      'Drupal\Core\ImageToolkit\Annotation\ImageToolkitOperation',
    );

    $this->alterInfo('image_toolkit_operation');
    $this->setCacheBackend($cache_backend, 'image_toolkit_operation_plugins');

    if ($logger instanceof LoggerInterface) {
      @trigger_error('The $logger argument of ' . __METHOD__ . '() is deprecated in drupal:11.4.0 and the argument is removed from drupal:13.0.0. See https://www.drupal.org/node/3562304', E_USER_DEPRECATED);
      // @phpstan-ignore property.deprecated
      $this->logger = $logger;
      $this->toolkitManager = $toolkit_manager;
    }
    else {
      // @phpstan-ignore property.deprecated
      $this->logger = NULL;
      $this->toolkitManager = $logger;
    }
  }

  /**
   * Returns the plugin ID for a given toolkit and operation.
   *
   * @param \Drupal\Core\ImageToolkit\ImageToolkitInterface $toolkit
   *   The toolkit instance.
   * @param string $operation
   *   The operation (e.g. "crop").
   *
   * @return string
   *   The plugin ID.
   *
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   *   When no plugin is available.
   */
  protected function getToolkitOperationPluginId(ImageToolkitInterface $toolkit, $operation) {
    $toolkit_id = $toolkit->getPluginId();
    $definitions = $this->getDefinitions();

    $definitions = array_filter($definitions,
      function ($definition) use ($toolkit_id, $operation) {
        return $definition['toolkit'] == $toolkit_id && $definition['operation'] == $operation;
      }
    );

    if (!$definitions) {
      // If this image toolkit plugin is a derivative and returns no operation,
      // try once again with its base plugin.
      $base_toolkit_id = $toolkit->getBaseId();
      if (($toolkit_id != $base_toolkit_id) && !empty($base_toolkit_id)) {
        $base_toolkit = $this->toolkitManager->createInstance($base_toolkit_id);
        return $this->getToolkitOperationPluginId($base_toolkit, $operation);
      }

      $message = new FormattableMarkup("No image operation plugin for '@toolkit' toolkit and '@operation' operation.", [
        '@toolkit' => $toolkit_id,
        '@operation' => $operation,
      ]);
      throw new PluginNotFoundException($toolkit_id . '.' . $operation, $message);
    }
    else {
      // Pickup the first plugin found.
      // @todo In https://www.drupal.org/node/2110591 we'll return here the UI
      //   selected plugin or the first found if missed.
      $definition = reset($definitions);
      return $definition['id'];
    }
  }

  /**
   * {@inheritdoc}
   */
  public function createInstance($plugin_id, array $configuration = [], ?ImageToolkitInterface $toolkit = NULL) {
    $instance = parent::createInstance($plugin_id, $configuration);
    $instance->setToolkit($toolkit);
    return $instance;
  }

  /**
   * {@inheritdoc}
   */
  public function getToolkitOperation(ImageToolkitInterface $toolkit, $operation) {
    $plugin_id = $this->getToolkitOperationPluginId($toolkit, $operation);
    return $this->createInstance($plugin_id, [], $toolkit);
  }

}
