<?php
declare(strict_types=1);

namespace App\Tests\Functional;

use App\Entity\OustedBook;
use App\Tests\DatabaseTestCase;
use Symfony\Component\DomCrawler\Crawler;

final class BulkOustTest extends DatabaseTestCase {
	protected function setUp(): void {
		parent::setUp();

		$this->createBook(1, 'Never seen');
		$this->createBook(2, 'Seen long ago')->setLastSeen(new \DateTimeImmutable('2026-01-10 12:00'));
		$this->createBook(3, 'Seen on the day')->setLastSeen(new \DateTimeImmutable('2026-11-01 00:00'));
		$this->createBook(4, 'Seen later')->setLastSeen(new \DateTimeImmutable('2026-11-05 18:00'));
		$this->createBook(5, 'Lent out')->lendTo('A Reader', new \DateTimeImmutable('2026-01-01'));
		$this->entityManager()->flush();
	}

	public function testPreviewListsBooksNotSeenSinceTheDate(): void {
		$crawler = $this->preview('2026-11-01');

		self::assertResponseIsSuccessful();
		self::assertSame([1, 2], $crawler->filter('.results .tile .label-primary')->each(static fn($node): int => (int)$node->text()));
		self::assertSelectorTextContains('.bulk-oust-confirm', '2 books were not seen on or after 2026-11-01');
		self::assertSelectorTextContains('.bulk-oust-borrowed', '1 borrowed books');
		self::assertNotNull($this->findBook(1));
	}

	public function testConfirmingOustsTheListedBooks(): void {
		$crawler = $this->preview('2026-11-01');
		$this->client->submit($crawler->selectButton('Take them all out')->form());

		self::assertResponseRedirects('/ousted');
		$this->client->followRedirect();
		self::assertSelectorTextContains('.flash', '2 books have been taken out');

		self::assertNull($this->findBook(1));
		self::assertNull($this->findBook(2));
		self::assertNotNull($this->findBook(3));
		self::assertNotNull($this->findBook(4));
		self::assertNotNull($this->findBook(5));
		self::assertSame('Inventory 2026', $this->entityManager()->find(OustedBook::class, 2)?->getReason());
	}

	public function testNothingIsOustedIfTheSelectionChanged(): void {
		$crawler = $this->preview('2026-11-01');
		$form = $crawler->selectButton('Take them all out')->form();

		// One book found and another added: the count stays the same, the books do not.
		$this->findBook(2)?->setLastSeen(new \DateTimeImmutable('2026-11-02'));
		$this->entityManager()->flush();
		$this->createBook(6, 'Added meanwhile');
		$this->client->submit($form);

		self::assertResponseRedirects();
		$this->client->followRedirect();
		self::assertSelectorTextContains('.flash', 'has changed');
		self::assertNotNull($this->findBook(1));
		self::assertNotNull($this->findBook(6));
	}

	public function testConfirmationRequiresAValidCsrfToken(): void {
		$this->client->request('POST', '/ousted/bulk', ['bulk_oust' => [
			'notSeenSince' => '2026-11-01',
			'reason' => 'Forged',
			'selection' => 'anything',
			'_token' => 'forged',
		]]);

		self::assertResponseRedirects('/ousted/bulk');
		self::assertNotNull($this->findBook(1));
	}

	public function testPreviewWithNothingToOust(): void {
		$this->findBook(1)?->setLastSeen(new \DateTimeImmutable('2026-03-01'));
		$this->entityManager()->flush();

		$this->preview('2026-01-01');

		self::assertSelectorTextContains('.toast-success', 'Every book on the shelves was seen');
		self::assertSelectorNotExists('.bulk-oust-confirm');
	}

	private function preview(string $date): Crawler {
		$crawler = $this->client->request('GET', '/ousted/bulk');

		return $this->client->submit($crawler->selectButton('Show the books')->form([
			'bulk_oust[notSeenSince]' => $date,
			'bulk_oust[reason]' => 'Inventory 2026',
		]));
	}
}