<?php

namespace Tests\Feature;

use App\Auth\CreateSessionDto;
use App\Auth\SessionRepository;
use App\Element\CreateElementDto;
use App\Element\ElementRepository;
use App\Set\CreateSetDto;
use App\Set\SetRepository;
use App\Shared\ValueObject\EmailAddress;
use App\User\CreateUserDto;
use App\User\UserRepository;
use DateTimeImmutable;
use DateTimeZone;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;
use Tests\TestCase;

class SetsEndpointTest extends TestCase
{
    use RefreshDatabase;

    public function testReturnsAllSets(): void
    {
        $setRepository = app(SetRepository::class);
        $elementRepository = app(ElementRepository::class);
        $baderechSet = $setRepository->create(new CreateSetDto(
            name: 'Baderech HaAvodah',
            description: 'Baderech HaAvodah is a way of living',
            iconImageUrl: '/assets/baderech-haavodah-icon.png',
        ));
        $dailyLearningSet = $setRepository->create(new CreateSetDto(
            name: 'Daily Learning',
            description: 'Daily learning for steady growth',
            iconImageUrl: '/assets/daily-learning-icon.svg',
        ));
        $baderechRootElement = $elementRepository->create(
            new CreateElementDto(
                set: $baderechSet,
                title: $baderechSet->getName(),
                description: $baderechSet->getDescription(),
                iconImageUrl: null,
                richText: '',
                shortPdfPath: null,
                longPdfPath: null,
                youtubeUrl: null,
                parentElement: null,
            )
        );

        $response = $this->getJson('/api/sets');

        $response->assertOk();
        $response->assertExactJson([
            'sets' => [
                [
                    'id' => $baderechSet->getId(),
                    'name' => $baderechSet->getName(),
                    'description' => $baderechSet->getDescription(),
                    'iconImageUrl' => $baderechSet->getIconImageUrl(),
                    'rootElementId' => $baderechRootElement->getId(),
                ],
                [
                    'id' => $dailyLearningSet->getId(),
                    'name' => $dailyLearningSet->getName(),
                    'description' => $dailyLearningSet->getDescription(),
                    'iconImageUrl' => $dailyLearningSet->getIconImageUrl(),
                    'rootElementId' => null,
                ],
            ],
        ]);
    }

    public function testCreateSetRequiresAuthentication(): void
    {
        $response = $this->postJson('/api/sets', [
            'name' => 'New Series',
            'description' => 'A new learning series',
        ]);

        $response->assertUnauthorized();
        $response->assertExactJson([
            'error' => 'unauthenticated',
        ]);
    }

    public function testAuthenticatedCreateSetCreatesRootElement(): void
    {
        Storage::fake('public');
        $setRepository = app(SetRepository::class);
        $elementRepository = app(ElementRepository::class);
        $this->createSession('valid-token');

        $response = $this->withCredentials()
            ->withUnencryptedCookie('auth_token', 'valid-token')
            ->post('/api/sets', [
                'name' => 'New Series',
                'description' => 'A new learning series',
                'iconImage' => $this->iconImageUpload(),
            ]);

        $response->assertCreated();
        $body = $response->json();
        $setId = $body['set']['id'];
        $rootElementId = $body['set']['rootElementId'];
        $this->assertIsInt($setId);
        $this->assertIsInt($rootElementId);
        $this->assertSame('New Series', $body['set']['name']);
        $this->assertSame(
            'A new learning series',
            $body['set']['description'],
        );
        $this->assertStringContainsString(
            '/storage/set-icons/',
            $body['set']['iconImageUrl'],
        );

        $createdSet = $setRepository->find($setId);
        $this->assertNotNull($createdSet);
        $rootElement = $elementRepository->findRootBySet($createdSet);
        $this->assertNotNull($rootElement);
        $this->assertSame($rootElementId, $rootElement->getId());
        $this->assertSame('New Series', $rootElement->getTitle());
        $this->assertSame(
            'A new learning series',
            $rootElement->getDescription(),
        );
        $storedIconPath = $createdSet->getIconImageUrl();
        $this->assertStringStartsWith('set-icons/', $storedIconPath);
        $this->assertSame($storedIconPath, $rootElement->getIconImageUrl());
        Storage::disk('public')->assertExists($storedIconPath);
    }

    public function testCreateSetRequiresIconImage(): void
    {
        $this->createSession('valid-token');

        $response = $this->withCredentials()
            ->withUnencryptedCookie('auth_token', 'valid-token')
            ->post('/api/sets', [
                'name' => 'New Series',
                'description' => 'A new learning series',
            ]);

        $response->assertBadRequest();
        $response->assertExactJson([
            'error' => 'icon image is required',
        ]);
    }

    private function createSession(string $token): void
    {
        $userRepository = app(UserRepository::class);
        $sessionRepository = app(SessionRepository::class);
        $user = $userRepository->create(new CreateUserDto(
            email: new EmailAddress('admin@example.com'),
            passwordHash: 'password-hash',
        ));
        $now = new DateTimeImmutable(
            '2026-05-01T00:00:00',
            new DateTimeZone('UTC'),
        );
        $sessionRepository->create(new CreateSessionDto(
            token: $token,
            user: $user,
            createdAt: $now,
            expiresAt: new DateTimeImmutable(
                '2099-01-01T00:00:00',
                new DateTimeZone('UTC'),
            ),
        ));
    }

    private function iconImageUpload(): UploadedFile
    {
        $fixturePath = __DIR__ . '/../fixtures/icon.png';

        return new UploadedFile(
            $fixturePath,
            'icon.png',
            'image/png',
            null,
            true,
        );
    }
}