<?php
declare(strict_types=1);

namespace App\Controller;

use App\Entity\Book;
use App\Form\AddLabelType;
use App\Form\BookType;
use App\Form\BorrowType;
use App\Form\CoverType;
use App\Form\OustType;
use App\Repository\BookRepository;
use App\Service\Library;
use Doctrine\ORM\EntityManagerInterface;
use Knp\Component\Pager\PaginatorInterface;
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\Routing\Requirement\Requirement;

class BookController extends AbstractController {
	#[Route('/', name: 'home', methods: ['GET'])]
	#[Route('/list', name: 'book_list', methods: ['GET'])]
	public function list(Request $request, BookRepository $books, PaginatorInterface $paginator): Response {
		return $this->render('book/list.html.twig', [
			'pagination' => $paginator->paginate(
				$books->createListQueryBuilder(),
				max(1, $request->query->getInt('page', 1)),
			),
		]);
	}

	#[Route('/book/{id}', name: 'book_show', requirements: ['id' => Requirement::DIGITS], methods: ['GET'])]
	public function show(Book $book): Response {
		return $this->render('book/show.html.twig', [
			'book' => $book,
			'borrow_form' => $this->createForm(BorrowType::class, null, [
				'action' => $this->generateUrl('book_lend', ['id' => $book->getId()]),
			]),
			'cover_form' => $this->createForm(CoverType::class, null, [
				'action' => $this->generateUrl('cover_upload', ['id' => $book->getId()]),
			]),
			'label_form' => $this->createForm(AddLabelType::class, null, [
				'action' => $this->generateUrl('label_add', ['id' => $book->getId()]),
			]),
			'oust_form' => $this->createForm(OustType::class, null, [
				'action' => $this->generateUrl('book_oust', ['id' => $book->getId()]),
			]),
		]);
	}

	#[Route('/add', name: 'book_add', methods: ['GET'])]
	public function add(): Response {
		return $this->render('book/add.html.twig');
	}

	#[Route('/add/form', name: 'book_new', methods: ['GET', 'POST'])]
	public function new(Request $request, EntityManagerInterface $entityManager, Library $library): Response {
		$book = $this->prefilledBook($request);
		$form = $this->createForm(BookType::class, $book, ['validation_groups' => ['Default', 'creation']]);
		$form->handleRequest($request);

		if ($form->isSubmitted() && $form->isValid()) {
			$entityManager->persist($book);
			$entityManager->flush();
			$this->addFlash('success', 'book_saved');

			if ($library->downloadCover($book)) {
				$this->addFlash('success', 'cover_downloaded');
			}

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

		return $this->render('book/new.html.twig', ['form' => $form]);
	}

	#[Route('/book/{id}/edit', name: 'book_edit', requirements: ['id' => Requirement::DIGITS], methods: ['GET', 'POST'])]
	public function edit(Request $request, Book $book, EntityManagerInterface $entityManager): Response {
		$form = $this->createForm(BookType::class, $book, ['lock_id' => true]);
		$form->handleRequest($request);

		if ($form->isSubmitted() && $form->isValid()) {
			$entityManager->flush();
			$this->addFlash('success', 'book_saved');

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

		return $this->render('book/edit.html.twig', ['book' => $book, 'form' => $form]);
	}

	private function prefilledBook(Request $request): Book {
		$query = $request->query;
		$id = $query->get('id', '');
		$year = $query->get('publicationYear', '');

		return (new Book())
			->setId(ctype_digit($id) ? (int)$id : null)
			->setTitle($query->get('title'))
			->setAuthor($query->get('author'))
			->setLanguage($query->get('language'))
			->setPublisher($query->get('publisher'))
			->setPublicationLoc($query->get('publicationLoc'))
			->setPublicationYear(ctype_digit($year) ? (int)$year : null)
			->setIsbn($query->get('isbn'))
			->setIssn($query->get('issn'));
	}
}