<?php

namespace app\admin\validate\groupbuy;

use app\common\basics\Validate;
use app\common\model\goods\Goods;
use app\common\model\goods\GoodsItem;
use app\common\model\groupbuy\GroupbuyGoods;

class GroupbuyValidate extends Validate
{

    protected $rule = [
        'item'              => 'require'
    ];

    protected $message = [
        'item.require'          => '请选择秒杀商品',
    ];


    public function sceneAdd(){
        $this->append('item','checkAdd');

    }
    public function sceneEdit(){
        $this->append('item','checkEdit');

    }

    public function checkEdit($value,$rule,$data){
        $goods_ids = array_unique(array_column($value,'goods_id'));

        $goods = Goods::where(['del'=>0])->column('id');
        $goods_item = GoodsItem::where(['goods_id'=>$goods_ids])->column('price,spec_value_str','id');
        foreach ($value as $item){
            if(!in_array($item['goods_id'],$goods)){
                return '商品ID:'.$item['goods_id'].'已下架';
            }

            $goods_price = $goods_item[$item['item_id']]['price'] ?? 0;

            //验证商品价格
            if($item['activity_price'] > $goods_price){
                return '商品规格:'.$goods_item[$item['item_id']]['spec_value_str'] .'的秒杀价格高于原价';
            }
        }
        return true;
    }


    public function checkAdd($value,$rule,$data){
        $goods_ids = array_unique(array_column($value,'goods_id'));
        $goods = Goods::where(['del'=>0])->column('id');
        $goods_item = GoodsItem::where(['goods_id'=>$goods_ids])->column('price,spec_value_str','id');

        foreach($value as $item) {
            if(!in_array($item['goods_id'],$goods)){
                return '商品ID:'.$item['goods_id'].'已下架';
            }

            $goods_price = $goods_item[$item['item_id']]['price'] ?? 0;
            //验证商品价格
            if($item['price'] > $goods_price){
                return '商品规格:'.$goods_item[$item['item_id']]['spec_value_str'] .'的秒杀价格高于原价';
            }

            // 获取当前商品参与过哪些日期及哪些时段的秒杀
            $GroupbuyGoods = GroupbuyGoods::where(['del'=>1, 'goods_id'=>$item['goods_id']])
                ->field('id')
                ->group('goods_id')->select()->toArray();

            if(!empty($GroupbuyGoods)){
                return '当前商品已经参加抢购活动';
            }
        }

        return true;
    }

}