<?php

/**
 * Plugin Installer class
 *
 * @description Class to handle installation of user plugins
 * @author      Bill Zimmerman <billzimmerman@gmail.com>
 * @license     https://github.com/raspap/raspap-webgui/blob/master/LICENSE
 */

declare(strict_types=1);

namespace RaspAP\Plugins;

class PluginInstaller
{
    private static $instance = null;
    
    public function __construct()
    {
        $this->pluginPath = 'plugins';
    }

    // Returns a single instance of PluginInstaller
    public static function getInstance(): PluginInstaller
    {
        if (self::$instance === null) {
            self::$instance = new PluginInstaller();
        }
        return self::$instance;
    }

    public function getPlugins(): array
    {
        $plugins = [];
        if (file_exists($this->pluginPath)) {
            $directories = scandir($this->pluginPath);

            foreach ($directories as $directory) {
                $pluginClass = "RaspAP\\Plugins\\$directory\\$directory";
                $pluginFile = $this->pluginPath . "/$directory/$directory.php";

                if (file_exists($pluginFile) && class_exists($pluginClass)) {
                    $plugins[] = $pluginClass;
                }
            }
        }
        return $plugins;
    }

}