<?php

namespace App\GridBlock;

use Qs_Db_Obj;
use Qs_Db;
use Qs_Config;
use Qs_ImageFs;
use Exception;

abstract class AbstractObj extends Qs_Db_Obj
{
    protected $_tableAlias = 'GridBlock';

    protected function _addDependenciesFromDb(array &$data)
    {
        if (!empty($data)) {
            $select = $this->_db->select();
            $select->from($this->_getPair($this->_tableAlias . 'Item'));
            $select->where('`blockId` = ?', $data['id'], Qs_Db::INT_TYPE);
            $data['items'] = $this->_db->fetchAll($select);
        }
        return $this;
    }

    protected function _prepareRow(array &$row)
    {
        if (!empty($row['items'])) {
            $this->_prepareRowItems($row['items']);
        }

        return parent::_prepareRow($row);
    }

    protected function _prepareRowItems(array &$items)
    {
        static $config;

        if (null === $config) {
            $config = Qs_Config::getByClass('App\GridBlock\Item\Admin\View')->toArray();
        }

        foreach ($items as &$item) {
            if (!empty($item['image'])) {
                $size = $item['width'] . 'x' . $item['height'];
                if (!array_key_exists($size, $config['image'])) {
                    throw new Exception('Unknown block size');
                }
                $size = $config['image'][$size];
                $item['backgroundImage'] = Qs_ImageFs::get($item['image'], $size['width'], $size['height'], $size['method']);
            }
            if (!empty($item['video'])) {
                $item['video'] = $this->_tag2BaseUrl($item['video']);
            }
            if (!empty($item['content'])) {
                $item['content'] = $this->_tag2BaseUrl($item['content']);
            }
        }

        return $this;
    }
}