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<?php
declare(strict_types=1);
 
namespace App\Tests\Functional;
 
use App\Entity\OustedBook;
use App\Enum\LabelType;
use App\Tests\DatabaseTestCase;
 
final class BookTest extends DatabaseTestCase {
    public function testEmptyListInvitesToAddABook(): void {
        $this->client->request('GET', '/');
 
        self::assertResponseIsSuccessful();
        self::assertSelectorTextContains('.empty-title', 'There are no books');
    }
 
    public function testListIsPaginated(): void {
        for ($id = 1; $id <= 11; ++$id) {
            $this->createBook($id, 'Book ' . $id);
        }
 
        $crawler = $this->client->request('GET', '/list');
        self::assertCount(10, $crawler->filter('.tile'));
 
        $crawler = $this->client->request('GET', '/list?page=2');
        self::assertCount(1, $crawler->filter('.tile'));
    }
 
    public function testBookCanBeAddedWithPrefilledForm(): void {
        $crawler = $this->client->request('GET', '/add/form?id=7&title=Prefilled');
        self::assertResponseIsSuccessful();
 
        $form = $crawler->selectButton('Save')->form();
        self::assertSame('7', $form['book[id]']->getValue());
        self::assertSame('Prefilled', $form['book[title]']->getValue());
 
        $form['book[author]'] = 'Someone';
        $form['book[isbn]'] = '978-83-7384-345-5';
        $this->client->submit($form);
 
        self::assertResponseRedirects('/book/7');
        self::assertSame('9788373843455', $this->findBook(7)?->getIsbn());
    }
 
    public function testIsbnIsStoredAsATypedLabelAndCanBeClearedInTheForm(): void {
        $this->createBook(1)->setIsbn('9788373843455');
        $this->entityManager()->flush();
 
        $book = $this->findBook(1);
        self::assertSame(LabelType::ISBN, $book?->getLabels()->first()->getType());
 
        $crawler = $this->client->request('GET', '/book/1/edit');
        $form = $crawler->selectButton('Save')->form();
        $form['book[isbn]'] = '';
        $this->client->submit($form);
 
        self::assertCount(0, $this->findBook(1)?->getLabels() ?? []);
    }
 
    public function testIsbn10IsSavedAsIsbn13(): void {
        $crawler = $this->client->request('GET', '/add/form');
        $this->client->submit($crawler->selectButton('Save')->form([
            'book[id]' => '1',
            'book[title]' => 'Title',
            'book[author]' => 'Author',
            'book[isbn]' => '0-306-40615-2',
        ]));
 
        self::assertResponseRedirects('/book/1');
        self::assertSame('9780306406157', $this->findBook(1)?->getIsbn());
    }
 
    public function testMalformedIsbnCannotReachTheDatabase(): void {
        $book = new \App\Entity\Book()->setId(1)->setTitle('Title')->setAuthor('Author')->setIsbn('123');
 
        $this->expectException(\DomainException::class);
        $this->entityManager()->persist($book);
    }
 
    public function testInvalidIsbnIsRejected(): void {
        $crawler = $this->client->request('GET', '/add/form');
        $this->client->submit($crawler->selectButton('Save')->form([
            'book[id]' => '1',
            'book[title]' => 'Title',
            'book[author]' => 'Author',
            'book[isbn]' => 'abc',
        ]));
 
        self::assertResponseStatusCodeSame(422);
    }
 
    public function testIdZeroIsAValidSticker(): void {
        $this->createBook(0, 'Zero');
 
        $this->client->request('GET', '/book/0');
 
        self::assertResponseIsSuccessful();
        self::assertSelectorTextContains('h2', 'Zero');
    }
 
    public function testIdMustBeFreeInBothCollections(): void {
        $this->createBook(1);
        $ousted = (new OustedBook('Lost'))->setId(2)->setTitle('Gone')->setAuthor('Someone');
        $this->entityManager()->persist($ousted);
        $this->entityManager()->flush();
 
        foreach ([1, 2] as $id) {
            $crawler = $this->client->request('GET', '/add/form');
            $this->client->submit($crawler->selectButton('Save')->form([
                'book[id]' => (string)$id,
                'book[title]' => 'Duplicate',
                'book[author]' => 'Someone',
            ]));
 
            self::assertResponseStatusCodeSame(422);
            self::assertSelectorTextContains('body', 'already used by another book');
        }
    }
 
    public function testEditKeepsTheId(): void {
        $this->createBook(3, 'Before');
 
        $crawler = $this->client->request('GET', '/book/3/edit');
        $form = $crawler->selectButton('Save')->form();
        $form['book[title]'] = 'After';
        $this->client->submit($form);
 
        self::assertResponseRedirects('/book/3');
        self::assertSame('After', $this->findBook(3)?->getTitle());
    }
 
    public function testUnknownBookIsNotFound(): void {
        $this->client->request('GET', '/book/999');
 
        self::assertResponseStatusCodeSame(404);
    }
 
    public function testPolishIsServedFromAcceptLanguage(): void {
        $this->client->request('GET', '/list', server: ['HTTP_ACCEPT_LANGUAGE' => 'pl']);
 
        self::assertSelectorTextContains('.navbar-brand', 'Biblioteczka');
    }
}