<?php

namespace Tests\Unit;

use App\Services\Ai\HybridFusion;
use PHPUnit\Framework\TestCase;

class AiHybridFusionTest extends TestCase
{
    public function test_fusion_excludes_unauthorised_ids_and_does_not_double_count_duplicates(): void
    {
        $fusion = new HybridFusion;
        $ranking = $fusion->rank(['secret', 'a', 'a', 'b'], ['b', 'secret'], ['a', 'b']);
        $this->assertSame(['b', 'a'], array_column($ranking, 'id'));
        $this->assertEqualsWithDelta(1 / 62, $ranking[1]['score'], 0.000001);
        $this->assertSame([], $fusion->rank(['a'], ['b'], []));
    }
}