<?php

namespace Kletellier\PdoWrapper;

use Evenement\EventEmitter;

class EventDispatcher
{
    private static $instance = null;
    private EventEmitter $emitter;

    private function __construct()
    {
        $this->emitter = new EventEmitter();
    }

    private static function getInstance()
    {
        if (self::$instance == null) {
            self::$instance = new EventDispatcher();
        }
        return self::$instance;
    }

    public static function __callStatic($name, $arguments)
    {
        if (count($arguments) == 2) {
            $instance = self::getInstance();
            $event = $arguments[0];
            if ($name == "on") {
                if (is_callable($arguments[1])) {
                    $instance->emitter->on($event, $arguments[1]);
                }
            }
            if ($name == "emit") {
                $instance->emitter->emit($event, $arguments);
            }
        }
    }
}