<?php

namespace Friendica\Test\Util;


use org\bovigo\vfs\vfsStream;
use org\bovigo\vfs\vfsStreamDirectory;

trait VFSTrait
{
	/**
	 * @var vfsStreamDirectory The Stream Directory
	 */
	protected $root;

	protected function setUpVfsDir() {
		// the used directories inside the App class
		$structure = [
			'config' => [],
			'bin' => []
		];

		// create a virtual directory and copy all needed files and folders to it
		$this->root = vfsStream::setup('friendica', null, $structure);

		$this->setConfigFile('config.ini.php');
		$this->setConfigFile('settings.ini.php');
		$this->setConfigFile('local.ini.php');
		$this->setConfigFile('dbstructure.json');
	}

	protected function setConfigFile($filename)
	{
		$file = dirname(__DIR__) . DIRECTORY_SEPARATOR .
			'..' . DIRECTORY_SEPARATOR .
			'config' . DIRECTORY_SEPARATOR .
			$filename;

		if (file_exists($file)) {
			vfsStream::newFile($filename)
				->at($this->root->getChild('config'))
				->setContent(file_get_contents($file));
		}
	}

	protected function delConfigFile($filename)
	{
		if ($this->root->hasChild('config/' . $filename)) {
			$this->root->removeChild('config/' . $filename);
		}
	}
}