<?php


namespace app\api\service;

use GuzzleHttp\Client;
use GuzzleHttp\Exception\ClientException;
use GuzzleHttp\Exception\GuzzleException;
use think\facade\Cache;
use think\facade\Log;

class SmsCode
{
    private $config = [
        'host' => 'http://47.92.32.85:7862/sms',
        'account' => '800003',
        'password' => '123456'
    ];

    /**
     * SmsCode constructor.
     * @param array $config
     */
    public function __construct($config = [])
    {
        if (!empty($config)){
            $this->config = $config;
        }
    }

    /**
     * 缓存手机码
     *
     * @author 许祖兴 < zuxing.xu@lettered.cn>
     * @date 2020/7/10 14:15
     *
     * @param $mobile
     * @param $code
     */
    private function cacheCode($mobile, $code)
    {
        Cache::set($mobile, $code,5 * 60);
    }

    /**
     * 获取缓存码
     *
     * @author 许祖兴 < zuxing.xu@lettered.cn>
     * @date 2020/7/10 14:15
     *
     * @param $mobile
     * @return mixed
     */
    private function getCode($mobile)
    {
        return Cache::get($mobile);
    }

    /**
     * 随意码 - 6
     *
     * @author 许祖兴 < zuxing.xu@lettered.cn>
     * @date 2020/7/10 14:24
     *
     * @return int
     */
    private function randCode()
    {
        return rand(111111,999999);
    }

    /**
     * 验证
     *
     * @author 许祖兴 < zuxing.xu@lettered.cn>
     * @date 2020/7/10 14:26
     *
     * @param string $mobile 手机号
     * @param string $code 验证码
     * @return bool
     */
    public function verify($mobile, $code)
    {
        if ($this->getCode($mobile) == $code){
            return true;
        }
        return false;
    }

    /**
     * 发送验证码
     *
     * @author 许祖兴 < zuxing.xu@lettered.cn>
     * @date 2020/7/10 14:36
     *
     * @param $mobile
     * @return mixed|array|\Psr\Http\Message\ResponseInterface
     * @throws GuzzleException
     */
    public function send($mobile)
    {
        // rand code
        $code = $this->randCode();
        // cache code by number
        $this->cacheCode($mobile,$code);
        try {
            // http
            $client = new Client(['timeout'=>5]);
            $result = $client->request('POST', $this->config['host'], [
                'query' => [
                    'action' => 'send',
                    'account' => $this->config['account'],
                    'password' => $this->config['password'],
                    'mobile' => $mobile,
                    'content' => sprintf('【人人接】欢迎您，您的验证码为：%s，请勿将验证码告知他人', $code),
                    'extno' => '',
                    'rt' => 'json'
                ]
            ]);
            // 返回处理
            $result = dejson($result->getBody());
            return ($result['status'] == 0) ? $result : false;
        }catch ( ClientException $e){
            Log::error('验证码发送失败：[' . $e->getMessage() . ']');
            return false;
        }
    }
}