<?php

namespace Icinga\Module\Director\CustomVariable;

class CustomVariableDictionary extends CustomVariable implements Countable
{
    public function equals(CustomVariable $var)
    {
        if (! $var instanceof CustomVariableDictionary) {
            return false;
        }

        $myKeys = $this->listKeys();
        $foreignKeys = $var->listKeys();
        if ($myKeys !== $foreignKeys) {
            return false;
        }

        foreach ($this->value as $key => $value) {
            if ($this->$key->differsFrom($value)->$key) {
                return false;
            }
        }

        return true;
    }

    public function listKeys()
    {
        $keys = array_keys($this->value);
        ksort($keys);
        return $keys;
    }

    public function count()
    {
        return count($this->value);
    }

    public function __clone()
    {
        foreach ($this->value as $key => $value) {
            $this->value->$key = clone($value);
        }
    }

    public function __get($key)
    {
        // ...
    }
}