class PharLoader

final class PharLoader {
    
    /**
     * @psalm-param non-empty-string $directory
     *
     * @psalm-return list<string>
     */
    public function loadPharExtensionsInDirectory(string $directory) : array {
        $pharExtensionLoaded = extension_loaded('phar');
        $loadedExtensions = [];
        foreach ((new FileIteratorFacade())->getFilesAsArray($directory, '.phar') as $file) {
            if (!$pharExtensionLoaded) {
                Event\Facade::emitter()->testRunnerTriggeredWarning(sprintf('Cannot load extension from %s because the PHAR extension is not available', $file));
                continue;
            }
            if (!is_file('phar://' . $file . '/manifest.xml')) {
                Event\Facade::emitter()->testRunnerTriggeredWarning(sprintf('%s is not an extension for PHPUnit', $file));
                continue;
            }
            try {
                $applicationName = new ApplicationName('phpunit/phpunit');
                $version = new PharIoVersion($this->phpunitVersion());
                $manifest = ManifestLoader::fromFile('phar://' . $file . '/manifest.xml');
                if (!$manifest->isExtensionFor($applicationName)) {
                    Event\Facade::emitter()->testRunnerTriggeredWarning(sprintf('%s is not an extension for PHPUnit', $file));
                    continue;
                }
                if (!$manifest->isExtensionFor($applicationName, $version)) {
                    Event\Facade::emitter()->testRunnerTriggeredWarning(sprintf('%s is not compatible with PHPUnit %s', $file, Version::series()));
                    continue;
                }
            } catch (ManifestException $e) {
                Event\Facade::emitter()->testRunnerTriggeredWarning(sprintf('Cannot load extension from %s: %s', $file, $e->getMessage()));
                continue;
            }
            try {
                
                /** @psalm-suppress UnresolvableInclude */
                @(require $file);
            } catch (Throwable $t) {
                Event\Facade::emitter()->testRunnerTriggeredWarning(sprintf('Cannot load extension from %s: %s', $file, $t->getMessage()));
                continue;
            }
            $loadedExtensions[] = $manifest->getName()
                ->asString() . ' ' . $manifest->getVersion()
                ->getVersionString();
            Event\Facade::emitter()->testRunnerLoadedExtensionFromPhar($file, $manifest->getName()
                ->asString(), $manifest->getVersion()
                ->getVersionString());
        }
        return $loadedExtensions;
    }
    private function phpunitVersion() : string {
        $version = Version::id();
        if (!str_contains($version, '-')) {
            return $version;
        }
        $parts = explode('.', explode('-', $version)[0]);
        if (count($parts) === 2) {
            $parts[] = 0;
        }
        return implode('.', $parts);
    }

}