<?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 Symfony\Component\Translation;

use Symfony\Component\Config\ConfigCacheFactory;
use Symfony\Component\Config\ConfigCacheFactoryInterface;
use Symfony\Component\Config\ConfigCacheInterface;
use Symfony\Component\Translation\Exception\InvalidArgumentException;
use Symfony\Component\Translation\Exception\NotFoundResourceException;
use Symfony\Component\Translation\Exception\RuntimeException;
use Symfony\Component\Translation\Formatter\IntlFormatterInterface;
use Symfony\Component\Translation\Formatter\MessageFormatter;
use Symfony\Component\Translation\Formatter\MessageFormatterInterface;
use Symfony\Component\Translation\Loader\LoaderInterface;
use Symfony\Contracts\Translation\LocaleAwareInterface;
use Symfony\Contracts\Translation\TranslatorInterface;

// Help opcache.preload discover always-needed symbols
class_exists(MessageCatalogue::class);

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Translator implements TranslatorInterface, TranslatorBagInterface, LocaleAwareInterface
{
    /**
     * @var MessageCatalogueInterface[]
     */
    protected $catalogues = [];

    private string $locale;

    /**
     * @var string[]
     */
    private array $fallbackLocales = [];

    /**
     * @var LoaderInterface[]
     */
    private array $loaders = [];

    private array $resources = [];

    private $formatter;

    private ?string $cacheDir;

    private bool $debug;

    private array $cacheVary;

    private $configCacheFactory;

    private array $parentLocales;

    private bool $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, mixed $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(): string
    {
        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): string
    {
        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 $locale = null): MessageCatalogueInterface
    {
        if (!$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(): array
    {
        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)
    {
        $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
    {
        $this->configCacheFactory ??= new ConfigCacheFactory($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;
    }
}

• [D] Catalogue
• [D] Command
• [D] DataCollector
• [D] DependencyInjection
• [D] Dumper
• [D] Exception
• [D] Extractor
• [D] Formatter
• [D] Loader
• [D] Provider
• [D] Reader
• [D] Resources
• [D] Test
• [D] Util
• [D] Writer
• [F] CHANGELOG.md
  Delete
• [F] composer.json
  Delete
• [F] DataCollectorTranslator.php
  Delete
• [F] IdentityTranslator.php
  Delete
• [F] LICENSE
  Delete
• [F] LoggingTranslator.php
  Delete
• [F] MessageCatalogue.php
  Delete
• [F] MessageCatalogueInterface.php
  Delete
• [F] MetadataAwareInterface.php
  Delete
• [F] PseudoLocalizationTranslator.php
  Delete
• [F] README.md
  Delete
• [F] TranslatableMessage.php
  Delete
• [F] Translator.php
  Delete
• [F] TranslatorBag.php
  Delete
• [F] TranslatorBagInterface.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
• Reinventing Your Wallet for Modern Convenience.
• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard