<?php
/**
 * SaaSMall商城系统 - 团队十年电商经验汇集巨献!
 * =========================================================
 * Copy right 2019-2029 成都SAAS云科技有限公司, 保留所有权利。
 * ----------------------------------------------
 * 官方网址: https://www.gobuysaas.com
 * =========================================================
 */
namespace addon\coupon\model;
use addon\aliapp\model\CloudPay;
use addon\aliapp\model\MinCode;
use addon\coupon\model\alipay\AlistoreCouponType;
use app\model\BaseModel;
use app\model\system\Stat;
use think\Exception;
use think\facade\Log;
/**
 * 优惠券
 */
class Coupon extends BaseModel
{
    /**
     * Common: 领取优惠券 —— 归属平台优惠券领取信息处理
     * Author: wu-hui
     * Time: 2023/07/10 11:34
     * @param $params
     * @return array
     */
    public function newReceiveCoupon($params)
    {
        model('promotion_coupon')->startTrans();
        try {
            // 参数处理
            $couponTypeId = (int)($params['coupon_type_id'] ?? 0);// 优惠券id
            $getType = (int)($params['get_type'] ?? 2);//获取方式:1订单2.直接领取3.活动领取
            $appType = (string)($params['app_type'] ?? '');// 卡卷归属平台：weapp=微信，aliapp=支付宝；为空则没有归属平台仅允许在本平台使用
            // 根据平台进行对应的操作
            $updateData = [];
            switch ($appType) {
                case "weapp":
                    // 微信端
                    $stockId = (int)($params['stock_id'] ?? 0);
                    $couponTypeId = (int)model('promotion_coupon_type')->getValue([
                        ['weapp_stock_id', '=', $stockId]
                    ], 'coupon_type_id', 0);
                    if ($couponTypeId <= 0) throw new Exception('优惠券不存在');
                    $updateData = [
                        'weapp_out_request_no' => $params['out_request_no'],
                        'weapp_stock_id' => $params['stock_id'],
                        'coupon_code' => $params['coupon_code']
                    ];
                    break;
                case "aliapp"  :

                    break;
                default:
                    break;

            }
            // 本平台领券操作
            $result = $this->receiveCoupon($couponTypeId, $params['site_id'], $params['member_id'], $getType);
            // 判断：是否操作修改信息  存在则进行修改操作
            if ($result['code'] == 0 && $updateData) {
                // 修改内容
                model('promotion_coupon')->update($updateData, [
                    ['coupon_id', '=', $result['data']]
                ]);
            } else if ($result['code'] != 0) {
                throw new Exception($result['message']);
            }
            model('promotion_coupon')->commit();
            // 返回信息处理
            $result['data'] = [
                'id' => $result['data'],
                'coupon_type_id' => $couponTypeId
            ];
            return $result;
        } catch (\Exception $e) {
            model('promotion_coupon')->rollback();
            return $this->error('', $e->getMessage());
        }
    }

    /**
     * Common: 领取优惠券 - 记录本平台优惠券领取信息
     * @param     $coupon_type_id
     * @param     $site_id
     * @param     $member_id
     * @param     $get_type
     * @param int $is_stock
     * @param int $is_limit
     * @return array
     * @throws \think\db\exception\DbException
     */
    public function receiveCoupon($coupon_type_id, $site_id, $member_id, $get_type, $is_stock = 0, $is_limit = 1)
    {
        // 用户已领取数量
        if (empty($member_id)) return $this->error('', '请先进行登录');
        $coupon_type_info = model('promotion_coupon_type')->getInfo(['coupon_type_id' => $coupon_type_id, 'site_id' => $site_id]);
        if (!empty($coupon_type_info)) {
            if ($coupon_type_info['count'] != -1 || $is_stock == 0) {
                if ($coupon_type_info['count'] == $coupon_type_info['lead_count']) {
                    return $this->error('', '来迟了该优惠券已被领取完了');
                }
            }
            if ($coupon_type_info['max_fetch'] != 0 && $get_type == 2) {
                //限制领取
                $member_receive_num = model('promotion_coupon')->getCount([
                    'coupon_type_id' => $coupon_type_id,
                    'member_id' => $member_id,
                    'get_type' => 2
                ]);
                if ($member_receive_num >= $coupon_type_info['max_fetch'] && $is_limit == 1) {
                    return $this->error('', '该优惠券领取已达到上限');
                }
            }
            //只有正在进行中的优惠券可以添加或者发送领取)
            if ($coupon_type_info['status'] != 1) return $this->error('', '该优惠券已过期');
            $data = [
                'coupon_type_id' => $coupon_type_id,
                'site_id' => $site_id,
                'coupon_code' => $this->getCode(),
                'member_id' => $member_id,
                'money' => $coupon_type_info['money'],
                'state' => 1,
                'get_type' => $get_type,
                'goods_type' => $coupon_type_info['goods_type'],
                'fetch_time' => time(),
                'coupon_name' => $coupon_type_info['coupon_name'],
                'at_least' => $coupon_type_info['at_least'],
                'type' => $coupon_type_info['type'],
                'discount' => $coupon_type_info['discount'],
                'discount_limit' => $coupon_type_info['discount_limit'],
                'goods_ids' => $coupon_type_info['goods_ids'],
            ];

            if ($coupon_type_info['validity_type'] == 0) $data['end_time'] = $coupon_type_info['end_time'];
            elseif ($coupon_type_info['validity_type'] == 1) $data['end_time'] = (time() + $coupon_type_info['fixed_term'] * 86400);

            $res = model('promotion_coupon')->add($data);
            if ($is_stock == 0) model('promotion_coupon_type')->setInc([['coupon_type_id', '=', $coupon_type_id]], 'lead_count');

            $stat_model = new Stat();
            $stat_model->switchStat([
                'type' => 'receive_coupon',
                'data' => [
                    'site_id' => $site_id,
                    'coupon_id' => $res
                ]
            ]);

            return $this->success($res);
        } else {
            return $this->error('', '未查找到该优惠券');
        }
    }


    /**
     * 获取优惠券来源方式
     * @param $type
     */
    public function getCouponGetType($type = '')
    {
        $get_type = [
            1 => '消费奖励',
            2 => '直接领取',
            3 => '会员升级奖励',
            4 => '商家发放',
            6 => '活动奖励'
        ];
        $event = event('CouponGetType');
        if (!empty($event)) {
            foreach ($event as $k => $v) {
                $get_type[array_keys($v)[0]] = array_values($v)[0];
            }
        }
        if ($type) return $get_type[$type] ?? '';
        else return $get_type;
    }

    /**
     * 获取编码
     */
    public function getCode()
    {
        return random_keys(8);
    }

    public function alipayPassInstanceAdd($site_id, $data)
    {

        // 获取支付宝支付参数(统一支付到平台账户)
        $config_model = new \addon\aliapp\model\Config();
        $config_info = $config_model->getAppConfig($site_id)['data'];

        $ali = new CloudPay();
        $params = [
            "tpl_id" => $data['tpl_id'],
            'tpl_params' => '{"activeTime":"' . $data['activeTime'] . '","expireTime":"' . $data['expireTime'] . '","url":"' . $data['url'] . '","serialNumber":"' . substr($this->uuid(), 0, 20) . '"}',//alipays://platformapi/startapp?appId=2021002103632101
            'recognition_type' => '2',
            'recognition_info' => '{"recognition_info":{"user_id":"' . $data['user_id'] . '","user_token":"' . $data['user_token'] . '"},"user_id":"' . $data['user_id'] . '","user_token":"' . $data['user_token'] . '"}'
        ];

        // 发起请求
        $result = (new MinCode($site_id))->requestApi('alipay.pass.instance.add', $params, []);

        $result = $result['alipay_pass_instance_add_response'];
        if ($result['code'] == 10000) {
            return $this->success($result);
        } else {
            return $this->error('', $result['sub_msg']);
        }
    }

    /**
     * 更新卡券
     * @param $site_id
     * @param $data
     * @return array
     */
    public function alipayPassInstanceUpdate($site_id, $coupon_id, $status = 'USED')
    {

        // 获取支付宝支付参数(统一支付到平台账户)
        $config_model = new \addon\aliapp\model\Config();
        $config_info = $config_model->getAppConfig($site_id)['data'];
        $field = 'm.ali_openid,c.alipay_serial_number';
        $join = [
            ['member m', 'm.member_id = c.member_id', 'LEFT']
        ];
        $data = model('promotion_coupon')->getInfo(['coupon_id' => $coupon_id], $field, 'c', $join);
        $ali = new CloudPay();
        $params = [
            "user_id" => $data['ali_openid'],
            "serial_number" => $data['alipay_serial_number'],
            "channel_id" => model('uni_account')->getInfo([['site_id', '=', $site_id]], 'appid')['appid'],
            "status" => $status,
        ];

        // 发起请求
        $result = (new MinCode($site_id))->requestApi('alipay.pass.instance.update', $params, []);
        // Log::write('优惠券核销结果-优惠券-alipayPassInstanceUpdate：'  . json_encode($result, JSON_UNESCAPED_UNICODE));
        $result = $result['alipay_pass_instance_update_response'];
        if ($result['code'] == 10000) {
            return $this->success($result);
        } else {
            return $this->error('', $result['sub_msg']);
        }
    }


    /**
     * 发放优惠券
     * @param array $coupon_data [ ['coupon_type_id' => xx, 'num' => xx ] ]
     * @param int $site_id
     * @param int $member_id
     * @param int $get_type
     * @param int $related_id
     */
    public function giveCoupon(array $coupon_data, int $site_id, int $member_id, $get_type = 4, $related_id = 0)
    {
        if (empty($member_id)) return $this->error('', '请先选择会员');

        try {
            $coupon_list = [];
            foreach ($coupon_data as $item) {
                $coupon_type_info = model('promotion_coupon_type')->getInfo(['coupon_type_id' => $item['coupon_type_id'], 'site_id' => $site_id, 'status' => 1]);
                if (!empty($coupon_type_info)) {
                    $data = [
                        'coupon_type_id' => $item['coupon_type_id'],
                        'site_id' => $site_id,
                        'coupon_code' => $this->getCode(),
                        'member_id' => $member_id,
                        'money' => $coupon_type_info['money'],
                        'state' => 1,
                        'get_type' => $get_type,
                        'goods_type' => $coupon_type_info['goods_type'],
                        'fetch_time' => time(),
                        'coupon_name' => $coupon_type_info['coupon_name'],
                        'at_least' => $coupon_type_info['at_least'],
                        'type' => $coupon_type_info['type'],
                        'discount' => $coupon_type_info['discount'],
                        'discount_limit' => $coupon_type_info['discount_limit'],
                        'goods_ids' => $coupon_type_info['goods_ids'],
                        'related_id' => $related_id,
                        'end_time' => 0
                    ];
                    if ($coupon_type_info['validity_type'] == 0) {
                        $data['end_time'] = $coupon_type_info['end_time'];
                    } elseif ($coupon_type_info['validity_type'] == 1) {
                        $data['end_time'] = (time() + $coupon_type_info['fixed_term'] * 86400);
                    }
                    for ($i = 0; $i < $item['num']; $i++) {
                        $data['coupon_code'] = $this->getCode();
                        array_push($coupon_list, $data);
                    }
                    model('promotion_coupon_type')->setInc([['coupon_type_id', '=', $item['coupon_type_id']]], 'lead_count', $item['num']);
                }
            }
            if (empty($coupon_list)) return $this->error('', '没有可发放的优惠券');

            $res = model('promotion_coupon')->addList($coupon_list);
            return $this->success($res);
        } catch (\Exception $e) {
            return $this->error('', '发放失败');
        }
    }


    /**
     * Common: 使用优惠券
     * Time: 2023/07/18 9:56
     * @param $coupon_id
     * @param $member_id
     * @param $use_order_id
     * @return array
     */
    public function useCoupon($coupon_id, $member_id, $use_order_id)
    {
        model('promotion_coupon')->startTrans();
        try {
            // 获取优惠券信息
            $couponInfo = model('promotion_coupon')->getInfo(['coupon_id' => $coupon_id]);
            if (!$couponInfo) throw new Exception('无领券信息！');
            $couponTypeInfo = model('promotion_coupon_type')->getInfo(['coupon_type_id' => $couponInfo['coupon_type_id']]);
            if (!$couponTypeInfo) throw new Exception('优惠券不存在！');
            // 根据归属平台 进行对应的操作  app_type=归属平台：weapp=微信，aliapp=支付宝
            if ($couponTypeInfo['app_type'] == 'weapp') {
                // 微信优惠券核销操作   weapp_channel=微信小程序优惠券类型：store=商家券，voucher=代金券
                $couponWeChatModel = new CouponWeChat($couponInfo['site_id']);
                if ($couponTypeInfo['weapp_channel'] == 'store') {
                    // 商家券使用
                    $orderNo = model('order')->getValue(['order_id' => $use_order_id], 'order_no');
                    $memberInfo = model('member')->getInfo(['member_id' => $member_id], 'weapp_openid,wx_openid');
                    $openId = $memberInfo['weapp_openid'] ?? $memberInfo['wx_openid'];
                    $couponWeChatModel->storeMemberUse($couponTypeInfo['weapp_stock_id'], $couponInfo['coupon_code'], $orderNo, $openId);
                } else {
                    // 微信代金券使用：修改订单信息
                    $orderInfo = model('order')->getInfo(['order_id' => $use_order_id]);
                    if ($couponTypeInfo['type'] == 'reward') {
                        // 满减
                        $orderUpdateData = [
                            'coupon_id' => $coupon_id,
                            'coupon_money' => $couponTypeInfo['money'],
                            'order_money' => sprintf("%.2f", $orderInfo['goods_money'] - $couponTypeInfo['money']),
                            'pay_money' => sprintf("%.2f", $orderInfo['pay_money'] - $couponTypeInfo['money']),
                        ];
                        model('order')->update($orderUpdateData, [['order_id', '=', $use_order_id]]);
                    } else if ($couponTypeInfo['type'] == 'discount') {
                        // 折扣
                        $deductionMoney = sprintf("%.2f", $orderInfo['goods_money'] - ($orderInfo['goods_money'] * ($couponTypeInfo['discount'] / 10)));// 优惠金额
                        $orderUpdateData = [
                            'coupon_id' => $coupon_id,
                            'coupon_money' => $deductionMoney,
                            'order_money' => sprintf("%.2f", $orderInfo['goods_money'] - $deductionMoney),
                            'pay_money' => sprintf("%.2f", $orderInfo['pay_money'] - $deductionMoney),
                        ];
                        model('order')->update($orderUpdateData, [['order_id', '=', $use_order_id]]);
                    }
                }
            } else if ($couponTypeInfo['app_type'] == 'aliapp') {
                // 支付宝优惠券核销操作
                switch ($couponTypeInfo['channel']) {
                    case 'alicard':
                        $this->alipayPassInstanceUpdate($couponInfo['site_id'], $coupon_id);
                        break;
                    case 'alistore':
                        $orderInfo = model('order')->getInfo(['order_id' => $use_order_id]);
                        (new AlistoreCouponType())->alipayMarketingActivityOrdervoucherUse($couponInfo['site_id'], $couponTypeInfo['alipay_pass_template_id'], $couponInfo['alipay_serial_number'], 'ZHIFUBAO_TRADE_CHANNEL', $orderInfo['out_trade_no'], $orderInfo['goods_money']);
                        break;
                    case 'alipaydiscount':
                        break;
                }
            }
            // 修改本平台优惠券信息
            $result = model("promotion_coupon")->update([
                'use_order_id' => $use_order_id,
                'use_time' => time(),
                'state' => 2
            ], [
                ['coupon_id', '=', $coupon_id],
                ['member_id', '=', $member_id],
                ['state', '=', 1]
            ]);

            model('promotion_coupon')->commit();
            return $this->success($result);
        } catch (Exception $e) {

            model('promotion_coupon')->rollback();
            return $this->error('', $e->getMessage());
        }
    }

    /**
     * 退还优惠券
     * @param $coupon_id
     * @param $member_id
     */
    public function refundCoupon($coupon_id, $member_id)
    {
        //获取优惠券信息
        $info = model("promotion_coupon")->getInfo([['coupon_id', '=', $coupon_id], ['member_id', '=', $member_id], ['state', '=', 2]]);
        if (empty($info)) {
            return $this->success();
        }

        $data = ['use_time' => 0, 'state' => 1];
        //判断优惠券是否过期
        if ($info['end_time'] <= time()) {
            $data['state'] = 3;
        }

        $couponInfo = model('promotion_coupon')->getInfo(['coupon_id' => $coupon_id]);
        $CouponTypeInfo = model('promotion_coupon_type')->getInfo(['coupon_type_id' => $couponInfo['coupon_type_id']]);
        switch ($CouponTypeInfo['channel']) {
            case 'alicard':
                break;
            case 'alistore':
                (new AlistoreCouponType())->alipayMarketingActivityOrdervoucherRefund($couponInfo['site_id'],
                    $CouponTypeInfo['alipay_pass_template_id'],
                    $couponInfo['alipay_serial_number']
                );
                break;
            case 'alipaydiscount':
                break;
        }

        $result = model("promotion_coupon")->update($data, [['coupon_id', '=', $coupon_id], ['member_id', '=', $member_id], ['state', '=', 2]]);
        return $this->success($result);
    }

    /**
     * 获取优惠券信息
     * @param $condition $coupon_code 优惠券编码
     * @param $field
     * @return array
     */
    public function getCouponInfo($condition, $field)
    {
        $info = model("promotion_coupon")->getInfo($condition, $field);
        return $this->success($info);
    }

    /**
     * 获取优惠券数量
     * @param $condition $coupon_code 优惠券编码
     * @return array
     */
    public function getCouponCount($condition)
    {
        $info = model("promotion_coupon")->getCount($condition);
        return $this->success($info);
    }

    /**
     * 获取优惠券列表
     * @param array $condition
     * @param bool $field
     * @param string $order
     * @param null $limit
     * @return array
     */
    public function getCouponList($condition = [], $field = true, $order = '', $limit = null)
    {
        $list = model("promotion_coupon")->getList($condition, $field, $order, '', '', '', $limit);
        return $this->success($list);
    }

    /**
     * 获取优惠券列表
     * @param array $condition
     * @param int $page
     * @param int $page_size
     * @param string $order
     * @param string $field
     * @param string $alias
     * @param array $join
     * @return array
     */
    public function getCouponPageList($condition = [], $page = 1, $page_size = PAGE_LIST_ROWS, $order = 'fetch_time desc', $field = 'coupon_id,type,discount,coupon_type_id,coupon_name,site_id,coupon_code,member_id,use_order_id,at_least,money,state,get_type,fetch_time,use_time,end_time', $alias = 'a', $join = [])
    {
        $list = model('promotion_coupon')->pageList($condition, $field, $order, $page, $page_size, $alias, $join);
        return $this->success($list);
    }

    /**
     * 获取会员优惠券列表
     * @param $condition
     * @param int $page
     * @param int $page_size
     * @return array
     */
    public function getMemberCouponPageList($condition, $page = 1, $page_size = PAGE_LIST_ROWS)
    {
        $field = 'npc.coupon_name,npc.goods_type,npc.type,npc.use_order_id,npc.coupon_id,npc.coupon_type_id,npc.site_id,npc.coupon_code,npc.member_id,npc.discount_limit,
		npc.at_least,npc.money,npc.discount,npc.state,npc.get_type,npc.fetch_time,npc.use_time,npc.start_time,npc.end_time,mem.nickname,on.order_no,mem.nickname,mem.headimg,mem.mobile';
        $alias = 'npc';
        $join = [
            [
                'member mem',
                'npc.member_id = mem.member_id',
                'inner'
            ],
            [
                'order on',
                'npc.use_order_id = on.order_id',
                'left'
            ]
        ];
        $list = model("promotion_coupon")->pageList($condition, $field, 'fetch_time desc', $page, $page_size, $alias, $join);
        return $this->success($list);
    }

    /**
     * 获取优惠券信息
     * @param $condition
     * @param string $field
     * @return array
     */
    public function getCouponTypeInfo($condition, $field = 'coupon_type_id,site_id,coupon_name,money,count,lead_count,max_fetch,at_least,end_time,image,validity_type,fixed_term,status,type,discount,alipay_pass_template_id,channel,app_type,weapp_channel,weapp_stock_id')
    {
        $info = model("promotion_coupon_type")->getInfo($condition, $field);
        return $this->success($info);
    }

    /**
     * 获取优惠券列表
     * @param array $condition
     * @param bool $field
     * @param string $order
     * @param null $limit
     * @return array
     */
    public function getCouponTypeList($condition = [], $field = true, $order = '', $limit = null, $alias = '', $join = [])
    {
        $list = model("promotion_coupon_type")->getList($condition, $field, $order, $alias, $join, '', $limit);
        return $this->success($list);
    }

    /**
     * 获取优惠券分页列表
     * @param $condition
     * @param int $page
     * @param int $page_size
     * @param string $order
     * @param string $field
     * @return array
     */
    public function getCouponTypePageList($condition, $page = 1, $page_size = PAGE_LIST_ROWS, $order = 'coupon_type_id desc', $field = '*', $alias = '', $join = [])
    {
        $list = model("promotion_coupon_type")->pageList($condition, $field, $order, $page, $page_size, $alias, $join);
        return $this->success($list);
    }

    /**
     * 获取会员已领取优惠券优惠券
     * @param $member_id
     * @param $state
     * @param int $site_id
     * @param int $money
     * @param string $order
     * @return array
     */
    public function getMemberCouponList($member_id, $state, $site_id = 0, $money = 0, $order = "fetch_time desc")
    {
        $condition = array(
            ["member_id", "=", $member_id],
            ["state", "=", $state],
//            [ "end_time", ">", time()]
        );
        if ($site_id > 0) {
            $condition[] = ["site_id", "=", $site_id];
        }
        if ($money > 0) {
//            $condition[] = [ "at_least", "=", 0 ];
            $condition[] = ["at_least", "<=", $money];
        }
        $list = model("promotion_coupon")->getList($condition, "*", $order, '', '', '', 0);
        return $this->success($list);
    }

    public function getMemberCouponCount($condition)
    {
        $list = model("promotion_coupon")->getCount($condition);
        return $this->success($list);
    }

    /**
     * 增加库存
     * @param $param
     * @return array
     */
    public function incStock($param)
    {
        $condition = array(
            ["coupon_type_id", "=", $param["coupon_type_id"]]
        );
        $num = $param["num"];
        $coupon_info = model("promotion_coupon_type")->getInfo($condition, "count,lead_count");
        if (empty($coupon_info))
            return $this->error(-1, "");

        //更新优惠券库存
        $result = model("promotion_coupon_type")->setDec($condition, "lead_count", $num);
        return $this->success($result);
    }

    /**
     * 减少库存
     * @param $param
     * @return array
     */
    public function decStock($param)
    {
        $condition = array(
            ["coupon_type_id", "=", $param["coupon_type_id"]]
        );
        $num = $param["num"];
        $coupon_info = model("promotion_coupon_type")->getInfo($condition, "count,lead_count");
        if (empty($coupon_info))
            return $this->error(-1, "找不到优惠券");

        //编辑sku库存

        if ($coupon_info["count"] != -1) {
            if (($coupon_info["count"] - $coupon_info["lead_count"]) < $num)
                return $this->error(-1, "库存不足");
        }

        $result = model("promotion_coupon_type")->setInc($condition, "lead_count", $num);
        if ($result === false)
            return $this->error();

        return $this->success($result);
    }

    /**
     * 定时关闭
     * @return mixed
     */
    public function cronCouponEnd()
    {
        $couponList = model("promotion_coupon")->getList([['end_time', '>', 0], ['end_time', '<=', time()]]);
        foreach ($couponList as $coupon) {
            if ($coupon['alipay_serial_number']) {
                $this->alipayPassInstanceUpdate($coupon['site_id'], $coupon['coupon_id'], 'CLOSED');
            }
        }
        $res = model("promotion_coupon")->update(['state' => 3], [['state', '=', 1], ['end_time', '>', 0], ['end_time', '<=', time()]]);
        return $res;
    }

    /**
     * 核验会员是否还可以领用某一张优惠券
     * @param $params
     * @return array
     */
    public function checkMemberReceiveCoupon($params)
    {
        $member_id = $params['member_id'];//会员id
        $coupon_type_info = $params['coupon_type_info'];
        $site_id = $params['site_id'];
        $coupon_type_id = $params['coupon_type_id'] ?? 0;
        if ($coupon_type_id > 0) {
            $coupon_type_info = model('promotion_coupon_type')->getInfo(['coupon_type_id' => $coupon_type_id, 'site_id' => $site_id]);
        }
        if (!empty($coupon_type_info)) {
            $coupon_type_id = $coupon_type_info['coupon_type_id'] ?? 0;
            if ($coupon_type_info['count'] != -1) {
                if ($coupon_type_info['count'] == $coupon_type_info['lead_count']) {
                    return $this->error('', '来迟了该优惠券已被领取完了');
                }
            }
            if ($coupon_type_info['max_fetch'] != 0) {
                //限制领取
                $member_receive_num = model('promotion_coupon')->getCount([
                    'coupon_type_id' => $coupon_type_id,
                    'member_id' => $member_id,
                    'get_type' => 2
                ]);
                if ($member_receive_num >= $coupon_type_info['max_fetch']) {
                    return $this->error('', '该优惠券领取已达到上限');
                }
            }
            //只有正在进行中的优惠券可以添加或者发送领取)
            if ($coupon_type_info['status'] != 1) {
                return $this->error('', '该优惠券已过期');
            }
        }
        return $this->success();
    }

    /**
     * 生成UUID
     */
    public function uuid()
    {
        $chars = md5(uniqid(mt_rand(), true));
        $uuid = substr($chars, 0, 8) . '-'
            . substr($chars, 8, 4) . '-'
            . substr($chars, 12, 4) . '-'
            . substr($chars, 16, 4) . '-'
            . substr($chars, 20, 12);
        return $uuid;
    }
}