<?php

namespace Tests\Unit\Movies;

use App\Modules\Movies\Models\{Movie, Genre, Actor, Director, Studio, Country, Language};
use App\Modules\Movies\Services\UpsertMovieFromProvider;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class UpsertMovieFromProviderTest extends TestCase
{
    use RefreshDatabase;

    private function sampleDetails(): array
    {
        return [
            'provider' => 'omdb',
            'provider_id' => 'tt1234567',
            'external_ids' => [
                'imdb' => 'tt1234567',
                'omdb' => 'tt1234567',
            ],
            'title' => 'Sample Movie',
            'original_title' => 'Sample Movie Original',
            'description' => 'An example movie.',
            'poster_url' => 'https://example.com/poster.jpg',
            'backdrop_url' => null,
            'genres' => ['Action', 'Comedy'],
            'rating' => 'PG-13',
            'release_date' => '2020-01-01',
            'year' => 2020,
            'runtime' => 120,
            'actors' => ['John Doe', 'Jane Doe'],
            'directors' => ['Some Director'],
            'studios' => ['Studio One', 'Studio Two'],
            'countries' => ['United States'],
            'languages' => ['English'],
        ];
    }

    public function test_create_duplicate_mode_creates_new_record_with_same_provider_id(): void
    {
        $service = new UpsertMovieFromProvider();
        $details = $this->sampleDetails();

        $first = $service->handle($details, 'duplicate');
        $second = $service->handle($details, 'duplicate');

        $this->assertNotSame($first->id, $second->id);
        $this->assertSame($first->provider_id, $second->provider_id);
        $this->assertDatabaseCount('movies', 2);
        $this->assertDatabaseHas('movies', ['id' => $first->id, 'provider_id' => 'tt1234567']);
        $this->assertDatabaseHas('movies', ['id' => $second->id, 'provider_id' => 'tt1234567']);
    }

    public function test_overwrite_mode_updates_existing_record(): void
    {
        $service = new UpsertMovieFromProvider();
        $details = $this->sampleDetails();

        $movie = $service->handle($details, 'overwrite');

        // Change some fields and call again (overwrite)
        $details['title'] = 'Updated Title';
        $details['genres'] = ['Drama'];
        $updated = $service->handle($details, 'overwrite');

        $this->assertSame($movie->id, $updated->id);
        $this->assertSame('Updated Title', $updated->title);

        // Relations synced to just Drama
        $this->assertCount(1, $updated->genres);
        $this->assertSame('Drama', $updated->genres->first()->name);
    }

    public function test_relations_are_synced_by_names(): void
    {
        $service = new UpsertMovieFromProvider();
        $details = $this->sampleDetails();

        $movie = $service->handle($details, 'overwrite');

        $this->assertCount(2, $movie->genres);
        $this->assertCount(2, $movie->actors);
        $this->assertCount(1, $movie->directors);
        $this->assertCount(2, $movie->studios);
        $this->assertCount(1, $movie->countries);
        $this->assertCount(1, $movie->languages);
    }
}