<?php

declare(strict_types=1);

namespace App\Tests\Feature\Manga;

use App\Entity\Manga;
use App\Tests\Feature\AbstractApiTestCase;
use Zenstruck\Foundry\Test\ResetDatabase;

class FindMangaMatchByFilenameTest extends AbstractApiTestCase
{
    use ResetDatabase;

    public function test_it_finds_exact_match_by_filename(): void
    {
        // Given
        $this->createManga('One Piece', 'one-piece');

        // When
        $client = static::createClient();
        $response = $client->request('GET', '/api/manga-matches', [
            'query' => [
                'filename' => 'one-piece_vol108_ch1094.cbz'
            ]
        ]);

        // Then
        $this->assertResponseIsSuccessful();
        $data = $response->toArray();

        $this->assertArrayHasKey('matches', $data);

        $this->assertCount(1, $data['matches']);
        $this->assertEquals('One Piece', $data['matches'][0]['title']);
        $this->assertEquals('one-piece', $data['matches'][0]['slug']);
        $this->assertEquals(1094.0, $data['matches'][0]['chapterNumber']);
        $this->assertEquals(108, $data['matches'][0]['volumeNumber']);
        $this->assertGreaterThan(0, $data['matches'][0]['matchScore']);

    }

    public function test_it_returns_empty_matches_when_no_manga_found(): void
    {
        // Given - no manga in database

        // When
        $client = static::createClient();
        $response = $client->request('GET', '/api/manga-matches', [
            'query' => [
                'filename' => 'unknown-manga_vol1_ch1.cbz'
            ]
        ]);

        // Then
        $this->assertResponseIsSuccessful();
        $data = $response->toArray();

        $this->assertArrayHasKey('matches', $data);
        $this->assertCount(0, $data['matches']);
    }

    public function test_it_returns_bad_request_when_filename_is_missing(): void
    {
        // When
        $client = static::createClient();
        $client->request('GET', '/api/manga-matches');

        // Then
        $this->assertResponseStatusCodeSame(400);
    }

    public function test_it_extracts_chapter_and_volume_correctly(): void
    {
        // Given
        $this->createManga('Attack on Titan', 'attack-on-titan');

        // When
        $client = static::createClient();
        $response = $client->request('GET', '/api/manga-matches', [
            'query' => [
                'filename' => 'attack-on-titan_vol32_ch130.cbz'
            ]
        ]);

        // Then
        $this->assertResponseIsSuccessful();
        $data = $response->toArray();

        $this->assertNotEmpty($data['matches']);
    }

    public function test_it_handles_filename_with_only_volume(): void
    {
        // Given
        $this->createManga('Naruto', 'naruto');

        // When
        $client = static::createClient();
        $response = $client->request('GET', '/api/manga-matches', [
            'query' => [
                'filename' => 'naruto_vol50.cbz'
            ]
        ]);

        // Then
        $this->assertResponseIsSuccessful();
        $data = $response->toArray();

        $this->assertNotEmpty($data['matches']);
        $this->assertEquals('Naruto', $data['matches'][0]['title']);
    }

    public function test_it_handles_filename_with_only_chapter(): void
    {
        // Given
        $this->createManga('Bleach', 'bleach');

        // When
        $client = static::createClient();
        $response = $client->request('GET', '/api/manga-matches', [
            'query' => [
                'filename' => 'bleach_ch200.cbz'
            ]
        ]);

        // Then
        $this->assertResponseIsSuccessful();
        $data = $response->toArray();

        $this->assertNotEmpty($data['matches']);
        $this->assertEquals('Bleach', $data['matches'][0]['title']);
    }

    public function test_it_sorts_matches_by_score(): void
    {
        // Given
        $this->createManga('One Piece', 'one-piece');
        $this->createManga('One Piece Z', 'one-piece-z');
        $this->createManga('The One Piece', 'the-one-piece');

        // When
        $client = static::createClient();
        $response = $client->request('GET', '/api/manga-matches', [
            'query' => [
                'filename' => 'one-piece_vol108_ch1094.cbz'
            ]
        ]);

        // Then
        $this->assertResponseIsSuccessful();
        $data = $response->toArray();

        $this->assertArrayHasKey('matches', $data);
        $this->assertGreaterThanOrEqual(1, count($data['matches']));

        // Le premier résultat devrait être "One Piece" (meilleure correspondance)
        $this->assertEquals('One Piece', $data['matches'][0]['title']);

        // Vérifier que les scores sont triés par ordre décroissant
        $scores = array_map(fn($match) => $match['matchScore'], $data['matches']);
        $sortedScores = $scores;
        rsort($sortedScores);
        $this->assertEquals($sortedScores, $scores);
    }

    public function test_it_handles_alternative_slugs(): void
    {
        // Given
        $manga = $this->createManga('Shingeki no Kyojin', 'shingeki-no-kyojin');
        $manga->setAlternativeSlugs(['attack-on-titan', 'aot']);
        $this->entityManager->flush();

        // When
        $client = static::createClient();
        $response = $client->request('GET', '/api/manga-matches', [
            'query' => [
                'filename' => 'attack-on-titan_vol1_ch1.cbz'
            ]
        ]);

        // Then
        $this->assertResponseIsSuccessful();
        $data = $response->toArray();

        $this->assertArrayHasKey('matches', $data);
        $this->assertNotEmpty($data['matches']);
        $this->assertEquals('Shingeki no Kyojin', $data['matches'][0]['title']);
        $this->assertContains('attack-on-titan', $data['matches'][0]['alternativeSlugs']);
    }

    public function test_it_provides_possible_titles_variants(): void
    {
        // Given
        $this->createManga('Dragon Ball', 'dragon-ball');

        // When
        $client = static::createClient();
        $response = $client->request('GET', '/api/manga-matches', [
            'query' => [
                'filename' => 'dragon-ball_vol1_ch5.cbz'
            ]
        ]);

        // Then
        $this->assertResponseIsSuccessful();
        $data = $response->toArray();

        $this->assertNotEmpty($data['matches']);
        // Vérifier que le match a bien le slug 'dragon-ball'
        $this->assertEquals('dragon-ball', $data['matches'][0]['slug']);
    }

    private function createManga(string $title, string $slug): Manga
    {
        $manga = new Manga();
        $manga->setTitle($title)
            ->setSlug($slug)
            ->setDescription('Description test')
            ->setAuthor('Author test')
            ->setPublicationYear(2020)
            ->setGenres(['action'])
            ->setStatus('ongoing')
            ->setRating(4.5)
            ->setMonitored(false)
            ->setImageUrl('https://via.placeholder.com/150')
            ->setThumbnailUrl('https://via.placeholder.com/150')
            ->setCreatedAt(new \DateTimeImmutable('2020-01-01'));

        $this->entityManager->persist($manga);
        $this->entityManager->flush();

        return $manga;
    }
}