use OpenAI\Chat\System;

$system = new System($_ENV['OPENAI_API_KEY']);

echo $system->ask("Hello");

use OpenAI\Chat\Attributes\Tool;
use OpenAI\Chat\Attributes\Parameter;

#[Tool(description: 'Get the release date of iphone')]
function getIPhoneReleaseDate(#[Parameter("model of the phone")] string $model)
{
    return ["date" => "2022-09-14", "model" => $model];
}

$system->addTool(Closure::fromCallable("getIPhoneReleaseDate"));

echo $system->ask("When will iPhone 14 be released?");

class Controller
{
    public $price = "$799";

    #[Tool(description: 'Get the price of iphone')]
    public function getIPhonePrice(#[Parameter("model of the phone")] string $model)
    {
        return ["price" => $this->price, "model" => $model];
    }
}

$system->addTool(Closure::fromCallable([new Controller(), "getIPhonePrice"]));

echo $system->ask("What is the price and release date of iphone14?");

print_r($system->getUsages());

$stream = $system->askAsStream("What is the price and release date of iphone14?");

$stream->on('data', function ($data) {
    echo $data;
});