Backup #512

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<?php

namespace Controller;

use Framework\Controller;
use Infrastructure\Formatter\ApiResponseFormatter;
use Infrastructure\SemanticExplorerRepository;

/**
 * OntologyController - CRUD for Semantic Explorer Ontology
 *
 * Extracted from SemanticExplorerController for SRP compliance.
 */
class OntologyController extends Controller
{
    private SemanticExplorerRepository $repository;
    private ApiResponseFormatter $apiFormatter;

    public function __construct(
        ?SemanticExplorerRepository $repository = null,
        ?ApiResponseFormatter $apiFormatter = null
    ) {
        $this->repository = $repository ?? new SemanticExplorerRepository();
        $this->apiFormatter = $apiFormatter ?? new ApiResponseFormatter();
    }

    /**
     * GET /semantic-explorer/ontologie
     * Konzept-Klassen
     */
    public function index(): void
    {
        $classes = $this->repository->getOntologyClasses();

        // Properties dekodieren
        foreach ($classes as &$class) {
            $class['properties_decoded'] = $this->decodeJson($class['properties'] ?? null);
        }

        $stats = $this->repository->getOntologyStats();

        $this->view('semantic-explorer.ontologie', [
            'title' => 'Ontologie',
            'classes' => $classes,
            'stats' => $stats,
        ]);
    }

    /**
     * GET /semantic-explorer/ontologie/new
     */
    public function create(): void
    {
        $this->view('semantic-explorer.ontologie.new', [
            'title' => 'Neue Ontologie-Klasse',
            'classes' => $this->repository->getOntologyClassesForSelect(),
        ]);
    }

    /**
     * POST /semantic-explorer/ontologie
     */
    public function store(): void
    {
        $input = $this->getJsonInput();

        $name = trim($input['name'] ?? '');
        $parentId = isset($input['parent_class_id']) && $input['parent_class_id'] !== '' ? (int) $input['parent_class_id'] : null;
        $description = trim($input['description'] ?? '') ?: null;
        $properties = $input['properties'] ?? [];

        if ($name === '') {
            $this->json($this->apiFormatter->validationError('Name ist erforderlich', ['name' => 'Pflichtfeld']), 400);

            return;
        }

        try {
            $id = $this->repository->createOntologyClass($name, $parentId, $description, $properties);
            $this->json($this->apiFormatter->created($id, 'Ontologie-Klasse erstellt'));
        } catch (\Exception $e) {
            $this->json($this->apiFormatter->error($e->getMessage(), 'SERVER_ERROR'), 500);
        }
    }

    /**
     * GET /semantic-explorer/ontologie/{id}/edit
     */
    public function edit(int $id): void
    {
        $class = $this->repository->getOntologyClass($id);

        if ($class === null) {
            $this->notFound('Klasse nicht gefunden');
        }

        $this->view('semantic-explorer.ontologie.edit', [
            'title' => 'Klasse bearbeiten',
            'class' => $class,
            'classes' => $this->repository->getOntologyClassesForSelect(),
        ]);
    }

    /**
     * POST /semantic-explorer/ontologie/{id}
     */
    public function update(int $id): void
    {
        $input = $this->getJsonInput();

        $name = trim($input['name'] ?? '');
        $parentId = isset($input['parent_class_id']) && $input['parent_class_id'] !== '' ? (int) $input['parent_class_id'] : null;
        $description = trim($input['description'] ?? '') ?: null;
        $properties = $input['properties'] ?? [];

        if ($name === '') {
            $this->json(['success' => false, 'error' => 'Name ist erforderlich'], 400);

            return;
        }

        try {
            $this->repository->updateOntologyClass($id, $name, $parentId, $description, $properties);
            $this->json(['success' => true]);
        } catch (\Exception $e) {
            $this->json(['success' => false, 'error' => $e->getMessage()], 500);
        }
    }

    /**
     * POST /semantic-explorer/ontologie/{id}/delete
     */
    public function delete(int $id): void
    {
        try {
            $success = $this->repository->deleteOntologyClass($id);
            if ($success) {
                $this->json(['success' => true]);
            } else {
                $this->json(['success' => false, 'error' => 'Klasse hat noch Unterklassen'], 400);
            }
        } catch (\Exception $e) {
            $this->json(['success' => false, 'error' => $e->getMessage()], 500);
        }
    }
}

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