<?php
declare(strict_types=1);

namespace Esun3d\LanguageUrlStoreResolver\Model;

use Magento\Store\Model\StoreManagerInterface;

class StoreCodeMapper
{
    /**
     * @var StoreViewRegistry
     */
    private $storeViewRegistry;

    private $storeManager;

    public function __construct(StoreViewRegistry $storeViewRegistry, StoreManagerInterface $storeManager)
    {
        $this->storeViewRegistry = $storeViewRegistry;
        $this->storeManager = $storeManager;
    }

    public function map(string $language, ?string $market = null): ?string
    {
        $language = strtolower(trim($language));

        if ($market !== null
            && $this->isRealStoreCodeInScope($market)
            && $this->languageFromStoreCode($market) === $language
        ) {
            return $market;
        }

        return $this->getDefaultStoreCodeForLanguage($language);
    }

    public function languageFromStoreCode(string $storeCode): ?string
    {
        return $this->storeViewRegistry->getLanguageByStoreCode($storeCode);
    }

    public function marketFromStoreCode(string $storeCode): ?string
    {
        return $this->isRealStoreCodeInScope($storeCode) ? $storeCode : null;
    }

    public function isRealStoreCodeInScope(string $storeCode): bool
    {
        return $this->storeViewRegistry->isStoreCodeInWebsite($storeCode, $this->getWebsiteId());
    }

    public function isLanguageAllowed(string $language): bool
    {
        return $this->storeViewRegistry->isLanguageInWebsite($language, $this->getWebsiteId());
    }

    public function getDefaultStoreCodeForLanguage(string $language): ?string
    {
        return $this->storeViewRegistry->getStoreCodeForLanguageInWebsite($language, $this->getWebsiteId());
    }

    public function getDefaultLanguage(): ?string
    {
        try {
            $defaultStore = $this->storeManager->getWebsite()->getDefaultStore();
            return $defaultStore ? $this->languageFromStoreCode((string)$defaultStore->getCode()) : null;
        } catch (\Throwable $exception) {
            return null;
        }
    }

    public function isDefaultLanguage(string $language): bool
    {
        return strtolower(trim($language)) === $this->getDefaultLanguage();
    }

    private function getWebsiteId(): int
    {
        return (int)$this->storeManager->getWebsite()->getId();
    }
}