<?php

declare(strict_types=1);

namespace SimpleSAML\Utils;

use Gettext\Scanner\PhpScanner;

use SimpleSAML\Configuration;

use SimpleSAML\Error\Exception;

use SimpleSAML\Module;

use SimpleSAML\XHTML\Template;

use Symfony\Bridge\Twig\Translation\TwigExtractor;

use Symfony\Component\Finder\Finder;

use Symfony\Component\Translation\MessageCatalogue;

use function array_merge;

use function explode;

use function is_dir;

use function str_starts_with;

use function strlen;

use function substr;

/**

* @package SimpleSAMLphp

*/

class Translate

{

protected string $baseDir;

/**

* @param \SimpleSAML\Configuration $configuration

*/

public function __construct(

protected Configuration $configuration,

) {

$this->baseDir = $configuration->getBaseDir();

}

/**

* @param string $module

* @param \Gettext\Scanner\PhpScanner $phpScanner

* @return \Gettext\Scanner\PhpScanner

*/

public function getTranslationsFromPhp(string $module, PhpScanner $phpScanner): PhpScanner

{

$moduleDir = $this->baseDir . ($module === '' ? '' : 'modules/' . $module . '/');

$moduleSrcDir = $moduleDir . 'src/';

$finder = new Finder();

foreach ($finder->files()->in($moduleSrcDir)->name('*.php') as $file) {

$phpScanner->scanFile($file->getPathName());

}

if (is_dir($moduleDir . 'hooks/')) {

foreach ($finder->files()->in($moduleDir . 'hooks/')->name('*.php') as $file) {

$phpScanner->scanFile($file->getPathName());

}

}

return $phpScanner;

}

/**

* @param string $module

* @param bool $includeThemes

*/

public function getTranslationsFromTwig(string $module, bool $includeThemes = false): array

{

$twigTranslations = [];

$moduleDir = $this->baseDir . ($module === '' ? '' : 'modules/' . $module . '/');

$moduleTemplateDir = $moduleDir . 'templates/';

$moduleThemeDir = $moduleDir . 'themes/';

$moduleDirs = [];

if (is_dir($moduleTemplateDir)) {

$moduleDirs[] = $moduleTemplateDir;

}

if ($includeThemes && is_dir($moduleThemeDir)) {

$moduleDirs[] = $moduleThemeDir;

}

// Scan Twig-templates

$finder = new Finder();

foreach ($finder->files()->in($moduleDirs)->name('*.twig') as $file) {

if (!($includeThemes && str_starts_with($file->getPathname(), $moduleThemeDir))) {

/* process templates/ directory */

$template = new Template(

$this->configuration,

($module ? ($module . ':') : '') . $file->getRelativePathname(),

);

} else {

/* process themed templates from other modules */

list($theme, $themedModule) = explode(

DIRECTORY_SEPARATOR,

substr($file->getPath(), strlen($moduleThemeDir)),

2,

);

if ($themedModule !== 'default' && !Module::isModuleEnabled($themedModule)) {

throw new Exception(

'The module \'' . $themedModule . '\' (themed by \'' . $module . ':' . $theme . '\') ' .

'is not enabled. Perhaps you need to need to require --dev simplesamlphp-module-' .

$themedModule . ' within the ' . $module . ' module?',

);

}

$template = new Template(

Configuration::loadFromArray(

array_merge(

$this->configuration->toArray(),

['theme.use' => $module . ':' . $theme,],

),

),

($themedModule !== 'default' ? ($themedModule . ':') : '') .

substr($file->getRelativePathname(), strlen($theme . DIRECTORY_SEPARATOR . $themedModule) + 1),

);

}

$catalogue = new MessageCatalogue('en', []);

$extractor = new TwigExtractor($template->getTwig());

$extractor->extract($file, $catalogue);

$tmp = $catalogue->all();

if ($tmp === []) {

// This template has no translation strings

continue;

}

// The catalogue always uses 'messages' for the domain and it's not configurable.

// Manually replace it with the module-name

if ($module !== '') {

$tmp[$module] = $tmp['messages'];

unset($tmp['messages']);

}

$twigTranslations[] = $tmp;

}

return $twigTranslations;

}

}