<?php

/**
 * Notes:企业微信自建应用api
 * Created on: 2022/3/29 10:34
 * Created by: dengbw
 */
class Wx_qyapi_agent
{
    const BASE_URL = 'https://qyapi.weixin.qq.com/';
    const TOKEN_API = 'cgi-bin/gettoken?corpid=%s&corpsecret=%s'; //获取access_token
    private $redis;
    private $corpid;
    private $corpsecret;
    private $agentid;
    private $ci;
    private $access_token;
    private $log_file = 'wx_qyapi_agent.log';
    private $env;

    public function __construct($params = array())
    {
        //获取环境
        if (false !== strpos($_SERVER['HTTP_HOST'], 'dev')) { //dev 测试
            $this->env = 'd';
        } elseif (false !== strpos($_SERVER['HTTP_HOST'], 'test')) {//test 测试
            $this->env = 't';
        } else { // 正式
            $this->env = 'p';
        }
        $this->redis = &load_cache('redis');
        $this->ci = &get_instance();
        $this->ci->load->library('mycurl');
        $this->init($params);
    }

    public function init($params)
    {
        $configs = array(
            //狸车新能源_客户画像
            'lichene_1000005' => array(
                'corpid' => 'wwff2d727ce47d6852',
                'corpsecret' => 'QBkmK9hm1WgrWI9RUE5-Al10qVtHCM2eEoa8NQzTKkI',
                'agentid' => 1000005
            ),
            //狸车_客户画像
            'liche_1000024' => array(
                'corpid' => 'wwc2caba960d202087',
                'corpsecret' => 'OD30gLu3BHTYnTPDre4z2tuPr3rocMcMpIBLZaZG_0c',
                'agentid' => 1000024
            ),
            //异业店_凯利之星_客户画像
            'diff_133_1000002' => array(
                'corpid' => 'ww1493c3e4fb56ef29',
                'corpsecret' => 'W6iKxOYqNLidbN4-7mYUYbiLKaMZmm7UHFF_TfpOk8M',
                'agentid' => 1000002
            ),
        );
        $params['corpid'] && $this->corpid = $params['corpid'];
        $params['corpsecret'] && $this->corpsecret = $params['corpsecret'];
        $params['agentid'] && $this->agentid = $params['agentid'];
        $app = $params['app'] ? $params['app'] : 'lichene_1000005';
        if ($configs[$app]) {
            $config = $configs[$app];
            !$this->corpid && $config['corpid'] && $this->corpid = $config['corpid'];
            !$this->corpsecret && $config['corpsecret'] && $this->corpsecret = $config['corpsecret'];
            !$this->agentid && $config['agentid'] && $this->agentid = $config['agentid'];
        }
        $this->corpid && $this->log_file = "wx_qyapi_agent_{$this->corpid}.log";
    }

    public function access_token()
    {
        $access_token = $this->redis->get($this->corpsecret);
        if (!$access_token) {
            if ($this->env == 'p') {
                $url = self::BASE_URL . sprintf(self::TOKEN_API, $this->corpid, $this->corpsecret);
                $res = $this->ci->mycurl->httpGet($url);
                $result = json_decode($res);
                if ($result->errcode) {
                    debug_log('error:__FUNCTION__:' . $res, $this->log_file);
                } else {
                    $access_token = $result->access_token;
                    $this->redis->save($this->corpsecret, $result->access_token, $result->expires_in);
                }
            } else {
                $url = "https://api.liche.cn/weixin/qy_agent_access_token?corpid={$this->corpid}&corpsecret={$this->corpsecret}";
                $res = $this->ci->mycurl->httpGet($url);
                $result = json_decode($res);
                $access_token = $result->access_token;
            }
        }
        return $access_token;
    }

    public function getConfig()
    {
        return ['corpid' => $this->corpid, 'corpsecret' => $this->corpsecret, 'agentid' => $this->agentid];
    }

    public function getSignPackage()
    {
        $jsapiTicket = $this->jsapi_ticket();
        $url = "https://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
        $timestamp = time();
        $nonceStr = $this->createNonceStr();
        // 这里参数的顺序要按照 key 值 ASCII 码升序排序
        $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";
        $signature = sha1($string);
        $signPackage = array(
            "appId" => $this->corpid,
            "nonceStr" => $nonceStr,
            "timestamp" => $timestamp,
            "url" => $url,
            "signature" => $signature,
            "rawString" => $string,
            "access_token" => $this->access_token(),
            'jsapi_ticket' => $jsapiTicket,
            "agentid" => $this->agentid
        );
        return $signPackage;
    }

    public function jsapi_ticket()
    {
        $key = 'ticket_' . $this->corpsecret;
        $ticket = $this->redis->get($key);
        if (!$ticket) {
            if ($this->env == 'p') {
                //获取企业应用jsapi_ticket 的https://developer.work.weixin.qq.com/document/10029#%E8%8E%B7%E5%8F%96%E5%BA%94%E7%94%A8%E7%9A%84jsapi_ticket
                $access_token = $this->access_token();
                $url = "https://qyapi.weixin.qq.com/cgi-bin/ticket/get?access_token={$access_token}&type=agent_config";
                $res = $this->ci->mycurl->httpGet($url);
                $result = json_decode($res);
                if ($result->errcode) {
                    debug_log('error:__FUNCTION__:' . $res, $this->log_file);
                } else {
                    $ticket = $result->ticket;
                    $this->redis->save($key, $result->ticket, $result->expires_in);
                }
            } else {
                $url = "https://api.liche.cn/weixin/qy_agent_jsapi_ticket?corpid={$this->corpid}&corpsecret={$this->corpsecret}";
                $res = $this->ci->mycurl->httpGet($url);
                $result = json_decode($res);
                $ticket = $result->ticket;
            }
        }
        return $ticket;
    }

    private function createNonceStr($length = 16)
    {
        $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
        $str = "";
        for ($i = 0; $i < $length; $i++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }
        return $str;
    }
}

?>