package services

import (
	"encoding/json"
	"eta/eta_index_lib/models"
	"eta/eta_index_lib/services/alarm_msg"
	"eta/eta_index_lib/utils"
	"fmt"
	"io/ioutil"
	"net/http"
	"strings"
)

var (
	BridgeApiJiaYueIndexDataUrl = "/api/index_data/jiayue/index_data" // 获取指标数据API
)

// GetJiaYueIndexDataFromBridge 从桥接服务获取指标数据
func GetJiaYueIndexDataFromBridge(param models.BridgeJiaYueIndexDataParams) (indexData models.BridgeJiaYueIndexAndData, err error) {
	defer func() {
		if err != nil {
			b, _ := json.Marshal(param)
			tips := fmt.Sprintf("桥接服务-获取嘉悦指标数据, err: %s, params: %s", err.Error(), string(b))
			go alarm_msg.SendAlarmMsg(tips, 3)
		}
	}()

	url := fmt.Sprint(utils.EtaBridgeUrl, BridgeApiJiaYueIndexDataUrl)
	data, e := json.Marshal(param)
	if e != nil {
		err = fmt.Errorf("data json marshal err: %s", e.Error())
		return
	}
	body := ioutil.NopCloser(strings.NewReader(string(data)))
	client := &http.Client{}
	req, e := http.NewRequest("POST", url, body)
	if e != nil {
		err = fmt.Errorf("http create request err: %s", e.Error())
		return
	}

	checkToken := utils.MD5(utils.EtaBridgeAppNameEn + utils.EtaBridgeMd5Key)
	contentType := "application/json;charset=utf-8"
	req.Header.Set("Content-Type", contentType)
	req.Header.Set("Authorization", checkToken)
	resp, e := client.Do(req)
	if e != nil {
		err = fmt.Errorf("http client do err: %s", e.Error())
		return
	}
	defer func() {
		_ = resp.Body.Close()
	}()
	b, e := ioutil.ReadAll(resp.Body)
	if e != nil {
		err = fmt.Errorf("resp body read err: %s", e.Error())
		return
	}
	if len(b) == 0 {
		err = fmt.Errorf("resp body is empty")
		return
	}
	// 生产环境解密
	if utils.RunMode == "release" {
		str := string(b)
		str = strings.Trim(str, `"`)
		b = utils.DesBase64Decrypt([]byte(str), utils.EtaBridgeDesKey)
	}

	result := new(models.BridgeJiaYueResultIndexData)
	if e = json.Unmarshal(b, &result); e != nil {
		err = fmt.Errorf("result unmarshal err: %s\nresult: %s", e.Error(), string(b))
		return
	}
	if result.Code != 200 {
		err = fmt.Errorf("result: %s", string(b))
		return
	}
	indexData = result.Data
	return
}