<?php

namespace App\Ninja\Tickets\Inbound;

/**
 * Class Attachments
 * @package App\Ninja\Tickets\Inbound
 */
Class Attachments implements \Iterator {


    /**
     * @var Attachments
     */
    protected $attachments;

    /**
     * Attachments constructor.
     * @param bool $attachments
     */
    public function __construct($attachments)
    {

        $this->attachments = $attachments;

        $this->position = 0;

    }

    /**
     * @param $key
     * @return Attachment|bool
     */
    function get($key) {

        $this->position = $key;

        if( ! empty($this->attachments[$key]))
            return new Attachment($this->attachments[$key]);
        else
            return FALSE;

    }

    /**
     *
     */
    function rewind()
    {

        $this->position = 0;

    }

    /**
     * @return Attachment
     */
    function current()
    {

        return new Attachment($this->attachments[$this->position]);

    }

    /**
     * @return int
     */
    function key()
    {

        return $this->position;

    }

    /**
     *
     */
    function next()
    {

        ++$this->position;

    }

    /**
     * @return bool
     */
    function valid()
    {

        return isset($this->attachments[$this->position]);

    }
}