<?php
/**
 * 重庆赤晓店信息科技有限公司
 * https://www.chixiaodian.com
 * Copyright (c) 2023 赤店商城 All rights reserved.
 */
namespace app\plugins\integral\models\form;


use app\models\Attr;
use app\models\AttrGroup;
use app\models\Goods;
use app\plugins\integral\models\SaasIntegralGoods;
use yii\base\Model;
use yii\helpers\Json;

class GoodsForm extends Model
{
    public $store_id;
    public $attr;
    public $goods_id;
    public $name;
    public $integral;
    public $goods_count;
    public $goods_num;
    public $sales;
    public $sort;
    public $user_num;
    public $cat_id;
    public $detail;


    public function rules() {
        return [
            ['attr', function ($attr, $params) {
                if (!$attr) {
                    $this->addError($attr, "{$attr}数据格式错误。");
                }
            }],
            [['goods_id'], 'required'],
            [['cat_id', 'goods_id', 'integral', 'goods_count', 'sales', 'sort', 'user_num', 'goods_num'], 'integer'],
            [['integral', 'goods_count'], 'integer', 'min' => 1],
            [['name'], 'string', 'max' => 250],
            [['name', 'detail'], 'trim'],
            [['detail'], 'string']
        ];
    }

    public function save() {
        if (!$this->validate()) {
            return ['code' => 1, 'msg' => $this->getErrorSummary(false)[0]];
        }
        if (empty($this->detail)) {
            return [
                'code' => 1,
                'msg' => '请填写商品详情'
            ];
        }
        if (empty($this->goods_id)) {
            return [
                'code' => 1,
                'msg' => '请选择商品'
            ];
        }
        if (empty($this->attr)) {
            return [
                'code' => 1,
                'msg' => '商品规格数据为空'
            ];
        }
        if ($this->goods_count > $this->goods_num) {
            return [
                'code' => 1,
                'msg' => '积分商品规格库存不能大于本商品规格库存'
            ];
        }

        if (intval($this->integral) < 1) {
            return [
                'code' => 1,
                'msg' => '设置积分非法'
            ];
        }
        // 检测是否有重复商品
        $exist_goods = SaasIntegralGoods::find()->where(['store_id' => $this->store_id, 'goods_id' => $this->goods_id, 'is_delete' => 0])->asArray()->all();
        if (!empty($exist_goods) && is_array($exist_goods)) {
            $ids = array_column($this->attr, 'attr_id');
            $exist_goods_attr = [];
            foreach ($exist_goods as $goods) {
                $exist_goods_attr[] = json_decode($goods['attr'], true);
                foreach ($exist_goods_attr as $value) {
                    $exist_goods_id = array_column($value, 'attr_id');
                    if ($exist_goods_id == $ids) {
                        return [
                            'code' => 1,
                            'msg' => '已添加同规格商品'
                        ];
                    }
                }
            }
        }
        $t = \Yii::$app->db->beginTransaction();
        $integralGoods = new SaasIntegralGoods();
        $integralGoods->store_id = $this->store_id;
        $integralGoods->attr = json_encode($this->attr);
        $integralGoods->goods_id = $this->goods_id;
        $integralGoods->name = empty($this->name) ? Goods::findOne($this->goods_id)->name : $this->name;
        $integralGoods->goods_count = $this->goods_count;
        $integralGoods->integral = $this->integral;
        $integralGoods->user_num = $this->user_num;
        $integralGoods->sales = $this->sales;
        $integralGoods->cat_id = $this->cat_id;
        $integralGoods->sort = $this->sort;
        $integralGoods->detail = $this->detail;
        $integralGoods->is_delete = 0;
        if (!$integralGoods->save()) {
            $t->rollBack();
            return [
                'code' => 1,
                'msg' => $integralGoods->errors[0]
            ];
        }
        $ids = array_column(json_decode($integralGoods->attr, true), 'attr_id');
        // 修改库存
        $goods_attr_res = Goods::findOne($integralGoods->goods_id);
        $goods_attr = json_decode($goods_attr_res->attr, true);
        foreach ($goods_attr as $key => $value) {
            $goods_attr_id = array_column($value['attr_list'], 'attr_id');
            if ($ids == $goods_attr_id) {
                $goods_attr[$key]['num'] -= $integralGoods->goods_count;
                if ($goods_attr[$key]['num'] < 0) {
                    $t->rollBack();
                    return [
                        'code' => 1,
                        'msg' => '添加失败'
                    ];
                }
                break;
            }
        }
        $goods_attr_res->attr = json_encode($goods_attr);
        if (!$goods_attr_res->save()) {
            $t->rollBack();
            return [
                'code' => 1,
                'msg' => '添加失败'
            ];
        }
        $t->commit();
        return [
            'code' => 0,
            'msg' => '添加成功'
        ];
    }

    public static function getAttrGroupByAttId($att_id)
    {
        $cache_key = 'get_attr_group_by_attr_id_' . $att_id;
        $attr_group = \Yii::$app->cache->get($cache_key);
        if ($attr_group) {
            return $attr_group;
        }
        $attr_group = AttrGroup::find()->alias('ag')
            ->where(['ag.id' => Attr::find()->select('attr_group_id')->distinct()->where(['id' => $att_id])])
            ->limit(1)->one();
        if (!$attr_group) {
            return $attr_group;
        }
        \Yii::$app->cache->set($cache_key, $attr_group, 10);
        return $attr_group;
    }

}