<?php
/**
 * Script objects, containing script internals
 *
 * @category Xodoa
 * @package Elastica
 * @author avasilenko <hide@address.com>
 * @link http://www.elasticsearch.org/guide/reference/modules/scripting.html
 */
class Elastica_Script
{
    /**
     * @var string
     */
    private $_script;
    /**
     * @var string
     */
    private $_lang;
    /**
     * @var array
     */
    private $_params;

    /**
     * @param string      $script
     * @param array|null  $params
     * @param string|null $lang
     */
    public function __construct($script, array $params = null, $lang = null)
    {
        $this->_script = $script;
        $this->_params = $params;
        $this->_lang   = $lang;
    }

    /**
     * @param string $lang
     */
    public function setLang($lang)
    {
        $this->_lang = $lang;
    }

    /**
     * @return string
     */
    public function getLang()
    {
        return $this->_lang;
    }

    /**
     * @param array $params
     */
    public function setParams($params)
    {
        $this->_params = $params;
    }

    /**
     * @return array
     */
    public function getParams()
    {
        return $this->_params;
    }

    /**
     * @param string $script
     */
    public function setScript($script)
    {
        $this->_script = $script;
    }

    /**
     * @return string
     */
    public function getScript()
    {
        return $this->_script;
    }

    public function toArray()
    {
        $array = array(
            'script' => $this->_script,
        );
        if ($this->_params) {
            $array['params'] = $this->_params;
        }
        if ($this->_lang) {
            $array['lang'] = $this->_lang;
        }

        return $array;
    }
}