<?php

declare(strict_types=1);

namespace App\Controller\Admin;

use App\Security\ApplicationRoles;
use App\Service\Admin\EvalAdminService;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;

#[Route('/admin/evals')]
final class AdminEvalController extends AbstractController
{
    #[Route('/', name: 'admin_evals_index', methods: ['GET'])]
    public function index(Request $request, EvalAdminService $evals): Response
    {
        $this->denyAccessUnlessGranted(ApplicationRoles::ROLE_KNOWLEDGE_ADMIN);

        $selectedType = trim((string) $request->query->get('type', ''));
        if ($selectedType === '' || !in_array($selectedType, $evals->supportedTypeNames(), true)) {
            $selectedType = 'retrieval';
        }

        return $this->render('admin/evals/index.html.twig', [
            'types' => $evals->supportedTypes(),
            'overview' => $evals->overview(),
            'cases_by_type' => $evals->casesByType(),
            'selected_type' => $selectedType,
            'selected_report' => $evals->readTypeReport($selectedType),
            'last_report' => $evals->readLastReport(),
        ]);
    }

    #[Route('/run', name: 'admin_evals_run', methods: ['POST'])]
    public function run(Request $request, EvalAdminService $evals): Response
    {
        $this->denyAccessUnlessGranted(ApplicationRoles::ROLE_KNOWLEDGE_ADMIN);

        if (!$this->isCsrfTokenValid('admin_eval_run', (string) $request->request->get('_token'))) {
            throw $this->createAccessDeniedException();
        }

        $type = trim((string) $request->request->get('type', 'retrieval'));
        $caseId = trim((string) $request->request->get('case_id', ''));

        try {
            $report = $evals->run($type, $caseId !== '' ? $caseId : null);
            $type = trim((string) ($report['type'] ?? $type));

            $this->addFlash(
                ((int) ($report['failed'] ?? 0)) === 0 ? 'success' : 'danger',
                sprintf(
                    'Eval %s abgeschlossen: %d/%d bestanden.',
                    $type,
                    (int) ($report['passed'] ?? 0),
                    (int) ($report['total'] ?? 0)
                )
            );
        } catch (\Throwable $e) {
            $this->addFlash('danger', $e->getMessage());
        }

        return $this->redirectToRoute('admin_evals_index', [
            'type' => $type,
        ]);
    }

    #[Route('/case/create', name: 'admin_evals_case_create', methods: ['POST'])]
    public function createCase(Request $request, EvalAdminService $evals): Response
    {
        $this->denyAccessUnlessGranted(ApplicationRoles::ROLE_KNOWLEDGE_ADMIN);

        if (!$this->isCsrfTokenValid('admin_eval_case_create', (string) $request->request->get('_token'))) {
            throw $this->createAccessDeniedException();
        }

        $type = trim((string) $request->request->get('type', 'retrieval'));

        try {
            $created = $evals->createCase(
                type: $type,
                id: (string) $request->request->get('id', ''),
                prompt: (string) $request->request->get('prompt', ''),
                assertJson: (string) $request->request->get('assert_json', ''),
                historyJson: (string) $request->request->get('history_json', ''),
                requestContextHint: (string) $request->request->get('request_context_hint', ''),
            );

            $type = (string) ($created['type'] ?? $type);

            $this->addFlash(
                'success',
                sprintf('Eval-Case "%s" wurde in %s.ndjson gespeichert.', (string) ($created['id'] ?? ''), $type)
            );
        } catch (\Throwable $e) {
            $this->addFlash('danger', $e->getMessage());
        }

        if (!in_array($type, $evals->supportedTypeNames(), true)) {
            $type = 'retrieval';
        }

        return $this->redirectToRoute('admin_evals_index', [
            'type' => $type,
        ]);
    }

}