<?php

declare(strict_types=1);

namespace Tests\Taxonomy;

use Netig\Netslim\Taxonomy\Application\TaxonomyServiceInterface;
use Netig\Netslim\Taxonomy\Domain\Entity\Taxon;
use Netig\Netslim\Taxonomy\Infrastructure\TaxonomyServiceReader;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;

#[\PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations]
final class TaxonomyServiceReaderTest extends TestCase
{
    /** @var TaxonomyServiceInterface&MockObject */
    private TaxonomyServiceInterface $taxonomyService;

    private TaxonomyServiceReader $reader;

    protected function setUp(): void
    {
        $this->taxonomyService = $this->createMock(TaxonomyServiceInterface::class);
        $this->reader = new TaxonomyServiceReader($this->taxonomyService);
    }

    public function testFindAllMapsCategoriesToTaxonViews(): void
    {
        $this->taxonomyService->expects($this->once())
            ->method('findAll')
            ->willReturn([
                new Taxon(1, 'PHP', 'php'),
                new Taxon(2, 'Slim', 'slim'),
            ]);

        $taxons = $this->reader->findAll();

        self::assertCount(2, $taxons);
        self::assertSame('PHP', $taxons[0]->name);
        self::assertSame('slim', $taxons[1]->slug);
    }

    public function testFindBySlugReturnsNullWhenMissing(): void
    {
        $this->taxonomyService->expects($this->once())
            ->method('findBySlug')
            ->with('missing')
            ->willReturn(null);

        self::assertNull($this->reader->findBySlug('missing'));
    }
}