<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace IAWPSCOPED\Symfony\Component\Translation;

use IAWPSCOPED\Symfony\Component\Config\ConfigCacheFactory;
use IAWPSCOPED\Symfony\Component\Config\ConfigCacheFactoryInterface;
use IAWPSCOPED\Symfony\Component\Config\ConfigCacheInterface;
use IAWPSCOPED\Symfony\Component\Translation\Exception\InvalidArgumentException;
use IAWPSCOPED\Symfony\Component\Translation\Exception\NotFoundResourceException;
use IAWPSCOPED\Symfony\Component\Translation\Exception\RuntimeException;
use IAWPSCOPED\Symfony\Component\Translation\Formatter\IntlFormatterInterface;
use IAWPSCOPED\Symfony\Component\Translation\Formatter\MessageFormatter;
use IAWPSCOPED\Symfony\Component\Translation\Formatter\MessageFormatterInterface;
use IAWPSCOPED\Symfony\Component\Translation\Loader\LoaderInterface;
use IAWPSCOPED\Symfony\Contracts\Translation\LocaleAwareInterface;
use IAWPSCOPED\Symfony\Contracts\Translation\TranslatorInterface;
// Help opcache.preload discover always-needed symbols
\class_exists(MessageCatalogue::class);
/**
 * @author Fabien Potencier <fabien@symfony.com>
 * @internal
 */
class Translator implements TranslatorInterface, TranslatorBagInterface, LocaleAwareInterface
{
    /**
     * @var MessageCatalogueInterface[]
     */
    protected $catalogues = [];
    /**
     * @var string
     */
    private $locale;
    /**
     * @var string[]
     */
    private $fallbackLocales = [];
    /**
     * @var LoaderInterface[]
     */
    private $loaders = [];
    /**
     * @var array
     */
    private $resources = [];
    /**
     * @var MessageFormatterInterface
     */
    private $formatter;
    /**
     * @var string
     */
    private $cacheDir;
    /**
     * @var bool
     */
    private $debug;
    private $cacheVary;
    /**
     * @var ConfigCacheFactoryInterface|null
     */
    private $configCacheFactory;
    /**
     * @var array|null
     */
    private $parentLocales;
    private $hasIntlFormatter;
    /**
     * @throws InvalidArgumentException If a locale contains invalid characters
     */
    public function __construct(string $locale, ?MessageFormatterInterface $formatter = null, ?string $cacheDir = null, bool $debug = \false, array $cacheVary = [])
    {
        $this->setLocale($locale);
        if (null === $formatter) {
            $formatter = new MessageFormatter();
        }
        $this->formatter = $formatter;
        $this->cacheDir = $cacheDir;
        $this->debug = $debug;
        $this->cacheVary = $cacheVary;
        $this->hasIntlFormatter = $formatter instanceof IntlFormatterInterface;
    }
    public function setConfigCacheFactory(ConfigCacheFactoryInterface $configCacheFactory)
    {
        $this->configCacheFactory = $configCacheFactory;
    }
    /**
     * Adds a Loader.
     *
     * @param string $format The name of the loader (@see addResource())
     */
    public function addLoader(string $format, LoaderInterface $loader)
    {
        $this->loaders[$format] = $loader;
    }
    /**
     * Adds a Resource.
     *
     * @param string $format   The name of the loader (@see addLoader())
     * @param mixed  $resource The resource name
     *
     * @throws InvalidArgumentException If the locale contains invalid characters
     */
    public function addResource(string $format, $resource, string $locale, ?string $domain = null)
    {
        if (null === $domain) {
            $domain = 'messages';
        }
        $this->assertValidLocale($locale);
        $locale ?: ($locale = \class_exists(\Locale::class) ? \Locale::getDefault() : 'en');
        $this->resources[$locale][] = [$format, $resource, $domain];
        if (\in_array($locale, $this->fallbackLocales)) {
            $this->catalogues = [];
        } else {
            unset($this->catalogues[$locale]);
        }
    }
    /**
     * {@inheritdoc}
     */
    public function setLocale(string $locale)
    {
        $this->assertValidLocale($locale);
        $this->locale = $locale;
    }
    /**
     * {@inheritdoc}
     */
    public function getLocale()
    {
        return $this->locale ?: (\class_exists(\Locale::class) ? \Locale::getDefault() : 'en');
    }
    /**
     * Sets the fallback locales.
     *
     * @param string[] $locales
     *
     * @throws InvalidArgumentException If a locale contains invalid characters
     */
    public function setFallbackLocales(array $locales)
    {
        // needed as the fallback locales are linked to the already loaded catalogues
        $this->catalogues = [];
        foreach ($locales as $locale) {
            $this->assertValidLocale($locale);
        }
        $this->fallbackLocales = $this->cacheVary['fallback_locales'] = $locales;
    }
    /**
     * Gets the fallback locales.
     *
     * @internal
     */
    public function getFallbackLocales() : array
    {
        return $this->fallbackLocales;
    }
    /**
     * {@inheritdoc}
     */
    public function trans(?string $id, array $parameters = [], ?string $domain = null, ?string $locale = null)
    {
        if (null === $id || '' === $id) {
            return '';
        }
        if (null === $domain) {
            $domain = 'messages';
        }
        $catalogue = $this->getCatalogue($locale);
        $locale = $catalogue->getLocale();
        while (!$catalogue->defines($id, $domain)) {
            if ($cat = $catalogue->getFallbackCatalogue()) {
                $catalogue = $cat;
                $locale = $catalogue->getLocale();
            } else {
                break;
            }
        }
        $len = \strlen(MessageCatalogue::INTL_DOMAIN_SUFFIX);
        if ($this->hasIntlFormatter && ($catalogue->defines($id, $domain . MessageCatalogue::INTL_DOMAIN_SUFFIX) || \strlen($domain) > $len && 0 === \substr_compare($domain, MessageCatalogue::INTL_DOMAIN_SUFFIX, -$len, $len))) {
            return $this->formatter->formatIntl($catalogue->get($id, $domain), $locale, $parameters);
        }
        return $this->formatter->format($catalogue->get($id, $domain), $locale, $parameters);
    }
    /**
     * {@inheritdoc}
     */
    public function getCatalogue(?string $locale = null)
    {
        if (!$locale) {
            $locale = $this->getLocale();
        } else {
            $this->assertValidLocale($locale);
        }
        if (!isset($this->catalogues[$locale])) {
            $this->loadCatalogue($locale);
        }
        return $this->catalogues[$locale];
    }
    /**
     * {@inheritdoc}
     */
    public function getCatalogues() : array
    {
        return \array_values($this->catalogues);
    }
    /**
     * Gets the loaders.
     *
     * @return LoaderInterface[]
     */
    protected function getLoaders()
    {
        return $this->loaders;
    }
    protected function loadCatalogue(string $locale)
    {
        if (null === $this->cacheDir) {
            $this->initializeCatalogue($locale);
        } else {
            $this->initializeCacheCatalogue($locale);
        }
    }
    protected function initializeCatalogue(string $locale)
    {
        $this->assertValidLocale($locale);
        try {
            $this->doLoadCatalogue($locale);
        } catch (NotFoundResourceException $e) {
            if (!$this->computeFallbackLocales($locale)) {
                throw $e;
            }
        }
        $this->loadFallbackCatalogues($locale);
    }
    private function initializeCacheCatalogue(string $locale) : void
    {
        if (isset($this->catalogues[$locale])) {
            /* Catalogue already initialized. */
            return;
        }
        $this->assertValidLocale($locale);
        $cache = $this->getConfigCacheFactory()->cache($this->getCatalogueCachePath($locale), function (ConfigCacheInterface $cache) use($locale) {
            $this->dumpCatalogue($locale, $cache);
        });
        if (isset($this->catalogues[$locale])) {
            /* Catalogue has been initialized as it was written out to cache. */
            return;
        }
        /* Read catalogue from cache. */
        $this->catalogues[$locale] = (include $cache->getPath());
    }
    private function dumpCatalogue(string $locale, ConfigCacheInterface $cache) : void
    {
        $this->initializeCatalogue($locale);
        $fallbackContent = $this->getFallbackContent($this->catalogues[$locale]);
        $content = \sprintf(<<<EOF
<?php

use Symfony\\Component\\Translation\\MessageCatalogue;

\$catalogue = new MessageCatalogue('%s', %s);

%s
return \$catalogue;

EOF
, $locale, \var_export($this->getAllMessages($this->catalogues[$locale]), \true), $fallbackContent);
        $cache->write($content, $this->catalogues[$locale]->getResources());
    }
    private function getFallbackContent(MessageCatalogue $catalogue) : string
    {
        $fallbackContent = '';
        $current = '';
        $replacementPattern = '/[^a-z0-9_]/i';
        $fallbackCatalogue = $catalogue->getFallbackCatalogue();
        while ($fallbackCatalogue) {
            $fallback = $fallbackCatalogue->getLocale();
            $fallbackSuffix = \ucfirst(\preg_replace($replacementPattern, '_', $fallback));
            $currentSuffix = \ucfirst(\preg_replace($replacementPattern, '_', $current));
            $fallbackContent .= \sprintf(<<<'EOF'
$catalogue%s = new MessageCatalogue('%s', %s);
$catalogue%s->addFallbackCatalogue($catalogue%s);

EOF
, $fallbackSuffix, $fallback, \var_export($this->getAllMessages($fallbackCatalogue), \true), $currentSuffix, $fallbackSuffix);
            $current = $fallbackCatalogue->getLocale();
            $fallbackCatalogue = $fallbackCatalogue->getFallbackCatalogue();
        }
        return $fallbackContent;
    }
    private function getCatalogueCachePath(string $locale) : string
    {
        return $this->cacheDir . '/catalogue.' . $locale . '.' . \strtr(\substr(\base64_encode(\hash('sha256', \serialize($this->cacheVary), \true)), 0, 7), '/', '_') . '.php';
    }
    /**
     * @internal
     */
    protected function doLoadCatalogue(string $locale) : void
    {
        $this->catalogues[$locale] = new MessageCatalogue($locale);
        if (isset($this->resources[$locale])) {
            foreach ($this->resources[$locale] as $resource) {
                if (!isset($this->loaders[$resource[0]])) {
                    if (\is_string($resource[1])) {
                        throw new RuntimeException(\sprintf('No loader is registered for the "%s" format when loading the "%s" resource.', $resource[0], $resource[1]));
                    }
                    throw new RuntimeException(\sprintf('No loader is registered for the "%s" format.', $resource[0]));
                }
                $this->catalogues[$locale]->addCatalogue($this->loaders[$resource[0]]->load($resource[1], $locale, $resource[2]));
            }
        }
    }
    private function loadFallbackCatalogues(string $locale) : void
    {
        $current = $this->catalogues[$locale];
        foreach ($this->computeFallbackLocales($locale) as $fallback) {
            if (!isset($this->catalogues[$fallback])) {
                $this->initializeCatalogue($fallback);
            }
            $fallbackCatalogue = new MessageCatalogue($fallback, $this->getAllMessages($this->catalogues[$fallback]));
            foreach ($this->catalogues[$fallback]->getResources() as $resource) {
                $fallbackCatalogue->addResource($resource);
            }
            $current->addFallbackCatalogue($fallbackCatalogue);
            $current = $fallbackCatalogue;
        }
    }
    protected function computeFallbackLocales(string $locale)
    {
        if (null === $this->parentLocales) {
            $this->parentLocales = \json_decode(\file_get_contents(__DIR__ . '/Resources/data/parents.json'), \true);
        }
        $originLocale = $locale;
        $locales = [];
        while ($locale) {
            $parent = $this->parentLocales[$locale] ?? null;
            if ($parent) {
                $locale = 'root' !== $parent ? $parent : null;
            } elseif (\function_exists('locale_parse')) {
                $localeSubTags = \locale_parse($locale);
                $locale = null;
                if (1 < \count($localeSubTags)) {
                    \array_pop($localeSubTags);
                    $locale = \locale_compose($localeSubTags) ?: null;
                }
            } elseif ($i = \strrpos($locale, '_') ?: \strrpos($locale, '-')) {
                $locale = \substr($locale, 0, $i);
            } else {
                $locale = null;
            }
            if (null !== $locale) {
                $locales[] = $locale;
            }
        }
        foreach ($this->fallbackLocales as $fallback) {
            if ($fallback === $originLocale) {
                continue;
            }
            $locales[] = $fallback;
        }
        return \array_unique($locales);
    }
    /**
     * Asserts that the locale is valid, throws an Exception if not.
     *
     * @throws InvalidArgumentException If the locale contains invalid characters
     */
    protected function assertValidLocale(string $locale)
    {
        if (!\preg_match('/^[a-z0-9@_\\.\\-]*$/i', $locale)) {
            throw new InvalidArgumentException(\sprintf('Invalid "%s" locale.', $locale));
        }
    }
    /**
     * Provides the ConfigCache factory implementation, falling back to a
     * default implementation if necessary.
     */
    private function getConfigCacheFactory() : ConfigCacheFactoryInterface
    {
        if (!$this->configCacheFactory) {
            $this->configCacheFactory = new ConfigCacheFactory($this->debug);
        }
        return $this->configCacheFactory;
    }
    private function getAllMessages(MessageCatalogueInterface $catalogue) : array
    {
        $allMessages = [];
        foreach ($catalogue->all() as $domain => $messages) {
            if ($intlMessages = $catalogue->all($domain . MessageCatalogue::INTL_DOMAIN_SUFFIX)) {
                $allMessages[$domain . MessageCatalogue::INTL_DOMAIN_SUFFIX] = $intlMessages;
                $messages = \array_diff_key($messages, $intlMessages);
            }
            if ($messages) {
                $allMessages[$domain] = $messages;
            }
        }
        return $allMessages;
    }
}
