<?php

use App\Services\Moderation\TogetherCommentSpamClassifier;
use Illuminate\Support\Facades\Http;
use Tests\TestCase;

uses(TestCase::class);

beforeEach(function (): void {
    config([
        'comment_spam.ai.api_key' => 'test-key',
        'comment_spam.ai.base_url' => 'https://api.together.test/v1',
        'comment_spam.ai.model' => 'meta-llama/Llama-3.2-3B-Instruct-Turbo',
    ]);
});

it('classifies using the strict Together JSON contract', function (string $model): void {
    config(['comment_spam.ai.model' => $model]);
    Http::fake([
        'https://api.together.test/*' => Http::response([
            'choices' => [['message' => ['content' => '{"spam":true,"confidence":0.95,"reason":"Unsolicited promotion."}']]],
        ]),
    ]);

    $result = app(TogetherCommentSpamClassifier::class)->classify('Buy now at example.test');

    expect($result->spam)->toBeTrue()
        ->and($result->confidence)->toBe(0.95)
        ->and($result->provider)->toBe('together')
        ->and($result->model)->toBe($model);
})->with([
    'Llama' => ['meta-llama/Llama-3.2-3B-Instruct-Turbo'],
    'Bonsai' => ['Prism-ML/Ternary-Bonsai-27B'],
]);

it('rejects an unsupported configured model before making an HTTP request', function (): void {
    config(['comment_spam.ai.model' => 'some/unsupported-model']);
    Http::fake();

    expect(fn () => app(TogetherCommentSpamClassifier::class)->classify('hello'))
        ->toThrow(RuntimeException::class, 'Unsupported Together AI comment spam model.');

    Http::assertNothingSent();
});

it('rejects malformed or out of range classifier output', function (array $json): void {
    Http::fake([
        'https://api.together.test/*' => Http::response([
            'choices' => [['message' => ['content' => json_encode($json)]]],
        ]),
    ]);

    expect(fn () => app(TogetherCommentSpamClassifier::class)->classify('hello'))
        ->toThrow(RuntimeException::class);
})->with([
    [['spam' => 'true', 'confidence' => 0.9, 'reason' => 'bad type']],
    [['spam' => true, 'confidence' => 1.1, 'reason' => 'out of range']],
    [['spam' => true, 'confidence' => 0.9]],
]);

it('fails closed when Together is not configured', function (): void {
    config(['comment_spam.ai.api_key' => '']);

    expect(fn () => app(TogetherCommentSpamClassifier::class)->classify('hello'))
        ->toThrow(RuntimeException::class);
});