<?php

declare(strict_types=1);

namespace KupShop\KupShopBundle\Context;

use KupShop\KupShopBundle\Entity\Site;
use KupShop\KupShopBundle\Util\Contexts;
use KupShop\KupShopBundle\Util\Entity\EntityUtil;
use KupShop\KupShopBundle\Util\Functional\Mapping;

class SiteContext implements ContextInterface
{
    protected ?int $activeId = null;

    protected ?array $supported = null;

    public function __construct(private EntityUtil $entityUtil)
    {
    }

    public function activate(string|int $id): bool
    {
        $this->activeId = (int) $id;

        return true;
    }

    public function getActiveId(): int
    {
        if (is_null($this->activeId)) {
            $this->activeId = $this->loadActive();
        }

        return $this->activeId;
    }

    public function getActive(): Site
    {
        return $this->getSupported()[$this->getActiveId()];
    }

    public function clearCache(): void
    {
        $this->activeId = null;
    }

    public function isValid(string $id): bool
    {
        return array_key_exists($id, $this->getSupported());
    }

    /**
     * @return Site[]
     */
    public function getSupported(): array
    {
        if ($this->supported === null) {
            $this->supported = Mapping::mapKeys(sqlQueryBuilder()
                ->select('*')
                ->from('sites')
                ->execute()
                ->fetchAllAssociative(),
                fn ($k, $v) => [$v['id'], $this->entityUtil->createEntity($v, Site::class)]
            );
        }

        return $this->supported;
    }

    protected function loadActive(): int
    {
        $domain = Contexts::get(DomainContext::class)->getActiveId();
        $language = Contexts::get(LanguageContext::class)->getActiveId();

        $supported = $this->getSupported();

        foreach ($supported as $site) {
            if ($site->getDomain() === $domain && $site->getLanguage() === $language) {
                return $site->getId();
            }
        }

        return reset($supported)->getId();
    }
}