// util
package util

import (
	"bytes"
	"compress/gzip"
	"encoding/json"
	"errors"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"time"

	"github.com/nats-io/nats.go"
	"go.mongodb.org/mongo-driver/bson"
	"jygit.jydev.jianyu360.cn/BP/jynats/jnats"
)

type MsgInfo struct {
	Id       string //消息唯一id
	CurrSetp string //当前步骤
	NextSetp string
	Data     map[string]interface{} //数据内容
	Extend   struct {
		File struct {
			IsFile int //是否有附件 1是 -1否
		}
		Extract struct { //抽取

		}
		MgoSave struct { //mgo保存更新
			SType string //更新u 保存s
			Col   string //表
		}
		EsSave struct { //es保存更新
			SType string //更新u 保存s
			Index string //索引
		}
	}
	Err   string //错误信息
	Stime int64
	Etime int64
}

func SendRequest(jn *jnats.Jnats, subject, step string, requestData *MsgInfo, timeout time.Duration) (*MsgInfo, error) {
	requestData.CurrSetp = step
	stime := time.Now().Unix()
	var rep *nats.Msg
	var errs error
	// 发送请求并等待响应
	bs, err := bson.Marshal(requestData)
	if err != nil {
		return nil, err
	}
	if step == "extract" {
		// 压缩
		var buf bytes.Buffer
		gz := gzip.NewWriter(&buf)
		_, errs := gz.Write(bs)
		if errs != nil {
			fmt.Println("压缩失败：", errs)
			return nil, errs
		}
		errs = gz.Close()
		if errs != nil {
			fmt.Println("关闭压缩器失败：", errs)
			return nil, errs
		}
		// 获取压缩后的字节数据
		compressedData := buf.Bytes()
		rep, errs = jn.Nc.Request(subject+"."+step, compressedData, timeout)
		if err != nil {
			return nil, errs
		}
	} else {
		rep, errs = jn.PubReqZip(subject+"."+step, bs, timeout)
		if err != nil {
			return nil, errs
		}
	}
	// 返回响应数据
	msgInfo := &MsgInfo{}
	msgInfo.Etime = time.Now().Unix()
	msgInfo.Stime = stime
	if rep != nil {
		err = bson.Unmarshal(rep.Data, msgInfo)
		if err != nil {
			return nil, err
		}
	} else {
		return nil, errors.New("返回消息为空")
	}
	return msgInfo, nil
}

// 发送告警
func Send(msg string) {
	m := map[string]interface{}{
		"msgtype": "text",
		"text": map[string]string{
			"content": msg,
		},
	}
	b, _ := json.Marshal(m)
	res, err := http.Post("https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=337d29b8-a5fc-401c-8fc7-ecc42e864360", "application/json", bytes.NewReader(b))
	if err != nil {
		log.Println("发送出错", err)
	} else {
		defer res.Body.Close()
		resByte, _ := ioutil.ReadAll(res.Body)
		log.Println("发送结果", string(resByte))
	}
}