<?php

namespace app\api\model\app\recommend;

use think\Model;
use think\Db;
use app\api\model\app\agent\Level;
use think\Cache;
class Goods extends Model
{


    // 表名
    protected $name = 'app_recommend_goods';


    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'integer';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = false;
    protected $deleteTime = false;

    // 追加属性
    protected $append = [
    ];


    /**
     * 获取推荐商品列表
     * @param $count
     * @return void
     */
    public function getGoodsList($count){

        $cacheData = Cache::get(\app\common\constant\cache\Keys::COURSE_RECOMMEND);

        if($cacheData){
            foreach ($cacheData as &$item) {
                $goodsType = $item['type'] ?? '';
                $isVirtualPay = \app\common\library\pay\VirtualPayService::isUseVirtualPay($goodsType);
                $item['is_virtual_pay'] = $isVirtualPay ? 1 : 0;
                if ($isVirtualPay && !isset($item['_virtual_converted'])) {
                    $item = \app\common\library\pay\VirtualPayService::convertPriceFields($item, ['price', 'price_marking']);
                    $item['_virtual_converted'] = true;
                }
            }
            unset($item);
            return $cacheData;
        }

        $normalGoodsCondition = [
            'course.status'=>1,
            'sales_type'=>['like',"%alone%"],
            'hide'=>0
        ];

        $normalCount = self::with(['course'])->where($normalGoodsCondition)->count();
        $start = 0;

        if(($normalCount - $count) > 0){
            $start = rand(0,(($normalCount - $count) - 1));
        }
        
        $list = self::with(['course'])
            ->where($normalGoodsCondition)
            ->field(['course.name','course.cover','course.price','course.price_marking','course.pay_type','course.type','course.id'])
            ->limit($start,$count)
            ->select();

        if ($list){

            $vipAppConfig = \app\common\model\app\Config::getConfig('vip');

            foreach ($list as &$item){
                unset($item['course']);

                $item['is_vip_goods'] = false;
                if($vipAppConfig['status'] == 1){
                    //判断是否为会员权益课程
                    $item['is_vip_goods'] = \app\api\model\app\vip\CardPrivilege::checkVipGoods($item['id']);
                }

                $goodsType = $item['type'] ?? '';
                $isVirtualPay = \app\common\library\pay\VirtualPayService::isUseVirtualPay($goodsType);
                $item['is_virtual_pay'] = $isVirtualPay ? 1 : 0;
                if ($isVirtualPay) {
                    $item = \app\common\library\pay\VirtualPayService::convertPriceFields($item, ['price', 'price_marking']);
                    $item['_virtual_converted'] = true;
                }
            }

            unset($item);

            $list = collection($list)->toArray();
        }

        Cache::tag(\app\common\constant\cache\Keys::COURSE_TAG)->set(\app\common\constant\cache\Keys::COURSE_RECOMMEND,$list);

        return $list;
    }


    public function course()
    {
        return $this->belongsTo('app\api\model\course\Course', 'goods_id', 'id', [], 'RIGHT')->setEagerlyType(0);
    }
}