<?php

namespace app\KitchenScale3\controller\app;

use think\Db;
use think\Controller;

class Guessyoulike extends Controller {

    protected $kitchenscale_db_msg = [
        // 'cookbook' => 'app_user_cookbook',   //食谱表
        // 'cookbook_label' => 'app_user_cookbook_label', //食谱标签表
        // 'cookbook_food_relation' => 'app_user_cookbook_food_relation', //食谱跟食材关系表
        'foodlist2' => 'app_z_national_standard_food_type_2_multilingual', //食材标签表2
        'foodlist3' => 'app_z_national_standard_food_type_3_multilingual',   //食材表
        'kcal_log' => 'app_user_kcal_log_multilingual',                      //用户饮食记录表记录用户吃了什么食材
        'search_history' => 'app_user_search_history_multilingual',          //用户搜索记录表，记录用户搜索过什么内容
        // 'tag_preference' => 'app_user_tag_preference',          //用户标签偏好表
        'recommend_cache' => 'app_recommend_cache_multilingual'              //智能推荐缓存表
    ];

    protected $config = [
        'tag_limit' => 2,
        'item_limit' => 12,
        'cache_time' => 3600
    ];
    protected $translations = [
        'zh' => '搜索最多的食材',
        'en' => 'Most Searched Ingredients',
        'jp' => '最も検索された食材',
        'fra' => 'Ingrédients les Plus Recherchés',
        'de' => 'Am Häufigsten Gesuchte Lebensmittel',
        'kor' => '가장 많이 검색된 재료',
        'ru' => 'Самые Искомые Ингредиенты',
        'pt' => 'Ingredientes Mais Pesquisados',
        'spa' => 'Ingredientes Más Buscados',
        'ara' => 'المكونات الأكثر بحثًا'
    ];
    protected $food_2_ys = [
        'Dairy and Egg Products' => [
            'zh' => '乳制品和蛋类',
            'en' => 'Dairy and Egg Products',
            'jp' => '乳製品と卵製品',
            'fra' => 'Produits laitiers et œufs',
            'de' => 'Milch- und Eiprodukte',
            'kor' => '유제품 및 계란 제품',
            'ru' => 'Молочные продукты и яйца',
            'pt' => 'Laticínios e Ovos',
            'spa' => 'Productos lácteos y huevos',
            'ara' => 'منتجات الألبان والبيض'
        ],
        'Spices and Herbs' => [
            'zh' => '香料和香草',
            'en' => 'Spices and Herbs',
            'jp' => 'スパイスとハーブ',
            'fra' => 'Épices et herbes',
            'de' => 'Gewürze und Kräuter',
            'kor' => '향신료 및 허브',
            'ru' => 'Специи и травы',
            'pt' => 'Especiarias e Ervas',
            'spa' => 'Especias y hierbas',
            'ara' => 'التوابل والأعشاب'
        ],
        'Baby Foods' => [
            'zh' => '婴儿食品',
            'en' => 'Baby Foods',
            'jp' => 'ベビーフード',
            'fra' => 'Aliments pour bébés',
            'de' => 'Babynahrung',
            'kor' => '아기 음식',
            'ru' => 'Детское питание',
            'pt' => 'Alimentos para Bebês',
            'spa' => 'Alimentos para bebés',
            'ara' => 'أغذية الأطفال'
        ],
        'Fats and Oils' => [
            'zh' => '脂肪和油脂',
            'en' => 'Fats and Oils',
            'jp' => '油脂',
            'fra' => 'Graisses et huiles',
            'de' => 'Fette und Öle',
            'kor' => '지방과 오일',
            'ru' => 'Жиры и масла',
            'pt' => 'Gorduras e Óleos',
            'spa' => 'Grasas y aceites',
            'ara' => 'الدهون والزيوت'
        ],
        'Poultry Products' => [
            'zh' => '家禽产品',
            'en' => 'Poultry Products',
            'jp' => '家禽製品',
            'fra' => 'Produits de volaille',
            'de' => 'Geflügelprodukte',
            'kor' => '가금류 제품',
            'ru' => 'Продукты из птицы',
            'pt' => 'Produtos Avícolas',
            'spa' => 'Productos avícolas',
            'ara' => 'منتجات الدواجن'
        ],
        'Soups, Sauces, and Gravies' => [
            'zh' => '汤、酱汁和肉汁',
            'en' => 'Soups, Sauces, and Gravies',
            'jp' => 'スープ、ソース、グレービー',
            'fra' => 'Soupes, sauces et jus',
            'de' => 'Suppen, Saucen und Soßen',
            'kor' => '수프, 소스, 그레이비',
            'ru' => 'Супы, соусы и подливки',
            'pt' => 'Sopas, Molhos e Caldos',
            'spa' => 'Sopas, salsas y salsas',
            'ara' => 'الشوربات والصلصات والمرق'
        ],
        'Sausages and Luncheon Meats' => [
            'zh' => '香肠和午餐肉',
            'en' => 'Sausages and Luncheon Meats',
            'jp' => 'ソーセージとランチョンミート',
            'fra' => 'Saucisses et viandes froides',
            'de' => 'Wurstwaren und Aufschnitt',
            'kor' => '소시지와 점심 고기',
            'ru' => 'Колбасные изделия и мясные нарезки',
            'pt' => 'Salsichas e Carnes Frias',
            'spa' => 'Salchichas y fiambres',
            'ara' => 'النقانق واللحوم الباردة'
        ],
        'Breakfast Cereals' => [
            'zh' => '早餐谷物',
            'en' => 'Breakfast Cereals',
            'jp' => '朝食用シリアル',
            'fra' => 'Céréales pour petit-déjeuner',
            'de' => 'Frühstückscerealien',
            'kor' => '아침 식사 시리얼',
            'ru' => 'Сухие завтраки',
            'pt' => 'Cereais Matinais',
            'spa' => 'Cereales para el desayuno',
            'ara' => 'حبوب الإفطار'
        ],
        'Fruits and Fruit Juices' => [
            'zh' => '水果和果汁',
            'en' => 'Fruits and Fruit Juices',
            'jp' => 'フルーツとフルーツジュース',
            'fra' => 'Fruits et jus de fruits',
            'de' => 'Früchte und Fruchtsäfte',
            'kor' => '과일과 과일 주스',
            'ru' => 'Фрукты и фруктовые соки',
            'pt' => 'Frutas e Sucos de Frutas',
            'spa' => 'Frutas y jugos de frutas',
            'ara' => 'الفواكه وعصائر الفاكهة'
        ],
        'Pork Products' => [
            'zh' => '猪肉产品',
            'en' => 'Pork Products',
            'jp' => '豚肉製品',
            'fra' => 'Produits de porc',
            'de' => 'Schweinefleischprodukte',
            'kor' => '돼지고기 제품',
            'ru' => 'Свиные продукты',
            'pt' => 'Produtos de Porco',
            'spa' => 'Productos de cerdo',
            'ara' => 'منتجات لحم الخنزير'
        ],
        'Vegetables and Vegetable Products' => [
            'zh' => '蔬菜和蔬菜制品',
            'en' => 'Vegetables and Vegetable Products',
            'jp' => '野菜と野菜製品',
            'fra' => 'Légumes et produits végétaux',
            'de' => 'Gemüse und Gemüseprodukte',
            'kor' => '채소와 채소 제품',
            'ru' => 'Овощи и овощные продукты',
            'pt' => 'Vegetais e Produtos Vegetais',
            'spa' => 'Verduras y productos vegetales',
            'ara' => 'الخضروات ومنتجات الخضروات'
        ],
        'Nut and Seed Products' => [
            'zh' => '坚果和种子产品',
            'en' => 'Nut and Seed Products',
            'jp' => 'ナッツと種子製品',
            'fra' => 'Noix et graines',
            'de' => 'Nuss- und Samenprodukte',
            'kor' => '견과류와 씨앗 제품',
            'ru' => 'Орехи и семена',
            'pt' => 'Nozes e Sementes',
            'spa' => 'Frutos secos y semillas',
            'ara' => 'المكسرات والبذور'
        ],
        'Beef Products' => [
            'zh' => '牛肉产品',
            'en' => 'Beef Products',
            'jp' => '牛肉製品',
            'fra' => 'Produits de bœuf',
            'de' => 'Rindfleischprodukte',
            'kor' => '쇠고기 제품',
            'ru' => 'Говяжьи продукты',
            'pt' => 'Produtos de Carne Bovina',
            'spa' => 'Productos de res',
            'ara' => 'منتجات لحم البقر'
        ],
        'Beverages' => [
            'zh' => '饮料',
            'en' => 'Beverages',
            'jp' => '飲料',
            'fra' => 'Boissons',
            'de' => 'Getränke',
            'kor' => '음료',
            'ru' => 'Напитки',
            'pt' => 'Bebidas',
            'spa' => 'Bebidas',
            'ara' => 'المشروبات'
        ],
        'Finfish and Shellfish Products' => [
            'zh' => '鱼类和贝类产品',
            'en' => 'Finfish and Shellfish Products',
            'jp' => '魚介類製品',
            'fra' => 'Poissons et fruits de mer',
            'de' => 'Fisch- und Schalentiere',
            'kor' => '어류 및 갑각류 제품',
            'ru' => 'Рыба и морепродукты',
            'pt' => 'Peixes e Frutos do Mar',
            'spa' => 'Pescados y mariscos',
            'ara' => 'الأسماك والمحار'
        ],
        'Legumes and Legume Products' => [
            'zh' => '豆类和豆制品',
            'en' => 'Legumes and Legume Products',
            'jp' => '豆類と豆製品',
            'fra' => 'Légumineuses et produits dérivés',
            'de' => 'Hülsenfrüchte und Hülsenfruchtprodukte',
            'kor' => '콩류와 콩 제품',
            'ru' => 'Бобовые и продукты из них',
            'pt' => 'Legumes e Produtos de Legumes',
            'spa' => 'Legumbres y productos de legumbres',
            'ara' => 'البقوليات ومنتجاتها'
        ],
        'Lamb, Veal, and Game Products' => [
            'zh' => '羊肉、小牛肉和野味产品',
            'en' => 'Lamb, Veal, and Game Products',
            'jp' => '羊肉、子牛肉、ジビエ製品',
            'fra' => 'Agneau, veau et gibier',
            'de' => 'Lamm, Kalb und Wild',
            'kor' => '양고기, 송아지고기, 야생고기 제품',
            'ru' => 'Баранина, телятина и дичь',
            'pt' => 'Cordeiro, Vitela e Caça',
            'spa' => 'Cordero, ternera y caza',
            'ara' => 'لحم الضأن والعجل والصيد'
        ],
        'Baked Products' => [
            'zh' => '烘焙产品',
            'en' => 'Baked Products',
            'jp' => '焼き菓子',
            'fra' => 'Produits de boulangerie',
            'de' => 'Backwaren',
            'kor' => '구운 제품',
            'ru' => 'Хлебобулочные изделия',
            'pt' => 'Produtos Assados',
            'spa' => 'Productos horneados',
            'ara' => 'المخبوزات'
        ],
        'Sweets' => [
            'zh' => '糖果甜点',
            'en' => 'Sweets',
            'jp' => 'お菓子',
            'fra' => 'Sucreries',
            'de' => 'Süßigkeiten',
            'kor' => '과자',
            'ru' => 'Сладости',
            'pt' => 'Doces',
            'spa' => 'Dulces',
            'ara' => 'الحلويات'
        ],
        'Cereal Grains and Pasta' => [
            'zh' => '谷物和面食',
            'en' => 'Cereal Grains and Pasta',
            'jp' => '穀物とパスタ',
            'fra' => 'Céréales et pâtes',
            'de' => 'Getreide und Nudeln',
            'kor' => '곡물과 파스타',
            'ru' => 'Зерновые и макаронные изделия',
            'pt' => 'Grãos e Massas',
            'spa' => 'Cereales y pasta',
            'ara' => 'الحبوب والمعكرونة'
        ],
        'Fast Foods' => [
            'zh' => '快餐食品',
            'en' => 'Fast Foods',
            'jp' => 'ファストフード',
            'fra' => 'Fast-foods',
            'de' => 'Fast Food',
            'kor' => '패스트푸드',
            'ru' => 'Фастфуд',
            'pt' => 'Fast Foods',
            'spa' => 'Comida rápida',
            'ara' => 'الوجبات السريعة'
        ],
        'Meals, Entrees, and Side Dishes' => [
            'zh' => '餐食、主菜和配菜',
            'en' => 'Meals, Entrees, and Side Dishes',
            'jp' => '食事、メインディッシュ、サイドディッシュ',
            'fra' => 'Repas, plats principaux et accompagnements',
            'de' => 'Mahlzeiten, Hauptgerichte und Beilagen',
            'kor' => '식사, 메인 요리, 사이드 디시',
            'ru' => 'Блюда, основные блюда и гарниры',
            'pt' => 'Refeições, Pratos Principais e Acompanhamentos',
            'spa' => 'Comidas, platos principales y guarniciones',
            'ara' => 'الوجبات والأطباق الرئيسية والأطباق الجانبية'
        ],
        'Snacks' => [
            'zh' => '零食',
            'en' => 'Snacks',
            'jp' => 'スナック',
            'fra' => 'Snacks',
            'de' => 'Snacks',
            'kor' => '과자',
            'ru' => 'Закуски',
            'pt' => 'Lanches',
            'spa' => 'Aperitivos',
            'ara' => 'الوجبات الخفيفة'
        ],
        'American Indian/Alaska Native Foods' => [
            'zh' => '美洲印第安/阿拉斯加原住民食品',
            'en' => 'American Indian/Alaska Native Foods',
            'jp' => 'アメリカ先住民/アラスカ先住民の食品',
            'fra' => 'Aliments amérindiens/autochtones d\'Alaska',
            'de' => 'Indianische/alaskische Ureinwohner-Lebensmittel',
            'kor' => '아메리카 원주민/알래스카 원주민 음식',
            'ru' => 'Пища американских индейцев/коренных жителей Аляски',
            'pt' => 'Alimentos dos Nativos Americanos/Alasca',
            'spa' => 'Alimentos de nativos americanos/de Alaska',
            'ara' => 'أطعمة الأمريكيين الأصليين/سكان ألاسكا الأصليين'
        ],
        'Restaurant Foods' => [
            'zh' => '餐厅食品',
            'en' => 'Restaurant Foods',
            'jp' => 'レストランフード',
            'fra' => 'Plats de restaurant',
            'de' => 'Restaurantgerichte',
            'kor' => '레스토랑 음식',
            'ru' => 'Ресторанная еда',
            'pt' => 'Comidas de Restaurante',
            'spa' => 'Comidas de restaurante',
            'ara' => 'أطعمة المطاعم'
        ],
        'Branded Food Products Database' => [
            'zh' => '品牌食品数据库',
            'en' => 'Branded Food Products Database',
            'jp' => 'ブランド食品データベース',
            'fra' => 'Base de données de produits alimentaires de marque',
            'de' => 'Markenlebensmittel-Datenbank',
            'kor' => '브랜드 식품 데이터베이스',
            'ru' => 'База данных брендовых продуктов питания',
            'pt' => 'Banco de Dados de Produtos Alimentícios Marcados',
            'spa' => 'Base de datos de productos alimenticios de marca',
            'ara' => 'قاعدة بيانات المنتجات الغذائية ذات العلامات التجارية'
        ],
        'Quality Control Materials' => [
            'zh' => '质量控制材料',
            'en' => 'Quality Control Materials',
            'jp' => '品質管理材料',
            'fra' => 'Matériaux de contrôle qualité',
            'de' => 'Qualitätskontrollmaterialien',
            'kor' => '품질 관리 재료',
            'ru' => 'Материалы для контроля качества',
            'pt' => 'Materiais de Controle de Qualidade',
            'spa' => 'Materiales de control de calidad',
            'ara' => 'مواد مراقبة الجودة'
        ],
        'Alcoholic Beverages' => [
            'zh' => '酒精饮料',
            'en' => 'Alcoholic Beverages',
            'jp' => 'アルコール飲料',
            'fra' => 'Boissons alcoolisées',
            'de' => 'Alkoholische Getränke',
            'kor' => '알코올 음료',
            'ru' => 'Алкогольные напитки',
            'pt' => 'Bebidas Alcoólicas',
            'spa' => 'Bebidas alcohólicas',
            'ara' => 'المشروبات الكحولية'
        ]
    ];

    /**
     * 猜你喜欢主接口
     */
    public function getGuessYouLike($user_id = 1, $type = 'food', $limit = null,$language = 'zh') {
        try {
            $cfc = Db::connect('cfc_db');
            // dump(1);
            // 设置限制数量
            $tag_limit = $limit ? intval($limit) : $this->config['tag_limit'];
            $item_limit = $this->config['item_limit'];
            
            // 检查缓存
            // $cache_key = $user_id . ':' . $type;
            // $cache_result = $this->getCache($cfc, $cache_key);
            // // die;
            // if ($cache_result !== null) {
            //     return $cache_result;
            // }
            // dump($language);
            // 判断用户是否有历史数据
            $has_history = $this->checkUserHistory($cfc, $user_id);
            
            if (!$has_history) {
                
                // 新用户，返回最火信息（仅一个标签）
                $result = $this->getPopularRecommendations($cfc, $type, 1, $item_limit,$language);
                // dump($result);
            } else {
                // 老用户，根据类型返回个性化推荐
                if ($type === 'cookbook') {
                    // $result = $this->getCookbookRecommendations($cfc, $user_id, $tag_limit, $item_limit,$language);
                    
                } else {
                    $result = $this->getFoodRecommendations($cfc, $user_id, $tag_limit, $item_limit,$language);
                }
            }
            
            // 确保返回格式正确
            if (!is_array($result)) {
                $result = [];
            }
            
            // 更新缓存
            // $this->updateCache($cfc, $cache_key, $user_id, $type, $result);
            
            return $result;
            
        } catch (\Exception $e) {
            // 记录错误日志
            \think\Log::error('猜你喜欢功能错误: ' . $e->getMessage());
            return [];
        }
    }
    
    /**
     * 检查用户是否有历史数据
     */
    private function checkUserHistory($db, $user_id) {
        try {
            // 检查饮食记录
            $kcal_result = $db->query("
                SELECT COUNT(*) as count 
                FROM {$this->kitchenscale_db_msg['kcal_log']} 
                WHERE aud_id = ? AND is_del = 0
            ", [$user_id]);
            $kcal_count = $kcal_result[0]['count'] ?? 0;
                
            // 检查搜索记录
            $search_result = $db->query("
                SELECT COUNT(*) as count 
                FROM {$this->kitchenscale_db_msg['search_history']} 
                WHERE user_id = ? AND is_del = 0
            ", [$user_id]);
            $search_count = $search_result[0]['count'] ?? 0;
                
            return ($kcal_count > 0 || $search_count > 0);
        } catch (\Exception $e) {
            return false;
        }
    }
    
    /**
     * 获取缓存数据
     */
    private function getCache($db, $cache_key) {
        try {
            $cache_result = $db->query("
                SELECT id, cache_key, user_id, keyword, recommend_data, hit_count, last_hit, is_del, create_time
                FROM {$this->kitchenscale_db_msg['recommend_cache']}
                WHERE cache_key = ? AND is_del = 0
            ", [$cache_key]);
            
            if (!empty($cache_result)) {
                $cache = $cache_result[0];
                $last_hit_timestamp = strtotime($cache['last_hit']);
                
                if (time() - $last_hit_timestamp < $this->config['cache_time']) {
                    // 更新命中次数和时间
                    $db->execute("
                        UPDATE {$this->kitchenscale_db_msg['recommend_cache']} 
                        SET hit_count = hit_count + 1, last_hit = GETDATE()
                        WHERE id = ?
                    ", [$cache['id']]);
                    
                    $data = json_decode($cache['recommend_data'], true);
                    return is_array($data) ? $data : null;
                }
            }
        } catch (\Exception $e) {
            // 忽略缓存错误，继续执行
        }
        
        return null;
    }
    
    /**
     * 更新缓存
     */
    private function updateCache($db, $cache_key, $user_id, $keyword, $data) {
        try {
            $current_time = date('Y-m-d H:i:s');
            $recommend_data = json_encode($data, JSON_UNESCAPED_UNICODE);
            
            // 检查是否存在缓存
            $existing_result = $db->query("
                SELECT id FROM {$this->kitchenscale_db_msg['recommend_cache']} 
                WHERE cache_key = ? AND is_del = 0
            ", [$cache_key]);
            
            if (!empty($existing_result)) {
                // 更新现有缓存
                $db->execute("
                    UPDATE {$this->kitchenscale_db_msg['recommend_cache']} 
                    SET user_id = ?, keyword = ?, recommend_data = ?, hit_count = 1, 
                        last_hit = ?, create_time = ?
                    WHERE cache_key = ? AND is_del = 0
                ", [$user_id, $keyword, $recommend_data, $current_time, $current_time, $cache_key]);
            } else {
                // 插入新缓存
                $db->execute("
                    INSERT INTO {$this->kitchenscale_db_msg['recommend_cache']} 
                    (cache_key, user_id, keyword, recommend_data, hit_count, last_hit, create_time, is_del)
                    VALUES (?, ?, ?, ?, 1, ?, ?, 0)
                ", [$cache_key, $user_id, $keyword, $recommend_data, $current_time, $current_time]);
            }
        } catch (\Exception $e) {
            // 忽略缓存更新错误
        }
    }
    
    /**
     * 获取热门推荐（新用户）
     */
    private function getPopularRecommendations($db, $type, $tag_limit, $item_limit,$language) {
        // dump($type);
        if ($type === 'cookbook') {
            return $this->getPopularCookbooks($db, $tag_limit, $item_limit);
        } else {
            // dump(111);
            return $this->getPopularFoods($db, $tag_limit, $item_limit,$language);
        }
    }
    
    /**
     * 获取热门食谱（新用户）
     */
    private function getPopularCookbooks($db, $tag_limit, $item_limit) {
        try {
            // 简化查询，避免复杂关联导致的错误
            $popular_cookbooks = $db->query("
                SELECT TOP {$item_limit} 
                    id, 
                    title as name
                FROM {$this->kitchenscale_db_msg['cookbook']}
                WHERE is_del = 0
                ORDER BY likes_num DESC, read_it DESC, create_time DESC
            ");
            // dump('sp');
            // dump($popular_cookbooks);
            $result = [];
            $label_data = [];
            
            foreach ($popular_cookbooks as $cookbook) {
                $label_data[] = [
                    'name' => $cookbook['name'] ?? '未知食谱',
                    'id' => $cookbook['id'] ?? 0,
                    'type' => 'cookbook'
                ];
            }
            
            if (!empty($label_data)) {
                $result['最火食谱搜索'] = $label_data;
            }
            
            return $result;
        } catch (\Exception $e) {
            return [];
        }
    }
    
    /**
     * 获取热门食材（新用户）
     */
    private function getPopularFoods($db, $tag_limit, $item_limit,$language) {
        try {
            // dump(2222);
            // // 简化查询，避免复杂关联导致的错误
            $popular_foods = $db->query("
                SELECT TOP {$item_limit} 
                    id,
                    keyword as name,
                    COUNT(*) as num
                FROM {$this->kitchenscale_db_msg['search_history']}
                WHERE is_del = 0 AND type = 'food'
                GROUP BY id, keyword
                ORDER BY num DESC
            ");
            // dump('sc');
            // dump($popular_foods);
            // dump($language);
            if($language == 'zh'){
                $language_key = 'food_name';
            }else{
                if(!$language){
                    $language_key = 'food_name';
                }else{
                    $language_key = 'food_name_'.$language;
                }
                
            }
            // dump($language);
            $popular_foods_2 = [];
            if(count($popular_foods) < $item_limit){
                $num = $item_limit - count($popular_foods);
                // dump($num);
                
                $popular_foods_2 = $db->query("
                    SELECT TOP {$num} 
                        id, 
                        $language_key as name
                    FROM {$this->kitchenscale_db_msg['foodlist3']}
                    WHERE is_del = 0
                    ORDER BY is_popular DESC, $language_key ASC
                ");
            }
            // dump($popular_foods_2);
            
            foreach ($popular_foods_2 as $key => $value) {
                $popular_foods[] = $value;
            }
            
            
            $result = [];
            $label_data = [];
            
            foreach ($popular_foods as $food) {
                $label_data[] = [
                    'name' => $food['name'] ?? '????',
                    'id' => $food['id'] ?? 0,
                    'type' => 'food'
                ];
            }
            
            if (!empty($label_data)) {
                // dump($label_data);
                // dump($this->translations[$language]);
                if($language){
                    $result[$this->translations[$language]] = $label_data;
                }else{
                    $result[$this->translations['zh']] = $label_data;
                }
            }
            // dump($result);
            // die;
            return $result;
        } catch (\Exception $e) {
            return [];
        }
    }
    
    /**
     * 获取个性化食谱推荐（老用户）
     */
    private function getCookbookRecommendations($db, $user_id, $tag_limit, $item_limit) {
        try {
            // 获取用户最常吃的食材
            $user_top_foods = $db->query("
                SELECT TOP 10 food_id, COUNT(*) as eat_count
                FROM {$this->kitchenscale_db_msg['kcal_log']}
                WHERE aud_id = ? AND is_del = 0
                GROUP BY food_id
                ORDER BY eat_count DESC
            ", [$user_id]);
            
            if (empty($user_top_foods)) {
                return $this->getPopularCookbooks($db, $tag_limit, $item_limit);
            }
            
            $food_ids = array_column($user_top_foods, 'food_id');
            if (empty($food_ids)) {
                return $this->getPopularCookbooks($db, $tag_limit, $item_limit);
            }
            $food_ids_str = implode(',', $food_ids);
            
            // 获取包含这些食材的食谱标签
            $preferred_labels = $db->query("
                SELECT TOP {$tag_limit} lbl.id, lbl.name, COUNT(DISTINCT cb.id) as match_count
                FROM {$this->kitchenscale_db_msg['cookbook_label']} lbl
                INNER JOIN {$this->kitchenscale_db_msg['cookbook']} cb ON lbl.id = cb.cook_label AND cb.is_del = 0
                INNER JOIN {$this->kitchenscale_db_msg['cookbook_food_relation']} cfr ON cb.id = cfr.cookbook_id
                WHERE lbl.is_del = 0 AND cfr.food_id IN ({$food_ids_str})
                GROUP BY lbl.id, lbl.name
                ORDER BY match_count DESC
            ");
            
            $result = [];
            foreach ($preferred_labels as $label) {
                // 使用子查询避免GROUP BY复杂性问题
                $cookbooks = $db->query("
                    SELECT TOP {$item_limit} cb.id, cb.title as name
                    FROM {$this->kitchenscale_db_msg['cookbook']} cb
                    WHERE cb.id IN (
                        SELECT DISTINCT cfr.cookbook_id
                        FROM {$this->kitchenscale_db_msg['cookbook_food_relation']} cfr
                        WHERE cfr.food_id IN ({$food_ids_str})
                    )
                    AND cb.cook_label = ? 
                    AND cb.is_del = 0
                    ORDER BY cb.likes_num DESC, cb.read_it DESC
                ", [$label['id']]);
                
                $label_data = [];
                foreach ($cookbooks as $cookbook) {
                    $label_data[] = [
                        'name' => $cookbook['name'] ?? '未知食谱',
                        'id' => $cookbook['id'] ?? 0,
                        'type' => 'cookbook'
                    ];
                }
                
                if (!empty($label_data)) {
                    $result[$label['name'] ?? '未知标签'] = $label_data;
                }
            }
            
            return $result;
        } catch (\Exception $e) {
            return $this->getPopularCookbooks($db, $tag_limit, $item_limit);
        }
    }
    
    /**
     * 获取个性化食材推荐（老用户）
     */
    private function getFoodRecommendations($db, $user_id, $tag_limit, $item_limit,$language) {
        try {
            // 获取用户最常吃的食材
            $user_top_foods = $db->query("
                SELECT TOP 10 food_id, COUNT(*) as eat_count
                FROM {$this->kitchenscale_db_msg['kcal_log']}
                WHERE aud_id = ? AND is_del = 0
                GROUP BY food_id
                ORDER BY eat_count DESC
            ", [$user_id]);
            
            // dump($user_id);
            // dump($language);
            

            if (empty($user_top_foods)) {
                return $this->getPopularFoods($db, $tag_limit, $item_limit,$language);
            }
            
            $food_ids = array_column($user_top_foods, 'food_id');
            if (empty($food_ids)) {
                return $this->getPopularFoods($db, $tag_limit, $item_limit,$language);
            }
            $food_ids_str = implode(',', $food_ids);
            
            // 获取用户偏好食材的分类
            $preferred_categories = $db->query("
                SELECT TOP {$tag_limit} f2.id, f2.name, COUNT(DISTINCT f3.id) as food_count
                FROM {$this->kitchenscale_db_msg['foodlist2']} f2
                INNER JOIN {$this->kitchenscale_db_msg['foodlist3']} f3 ON f2.id = f3.two_id
                WHERE f3.id IN ({$food_ids_str}) AND f2.is_del = 0 AND f3.is_del = 0
                GROUP BY f2.id, f2.name
                ORDER BY food_count DESC
            ");
            
            $result = [];
            if($language == 'zh'){
                $language_key = 'food_name';
            }else{
                if(!$language){
                    $language = 'zh';
                    $language_key = 'food_name';
                }else{
                    $language_key = 'food_name_'.$language;
                }
                
            }
            foreach ($preferred_categories as $category) {
                // 获取该分类下的其他食材
                $foods = $db->query("
                    SELECT TOP {$item_limit} id, $language_key as name
                    FROM {$this->kitchenscale_db_msg['foodlist3']}
                    WHERE two_id = ? AND is_del = 0 AND id NOT IN ({$food_ids_str})
                    ORDER BY is_popular DESC, $language_key ASC
                ", [$category['id']]);
                // dump($foods);
                $category_data = [];
                foreach ($foods as $food) {
                    $category_data[] = [
                        'name' => $food['name'] ?? '????',
                        'id' => $food['id'] ?? 0,
                        'type' => 'food'
                    ];
                }

                if (!empty($category_data)) {
                    $result[$this->food_2_ys[$category['name']][$language] ?? '????'] = $category_data;
                }
            }
            
            return $result;
        } catch (\Exception $e) {
            return $this->getPopularFoods($db, $tag_limit, $item_limit,$language);
        }
    }
}