<?php

namespace app\common\service;

use OneSm\Sm4;

class RensheService
{
    //网址
    const BASE_URL = 'https://12333.jinjiang.gov.cn/interface-jjlgsc-wbjk';
    //密钥
    const KEY = 'be2daba9afed4b75';
    //偏移量
    const IV = 'b33f8ac8cca782b9';
    //版本号
    const VERSION = 'lgyz1.0';

    //要发送的数据
    private $_data = [];
    //sm4对象
    private $_sm4Obj = null;
    //当前时间
    private $_time = 0;

    /**
     * 构造函数
     * @param array $data 要发送的数据
     */
    public function __construct($data = [])
    {
        $this->_data   = $data;
        $this->_sm4Obj = new Sm4(self::KEY, self::IV);
        $this->_time   = date('YmdHis');
    }

    /**
     * 设置参数
     * @param $data
     */
    public function setData($data)
    {
        foreach ($data as $k => $v) {
            $this->_data[$k] = $v;
        }
    }

    /**
     * 岗位信息库提交
     */
    public function JobInfo()
    {
        $url = self::BASE_URL . '/dayjob/submitJobInfo.html';
        $res = $this->_send($url);

        return $res;
    }

    /**
     * 参数加密
     * @return string
     */
    private function _enDataCbc()
    {
        $data = $this->_time . json_encode($this->_data);
        $res  = $this->_sm4Obj->encrypt($data);

        return $res;
    }

    /**
     * 参数解密
     * @param $data
     * @return mixed
     */
    private function _deDataCbc($data)
    {
        $res = $this->_sm4Obj->decrypt($data);
        if ($res[0] != "{") {
            $res = mb_substr($res,14,strlen($res),'UTF-8');
        }

        return json_decode($res, true);
    }

    /**
     * 发送数据
     * @param $url
     * @return mixed
     */
    private function _send($url)
    {
        //请求头
        $enTime = $this->_sm4Obj->encrypt($this->_time);
        $header = [
            'Content-Type: application/json',
            'Author-source: 1',
            'Author-token: ' . $enTime,
            'Author-version: ' . self::VERSION,
        ];

        //发送数据
        $enData   = $this->_enDataCbc();
        $response = http_request($url, 'POST', $enData, $header);
        $deData   = $this->_deDataCbc($response);

        return $deData;
    }
}