<?php

namespace app\service\user;

use app\service\BaseService;
use fast\FuncException;

class SmsService extends BaseService
{
    protected $smsUsername;
    protected $smsPassword;
    protected $sendUrl;
    protected $content_prefix = '【大工业区水司】';


    public function __construct()
    {
        parent::__construct();
        $this->smsUsername = env('sms.username');
        $this->smsPassword = env('sms.password');
        $this->sendUrl = env('sms.api_url');
    }

    /**
     *
     * @param $code
     * @return string
     */
    public function smsCodeTemplate($code):string
    {
        return '您的短信验证码为：'.$code.'，用于手机号绑定，10分钟内有效。若非本人操作，请勿泄露，谨防被骗。';
    }

    /**
     *
     * @param $mobile
     * @param $message
     * @throws FuncException
     */
    public function sendSms($mobile,$message)
    {
        $content = $this->content_prefix . $message;

        $param = [
            'userName' => $this->smsUsername,
            'sign' => md5($this->smsUsername . $this->smsPassword . $mobile . $content),
            'mobile' => $mobile,
            'content' => $content,
        ];

        $json = json_encode($param);

        $result = $this->curl($json);
        if ($result['resultCode'] != 1) {
            throw new FuncException('发送失败');
        }
    }

    /**
     *
     * @param $json
     * @return bool|string
     * @throws FuncException
     */
    public function curl($json)
    {
        // 初始化cURL会话
        $ch = curl_init();

        // 设置cURL选项
        curl_setopt($ch, CURLOPT_URL, $this->sendUrl);           // 目标URL
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // 返回结果而不是输出
        curl_setopt($ch, CURLOPT_POST, true);           // 发送POST请求

        // 设置POST字段
        curl_setopt($ch, CURLOPT_POSTFIELDS, $json);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json')); // 设置HTTP头

        // 执行cURL会话
        $response = curl_exec($ch);

        // 检查是否有错误发生
        if (curl_errno($ch)) {
            throw new FuncException('发送失败');
        }

        // 关闭cURL会话
        curl_close($ch);

        return json_decode($response,true);
    }


}