<?php

namespace app\store\model\coupon;

use app\common\library\helper;
use app\common\model\coupon\CouponGenRedeemCodes as GenRedeemCodesModel;


use app\common\model\User;
use app\common\model\GoodsSku as GoodsSkuModel;
use app\common\model\Goods as GoodsModel;
use app\store\model\Coupon;
use think\facade\Db;

/**
 * 优惠券生成兑换码记录模型
 * @package app\common\model
 */
class CouponGenRedeemCodes extends GenRedeemCodesModel
{
    /**
     * 生成兑换码
     * @param $data
     * @return bool
     */
    public function addCodes($data){
        $bathLength = 2000;
        $m = new self();
        $new = ['coupon_id'=>$data['couponId'],'amount'=>$data['amount'],'give_type'=>$data['giveType'],'give_channel'=>$data['giveChannel']];
        Db::startTrans();
        try{
            $res = $m->create($new);
            $id = $res->id??0;
            $codeM = new CouponRedeemCodes();

            if ($data['giveType'] == 1){
                $codes = [['coupon_id'=>$data['couponId'],'coupon_gen_redeem_codes_id'=>$id,'redeem_code'=>$data['code']]];
                $codeM->addBatch($codes);
            }elseif ($data['giveType'] == 2){
                $remainAmount = $data['amount'];
                $times = ceil($remainAmount/$bathLength);
                for($i=0;$i<$times;$i++){
                    $codes = [];
                    if ($remainAmount >= $bathLength){
                        //$redeemCodes = gen_rand8($bathLength);
                        $redeemCodes = gen_rand_number8($bathLength);
                        for($j=0;$j<$bathLength;$j++){
                            $codes[] = ['coupon_id'=>$data['couponId'],'coupon_gen_redeem_codes_id'=>$id,'redeem_code'=>$redeemCodes[$j]];
                        }
                        $codeM->addBatch($codes);
                    }

                    if ($remainAmount > 0 && $remainAmount<$bathLength){
                        //$redeemCodes = gen_rand8($remainAmount);
                        $redeemCodes = gen_rand_number8($bathLength);
                        for($j=0;$j<$remainAmount;$j++){
                            $codes[] = ['coupon_id'=>$data['couponId'],'coupon_gen_redeem_codes_id'=>$id,'redeem_code'=>$redeemCodes[$j]];
                        }
                        $codeM->addBatch($codes);
                    }
                    $remainAmount -= $bathLength;
                }
            }else{
                return true;
            }
            Db::commit();
        }catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
            log_record(__METHOD__.$e->getMessage(),'error');
            return false;
        }
        return true;
    }

    /**
     * 兑换详细列表
     * @param array $params
     * @return mixed
     */
    public function getAllList(array $params = [])
    {
       // 检索查询条件
        $filter = $this->getQueryFilter($params);

        $query = $this->alias('cc');
        //券状态
        if (isset($params['open_status']) && $params['open_status'] >= 0){
            if($params['open_status'] == 1){
                $query = $query->where('cp.status',1)->whereRaw('cp.expire_type=10 or (cp.expire_type =20 and  unix_timestamp(cp.expire_time) > unix_timestamp(NOW()))');
            }else{
                $query = $query->whereRaw('cp.status=0 or (cp.expire_type =20 and  unix_timestamp(cp.expire_time) < unix_timestamp(NOW()))');
            }
        }

        // 获取数据列表
        $query = $query->where($filter)
            ->leftJoin('coupon cp', 'cc.coupon_id = cp.coupon_id')
            ->field('cc.id,cc.coupon_id,cc.amount,cc.give_type,cc.give_channel,cp.name,cp.coupon_type,cp.reduce_price,cp.min_price,
            cp.describe,cp.expire_type,cp.expire_day,cp.expire_time,cp.status,cp.audit_status,
            cp.discount_type,cp.max_discount_price,cp.overlay_discount,cp.discount');
        return $query->order(['cc.id' => 'desc'])->paginate(15)->each(function($item){
            $item->open_status = 0;//券状态
            if ($item->status == 1){
                if ($item->expire_type == 10){//到期类型(10领取后生效 20固定时间)
                    $item->open_status = 1;
                }elseif ($item->expire_type == 20 && strtotime($item->expire_time) > time()){//
                    $item->open_status = 1;
                }else{
                    $item->open_status = 0;
                }
            }
            $item->overlay_discount = $item->overlay_discount ? explode(',', $item->overlay_discount) : [];
            $item->overlay_discount_text = '无';
            $od_res = [];
            if (!empty($item->overlay_discount)) {
                foreach ($item->overlay_discount as $od) {
                    if (isset(Coupon::OVERLAY_DISCOUNT[$od])) {
                        $od_res[] = Coupon::OVERLAY_DISCOUNT[$od];
                    }
                }
                $item->overlay_discount_text = implode(',', $od_res);
            }
            $item->discount = $item->discount / 10;
        });
    }

     //查询
    public function getQueryFilter($param){
        $filter = [];
        if(isset($param['name']) && $param['name']){
            $filter[] = ['cp.name','like','%'.$param['name'].'%'];
        }

        if(isset($param['coupon_id']) && $param['coupon_id']){
            $filter[] = ['cc.coupon_id','=',$param['coupon_id']];
        }

        if(isset($param['coupon_type']) && $param['coupon_type']>=0){
            $filter[] = ['cp.coupon_type','=',$param['coupon_type']];
        }

        if(isset($param['status']) && $param['status']>=0){
            $filter[] = ['cp.status','=',$param['status']];
        }

        if(isset($param['audit_status']) && $param['audit_status']>=0){
            $filter[] = ['cp.audit_status','=',$param['audit_status']];
        }

        return $filter;
    }

    /**
     * 检验优惠券数量是否将要超发
     * @param $couponId
     * @param int $num
     * @return float
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function sunAmount($couponId,$num=0){
        $couponM = new Coupon();
        $coupon = $couponM->where('coupon_id',$couponId)->find();
        if (!$coupon){
            return true;
        }
        if ($coupon->limit_total_type == 20){//不限数量
            return false;
        }

        $totalNum = $coupon->total_num??0;

        $m = new self();
        $amount =  intval($m->where('coupon_id',$couponId)->sum('amount'));

        return ($num + $amount ) > $totalNum;
    }


}