<?php

namespace bizHd\goods\services;

use bizHd\base\services\BaseService;
use bizHd\goods\classes\GoodsCategoryClass;
use bizHd\goods\classes\GoodsClass;
use bizHd\goods\classes\GoodsItemClass;
use bizHd\goods\models\GoodsCategory;
use common\components\util;
use Yii;

class GoodsService extends BaseService
{

    public static $baseFile = '\bizHd\goods\classes\GoodsClass';

    //商品列表
    public static function getGoodsList($where, $shop)
    {
        $page = Yii::$app->request->get('page', 1);
        $pageSize = Yii::$app->request->get('pageSize', 20);

        if (isset($where['cId'])) {
            // 使用新的分类商品查询方法
            return self::getCategoryGoodsList($where, $page, $pageSize);
        } else {
            $data = GoodsClass::getList('*', $where, 'updateTime DESC');
            $list = !empty($data['list']) ? $data['list'] : [];
            if (empty($list)) {
                return $data;
            }
            $custom = [];
            $params = [];
            $data['list'] = GoodsClass::groupGoodsBaseInfo($list, $shop, $custom, $params);
            return $data;
        }
    }

    //获取商品完整详情，包括分类 ssh 2019.12.3
    public static function getGoodsInfo($id)
    {
        return GoodsClass::getGoodsInfo($id);
    }

    //删除商品 ssh 2019.12.7
    public static function deleteGoods($goods)
    {
        GoodsClass::deleteGoods($goods['id']);
    }

    //验证对此商品的操作权限 ssh 2019.12.7
    public static function valid($info, $mainId)
    {
        if (empty($info)) {
            util::fail('没有找到商品');
        }
        if ($info['mainId'] != $mainId) {
            util::fail('您无法操作');
        }
    }

    //上下架 ssh 2019.12.8
    public static function changeStatus($id, $status)
    {
        GoodsClass::changeStatus($id, $status);
    }

    //保存花材组合
    public static function saveItemGroup($order, $items, $classId, $name, $adminId)
    {
        $connection = Yii::$app->db;
        $transaction = $connection->beginTransaction();
        $now = date('Y-m-d H:i:s');
        try {
            //新增goods  还有很多字段待确定
            $goodsData = [
                'name' => $name,
                'shopImg' => '',//待确定
                'price' => $order['actPrice'],//实际支付价格
                'adminId' => $adminId,
                'sjId' => $order['sjId'],
                'status' => 0,
                'content' => '',
                'createTime' => $now,
                'updateTime' => $now,
            ];
            $goodsInfo = GoodsClass::add($goodsData);
            $gId = $goodsInfo['id'];
            //新增goodsCategory
            $cateData = [
                'gId' => $gId,
                'name' => $name,
                'cId' => $classId,
                'sjId' => $order['sjId'],
            ];
            GoodsCategoryClass::add($cateData);
            //新增goodsItem
            foreach ($items as $v) {
                $itemData = [
                    'goodsId' => $gId,
                    'productId' => $v['productId'],
                    'itemId' => $v['itemId'],
                ];
                GoodsItemClass::addData($itemData);
            }
        } catch (\Exception $exception) {
            $transaction->rollBack();
            return false;
        }
        return true;
    }

    /**
     * 获取分类下的商品列表，支持分页和库存筛选
     * @param array $where 查询条件
     * @param int $page 页码
     * @param int $pageSize 每页数量
     * @return array
     */
    public static function getCategoryGoodsList($where = [], $page = 1, $pageSize = 20)
    {
        // 构建基础查询
        $query = GoodsCategory::find()
            ->joinWith(['goods' => function ($query) use ($where) {
                // 商品表的筛选条件
                if (isset($where['mainId'])) {
                    $query->andWhere(['xhGoods.mainId' => $where['mainId']]);
                }
                if (isset($where['delStatus'])) {
                    $query->andWhere(['xhGoods.delStatus' => $where['delStatus']]);
                }
                if (isset($where['status'])) {
                    $query->andWhere(['xhGoods.status' => $where['status']]);
                }
                if (isset($where['name'])) {
                    $query->andWhere(['like', 'xhGoods.name', $where['name']]);
                }
                // 如果需要筛选有库存的商品
                if (isset($where['hasStock']) && $where['hasStock'] == 1) {
                    $query->andWhere(['>', 'xhGoods.stock', 0]);
                }
            }]);

        // 分类表的筛选条件
        if (isset($where['cId'])) {
            $query->andWhere(['cId' => $where['cId']]);
        }
        if (isset($where['flower'])) {
            $query->andWhere(['xhGoodsCategory.flower' => $where['flower']]);
        }
        if (isset($where['flowerNum'])) {
            $query->andWhere(['xhGoodsCategory.flowerNum' => $where['flowerNum']]);
        }

        // 计算总数
        $total = $query->count();

        // 分页
        $offset = ($page - 1) * $pageSize;
        $query->offset($offset)->limit($pageSize);

        // 排序
        $query->orderBy(['xhGoodsCategory.inTurn' => SORT_DESC, 'xhGoods.sold' => SORT_DESC]);

        // 获取数据
        $list = $query->all();

        // 整理数据 -- 旧的实现
        // $goodsList = [];
        // foreach ($list as $goodsCategory) {
        //     if ($goodsCategory->goods) {
        //         $goodsData = $goodsCategory->goods->toArray();
        //         // 使用现有的方法处理商品信息
        //         $processedGoods = GoodsClass::groupGoodsBaseInfo([$goodsData]);
        //         if (!empty($processedGoods)) {
        //             $goodsList[] = current($processedGoods);
        //         }
        //     }
        // }


        // 整理数据
        $goodsToProcess = [];
        foreach ($list as $goodsCategory) {
            if ($goodsCategory->goods) {
                $goodsToProcess[] = $goodsCategory->goods->toArray();
            }
        }

        $goodsList = [];
        if (!empty($goodsToProcess)) {
            $goodsList = GoodsClass::groupGoodsBaseInfo($goodsToProcess);
        }

        $totalPage = ceil($total / $pageSize);
        $moreData = $totalPage > $page ? 1 : 0;//是否还有更多数据
        return [
            'list' => $goodsList,
            'total' => $total,
            'page' => $page,
            'pageSize' => $pageSize,
            'moreData' => $moreData,
            'totalPage' => ceil($total / $pageSize)
        ];
    }

}