<?php declare(strict_types=1);

namespace Lubian\AttributeMagic\Infrastructure\WebApp\Route;

use Lubian\AttributeMagic\Infrastructure\Event\AsListener;

use function file_exists;
use function file_get_contents;
use function file_put_contents;
use function serialize;
use function unserialize;

final class CachedRouteCollector
{
    public const ROUTES_DIR = __DIR__ . '/../../../../var/routesCache';

    #[AsListener(CollectRoutes::class, -10)]
    public function getCached(CollectRoutes $event): void
    {
        if ($event->cached === false) {
            return;
        }

        if (! file_exists(self::ROUTES_DIR)) {
            return;
        }

        $event->routes = unserialize(file_get_contents(self::ROUTES_DIR)); //@phpstan-ignore-line
        $event->stopped = true;
    }

    #[AsListener(CollectRoutes::class, 10)]
    public function setCached(CollectRoutes $event): void
    {
        if ($event->cached === false) {
            return;
        }

        file_put_contents(
            self::ROUTES_DIR,
            serialize($event->routes),
        );
    }
}