<?php
/**
 * 红包功能处理层
 * ============================================================================
 * * 版权所有 蜘蛛出行 * *
 * 网站地址: http://www.zhizhuchuxing.com
 * ----------------------------------------------------------------------------
 * 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和
 * 使用；不允许对程序代码以任何形式任何目的的再发布。
 * ============================================================================
 * Author By: 倪宗锋
 * PhpStorm RedPackService.php
 * Create By 2016/12/5 11:56 $
 */


namespace Activity\Service;


use Activity\Model\ActivityRedPack;
use Base\Tool\WxPayService;
use Model\Model\WechatUser;
use Util\Util\CurlInterface;
use Util\Util\Util;

class RedPackService
{

    public function __construct($activityId = 1)
    {
        $this->config = Util::getWxRedPackConfig($activityId);
    }

    /**
     * Function Description:发送红包参数校验
     * Function Name: checkParams
     * @param $params
     *
     * @return array
     *
     * @author 倪宗锋
     */
    public function checkParams($params)
    {
        if (!isset($params['sign'])) {
            return Util::returnArrEr('缺少签名参数！');
        }
        $getSign = WxPayService::getSign($params);
        if ($getSign != $params['sign']) {
            return Util::returnArrEr('无效的签名！');
        }
        if (empty($params['openid'])) {
            return Util::returnArrEr('参数错误！');
        }
        return Util::returnArrSu();
    }

    /**
     * Function Description:发送红包
     * Function Name: sendRedPack
     * @param $openid
     *
     * @return array
     *
     * @author 倪宗锋
     */
    public function sendRedPack($openid)
    {
        //校验活动时间
        $isTime = $this->isTime();
        if($isTime['flag'] == false) {
            return $isTime;
        }
        //校验用户是否关注公众号
        $isFocus = $this->isFocus($openid);
        if ($isFocus['flag'] == false) {
            return $isFocus;
        }
        //检查红包是否超过总数
        $isTotalCount = $this->isTotalCount();
        if ($isTotalCount['flag'] == false) {
            return $isTotalCount;
        }
        //检查个人领取红包是否超过次数
        $isPersonNum = $this->isPersonNum($openid);
        if ($isPersonNum['flag'] == false) {
            return $isPersonNum;
        }
        //添加红包数据到数据库
        $addActivityRedPack = $this->addActivityRedPack($openid);
        if ($addActivityRedPack['flag'] == false) {
            return $addActivityRedPack;
        }
        $orderId = $addActivityRedPack['data']['oderId'];//订单号
        $redPackId = $addActivityRedPack['data']['redPackId'];//添加的记录的ID
        $price = $addActivityRedPack['data']['price'];//发送金额
        //调用微信发送红包接口
        $sendWxRedPack = $this->sendWxRedPack($openid, $orderId, $price);
        if ($sendWxRedPack['flag'] == true) {
            return Util::returnArrSu();//发送成功
        }
        //发送失败则删除红包
        $this->delActivityRedPack($redPackId);
        return $sendWxRedPack;
    }

    /**
     * Function Description:校验活动时间
     * Function Name: isTime
     *
     * @return array
     *
     * @author 倪宗锋
     */
    public function isTime()
    {
        $now = time();
        if ($this->config['start_time'] != false) {//存在开始时间则校验
            $start = strtotime($this->config['start_time']);
            if ($now < $start) {
                return Util::returnArrEr('活动未开始！');
            }
        }
        if ($this->config['end_time'] != false) {//存在结束时间则校验
            $end = strtotime($this->config['end_time']);
            if ($now > $end) {
                return Util::returnArrEr('活动已结束！');
            }
        }
        return Util::returnArrSu();
    }

    /**
     * Function Description:检查是否关注
     * Function Name: is_focus
     * @param $openid
     *
     * @return array
     *
     * @author 倪宗锋
     */
    public function isFocus($openid)
    {
        $userTab = new WechatUser();
        //获取用户信息
        if ($this->config['is_focus']) {//是否需要在关注后才可以领取
            $userInfo = $userTab->getUserInfoByOpenId($openid);
            if (empty($userInfo['ID']) == false) {
                return Util::returnArrEr('该微信号账号未关注本公众号！');
            }
        }
        return Util::returnArrSu();
    }

    /**
     * Function Description:是否超过总红包个数
     * Function Name: isTotalCount
     *
     * @return array
     *
     * @author 倪宗锋
     */
    public function isTotalCount()
    {
        $redPackTab = new ActivityRedPack();
        if ($this->config['num_total']) {
            $getTotal = $redPackTab->getTotalNum($this->config['act_id']);
            if ($getTotal >= $this->config['num_total']) {
                return Util::returnArrEr('红包存量不足！红包已经发完！');
            }
        }
        return Util::returnArrSu();
    }

    /**
     * Function Description:校验每人领取个数
     * Function Name: isPersonNum
     * @param $openid
     *
     * @return array
     *
     * @author 倪宗锋
     */
    public function isPersonNum($openid)
    {
        $redPackTab = new ActivityRedPack();
        if ($this->config['num_one_person'] == false) {//不限制每人领取红包个数时
            return Util::returnArrSu();
        }
        if ($this->config['unm_one_person_type'] == 1) {
            //用户总的订单数
            $getPersonCount = $redPackTab->getCountByOpenId($openid, $this->config['act_id']);
            $msg = '该活动每人只能参加' . $this->config['num_one_person'] . '次!';
        } else {
            //用的当天的订单数
            $getPersonCount = $redPackTab->getCountByOpenidForToday($openid, $this->config['act_id']);
            $msg = '该活动每人每天只能参加' . $this->config['num_one_person'] . '次!';
        }
        if ($getPersonCount >= $this->config['num_one_person']) {//超过个人领取个数时报错
            return Util::returnArrEr($msg);
        }
        return Util::returnArrSu();
    }

    /**
     * Function Description:添加红包记录
     * Function Name: addActivityRedPack
     * @param $openid
     *
     * @return array
     *
     * @author 倪宗锋
     */
    public function addActivityRedPack($openid)
    {
        $wxConfig = Util::getWxPayConfig();
        $redPackTab = new ActivityRedPack();
        $oderId = $wxConfig['mch_id'] . time().rand(1000,9999);//订单号 组成：mch_id+yyyymmdd+10位一天内不能重复的数字。
        $data = array(
            'openid' => $openid,
            'orderid' => $oderId,
            'activity_id' => 1,
            'price' => rand($this->config['price_min'], $this->config['price_max'])
        );
        $redPackId = $redPackTab->insert($data, 1);//添加记录并获取记录ID
        if ($redPackId == false) {
            return Util::returnArrEr('添加红包记录失败！');
        }
        $return = array('oderId' => $oderId, 'redPackId' => $redPackId, 'price' => $data['price']);
        return Util::returnArrSu('', $return);
    }

    /**
     * Function Description:修改
     * Function Name: delActivityRedPack
     * @param $redPackId
     *
     * @return bool
     *
     * @author 倪宗锋
     */
    public function delActivityRedPack($redPackId)
    {
        $redPackTab = new ActivityRedPack();
        $where = ' id='.$redPackId;
        if($redPackTab->delete($where)){
            return Util::returnArrEr('删除失败！');
        }
        return Util::returnArrSu('删除成功!');
    }

    /**
     * Function Description:发送红包到微信
     * Function Name: sendWxRedPack
     * @param $openid
     * @param $orderId
     * @param $price
     * @return array
     *
     * @author 倪宗锋
     */
    public function sendWxRedPack($openid, $orderId, $price)
    {
        //参数准备
        $wxConfig = Util::getWxPayConfig();
        $wxParams = array(
            'nonce_str' => WxPayService::getNonceStr(),//随机字符串
            'mch_billno' => $orderId,//商户订单号
            'mch_id' => $wxConfig['mch_id'],//商户号
            'wxappid' => $wxConfig['appid'],//公众账号appid
            'send_name' => $wxConfig['appName'],//商户名称
            're_openid' => $openid,//用户openid
            'total_amount' => $price,//付款金额
            'total_num' => 1,//红包发放总人数
            'wishing' => $this->config['wishing'],//红包祝福语
            'client_ip' => Util::getRealIp(),//客户端IP
            'act_name' => $this->config['act_name'],//活动名称
            'remark' => $this->config['remark'],//备注
        );
        $wxParams['sign'] = WxPayService::getSign($wxParams);
        //调用接口
        $curlInterface = new CurlInterface($wxParams, 2);
        $curlInterface->setBaseUrl('https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack');
        $curlInterface->setCert($wxConfig);
        $result = $curlInterface->execute('', 'POST');
        //返回值处理 两个返回码都是成功 才是真的发送成功
        if (empty($result['return_code']) == false && $result['return_code'] == 'SUCCESS') {
            if(empty($result['result_code']) == false && $result['result_code'] == 'SUCCESS') {
                return Util::returnArrSu();
            }
        }
        return Util::returnArrEr('发送红包到微信失败！' . $result['return_code']);
    }
}