<?php

use App\Services\AiClient;
use App\Support\Settings;
use Illuminate\Support\Facades\Http;

test('enabled is false unless ai_enabled, ai_base_url and ai_model are all set — api key is optional', function () {
    expect(app(AiClient::class)->enabled())->toBeFalse();

    Settings::set('ai_enabled', '1');
    Settings::set('ai_base_url', 'https://api.groq.test/openai/v1');
    Settings::set('ai_model', 'llama-3.3-70b-versatile');

    expect(app(AiClient::class)->enabled())->toBeTrue();
});

test('chat returns the assistant message content on success', function () {
    Settings::set('ai_enabled', '1');
    Settings::set('ai_base_url', 'https://api.groq.test/openai/v1');
    Settings::set('ai_model', 'llama-3.3-70b-versatile');

    Http::fake([
        'api.groq.test/*' => Http::response(['choices' => [['message' => ['content' => 'hello']]]]),
    ]);

    expect(app(AiClient::class)->chat([['role' => 'user', 'content' => 'hi']]))->toBe('hello');
});

test('chat returns null on a non-successful response instead of throwing', function () {
    Settings::set('ai_enabled', '1');
    Settings::set('ai_base_url', 'https://api.groq.test/openai/v1');
    Settings::set('ai_model', 'llama-3.3-70b-versatile');

    Http::fake(['api.groq.test/*' => Http::response(['error' => 'nope'], 500)]);

    expect(app(AiClient::class)->chat([['role' => 'user', 'content' => 'hi']]))->toBeNull();
});

test('chat sends no Authorization header when no api key is configured (self-hosted Ollama style)', function () {
    Settings::set('ai_enabled', '1');
    Settings::set('ai_base_url', 'http://ollama.test/v1');
    Settings::set('ai_model', 'llama3');

    Http::fake(['ollama.test/*' => Http::response(['choices' => [['message' => ['content' => 'ok']]]])]);

    app(AiClient::class)->chat([['role' => 'user', 'content' => 'hi']]);

    Http::assertSent(fn ($request) => ! $request->hasHeader('Authorization'));
});

test('testConnection reports ok on a successful response', function () {
    Http::fake(['api.groq.test/*' => Http::response(['choices' => [['message' => ['content' => 'pong']]]])]);

    $ok = app(AiClient::class)->testConnection('https://api.groq.test/openai/v1', 'key', 'llama3', true);

    expect($ok)->toBe(['ok' => true, 'message' => null]);
});

test('testConnection reports the provider error message on failure', function () {
    Http::fake(['api.groq.test/*' => Http::response(['error' => ['message' => 'bad model']], 400)]);

    $error = app(AiClient::class)->testConnection('https://api.groq.test/openai/v1', 'key', 'bad-model', true);

    expect($error['ok'])->toBeFalse();
    expect($error['message'])->toBe('bad model');
});