Sindbad~EG File Manager

<?php

namespace App\Parser;

use Symfony\Component\Filesystem\Filesystem;

class ServerModeParser
{
    /**
     * @var string
     */
    protected $configTypeSelectorFile;

    /**
     * @var Filesystem
     */
    protected $fs;

    /**
     * @var array
     */
    private $parsed;

    /**
     * @var string
     */
    private $defaultServerMode;

    private const AVAILABLE = ['apache', 'lsws', 'lsws-apache'];

    public function __construct(string $configTypeSelectorFile, string $defaultServerMode)
    {
        $this->configTypeSelectorFile = $configTypeSelectorFile;
        $this->fs = new Filesystem();
        $this->parsed = [];
        $this->defaultServerMode = $defaultServerMode;
    }

    public function parse(string $homeDir, bool $force = false){
        if(!$force && array_key_exists($homeDir, $this->parsed)){
            return;
        }

        $filepath = $homeDir . $this->configTypeSelectorFile;

        if($this->fs->exists($filepath)){
            $rawContent = file_get_contents($filepath);

            if($rawContent){
                $this->parsed[$homeDir] = json_decode($rawContent, true);
            }
        }
    }

    public function get(string $homeDir, string $domain): string
    {
        if(
            $this->parsed &&
            array_key_exists($homeDir, $this->parsed) &&
            array_key_exists($domain, $this->parsed[$homeDir]) &&
            in_array($this->parsed[$homeDir][$domain], self::AVAILABLE)
        ){
            return $this->parsed[$homeDir][$domain];
        }

        return $this->defaultServerMode;
    }
}