<?php

namespace App\Test\Slide\Admin\Form;

use Qs\Form\FixTrait;
use Qs\Form\SubForm\Table;
use Qs_Array;

abstract class AbstractForm extends \Qs_Form
{
    use FixTrait;

    protected function _initElements()
    {
        $this->addElement('text', 'title', ['label' => 'Title', 'required' => true]);
        $this->addElement('textarea', 'introduction', ['label' => 'Introduction']);
        $this->addElement(
            'text',
            'youtubeUrl',
            [
                'label'       => 'Video',
                'maxlength'   => 255,
                'filters'     => [
                    'StringTrim',
                    ['Callback', ['callback' => [$this, 'youTubeCodeToUrl']]]
                ],
                'validators'  => ['Url', 'YoutubeUrl'],
                'description' => 'YouTube Video Url (e.g.: https://www.youtube.com/watch?v=abcdefghigk)'
                    . ' or code (e.g.: abcdefghigk)',
            ]
        );
        $this->addElement('htmlEditor', 'content', ['label' => 'Content', 'hasMsWordNote' => true]);
        $this->addQuestions();
        $this->addElement(
            'checkbox',
            'enabled',
            [
                'label'      => 'Show on user end',
                'decoration' => 'simple',
                'value'      => 'y'
            ]
        );
        return parent::_initElements();
    }

    public function youTubeCodeToUrl($value)
    {
        if (preg_match('/^(\w|-){11}$/', $value)) {
            return 'https://www.youtube.com/watch?v=' . $value;
        }
        return $value;
    }

    protected function addQuestions()
    {
        $name = 'questions';
        $options = [
            'name'        => $name,
            'defaults'    => Qs_Array::get($this->_defaults, 'questions', []),
            'orientation' => Table::ORIENTATION_VERTICAL,
            'itemClass'   => QuestionRow::CLASS,
            'itemName'    => 'Question',
            'itemsName'   => 'Questions',
        ];
        $this->addSubForm(new Table($options), $name);
        return $this;
    }
}