<?php

use KupShop\CatalogBundle\Section\SectionTree;
use KupShop\KupShopBundle\Util\Compat\ServiceContainer;

function getSectionsBlock($params)
{
    /** @var \KupShop\CatalogBundle\Util\ActiveCategory $activeCategory */
    $activeCategory = \KupShop\KupShopBundle\Util\Compat\ServiceContainer::getService(\KupShop\CatalogBundle\Util\ActiveCategory::class);

    $sections = [];

    $catProducer = intval(getVal('IDpd'));

    if (isset($params['producer'])) {
        $catProducer = intval($params['producer']);
    }

    if (!$catProducer) {
        $catProducer = $activeCategory->getProducerId();
    }

    $cat = $params['category'];

    $categoryTree = ServiceContainer::getService(SectionTree::class);

    if ($catProducer > 0) {
        $dbcfg = Settings::getDefault();

        /** @var \Query\QueryBuilder $query */
        $query = sqlQueryBuilder()
            ->select('s.id')
            ->from('sections', 's')
            ->leftJoin('s', 'products_in_sections', 'ps', 's.id=ps.id_section')
            ->leftJoin('s', 'products', 'p', 'ps.id_product=p.id AND p.figure="Y" ')
            ->where('s.figure="Y"')
            ->andWhere('p.producer=:producer')
            ->setParameter('producer', $catProducer)
            ->groupBy('s.id');
        if ($dbcfg->prod_show_not_in_store == 'N') {
            $query->andWhere(\Query\Filter::byInStore(Filter::IN_STORE_SUPPLIER));
        }

        $result = $query->execute();
        $selected = [];
        foreach ($result as $row) {
            $selected[$row['id']] = true;
        }

        if (!isset($cat['id'])) {
            $categories = $activeCategory->getCategory();
        } else {
            $categories = $categoryTree->getSectionById($cat['id']);
        }

        if (!empty($categories)) {
            $end = false;
            do {
                $sectionsFallback = $sections;
                $sections = recurseSelectCategories($categories, $selected);
                // avoid infinite
                if (empty($sections)) {
                    $end = true;
                    $sections = $sectionsFallback;
                }
                // if there is only one section
                $categories = $categoryTree->getSectionById(reset($sections)['id']);
            } while (count($sections) < 2 && $end == false);
        }
    } elseif (isset($cat['id']) && $cat['id'] >= 0) {
        $root = $params['root'] ?? false;
        $topsection = ($root && $cat['id'] == 0 ? null : $cat['id']);
        if ($topsection == 0 && !$root) {
            return [];
        }

        $SQL = sqlQueryBuilder()
            ->select('s.*')
            ->from('sections', 's')
            ->leftJoin('s', 'sections_relation', 'sr', 's.id=sr.id_section')
            ->where(
                \Query\Operator::equalsNullable(['s.figure' => 'Y', 'sr.id_topsection' => $topsection])
            )
            ->andWhere('s.id != 0')
            ->andWhere(
                \Query\Translation::coalesceTranslatedFields(
                    \KupShop\I18nBundle\Translations\SectionsTranslation::class
                )
            )
            ->orderBy('sr.position, s.name', 'ASC')
            ->execute();

        foreach ($SQL as $row) {
            $category = $categoryTree->getSectionById($row['id']);
            // Skip subcategory if not visible
            if ($category && !$category->isVisible()) {
                continue;
            }

            $row['title'] = $row['name'];
            $row['title_short'] = $row['name_short'] ? $row['name_short'] : $row['name'];

            if ($row['photo']) {
                $row['photo'] = getImage($row['id'], $row['photo'], '../section/', $params['image'], $row['name'], strtotime($row['date_updated']));
            }

            if (!empty($cat['id']['campaign'])) {
                $row['id'] .= $cat['id']['campaign'];
            }

            $row['data'] = ($row['data'] === null) ? [] : json_decode($row['data'], true);

            if ($category == null) {
                $logger = ServiceContainer::getService('logger');
                $logger->notice('[Proxy Cache] Category is null', ['row' => $row, 'category' => $category]);
            }

            $row['count'] = $category?->getCount() ?: 0;
            $row['in_stock_count'] = $category?->getInStockCount() ?: 0;
            $row['data'] = $category?->getData() ?: [];

            $sections[] = $row;
        }

        if (!empty($params['IDpv'])) {
            $qb = sqlQueryBuilder()->select('s.id')
                ->from('sections', 's')
                ->join('s', 'products_in_sections', 'ps', 's.id = ps.id_section')
                ->join('ps', 'products', 'p', 'p.id = ps.id_product')
                ->join('p', 'parameters_products', 'pap', 'p.id=pap.id_product AND pap.value_list=:value_list')
                ->setParameter('value_list', $params['IDpv']);

            $qb->andWhere((new FilterParams())->getSpec());

            $sectionIds = sqlFetchAll($qb, 'id');

            foreach ($sections as $key => $section) {
                if (!in_array($section['id'], array_keys($sectionIds))) {
                    unset($sections[$key]);
                }
            }
        }

        if (!empty($params['campaign'])) {
            $qb = sqlQueryBuilder()->select('s.id')
                ->from('sections', 's')
                ->join('s', 'products_in_sections', 'ps', 's.id = ps.id_section')
                ->join('ps', 'products', 'p', 'p.id = ps.id_product AND FIND_IN_SET(:campaign, p.campaign)')
                ->setParameter('campaign', $params['campaign']);

            $qb->andWhere((new FilterParams())->getSpec());

            $sectionIds = sqlFetchAll($qb, 'id');

            foreach ($sections as $key => $section) {
                if (!in_array($section['id'], array_keys($sectionIds))) {
                    unset($sections[$key]);
                }
            }
        }

        unset($divide, $tblWidth);
    }

    return $sections;
}

function smarty_function_insert_subsections($params, &$smarty)
{
    /** @var \KupShop\CatalogBundle\Util\ActiveCategory $activeCategory */
    $activeCategory = \KupShop\KupShopBundle\Util\Compat\ServiceContainer::getService(\KupShop\CatalogBundle\Util\ActiveCategory::class);
    $tree = $activeCategory->getOpenedTreePath();

    $default = [
        'template' => 'block.subsections.tpl',
        'category' => null,
        'up' => true,
        'selection' => $tree,
    ];

    $params = array_merge($default, $params);

    if (empty($params['category'])) {
        throw new InvalidArgumentException('Missing \'category\' parameter - array describing category');
    }

    if (empty($params['image'])) {
        $params['image'] = 6;
    }

    if (empty($params['count'])) {
        $params['count'] = 9999;
    }

    $params['sections'] = getSectionsBlock($params);

    if (!empty($params['template'])) {
        $_smarty_tpl_vars = $smarty->tpl_vars;
        echo $smarty->_subTemplateRender($params['template'], $smarty->cache_id, $smarty->compile_id, 0, null, $params, 0, false);
        $smarty->tpl_vars = $_smarty_tpl_vars;
    }

    if (!empty($params['assign'])) {
        $smarty->assign($params['assign'], $params);
    }
}

function recurseSelectCategories($categories, $selected)
{
    $result = [];

    if (isset($categories['submenu'])) {
        $categories = $categories['submenu'];
    }

    foreach ($categories as $category) {
        $children = [];
        if (isset($selected[$category['id']]) || $children = recurseSelectCategories($category['submenu'], $selected)) {
            if (!empty($category['submenu']) && empty($children)) {
                $children = recurseSelectCategories($category['submenu'], $selected);
            }
            $result[] = [
                'id' => $category['id'],
                'title' => $category['title'],
                'title_short' => $category['title_short'] ?: $category['title'],
                'photo' => $category['photo'] ?? null,
                'parents' => $category['parents'],
                'children' => $children,
            ];
        }
    }

    return $result;
}