<?php

namespace addons\CloudStock\common\logic\order;

use addons\CloudStock\common\enums\CloudStockEnum;
use addons\CloudStock\common\models\CloudStockAgent;
use addons\CloudStock\common\models\CloudStockAgentGuota;
use addons\CloudStock\common\models\CloudStockGoods;
use addons\CloudStock\common\models\CloudStockIncreaseDetail;
use addons\CloudStock\common\models\CloudStockUpgradeBag;
use common\enums\StatusEnum;

class RestrictPurchases
{

    public function orderPreview(array $params)
    {
        if(!empty($params['data'])&&!empty($params['mall_id'])&&!empty($params['user_id'])){
            $goods_ids = [];
            foreach ($params['data']['group_order_goods'] as $item){
                foreach ($item['goods'] as $goods_id=>$val){
                    $goods_ids[]=$goods_id;
                }
            }
            self::check($params['mall_id'],$params['user_id'],$goods_ids,0,'buy');
        }

    }
    public function orderCreate(array $params)
    {
        if(!empty($params['goods_ids'])&&!empty($params['mall_id'])&&!empty($params['user_id'])){
            self::check($params['mall_id'],$params['user_id'],$params['goods_ids'],0,'buy');
        }

    }

    public static function check($mall_id, $user_id, $goods_ids, $num = 0, $type = 'fill',$source='1')
    {
        try {
            $month = date('Y-m');
            $cloud_stock_agent = CloudStockAgent::findOne(['mall_id' => $mall_id, 'user_id' => $user_id, 'status' => StatusEnum::ENABLED]);
            if (empty($cloud_stock_agent)) return true;
            switch ($type) {
                case 'buy':
                    $give_arr = [];
                    $buy_goods_id_arr = $goods_ids;
                    $upgrade_bag_list = CloudStockUpgradeBag::lists([
                        'where' => [
                            ['mall_id' => $mall_id],
                            ['status' => StatusEnum::ENABLED],
                            ['<=','level',$cloud_stock_agent['level']],
                        ],
                    ]);
                    foreach ($upgrade_bag_list as $item) {
                        $goods_ids = [];
                        if (!empty(intval($item['goods_id']))) {
                            $goods_ids[] = intval($item['goods_id']);
                        } else {
                            $goods_ids = json_decode($item['goods_id'], true);
                        }
                        if (array_intersect($buy_goods_id_arr, $goods_ids)) {
                            if (!empty($item['give_goods_num'])) {
                                if (!empty(intval($item['give_goods_num']))) {
                                    $give_goods_num[] = intval($item['give_goods_num']);
                                    if (!empty($item['give_goods_id'])) {
                                        if (isset($give_arr[$item['give_goods_id']])) {
                                            $give_arr[$item['give_goods_id']] += $item['give_goods_num'];
                                        } else {
                                            $give_arr[$item['give_goods_id']] = $item['give_goods_num'];
                                        }
                                    }
                                } else {
                                    $give_goods_num = json_decode($item['give_goods_num'], true);
                                    foreach ($give_goods_num as $give_goods) {
                                        if (isset($give_arr[$give_goods['goods_id']])) {
                                            $give_arr[$give_goods['goods_id']] += $give_goods['num'];
                                        } else {
                                            $give_arr[$give_goods['goods_id']] = $give_goods['num'];
                                        }
                                    }
                                }
                            }
                            break;
                        }
                    }
                    $goods_ids = array_keys($give_arr);
                    if(empty($goods_ids)) return true;
                    break;

            }
            $cloud_stock_agent_fill_num_list = CloudStockIncreaseDetail::find()
                ->where([
                    'mall_id' => $mall_id,
                    'user_id' => $user_id,
                    'status' => StatusEnum::ENABLED,
                    'goods_id' => $goods_ids,
                    'changes_type' => [CloudStockEnum::STOCK_CHANGE_TYPE100,CloudStockEnum::STOCK_CHANGE_TYPE101,],
                ])
                ->andWhere(['>=', 'created_at', strtotime($month . '-01 00:00:00')])
                ->select('sum(num) as num,goods_id')
                ->groupBy('goods_id')
                ->indexBy('goods_id')
                ->all();

            $cloud_stock_agent_guota_list = CloudStockAgentGuota::lists([
                'where' => [
                    ['mall_id' => $mall_id],
                    ['user_id' => $user_id],
                    ['goods_id' => $goods_ids],
                    ['status' => StatusEnum::ENABLED],
                ],
                'index' => 'goods_id'
            ]);

            $cloud_stock_goods = CloudStockGoods::lists([
                'where' => [
                    ['mall_id' => $mall_id],
                    ['goods_id' => $goods_ids],
                    ['status' => StatusEnum::ENABLED]
                ],
                'index' => 'goods_id'
            ]);
            if (empty($cloud_stock_goods)) {
                return true;
            }
            foreach ($goods_ids as $goods_id) {
                if($type=='buy'){
                    $num = 0;
                    if(isset($give_arr[$goods_id])){
                        $num+=$give_arr[$goods_id];
                    }
                }
                if (!isset($cloud_stock_goods[$goods_id])) continue;
                $goods = $cloud_stock_goods[$goods_id];
                if (empty($goods['monthly_purchase'])) continue;
                $monthly_purchase_arr = json_decode($goods['monthly_purchase'], true);
                if (empty($monthly_purchase_arr) || !is_array($monthly_purchase_arr)) continue;
                $monthly_purchase_arr = array_column($monthly_purchase_arr, null, 'level');
                if (!isset($monthly_purchase_arr[$cloud_stock_agent['level']]) || $monthly_purchase_arr[$cloud_stock_agent['level']]['nums'] <= 0) continue;
                $limit_nums = $monthly_purchase_arr[$cloud_stock_agent['level']]['nums'];
                $fill_nums = 0;
                if (isset($cloud_stock_agent_fill_num_list[$goods_id])){
                    $fill_nums = $cloud_stock_agent_fill_num_list[$goods_id]['num'];
                }
                if (isset($cloud_stock_agent_guota_list[$goods_id])) {
                    $limit_nums += $cloud_stock_agent_guota_list[$goods_id]['limit_nums'];
                }
                if ($fill_nums + $num > $limit_nums) {
                    if($source==1){
                        throw new \Exception('您已达到当月补货上限');
                    }else{
                        throw new \Exception('该用户已经达到当月补货上限');
                    }
                }
            }
            return true;
        } catch (\Exception $e) {
            throw new \Exception($e->getMessage());
        }
    }


    //限购数据，剩余数量
    public static function getLimitData($mall_id, $user_id, $goods_ids)
    {
        try {
            $month = date('Y-m');
            $cloud_stock_agent = CloudStockAgent::findOne(['mall_id' => $mall_id, 'user_id' => $user_id, 'status' => StatusEnum::ENABLED]);
            if (empty($cloud_stock_agent)) return [];
            $cloud_stock_agent_fill_num_list = CloudStockIncreaseDetail::find()
                ->where([
                    'mall_id' => $mall_id,
                    'user_id' => $user_id,
                    'status' => StatusEnum::ENABLED,
                    'goods_id' => $goods_ids,
                    'changes_type' => [CloudStockEnum::STOCK_CHANGE_TYPE100,CloudStockEnum::STOCK_CHANGE_TYPE101,],
                ])
                ->andWhere(['>=', 'created_at', strtotime($month . '-01 00:00:00')])
                ->select('sum(num) as num,goods_id')
                ->groupBy('goods_id')
                ->indexBy('goods_id')
                ->all();

            $cloud_stock_agent_guota_list = CloudStockAgentGuota::lists([
                'where' => [
                    ['mall_id' => $mall_id],
                    ['user_id' => $user_id],
                    ['goods_id' => $goods_ids],
                    ['status' => StatusEnum::ENABLED],
                ],
                'index' => 'goods_id'
            ]);

            $cloud_stock_goods = CloudStockGoods::lists([
                'where' => [
                    ['mall_id' => $mall_id],
                    ['goods_id' => $goods_ids],
                    ['status' => StatusEnum::ENABLED]
                ],
                'index' => 'goods_id'
            ]);
            if (empty($cloud_stock_goods)) return [];
            $data = [];
            foreach ($goods_ids as $goods_id) {
                if (!isset($cloud_stock_goods[$goods_id])) continue;
                $goods = $cloud_stock_goods[$goods_id];
                if (empty($goods['monthly_purchase'])) continue;
                $monthly_purchase_arr = json_decode($goods['monthly_purchase'], true);
                if (empty($monthly_purchase_arr) || !is_array($monthly_purchase_arr)) continue;
                $monthly_purchase_arr = array_column($monthly_purchase_arr, null, 'level');
                if (!isset($monthly_purchase_arr[$cloud_stock_agent['level']]) || $monthly_purchase_arr[$cloud_stock_agent['level']]['nums'] <= 0) continue;
                $limit_nums = $monthly_purchase_arr[$cloud_stock_agent['level']]['nums'];
                $fill_nums = 0;
                if (isset($cloud_stock_agent_fill_num_list[$goods_id])){
                    $fill_nums = $cloud_stock_agent_fill_num_list[$goods_id]['num'];
                }
                if (isset($cloud_stock_agent_guota_list[$goods_id])) {
                    $limit_nums += $cloud_stock_agent_guota_list[$goods_id]['limit_nums'];
                }
                $remaining_quantity = $limit_nums-$fill_nums;
                if($remaining_quantity<0) $remaining_quantity = 0;
                $data[$goods_id] = [
                    'month_quota'=>$limit_nums,
                    'remaining_quantity'=>$remaining_quantity,
                ];
            }
            return $data;
        } catch (\Exception $e) {
            \Yii::error('getLimitData:'.$e->getMessage());
            return [];
        }
    }
}