<?php

namespace App\GridBlock\Item\Admin\Form;

use Qs_Form;
use Qs\Form\DynamicForm2Trait;
use Exception;
use App\GridBlock\Item\Admin\Obj;

class EditForm extends Qs_Form
{
    use DynamicForm2Trait;

    protected $_controllerAction = 'update';
    protected $_blockSize = [];

    public function init()
    {
        $this->_dfRelations = $this->getConfigArray('dfRelations');
        return parent::init();
    }

    public function setBlockSize(array $size)
    {
        if (!array_key_exists('width', $size) || empty($size['width'])) {
            throw new Exception('Block width is unknown');
        }
        if (!array_key_exists('height', $size) || empty($size['height'])) {
            throw new Exception('Block height is unknown');
        }
        $this->_blockSize = $size;

        return $this;
    }

    public function getBlockSize($string = false)
    {
        if ($string) {
            if (!empty($this->_blockSize)) {
                return $this->_blockSize['width'] . 'x' . $this->_blockSize['height'];
            }
            return false;
        }
        return $this->_blockSize;
    }

    protected function _initElements()
    {
        $this->addElement('text', 'title', ['label' => 'Title', 'required' => true]);

        $this->addElement(
            'select',
            'type',
            [
                'label'        => 'Item type',
                'required'     => true,
                'multiOptions' => [Obj::TYPE_IMAGE => 'Image', Obj::TYPE_VIDEO => 'Video'],
            ]
        );

        $this->addElement('htmlEditor', 'content', ['label' => 'Content', 'toolbar' => 'Basic']);


        $resize = $this->getBlockSize(true);
        $image = $this->getConfigArray('image');
        if (!array_key_exists($resize, $image)) {
            throw new Exception('Unknown block size');
        }

        $this->addElement(
            'extendedImage',
            'image',
            [
                'label'    => 'Image',
                'required' => (Obj::TYPE_IMAGE == $this->_getData('type')),
                'resize'   => $image[$resize],
            ]
        );
        $this->getElement('image')->getDecorator('label')->setOption('class', 'required');

        $this->addElement('url', 'url', ['label' => 'URL']);

        $this->addElement(
            'media',
            'video',
            [
                'label'   => 'Video',
                'required' => (Obj::TYPE_VIDEO == $this->_getData('type')),
            ]
        );
        $this->getElement('video')->getDecorator('label')->setOption('class', 'required');

        return $this;
    }
}