<?php

declare(strict_types=1);

namespace Mummert\FlipbookBundle\Controller\ContentElement;

use Contao\ContentModel;
use Contao\CoreBundle\Controller\ContentElement\AbstractContentElementController;
use Contao\CoreBundle\DependencyInjection\Attribute\AsContentElement;
use Contao\CoreBundle\Twig\FragmentTemplate;
use Contao\FilesModel;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

#[AsContentElement(type: 'blatterbares_pdf', category: 'media', template: 'content_element/blatterbares_pdf')]
class BlatterbaresPdfController extends AbstractContentElementController
{
    protected function getResponse(FragmentTemplate $template, ContentModel $model, Request $request): Response
    {
        $template->set('pdfUrl', $this->resolvePdfUrl($model));
        $template->set('showNavigation', '1' === (string) ($model->flipbookShowNavigation ?? '1'));
        $template->set('playTurnSound', '1' === (string) ($model->flipbookPlaySound ?? '1'));
        $template->set('splitSpreads', '1' === (string) ($model->flipbookSplitSpreads ?? '0'));
        $template->set('initialRenderPages', $this->normalizeInitialRenderPages((string) ($model->flipbookInitialPages ?? '4')));
        $template->set('startMode', $this->normalizeStartMode((string) ($model->flipbookStartMode ?? 'center')));

        return $template->getResponse();
    }

    private function resolvePdfUrl(ContentModel $model): string
    {
        $uuid = (string) ($model->flipbookPdfSrc ?? '');

        if ('' === $uuid) {
            return '';
        }

        $fileModel = FilesModel::findByUuid($uuid);

        if (null === $fileModel) {
            return '';
        }

        $path = trim((string) $fileModel->path, '/');

        if ('' === $path || !str_ends_with(strtolower($path), '.pdf')) {
            return '';
        }

        return '/'.implode('/', array_map('rawurlencode', explode('/', $path)));
    }

    private function normalizeInitialRenderPages(string $value): int
    {
        $count = (int) $value;

        if ($count < 2) {
            return 2;
        }

        if ($count > 4) {
            return 4;
        }

        return $count;
    }

    private function normalizeStartMode(string $value): string
    {
        if ('spread' === $value || 'cover' === $value) {
            return 'spread';
        }

        return 'center';
    }
}