<?php

/*
 * This file is part of Alchemy\BinaryDriver.
 *
 * (c) Alchemy <info@alchemy.fr>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Alchemy\BinaryDriver;

class Configuration implements ConfigurationInterface
{
    private $data;

    public function __construct(array $data = array())
    {
        $this->data = $data;
    }

    /**
     * {@inheritdoc}
     */
    public function getIterator()
    {
        return new \ArrayIterator($this->data);
    }

    /**
     * {@inheritdoc}
     */
    public function get($key, $default = null)
    {
        return isset($this->data[$key]) ? $this->data[$key] : $default;
    }

    /**
     * {@inheritdoc}
     */
    public function set($key, $value)
    {
        $this->data[$key] = $value;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function has($key)
    {
        return array_key_exists($key, $this->data);
    }

    /**
     * {@inheritdoc}
     */
    public function remove($key)
    {
        $value = $this->get($key);
        unset($this->data[$key]);

        return $value;
    }

    /**
     * {@inheritdoc}
     */
    public function all()
    {
        return $this->data;
    }

    /**
     * {@inheritdoc}
     */
    public function offsetExists($offset)
    {
        return $this->has($offset);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetGet($offset)
    {
        return $this->get($offset);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetSet($offset, $value)
    {
        $this->set($offset, $value);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetUnset($offset)
    {
        $this->remove($offset);
    }
}