<?php

declare(strict_types=1);

use App\Models\Artwork;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\Client\ConnectionException;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Storage;
use function Pest\Laravel\getJson;

uses(RefreshDatabase::class);

beforeEach(function (): void {
    config()->set('vision.vector_gateway.enabled', true);
    config()->set('vision.vector_gateway.base_url', 'https://vision.klevze.net');
    config()->set('vision.vector_gateway.api_key', 'test-key');
    config()->set('vision.vector_gateway.search_point_endpoint', '/vectors/search/point');
    config()->set('cdn.files_url', 'https://files.skinbase.org');
    config()->set('app.url', 'https://skinbase.test');
    Cache::flush();
    Storage::fake('public');
});

function pointSearchArtwork(): Artwork
{
    return Artwork::factory()->create([
        'hash' => 'point-source-hash',
        'thumb_ext' => 'webp',
        'is_public' => true,
        'is_approved' => true,
        'published_at' => now()->subHour(),
    ]);
}

it('uses the stored point and does not fetch or embed the source image', function (): void {
    $source = pointSearchArtwork();
    $match = Artwork::factory()->create(['title' => 'Point match']);

    Http::fake([
        'https://vision.klevze.net/vectors/search/point' => Http::response([
            'results' => [
                ['id' => $source->id, 'score' => 1.0],
                ['id' => $match->id, 'score' => 0.91],
            ],
        ], 200),
        'https://files.skinbase.org/*' => Http::response('should not download', 500),
        'https://vision.klevze.net/vectors/search/file' => Http::response(['error' => 'should not embed'], 500),
        'https://vision.klevze.net/vectors/search' => Http::response(['error' => 'should not search by URL'], 500),
    ]);

    getJson('/api/art/' . $source->id . '/similar-ai')
        ->assertOk()
        ->assertJsonPath('data.0.id', $match->id);

    Http::assertSent(fn ($request): bool => str_contains($request->url(), '/vectors/search/point')
        && ($request->data()['id'] ?? null) === $source->id);
    Http::assertNotSent(fn ($request): bool => str_contains($request->url(), '/vectors/search/file'));
    Http::assertNotSent(fn ($request): bool => str_contains($request->url(), '/vectors/search') && ! str_contains($request->url(), '/point'));
    Http::assertNotSent(fn ($request): bool => str_contains($request->url(), 'files.skinbase.org'));
});

it('falls back to the existing image path only when the point is missing', function (): void {
    $source = pointSearchArtwork();
    $match = Artwork::factory()->create(['title' => 'Fallback match']);

    Http::fake([
        'https://vision.klevze.net/vectors/search/point' => Http::response(['detail' => 'missing'], 404),
        'https://files.skinbase.org/*' => Http::response('image-bytes', 200, ['Content-Type' => 'image/webp']),
        'https://vision.klevze.net/vectors/search/file' => Http::response([
            'results' => [['id' => $match->id, 'score' => 0.8]],
        ], 200),
    ]);

    getJson('/api/art/' . $source->id . '/similar-ai')
        ->assertOk()
        ->assertJsonPath('data.0.id', $match->id);
});

it('does not fall back to CLIP after a point-search server failure', function (): void {
    $source = pointSearchArtwork();

    Http::fake([
        'https://vision.klevze.net/vectors/search/point' => Http::response(['error' => 'upstream'], 500),
        'https://files.skinbase.org/*' => Http::response('should not download', 500),
        'https://vision.klevze.net/vectors/search/file' => Http::response(['error' => 'should not embed'], 500),
        'https://vision.klevze.net/vectors/search' => Http::response(['error' => 'should not search by URL'], 500),
    ]);

    getJson('/api/art/' . $source->id . '/similar-ai')->assertStatus(502);
    Http::assertNotSent(fn ($request): bool => str_contains($request->url(), 'files.skinbase.org'));
    Http::assertNotSent(fn ($request): bool => str_contains($request->url(), '/vectors/search/file'));
});

it('does not fall back to CLIP after a point-search timeout', function (): void {
    $source = pointSearchArtwork();

    Http::fake(function ($request) {
        if (str_contains($request->url(), '/vectors/search/point')) {
            throw new ConnectionException('cURL error 28: Operation timed out');
        }

        throw new RuntimeException('fallback must not be called');
    });

    getJson('/api/art/' . $source->id . '/similar-ai')->assertStatus(502);
    Http::assertNothingSent();
});