<?php
declare(strict_types=1);
namespace app\api\service;

use app\common\model\ShopList;
use app\common\model\StockConfig;
use app\common\model\ProductConfig;
use app\common\model\StockDetail;
/**
 * 录入发货
 */
class SpecService{

   
      //判断价格为空
      public static function getIsZeroSpecsPrice(array $data): bool
      {     
            $result = false;
            foreach ($data as $item) {
                  if(empty($item['price'])) return false;
            }
            return $result;
      }


      //获取规格列表
      public static function getSpecsList(int $type_id, array $data): array
      {     
            $result = [];
            foreach ($data as $item) {
              
                  if($item['type_id'] == $type_id){
                        $result[] = $item;
                  }
            }
            return $result;
      }
       
      
       //录入规格列表
      public static function getDeliveryList(int $uid, array $data): array
      {     
            $result = [];
            $customer_id = ShopList::where('id', $data['shop_id'])->value('customer_id');
            foreach ($data['variety'] as $item) {
                  if(count($item) != 6 || empty(floatval($item['num'])))  throw new \Exception('参数有误！');
                  $specs = ProductConfig::where('id', $item['spec_id'])->field('weight,box_id')->find();
                  if(!$specs)  throw new \Exception('参数有误！');
                  $weight = bcmul((string)$specs->weight, $item['num'], 2);
                  $result[] = [
                        'user_id'         => $uid, 
                        'customer_id'     => $customer_id,
                        'shop_id'         => $data['shop_id'],
                        'plat_id'         => $data['plat_id'],
                        'variety_id'      => $item['variety_id'],
                        'spec_id'         => $item['spec_id'],
                        'num'             => $item['num'],
                        'weigh'           => $weight,
                        'total_price'     => bcmul($item['price'], $item['num'], 2)
                  ];
              
                  //根据品种扣除库存
                  StockDetail::setStockConfigNum((int)$item['variety_id'], (string)-$weight, StockConfig::VarietyName);

                  //根据规格扣除包装箱
                  StockDetail::setStockConfigNum($specs->box_id, (string)-$item['num'], StockConfig::PackingBox);
            }
            return $result;
      }


}