<?php

declare(strict_types=1);

namespace Ohrionmartin\Weather\Infrastructure\Provider;

use Ohrionmartin\Weather\Application\Actions\Weather\GetWeatherAction;
use Ohrionmartin\Weather\Service\OpenWeatherClient;
use DI\ContainerBuilder;
use GuzzleHttp\Client;
use Psr\Container\ContainerInterface;
use Slim\App;

final class SlimWeatherProvider
{
    public static function register(ContainerBuilder $cb): void
    {
        $cb->addDefinitions([
            Client::class => function () {
                return new Client([
                    'headers' => [
                        'Accept' => 'application/json',
                        'User-Agent' => 'Slim-Weather/1.0',
                    ],
                ]);
            },

            OpenWeatherClient::class => function (ContainerInterface $c) {
                $apiKey = $_ENV['OPENWEATHER_API_KEY'] ?? $_SERVER['OPENWEATHER_API_KEY'] ?? '';
                $baseUrl = 'https://api.openweathermap.org/data/3.0';

                if ($apiKey === '') {
                    throw new \RuntimeException('OPENWEATHER_API_KEY is not configured');
                }

                return new OpenWeatherClient($c->get(Client::class), $apiKey, $baseUrl);
            },
        ]);
    }

    public static function routes(App $app): void
    {
        // Expose a ready-to-use endpoint for consumers (optional)
        $app->get('/weather', GetWeatherAction::class);
    }
}