<?php

namespace addons\Mch\api\modules\v1\controllers;

use addons\Mch\common\models\Mch;
use api\controllers\OnAuthController;
use common\enums\StatusEnum;
use common\models\cart\Cart;
use common\models\goods\Goods;
use common\models\goods\GoodsAttr;
use common\models\user\UserLevel;


/**
 * Class CartController
 * @package api\modules\goods\controllers
 */
class CartController extends OnAuthController
{
    public $modelClass = '';

    /**
     * 不用进行登录验证的方法
     * 例如： ['index', 'update', 'create', 'view', 'delete']
     * 默认全部需要验证
     *
     * @var array
     */
    protected $authOptional = [];


    /**
     * 添加购物车
     * @return mixed|void
     */
    public function actionAdd()
    {
        try {
            $params = \Yii::$app->request->post();
            $res = \Yii::$app->services->validate->validate($params, [
                [['goods_id','attr_id', 'num'], 'required'],
            ]);
            if ($res === false) return $this->error(\Yii::$app->services->validate->getErrorMessage());
            $goods = Goods::findOne([
                'id'=>$params['goods_id'],
                'status'=>StatusEnum::ENABLED,
                'is_on_sale'=>1,
                'check_status'=>1,
            ]);
            if (empty($goods)) return $this->error("商品不存在");
            if(!empty($goods['goods_source'])) return $this->error('该商品不允许加入购物车');
            if(empty($goods['mch_id'])) return $this->error('该商品不允许加入购物车');
            // 没有规格id则查找默认规格【寻找价格最低的规格】
            $where = ['goods_id' => $params['goods_id'], 'status' => StatusEnum::ENABLED];
            !empty($params['attr_id']) && $where['id'] = $params['attr_id'];
            $goods_attr = GoodsAttr::find()->where($where)->orderBy('price asc')->one();
            if($goods_attr->goods_id!=$params['goods_id']) return $this->error("goods_id与attr_id不配对");
            if (empty($goods->is_attr)) {
                if (empty($goods->stock)) return $this->error('库存不足');
            } else {
                //多规格
                if (empty($goods_attr)) return $this->error("所选的规格不存在");
                if (empty($goods_attr->stock)) return $this->error("所选的规格库存不足");
            }
            $params['mch_id'] = $goods['mch_id'];
            $params['mall_id'] = $this->mall_id;
            $params['user_id'] = $this->user_id;
            Cart::addCart($params);
            return $this->success('加入购物车成功', []);
        }catch (\Exception $e){
            return $this->error($e->getMessage(), []);
        }

    }

    /**
     * 删除购物车
     * @return mixed|void
     */
    public function actionDel()
    {
        $params = \Yii::$app->request->post();
        $res = \Yii::$app->services->validate->validate($params, [
            [['list'], 'required'],
        ]);
        if ($res === false) return $this->error(\Yii::$app->services->validate->getErrorMessage());
        $params['mall_id'] = $this->mall_id;
        $params['user_id'] = $this->user_id;
        Cart::delCart($params);
        return $this->success('操作成功', []);
    }

    /**
     * 购物车列表
     * @return mixed|void
     */
    public function actionIndex()
    {
        $params = \Yii::$app->request->get();
        $res = \Yii::$app->services->validate->validate($params, [
            [['mch_id'], 'safe'],
        ]);
        if ($res === false) return $this->error(\Yii::$app->services->validate->getErrorMessage());
        $list = Cart::getCartList($this->user_id);
        $mch_list = [];
        $mch_id_arr = [];
        if (!empty($list)) {
            $attr_id_arr = [];
            $num_arr =[];
            foreach ($list as $v) {
                $row = json_decode($v, true);
                if (is_array($row)) {
                    $attr_id_arr[] = $row['attr_id'];
                    $mch_id_arr[] = $row['mch_id'];
                    $num_arr[$row['attr_id']] = $row['num'];
                }
            }
            $params['where'] = [['id' => $attr_id_arr],['>','stock',0],['status'=>StatusEnum::ENABLED]];
            $params['with'] = ['goods' => function ($query) {
                $query->select('id,mch_id,goods_name,is_on_sale,freight_type,cover_pic');
            }];
            $params['select'] = 'id,goods_id,pic_url,price,name,stock';
            $list = GoodsAttr::lists($params);
            if(!empty($params['mch_id'])){
                $mch_id_arr = $params['mch_id'];
            }
            $mch_list = Mch::lists(['where'=>[['id'=>$mch_id_arr]],'select'=>'id,store_name,logo_img,shop_status']);
            $rows = [];
            $user = $this->user;
            $user_level = UserLevel::findOne(['mall_id' => $this->mall_id, 'level' => $user['level'], 'status' => StatusEnum::ENABLED]);
            $discount = 10;
            if (isset($user_level))  $discount = $user_level['discount'];
            if (!empty($list)) {
                foreach ($list as $v) {
                    $member_price_setting = json_decode($v['goods']['extra']['member_price_setting']);
                    $v['member_price'] = Goods::computeMemberPrice($v['price'],$v['sign_id'],$user['level'],$v['goods']['is_attr'],
                        $v['goods']['extra']['is_member_price'],$member_price_setting,$discount);
                    if (!empty($v['goods']['extra']['is_member_price']) && !empty($v['extra']['member_price_setting'])) {
                        $member_price_setting = $v['extra']['member_price_setting'];
                        if ($v['goods']['is_attr']) {
                            if (!empty($member_price_setting['level' . $user['level']][$v['sign_id']])) $v['price'] = $member_price_setting['level' . $user['level']][$v['sign_id']];
                        } else {
                            if (!empty($member_price_setting[$user['level']])) $v['price'] = $member_price_setting[$user['level']];
                        }
                    }
                    if($v['goods']['is_on_sale']){
                        $rows[$v['goods']['mch_id']][] = [
                            'goods_id' => $v['goods_id'],
                            'num' => $num_arr[$v['id']],
                            'attr_id' => $v['id'],
                            'price' => $v['price'],
                            'member_price' => $v['member_price'],
                            'cover_pic' =>$v['pic_url']?$v['pic_url']:$v['goods']['cover_pic'],
                            'attr' => $v['name'],
                            'stock' => $v['stock'],
                            'goods_name' => $v['goods']['goods_name'],
                            'is_on_sale' => $v['goods']['is_on_sale'],
                            'freight_type' => explode(',',$v['goods']['freight_type']),
                        ];
                    }
                }
            }
            foreach ($mch_list as &$val) {
                $total_price =$total_num = 0;
                $list = [];
                if(isset($rows[$val['id']])){
                    foreach ($rows[$val['id']] as $rk => $rv) {
                        $price_sum = 0;
                        $total_num += $rv['num'];
                        $price_sum = bcmul($rv['price'], $rv['num'], 2);
                        $total_price = bcadd($total_price, $price_sum, 2);
                    }
                    $list=$rows[$val['id']];
                }
                $val['list'] = $list;
                $val['total_price'] = $total_price;
                $val['total_num'] = $total_num;
                $val['business_status'] = '';
                $val['business_status'] = $val['shop_status']==1?'正在营业':'休息中';
            }
        }
        return $this->success('操作成功', $mch_list);
    }

    public function actionClear()
    {
        $params['mall_id'] = $this->mall_id;
        $params['user_id'] = $this->user_id;
        $list = Cart::getCartList($this->user_id);
        if (!empty($list)) {
            foreach ($list as $v) {
                $row = json_decode($v, true);
                if (is_array($row)&&!empty($row['mch_id'])) {
                    $params['list'][] = ['attr_id'=>$row['attr_id']];
                }
            }
            Cart::delCart($params);
        }
        return $this->success('操作成功', []);
    }
}