<?php

namespace common\components;

use biz\merchant\services\MerchantAssetService;
use biz\wx\services\WxOpenService;
use Yii;

/**
 * 短信接口
 *
 *
 * 平台系统发短信
 * 考虑短信总数是否足够
 * 平台客户发短信需要限制IP和数量（user_id）
 *
 * 商家发短信
 * 考虑总条数
 * 考虑商家短信是否充值
 *
 * 商家系统发短信息不需要限制IP和数量
 *
 * 商家的客户发短信需要限制IP和数量
 * 如果平台余额充足，分不限制和根据ip数量限制二种
 * 如果商家余额充足，分不限制和根据ip数量限制二种
 * 如果不足就记录一下，不要发送
 */
class sms
{
    //短信服务帐号
    const ACCOUNT = 'N2890342';
    //短信服务密码
    const PASSWORD = 'abc178c7';

    //每个用户每天可以申请的短信数量
    const LIMIT = 15;

    //商家发短信 shish 2019.12.24
    public static function merchantSend($mobile, $msg, $merchant)
    {
        $merchantId = $merchant['id'];
        $asset = MerchantAssetService::getByMerchantId($merchantId, true);
        $remainSmsNum = $asset->remainSmsNum;
        if ($remainSmsNum <= 0) {
            Yii::info($merchant['merchantName'] . '短信余额不足');
            return false;
        }
        $asset->remainSmsNum = --$remainSmsNum;
        $asset->save();
        self::freeSend($mobile, $msg, $merchant);
    }

    //自由发短，无ip和数量限制 shish 2019.12.24
    public static function freeSend($mobile, $msg, $merchant = null)
    {
        $open = WxOpenService::getById(1);
        $name = isset($open['name']) ? $open['name'] : '花卉宝';
        $sms = new chuanglanSMS(self::ACCOUNT, self::PASSWORD);
        $sign = isset($merchant) == true ? "【{$merchant['merchantName']}】" : "【{$name}】";
        $msg .= $sign;
        $sms->send($mobile, $msg);
    }

    //发短信，有ip和用户数量限制 shish 2020.2.27
    public static function send($mobile, $msg, $merchant = null)
    {
        $open = WxOpenService::getOpen();
        $name = isset($open['name']) ? $open['name'] : '花卉宝';
        $sms = new chuanglanSMS(self::ACCOUNT, self::PASSWORD);
        $sign = isset($merchant) == true ? "【{$merchant['merchantName']}】" : "【{$name}】";
        $msg .= $sign;

        //验证是否有权限发短信
        $uniqueId = isset($merchant['id']) ? $merchant['id'] : 1;
        $ip = httpUtil::ip();

        $statusKey = 'SMS_STATUS_' . $uniqueId . '_' . $ip;
        $hasSend = Yii::$app->redis->executeCommand('GET', [$statusKey]);
        if (!empty($hasSend)) {
            util::fail('请60秒后再操作');
        }

        $todayKey = 'SMS_NUM_' . date("Ymd") . '_' . $uniqueId . '_' . $ip;
        $num = Yii::$app->redis->executeCommand('GET', [$todayKey]);
        $num = is_numeric($num) ? $num : 0;
        if ($num > self::LIMIT) {
            util::fail('您今天申请的短信条数达到上限');
        }

        Yii::$app->redis->executeCommand('SETEX', [$statusKey, 60, 'hasSend']);
        Yii::$app->redis->executeCommand('SETEX', [$todayKey, 86400, ++$num]);
        $sms->send($mobile, $msg);
    }

}