package weixin

import (
	"encoding/json"
	butil "enterprise/base/util"
	"errors"
	"fmt"
	log "github.com/sirupsen/logrus"
	"github.com/spf13/cast"
	"time"
)

var (
	urlGetToken       = "https://qyapi.weixin.qq.com/cgi-bin/gettoken"
	urlGetCheckinRlue = "https://qyapi.weixin.qq.com/cgi-bin/checkin/getcorpcheckinoption"
	urlGetCheckinData = "https://qyapi.weixin.qq.com/cgi-bin/checkin/getcheckindata"
	urlConvertOpenid  = "https://qyapi.weixin.qq.com/cgi-bin/user/convert_to_openid"
)

type QyWeixin struct {
	CorpId      string
	Secret      string
	Agent       string
	Token       string
	tokenExpire int64
}

func NewQyWeixin(corpId, secret, agent string) *QyWeixin {
	return &QyWeixin{
		CorpId: corpId,
		Secret: secret,
		Agent:  agent,
	}
}

func (q *QyWeixin) GetToken() string {
	if time.Now().Unix() <= q.tokenExpire-600 {
		return q.Token
	}
	q.refreshToken()
	return q.Token
}

func (q *QyWeixin) GetOpenid(userid string) (string, error) {
	if err := q.refreshToken(); err != nil {
		return "", err
	}
	reqUrl := fmt.Sprintf("%s?access_token=%s", urlConvertOpenid, q.GetToken())
	rspBody, err := butil.HttpPostJson(reqUrl, nil, []byte(fmt.Sprintf(`{"userid" : "%s"}`, userid)))
	if err != nil {
		log.Errorf("httpPost url[%s] error :%s", reqUrl, err.Error())
		return "", err
	}
	result := make(map[string]interface{})
	if err := json.Unmarshal(rspBody, &result); err != nil {
		log.Errorf("http url[%s] result[%s] error :%s", reqUrl, string(rspBody), err.Error())
		return "", err
	}
	if cast.ToInt(result["errcode"]) != 0 {
		log.Errorf("http url[%s] result[%s] error ", reqUrl, string(rspBody))
		return "", errors.New(string(rspBody))
	}
	return cast.ToString(result["openid"]), nil
}

func (q *QyWeixin) refreshToken() error {
	if time.Now().Unix() <= q.tokenExpire-600 {
		return nil
	}

	reqUrl := fmt.Sprintf("%s?corpid=%s&corpsecret=%s", urlGetToken, q.CorpId, q.Secret)
	rspBody, err := butil.HttpGet(reqUrl, nil)
	if err != nil {
		log.Errorf("http url[%s] error :%s", reqUrl, err.Error())
		return err
	}
	result := make(map[string]interface{})
	if err := json.Unmarshal(rspBody, &result); err != nil {
		log.Errorf("http url[%s] result[%s] error :%s", reqUrl, string(rspBody), err.Error())
		return err
	}
	if cast.ToInt(result["errcode"]) != 0 {
		log.Errorf("http url[%s] result[%s] error ", reqUrl, string(rspBody))
		return errors.New(string(rspBody))
	}

	q.Token = cast.ToString(result["access_token"])
	q.tokenExpire = time.Now().Unix() + cast.ToInt64(result["expires_in"])
	return nil
}