<?php

class Category extends CategoryCore
{
    const CATEGORY_HOME = 2;
    
    public $home;
    public $description_univers;
    public $long_description;
    public $liste_icons_univers;
    public $linkExclusive;


    public static $definition = array(
        'table' => 'category',
        'primary' => 'id_category',
        'multilang' => true,
        'multilang_shop' => true,
        'fields' => array(
            'nleft' =>                  array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
            'nright' =>                 array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
            'level_depth' =>            array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
            'active' =>                 array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'required' => true),
            'home' =>                   array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'required' => true),
            'id_parent' =>            	array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
            'id_shop_default' =>    	array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
            'is_root_category' =>    	array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
            'position' =>            	array('type' => self::TYPE_INT),
            'date_add' =>            	array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
            'date_upd' =>            	array('type' => self::TYPE_DATE, 'validate' => 'isDate'),

            /* Lang fields */
            'name' =>                   array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isCatalogName', 'required' => true, 'size' => 128),
            'liste_icons_univers' =>    array('type' => self::TYPE_STRING, 'lang' => true, 'size' => 128),
            'link_rewrite' =>        	array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName', 'required' => true, 'size' => 128),
            'description' =>        	array('type' => self::TYPE_HTML, 'lang' => true, 'validate' => 'isCleanHtml'),
            'long_description' =>       array('type' => self::TYPE_HTML, 'lang' => true, 'validate' => 'isCleanHtml'),
            'description_univers' =>    array('type' => self::TYPE_HTML, 'lang' => true, 'validate' => 'isCleanHtml'),
            'linkExclusive' =>          array('type' => self::TYPE_STRING, 'lang' => true, 'size' => 600),
            'meta_title' =>        		array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName', 'size' => 128),
            'meta_description' =>    	array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName', 'size' => 255),
            'meta_keywords' =>       	array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName', 'size' => 255),
        ),
    );

    public static function getChildrenIds($id_parent, $id_lang, $active = true, $id_shop = false)
    {
        if (!Validate::isBool($active))
            die(Tools::displayError());

        $cache_id = 'Category::getChildren_'.(int)$id_parent.'-'.(int)$id_lang.'-'.(bool)$active.'-'.(int)$id_shop;
        if (!Cache::isStored($cache_id))
        {
            $query = '
                SELECT c.`id_category`
                FROM `'._DB_PREFIX_.'category` c
                LEFT JOIN `'._DB_PREFIX_.'category_lang` cl ON (c.`id_category` = cl.`id_category`'.Shop::addSqlRestrictionOnLang('cl').')
                '.Shop::addSqlAssociation('category', 'c').'
                WHERE `id_lang` = '.(int)$id_lang.'
                AND c.`id_parent` = '.(int)$id_parent.'
                '.($active ? 'AND `active` = 1' : '').'
                GROUP BY c.`id_category`
                ORDER BY category_shop.`position` ASC
            ';
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($query);

            $result = array_column($result, 'id_category');

            Cache::store($cache_id, $result);
        }
        return Cache::retrieve($cache_id);
    }

    public function recurseLiteCategTree($max_depth = 3, $current_depth = 0, $id_lang = null, $excluded_ids_array = null)
    {
        $id_lang = is_null($id_lang) ? Context::getContext()->language->id : (int)$id_lang;

        $children = array();
        $subcats = $this->getSubCategories($id_lang, true);
        if (($max_depth == 0 || $current_depth < $max_depth) && $subcats && count($subcats)) {
            foreach ($subcats as &$subcat) {
                if (!$subcat['id_category']) {
                    break;
                } elseif (!is_array($excluded_ids_array) || !in_array($subcat['id_category'], $excluded_ids_array)) {
                    $categ = new Category($subcat['id_category'], $id_lang);
                    $children[] = $categ->recurseLiteCategTree($max_depth, $current_depth + 1, $id_lang, $excluded_ids_array);
                }
            }
        }

        // if (is_array($this->description)) {
        //     foreach ($this->description as $lang => $description) {
        //         $this->description[$lang] = Category::getDescriptionClean($description);
        //     }
        // } else {
        //     $this->description = Category::getDescriptionClean($this->description);
        // }

        return array(
            'id' => (int)$this->id,
            'link' => Context::getContext()->link->getCategoryLink($this->id, $this->link_rewrite),
            'name' => $this->name,
            'desc'=> $this->description,
            'description_univers'=> $this->description_univers,
            'children' => $children
        );
    }
    public function getChildrenCategories($limit = null) 
    {

        $context = Context::getContext();

        $query = '
            SELECT DISTINCT c.*, cl.*
            FROM `'._DB_PREFIX_.'category` c
            LEFT JOIN `'._DB_PREFIX_.'category_lang` cl ON cl.`id_category` = c.`id_category`
            LEFT JOIN `'._DB_PREFIX_.'category_shop` cs ON cs.`id_category` = c.`id_category`
            WHERE c.`id_parent` = '.$this->id.'
            AND cl.`id_lang` = '.$context->language->id.'
            AND cs.`id_shop` = '.$context->shop->id.'
            AND cl.`id_shop` = '.$context->shop->id.'
            AND c.`active` = 1
            ORDER BY cs.`position` ASC
        ';

        if($limit)
        {
            $query .= 'LIMIT 0, '.$limit;
        }

        $categories = Db::getInstance()->executeS($query);

        return !$categories ? false : $categories;

    }


}