<?php

declare(strict_types=1);

namespace App\Controller\Administrative\Statistics;

use App\Form\StatisticsFilterType;
use App\Repository\FeedbackRepository;
use App\Service\Common\StatisticsFilterHandler;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Security\Http\Attribute\IsGranted;

class FeedbackRatingsController extends AbstractController
{
    public function __construct(
        private readonly StatisticsFilterHandler $filterHandler,
        private readonly FeedbackRepository $feedbackRepository,
    ) {
    }

    #[Route('/administrative/statistics/feedback-ratings', name: 'app_administrative_statistics_feedback_ratings')]
    #[IsGranted('ROLE_ADMINISTRATIVE')]
    public function index(Request $request): Response
    {
        $filterDto = $this->filterHandler->getFilterSettings();

        $form = $this->createForm(StatisticsFilterType::class, $filterDto);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $filterDto = $this->filterHandler->handleRequest($form);
        }

        $statistics = $this->feedbackRepository->getAverageRatingsByQuestionAndFeedbackSet(
            $filterDto->getEffectiveDateFrom(),
            $filterDto->getEffectiveDateTo(),
        );

        // Prepare chart data for each feedback set
        $chartsData = [];
        foreach ($statistics as $stat) {
            $feedbackSet = $stat['feedbackSet'];
            $questions = $feedbackSet->getRatings();
            $averages = $stat['averages'];

            // Build labels (1, 2, 3, ...) for x-axis
            $labels = [];
            $data = [];
            foreach ($questions as $index => $question) {
                $labels[] = (string) ($index + 1);
                $data[] = $averages[$index] ?? 0.0;
            }

            $chartsData[] = [
                'feedbackSet' => $feedbackSet,
                'labels' => $labels,
                'data' => $data,
                'questions' => $questions,
                'count' => $stat['count'],
            ];
        }

        return $this->render('administrative/statistics/feedback_ratings.html.twig', [
            'form' => $form->createView(),
            'filterDto' => $filterDto,
            'chartsData' => $chartsData,
        ]);
    }
}