<?php

class Qs_View_Helper_FormRating extends Zend_View_Helper_FormElement
{
    public function formRating($name, $value = null, $attribs = null)
    {
        /** @var \Qs_Doc $doc */
        $doc = Zend_Registry::get('doc');

        $doc->addCriticalStylesheet('css/modules/form-element-rating.css');
        $doc->addScript('js/lib/form/element/rating.js');

        $multiOptions = (isset($attribs['options']) && is_array($attribs['options'])) ? $attribs['options'] : [];

        $options = [
            'multiOptions' => $this->_getMultiOptionsForJs($attribs['id'], $multiOptions),
            'elementId'    => $attribs['id']
        ];
        $doc->addInitObject('lib.form.element.Rating', [$options]);

        $radioHelper = new Zend_View_Helper_FormRadio();
        $radioHelper->setView($this->view);

        if (array_key_exists('options', $attribs)) {
            unset($attribs['options']);
        }

        if (array_key_exists('listsep', $attribs)) {
            unset($attribs['listsep']);
        }

        $xhtml = $radioHelper->formRadio($name, $value, $attribs, $multiOptions, '');

        return $xhtml;
    }

    protected function _getMultiOptionsForJs($id, $options)
    {
        $result = [];
        foreach ($options as $value => $label) {
            $result[] = ['id' => $id . '-' . $value, 'value' => $value];
            }
        return $result;
    }
}