<?php
declare(strict_types=1);

namespace App\Controller;

use App\Entity\Book;
use App\Form\CoverType;
use App\Service\CoverProcessingException;
use App\Service\CoverStorage;
use App\Service\Library;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\BinaryFileResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Routing\Requirement\Requirement;

class CoverController extends AbstractController {
	#[Route('/cover/{name}', name: 'cover_original', requirements: ['name' => '[0-9a-f]{32}\.(jpg|png|webp)'], methods: ['GET'])]
	public function original(string $name, CoverStorage $covers): Response {
		$path = $covers->originalPath($name);

		if (!is_file($path)) {
			throw $this->createNotFoundException();
		}

		$response = new BinaryFileResponse($path);
		$response->headers->set('X-Content-Type-Options', 'nosniff');

		return $response;
	}

	#[Route('/book/{id}/cover', name: 'cover_upload', requirements: ['id' => Requirement::DIGITS], methods: ['POST'])]
	public function upload(Request $request, Book $book, Library $library): Response {
		$form = $this->createForm(CoverType::class);
		$form->handleRequest($request);

		if (!$form->isSubmitted()) {
			$this->addFlash('error', 'cover_too_large');
		} elseif (!$form->isValid()) {
			$this->addFlash('error', $form->getErrors(true)->current()->getMessage());
		} else {
			try {
				$library->changeCover($book, $form->getData()['cover']);
				$this->addFlash('success', 'cover_saved');
			} catch (CoverProcessingException) {
				$this->addFlash('error', 'cover_failed');
			}
		}

		return $this->redirectToRoute('book_show', ['id' => $book->getId()]);
	}

	#[Route('/book/{id}/cover/remove', name: 'cover_remove', requirements: ['id' => Requirement::DIGITS], methods: ['POST'])]
	public function remove(Request $request, Book $book, Library $library): Response {
		if ($this->isCsrfTokenValid('remove-cover' . $book->getId(), $request->getPayload()->getString('_token'))) {
			$library->changeCover($book, null);
		} else {
			$this->addFlash('error', 'action_rejected');
		}

		return $this->redirectToRoute('book_show', ['id' => $book->getId()]);
	}
}