import requests
import json
import logging


class WeChat(object):
    __get_token_url = 'https://qyapi.weixin.qq.com/cgi-bin/gettoken'
    __send_message_url = 'https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token={token}'
    __get_userid_url = 'https://qyapi.weixin.qq.com/cgi-bin/user/getuserid?access_token={token}&debug=1'

    def __init__(self, corpid, corpsecret, agentid):
        self.corpid = corpid
        self.corpsecret = corpsecret
        self.agentid = agentid
        self.token = self.auth()
        logging.info('wechat login successful')
    
    def auth(self):
        params = {'corpid': self.corpid, 'corpsecret': self.corpsecret}
        rs = requests.get(self.__get_token_url, params=params)
        return rs.json()['access_token']
    
    def userid(self, mobile: str):
        try:
            url = self.__get_userid_url.format(token=self.token)
            data = json.dumps({'mobile': mobile})
            rs = requests.post(url, data=data)
            return rs.json()['userid']
        except:
            print('get userid error!')
        

    def message(self, touser, message):
        data = json.dumps({
            'touser': touser,
            'msgtype': 'text',
            'agentid': self.agentid,
            'text': {
                'content': message},
        })
        return data

    def send(self, touser, message):
        try:
            url = self.__send_message_url.format(token=self.token)
            res = requests.post(url, data=self.message(touser, message))
            assert res.json()['errcode'] == 0
        except Exception as e:
            logging.exception('send wechat failed!', exc_info=e)


if __name__ == '__main__':
    wechat = WeChat()
    wechat.send("LinXinYuan", "测试")