<?php

namespace App\Event\Form;

use Qs\Form\FixTrait;
use Qs_Form_SubForm;

class OptionListForm extends Qs_Form_SubForm
{
    use FixTrait;

    protected $_optionList;

    protected function _initElements()
    {
        foreach ($this->getOptionList() as $option) {
            $optionItemForm = new OptionItemForm([
                'legend'     => 'Indicate Choices for ' . $option['title'],
                'choiceList' => $option['choiceList'],
            ]);
            $this->addSubForm($optionItemForm, (string) $option['id']);
        }

        return $this;
    }

    public function getOptionList()
    {
        if (empty($this->_optionList)) {
            throw new \Exception('Required option "' . __CLASS__ . '"->_optionList" is missing');
        }
        return $this->_optionList;
    }

    /**
     * [
     *     [
     *         'id' => int,
     *         'title' => string,
     *         'choiceList' => [
     *             'id'    => int    $optionId,
     *             'title' => string $optionTitle,
     *          ],
     *     ],
     *     ...
     * ]
     *
     * @param $optionList
     *
     * @return $this
     */
    public function setOptionList($optionList)
    {
        $this->_optionList = $optionList;
        return $this;
    }

}