<?php

namespace KupShop\KupShopBundle\Util\Locale;

use KupShop\AdminBundle\Util\LegacyAdminCredentials;
use KupShop\KupShopBundle\Config;
use KupShop\KupShopBundle\Context\LanguageContext;
use KupShop\KupShopBundle\Util\Compat\ServiceContainer;
use KupShop\KupShopBundle\Util\Compat\SymfonyBridge;
use KupShop\KupShopBundle\Util\System\PathFinder;
use Symfony\Bridge\Monolog\Logger;

class PHPArrayTranslator
{
    /**
     * @var PathFinder
     */
    private $pathFinder;

    /**
     * @var LanguageContext
     */
    private $languageContext;

    public function __construct(PathFinder $pathFinder, LanguageContext $languageContext)
    {
        $this->pathFinder = $pathFinder;
        $this->languageContext = $languageContext;
    }

    public function getLanguage($admin)
    {
        if ($admin) {
            return $this->getAdminLanguage();
        } else {
            return $this->getShopLanguage();
        }
    }

    public function getShopLanguage()
    {
        return $this->languageContext->getActiveId();
    }

    public function getAdminLanguage()
    {
        global $cfg;

        $isAdministration = $isAdministration ?? isAdministration();
        $admin = null;
        if ($isAdministration) {
            $adminCredentials = ServiceContainer::getService(LegacyAdminCredentials::class);
            $admin = $adminCredentials->getAdminById($adminCredentials->getAdminID());
        }

        $language = $isAdministration ? $admin['language'] ?? null : null;

        return $language ?? $cfg['Lang']['language_admin'] ?? 'czech';
    }

    public function loadShopMainTranslations()
    {
        $txt_str = [];

        $lng = $this->getShopLanguage();

        // sestaveni jmena souboru
        $translations = 'lang/lang.'.$lng.'.php';

        // Load shared translations
        $script = $this->pathFinder->engineWebPath($translations);
        if (file_exists($script)) {
            $this->loadTranslationFile($txt_str, $script);
        } else {
            $script = $this->pathFinder->engineWebPath('lang/lang.cs.php');
            $this->loadTranslationFile($txt_str, $script);
        }

        // Load local overrides
        $script = $this->pathFinder->shopPath($translations);
        if (!isFunctionalTests() && file_exists($script)) {
            $this->loadTranslationFile($txt_str, $script);
        }

        return $txt_str;
    }

    public function translate(&$txt_str, $key, $section = null, $silent = false, $isAdministration = null)
    {
        if (isAdministration()) {
            if (empty($section)) {
                $section = getVal('type');
            }

            if (empty($section)) {
                $section = substr(getVal('s'), 0, -4);
            }
        } else {
            if (empty($section)) {
                $section = getVal('s');
            }
        }

        if (empty($section)) {
            throw new \Exception('Prázdná sekce překladu');
        }

        $isAdministration = $isAdministration ?? isAdministration();
        if (empty($txt_str)) {
            $txt_str = $this->loadShopMainTranslations();
            $this->loadTranslations($txt_str, 'main', $isAdministration, $this->getLanguage($isAdministration));
        }

        // kdyz neexistuje sekce, zkusit load
        if (!array_key_exists($section, $txt_str)) {
            $translations = $this->loadTranslations($txt_str, $section, $isAdministration, $this->getLanguage($isAdministration));
        }

        // kdyz neexistuje text, poslat to do chyboveho hlaseni
        if (!array_key_exists($section, $txt_str) || !array_key_exists($key, $txt_str[$section])) {
            // zalogovat chybu
            // $error = "MISSING LANGUAGE STRING: Lang=" . $cfg ['Lang'] ['language'] . " String=\$txt_str['" . $section . "']['" . $key . "']";
            // logError ( __FILE__, __LINE__, $error, false );

            if ($silent) {
                return false;
            }

            if (!isDevelopment() && !isAdministration()) {
                /** @var Logger $logger */
                $logger = ServiceContainer::getService('logger');
                $logger->warning("Missing php translation: \"{$key}\", category: \"{$section}\"", [
                    'key' => $key,
                    'category' => $section,
                    'language' => $this->getLanguage($isAdministration),
                    'url' => SymfonyBridge::getCurrentRequest()?->getUri() ?? getShopUniqueName(),
                ]);
            }

            return "{$section}:{$key}";
        }
        $str = $txt_str[$section][$key];

        return $str;
    }

    public function loadTranslations(&$txt_str, $category, $admin, $lng)
    {
        if (is_array($txt_str) && array_key_exists($category, $txt_str)) {
            return $txt_str;
        }

        // Translation path
        $translations = "lang/{$lng}/{$category}.php";

        // Load shared translation
        if ($admin) {
            $script = $this->pathFinder->adminPath($translations);
            $bundleScript = loadBundlesAdmin($translations);
        } else {
            $script = $this->pathFinder->engineWebPath($translations);
            $bundleScript = loadBundles('Resources/'.$translations);
        }

        if (file_exists($script)) {
            $this->loadTranslationFile($txt_str, $script);
        } else {
            // Fallback to czech only in admin and if not found in bundle. On web it is better to know about missing translations
            if ($lng != 'czech' && $admin && !$bundleScript) {
                loadLanguage($category, 'czech');
            } else {
                $txt_str[$category] = [];
            }
        }

        // Load from bundles
        if ($bundleScript) {
            $this->loadTranslationFile($txt_str, $bundleScript);
        }

        // Do not load translations from shop in tests
        if (isFunctionalTests()) {
            return $txt_str;
        }

        // Load shop overrides
        if ($admin) {
            // admin can be named differently (kupkolo _z), so use relative path
            // => shop admin translations can only be used in admin
            $script = Config::get()['Path']['admin'].$translations;
        } else {
            $script = $this->pathFinder->shopPath($translations);
        }
        if (file_exists($script)) {
            $this->loadTranslationFile($txt_str, $script);
        }

        return $txt_str;
    }

    protected function loadTranslationFile(&$txt_str, $script)
    {
        // Keep it here!! Included files depends on it
        global $cfg;

        require $script;
    }
}