<?php

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

use addons\Store\common\models\Store;
use addons\Store\common\models\StoreCart;
use addons\Store\common\models\StoreGoods;
use addons\Store\common\models\StoreGoodsAttr;
use addons\Store\common\models\StoreOrderDetail;
use addons\Store\common\services\StoreService;
use api\controllers\OnAuthController;
use common\enums\StatusEnum;
use common\models\user\UserLevel;
use function Clue\StreamFilter\fun;


/**
 * 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 = ['index'];


    /**
     * 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());
            $goods = StoreGoods::getOne([
                ['id'=>$params['goods_id']],
                ['status'=>StatusEnum::ENABLED],
                [ 'is_on_sale'=>1],
                ['check_status'=>1],
            ],true,['extra']);
            if (empty($params['num'])) return $this->error("请输入数量");
            if (empty($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');
            // 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'];
            $goods_attr = StoreGoodsAttr::find()->where($where)->orderBy('price asc')->one();
            if($goods_attr->goods_id!=$params['goods_id']) return $this->error("goods_id与attr_id不配对");
            $cart_goods_nums = StoreCart::getCartGoodsNums($this->user_id,$params['attr_id']);
            $goods['num'] = $params['num']+$cart_goods_nums;
            $this->userLimit($this->user,$goods);
            if (empty($goods['is_attr'])) {
                if (empty($goods['stock'])) return $this->error('库存不足');
                if($goods['num']>$goods['stock'])return $this->error('超库存');
            } else {
                //多规格
                if (empty($goods_attr)) return $this->error("所选的规格不存在");
                if (empty($goods_attr['stock'])) return $this->error("所选的规格库存不足");
                if($goods['num']>$goods_attr['stock'])return $this->error('超库存');
            }
            $params['store_id'] = $goods['store_id'];
            $params['mall_id'] = $this->mall_id;
            $params['user_id'] = $this->user_id;
            StoreCart::addCart($params);
            return $this->success('加入购物车成功', []);
        }catch (\Exception $e){
            return $this->error($e->getMessage(), []);
        }
    }

    public function actionUpdateCart()
    {
        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());
            $goods = StoreGoods::getOne([
                ['id'=>$params['goods_id']],
                ['status'=>StatusEnum::ENABLED],
                [ 'is_on_sale'=>1],
                ['check_status'=>1],
            ],true,['extra']);
            if (empty($params['num'])) return $this->error("请输入数量");
            if (empty($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');
            // 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'];
            $goods_attr = StoreGoodsAttr::find()->where($where)->orderBy('price asc')->one();
            if($goods_attr->goods_id!=$params['goods_id']) return $this->error("goods_id与attr_id不配对");
            $goods['num'] = $params['num'];
            $this->userLimit($this->user,$goods);
            if (empty($goods['is_attr'])) {
                if (empty($goods['stock'])) return $this->error('库存不足');
                if($goods['num']>$goods['stock'])return $this->error('超库存');
            } else {
                //多规格
                if (empty($goods_attr)) return $this->error("所选的规格不存在");
                if (empty($goods_attr['stock'])) return $this->error("所选的规格库存不足");
                if($goods['num']>$goods_attr['stock'])return $this->error('超库存');
            }
            $params['store_id'] = $goods['store_id'];
            $params['mall_id'] = $this->mall_id;
            $params['user_id'] = $this->user_id;
            StoreCart::updateCart($params);
            return $this->success('修改购物车成功', []);
        }catch (\Exception $e){
            return $this->error($e->getMessage(), []);
        }
    }

    protected function userLimit($user,$goods){
        $extra = $goods['extra'];
        if(!empty($extra)){
            $member_buy_limit_setting = json_decode($extra['member_buy_limit_setting'],true);
            if (!empty($member_buy_limit_setting['member_level'])) {
                if (!in_array($user->level, $member_buy_limit_setting['member_level'])) {
                    throw new \Exception('该商品为指定会员购买请升级购买');
                }
            }
            if ($member_buy_limit_setting['nums'] > $goods['num']) {
                throw new \Exception('该商品起购数量为' . $member_buy_limit_setting['nums']);
            }
            if ($member_buy_limit_setting['every_num'] < $goods['num'] && $member_buy_limit_setting['every_num'] != 0) {
                throw new \Exception('该商品每次限购' . $member_buy_limit_setting['every_num']);
            }
            $already_buy = $this->statisticsBuyGoodsId($goods['goods_id'] ?? 0, $user['id']);
            if ($member_buy_limit_setting['total_num'] < $goods['num'] + $already_buy['all'] && $member_buy_limit_setting['total_num'] != 0) {
                throw new \Exception('该商品限购' . $member_buy_limit_setting['total_num']);
            }
            if ($member_buy_limit_setting['every_day_num'] < $goods['num'] + $already_buy['day'] && $member_buy_limit_setting['every_day_num'] != 0) {
                throw new \Exception('该商品每日限购' . $member_buy_limit_setting['every_day_num']);
            }
            if ($member_buy_limit_setting['every_week_num'] < $goods['num'] + $already_buy['week'] && $member_buy_limit_setting['every_week_num'] != 0) {
                throw new \Exception('该商品每周限购' . $member_buy_limit_setting['every_week_num']);
            }
            if ($member_buy_limit_setting['every_month_num'] < $goods['num'] + $already_buy['month'] && $member_buy_limit_setting['every_month_num'] != 0) {
                throw new \Exception('该商品每月限购' . $member_buy_limit_setting['every_month_num']);
            }
        }
    }
    protected function statisticsBuyGoodsId($goods_id, $user_id): array
    {
        $params['where'] = [
            [ 'user_id'=>$user_id],
            ['goods_id'=> $goods_id],
//            ['is_feedback'=> OrderStatusEnum::NOT_FEEDBACK],
            ['>=', 'order_status', 0]
        ];
        $params['select'] = 'created_at,num';
        $already_buy = StoreOrderDetail::lists($params);
        $res_data = [
            'day' => 0,
            'week' => 0,
            'month' => 0,
            'all' => 0,
        ];
        if (!empty($already_buy)) {
            $time = time();
            $date = date('Y-m-d', $time);

            $day_start = strtotime($date . ' 00:00:00');
            $day_end = strtotime($date . ' 23:59:59');


            $w = date('w', strtotime($date));
            $week_start = strtotime(date('Y-m-d', strtotime($date . '-' . ($w ? $w - 1 : 6) . 'days')) . ' 00:00:00');
            $week_end = $week_start + (86400 * 6) - 1;


            $date = date('Y-m', $time);
            $month_start = strtotime(date('Y-m-01', strtotime(date($date))) . ' 00:00:00');
            $month_end = $month_start + (86400 * date('t')) - 1;
            foreach ($already_buy as $k) {
                $date = $k['created_at'];
                $num = $k['num'];
                if ($date > $day_start && $date < $day_end) {
                    $res_data['day'] += $num;
                }
                if ($date > $week_start && $date < $week_end) {
                    $res_data['week'] += $num;
                }
                if ($date > $month_start && $date < $month_end) {
                    $res_data['month'] += $num;
                }
                $res_data['all'] += $num;
            }
        }
        return $res_data;
    }

    /**
     * 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'] = $this->user_id;
        StoreCart::delCart($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($params, [
            [['store_id'], 'safe'],
        ]);
        if ($res === false) return $this->error(\Yii::$app->services->validate->getErrorMessage());
        $list = StoreCart::getCartList($this->user_id);
        $store_list = [];
        $store_id_arr = [];
        if (!empty($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'];
                    $store_id_arr[] = $row['store_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,store_id,goods_name,is_on_sale,freight_type,cover_pic')->with(['extra']);
            }];
            $params['select'] = 'id,goods_id,pic_url,price,name,stock';
            $list = StoreGoodsAttr::lists($params);
            if(!empty($params['store_id'])){
                $store_id_arr = $params['store_id'];
            }
            $store_list = Store::lists(['where'=>[['id'=>$store_id_arr]],'select'=>'id,store_name,logo_img,business_time_start,business_time_end']);
            $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 $v) {
                    if($v['goods']['is_on_sale']){
                        $v['member_price'] = StoreGoods::computeMemberPrice($v['price'],$v['sign_id'] ?? 0,$user['level'],$v['goods']['is_attr'] ?? 0,
                            $v['goods']['extra']['is_member_price'],$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(!empty($v['goods']['extra']['member_buy_limit_setting'])){
                            $member_buy_limit_setting = json_decode($v['goods']['extra']['member_buy_limit_setting'],true);
                        }
                        $freight_type = explode(',',$v['goods']['freight_type']);
                        sort($freight_type);
                        $rows[$v['goods']['store_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' => $freight_type,
                            'member_buy_limit_setting' => $member_buy_limit_setting??[],
                        ];
                    }
                }
            }
            foreach ($store_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;
                $val['business_status'] = StoreService::checkBusinessTime($val, 'front') ?? '';
            }
        }
        return $this->success('操作成功', $store_list);
    }

    public function actionClear()
    {
        $get = \Yii::$app->request->get();
        $params = [];
        $params['mall_id'] = $this->mall_id;
        $params['user_id'] = $this->user_id;
        $params['del_type'] = $get['del_type'] ?? 'del';
        $params['select'] = $get['select'] ?? '';
        if ($params['del_type'] == 'select') {
            $attr_ids = explode(',', $params['select']);
            $params['list'] = [];
            foreach ($attr_ids as $id) {
                $params['list'][]['attr_id'] = $id;
            }
            StoreCart::delCart($params);
        } else {
            StoreCart::clearCart($params);
        }
        return $this->success('操作成功', []);
    }
}