<?php
/*----------------------------------------------------------------------
* 项目名称: CloudAdmin
* +----------------------------------------------------------------------
* 版权所有: 2014~2020 安徽云掌开发团队
* +----------------------------------------------------------------------
* 官方网站:  [ http://www.yaoyz.com、http://www.ahyunzhang.com ]
* +----------------------------------------------------------------------
* Date: 2019/04/09 23:50
* +----------------------------------------------------------------------
* Des: 短信发送api
+----------------------------------------------------------------------*/

namespace app\api\controller;


use service\SendSms;
use think\Db;
use think\facade\Cache;
use think\facade\Validate;

class Sms extends Base
{

    /**
     * @var string
     * 短信服务商数据表
     */
    private static $table = 'cloud_sms';

    /**
     * @var string
     * 短信日志表
     */
    private static $table_log = 'cloud_sms_log';

    /**
     * @var string
     * 短信服务商模板配置表
     */
    private static $table_config = 'cloud_sms_config';

    public static function db($table = '')
    {
        //读取短信配置信息
        $table = !empty($table) ? $table : self::$table;
        $sms = Db::name($table)->where('status=1')->select();
        if (empty($sms)) {
            return json_status(40602);
        }
        //随机一个数组元素
        $key = array_rand($sms);
        $sms = $sms[$key];
        return empty($sms) ? json_status(40601) : $sms;
    }

    /**
     * 发送短信验证码【单条】
     * @param string $mobile 手机号
     * @param int $tempid 模板id
     * @return \type|void
     */
    public static function send($mobile = '', $tempid = 1)
    {
        if (!Validate::is($mobile, 'mobile')) {
            return json_status(40601);
        }
        //获取短信服务端信息
        $sms = self::db();
        //替换模板变量
        $code = mt_rand(999, 10000);
        $replace_str = [
            '{code}' => $code,
        ];
        Cache::set('sms_' . $mobile . '_' . $tempid, $code, 300);
        $text = self::parseTemplate($tempid, $replace_str);
        $data = SendSms::send($sms, $mobile, $sms['code_url'], $text);
        $data['mobile'] = $mobile; //重复发送的api没有返回mobile
        self::writeLog($data, $sms['name'], $text); //记录短信日志
        return $data;
    }

    /**
     * 验证验证码
     * @param $mobile  手机号
     * @param $code    验证码
     * @param $tempid    模板id
     */
    public static function verification($mobile, $code, $tempid = 1)
    {
        $validate = new \app\api\validate\Sms;
        $data = [
            'mobile' => $mobile,
            'code' => $code,
        ];
        if (!$validate->check($data)) {
            return json_status($validate->getError());
        }
        //验证手机号
        $cache_name = 'sms_' . $mobile . '_' . $tempid;
        $cache_code = Cache::get($cache_name);
        if ($cache_code != $code) {
            return json_status(40605);
        }
        //删除成功后的缓存
        Cache::rm($cache_name);
        return json_status();
    }

    /**
     * 发送系统通知类【单条】
     * @param string $mobile 手机号
     * @param int $tempid 模板id
     * @param int $arr 需要替换的变量数组
     * @return \type|void
     */
    public static function sendNotify($mobile = 0, $arr = [], $tempid = 3)
    {
        if (!Validate::is($mobile, 'mobile')) {
            return json_status(40601);
        }
        //获取短信服务端信息
        $sms = self::db();
        $text = self::parseTemplate($tempid, $arr);
        $data = SendSms::send($sms, $mobile, $sms['notify_url'], $text);
        self::writeLog($data, $sms['name'], $text); //记录短信日志
        return $data;
    }

    /**
     * 记录发送日志
     * @param array $arr 短信服务商返回数据
     * @param $sms_name  当前短信发送服务商名称
     * @param $text      短信内容
     */
    private static function writeLog($arr = [], $sms_name, $text)
    {
        if (isset($arr['data'][0])) {
            $_data = $arr['data'][0];
        } else {
            $_data = $arr;
        }
        $_data['text'] = $text;
        $_data['platform'] = $sms_name;
        $_data['status'] = $_data['code'] === 0 ? 1 : 0;
        $_data['create_time'] = time();
        $_data['month'] = date('Y-m');
        Db::name(self::$table_log)->strict(false)->insert($_data);
    }

    /**
     * 短信模板解析
     * @param $tempid
     * @param array $arr
     */
    private static function parseTemplate($tempid, $arr = [])
    {
        $template = Db::name(self::$table_config)->find($tempid);
        if (empty($template)) {
            return json_status(40603);
        }
        $template['content'] = str_replace(array_keys($arr), $arr, $template['content']);
        return $template['content'];
    }

}