<?php
namespace Wbs24\Ozonapinew\Products;
use Wbs24\Ozonapinew\{
    Wrappers
};
/**
 * Класс для работы с разделами товаров Битрикс
 */
class Sections
{
    public function __construct($objects = [])
    {
        $this->wrappers = new Wrappers($objects);
    }
    
    public function getSubSections($parentSectionIds)
    {
        if (!$parentSectionIds) return [];
        $subSectionIds = [];
        $result = $this->wrappers->CIBlockSection->GetList(
            ["SORT" => "ASC"],
            ["SECTION_ID" => $parentSectionIds, "ACTIVE" => "Y"],
            false,
            ["ID"],
        );
        while ($section = $result->Fetch()) {
            $subSectionIds[] = $section['ID'];
        }
        if ($subSectionIds) $subSectionIds = array_merge($subSectionIds, $this->getSubSections($subSectionIds));
        return $subSectionIds;
    }

    public function getAllSections($iblockId)
    {
        $sections = [];
        $result = $this->wrappers->CIBlockSection->GetList(
            ["SORT" => "ASC"],
            ["IBLOCK_ID" => $iblockId],
            false,
            ["ID", "NAME", "IBLOCK_SECTION_ID", "ACTIVE"],
        );
        while ($section = $result->Fetch()) {
            $sections[] = [
                'id' => $section['ID'],
                'active' => $section['ACTIVE'],
                'name' => '['.$section['ID'].'] '.$section['NAME'],
                'parent' => $section['IBLOCK_SECTION_ID'],
            ];
        }
        return $sections;
    }

    public function getSectionTreeFromList($sectionList, $parent = 0)
    {
        $sectionsAsTree = [];
        foreach ($sectionList as $v) {
            if ($v['parent'] != $parent) continue;
            $sectionsAsTree[] = [
                'id' => $v['id'],
                'active' => $v['active'],
                'name' => $v['name'],
                'items' => $this->getSectionTreeFromList($sectionList, $v['id']),
            ];
        }
        
        return $sectionsAsTree;
    }
}