<?php

declare(strict_types=1);

namespace App\Http;

use App\Core\EnvironmentLoader;
use App\Enums\Environment;
use Laminas\Diactoros\ServerRequest;
use Laminas\HttpHandlerRunner\Emitter\SapiEmitter;
use League\Route\Router;
use Whoops\Handler\PrettyPageHandler;
use Whoops\Run;

/** @codeCoverageIgnore */
final readonly class Kernel
{
    public function __construct(
        private EnvironmentLoader $environmentLoader,
        private ExceptionHandler $exceptionHandler,
        private ServerRequest $serverRequest,
        private Router $router,
        private SapiEmitter $sapiEmitter,
    ) {
    }

    public function run(): void
    {
        $this->environmentLoader->load();
        $this->setExceptionHandler();

        $response = $this->router->dispatch($this->serverRequest);
        $this->sapiEmitter->emit($response);
    }

    private function setExceptionHandler(): void
    {
        if (Environment::Production->isCurrent()) {
            set_exception_handler($this->exceptionHandler->handle(...));

            return;
        }

        $whoops = new Run();
        $whoops->pushHandler(new PrettyPageHandler());
        $whoops->register();
    }
}