<?php

/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Service_Rackspace
 * @subpackage Servers
 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

require_once 'Zend/Service/Rackspace/Servers.php';

class Zend_Service_Rackspace_Servers_SharedIpGroup
{
    const ERROR_PARAM_CONSTRUCT  = 'You must pass a Zend_Service_Rackspace_Servers object and an array';
    const ERROR_PARAM_NO_NAME    = 'You must pass the image\'s name in the array (name)';
    const ERROR_PARAM_NO_ID      = 'You must pass the image\'s id in the array (id)';
    const ERROR_PARAM_NO_SERVERS = 'The servers parameter must be an array of Ids';
    /**
     * Name of the shared IP group
     * 
     * @var string 
     */
    protected $name;
    /**
     * Id of the shared IP group
     * 
     * @var string 
     */
    protected $id;
    /**
     * Array of servers of the shared IP group
     * 
     * @var array 
     */
    protected $serversId = array();
    /**
     * The service that has created the image object
     *
     * @var Zend_Service_Rackspace_Servers
     */
    protected $service;
    /**
     * Construct
     * 
     * @param  Zend_Service_Rackspace_Servers $service
     * @param  array $data
     * @return void
     */
    public function __construct($service, $data)
    {
        if (!($service instanceof Zend_Service_Rackspace_Servers) || !is_array($data)) {
            require_once 'Zend/Service/Rackspace/Servers/Exception.php';
            throw new Zend_Service_Rackspace_Servers_Exception(self::ERROR_PARAM_CONSTRUCT);
        }
        if (!array_key_exists('name', $data)) {
            require_once 'Zend/Service/Rackspace/Servers/Exception.php';
            throw new Zend_Service_Rackspace_Servers_Exception(self::ERROR_PARAM_NO_NAME);
        }
        if (!array_key_exists('id', $data)) {
            require_once 'Zend/Service/Rackspace/Servers/Exception.php';
            throw new Zend_Service_Rackspace_Servers_Exception(self::ERROR_PARAM_NO_ID);
        }
        if (isset($data['servers']) && !is_array($data['servers'])) {
            require_once 'Zend/Service/Rackspace/Servers/Exception.php';
            throw new Zend_Service_Rackspace_Servers_Exception(self::ERROR_PARAM_NO_SERVERS);
        } 
        $this->service= $service;
        $this->name = $data['name'];
        $this->id = $data['id'];
        if (isset($data['servers'])) {
            $this->serversId= $data['servers'];
        }    
    }
    /**
     * Get the name of the shared IP group
     *
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }
    /**
     * Get the id of the shared IP group
     * 
     * @return string 
     */
    public function getId()
    {
        return $this->id;
    }
    /**
     * Get the server's array of the shared IP group
     * 
     * @return string 
     */
    public function getServersId()
    {
        if (empty($this->serversId)) {
            $info= $this->service->getSharedIpGroup($this->id);
            if (($info!==false)) {
                $info= $info->toArray();
                if (isset($info['servers'])) {
                    $this->serversId= $info['servers'];
                }
            }    
        }
        return $this->serversId;
    }
    /**
     * Get the server 
     * 
     * @param integer $id
     * @return Zend_Service_Rackspace_Servers_Server|boolean
     */
    public function getServer($id)
    {
        if (empty($this->serversId)) {
            $this->getServersId();
        }
        if (in_array($id,$this->serversId)) {
            return $this->service->getServer($id);
        }
        return false;
    }
    /**
     * Create a server in the shared Ip Group
     * 
     * @param  array $data
     * @param  array $metadata
     * @param  array $files 
     * @return Zend_Service_Rackspace_Servers_Server|boolean
     */
    public function createServer(array $data, $metadata=array(),$files=array()) 
    {
        $data['sharedIpGroupId']= (integer) $this->id;
        return $this->service->createServer($data,$metadata,$files);
    }
    /**
     * To Array
     * 
     * @return array 
     */
    public function toArray()
    {
        return array (
            'name'    => $this->name,
            'id'      => $this->id,
            'servers' => $this->serversId
        );
    }
}