// Copyright 2019 autocareai.com. All rights reserved.
// Use of this source code is governed by autocareai.com.

package thirdparty

import (
	"bytes"
	"crypto/md5"
	"encoding/base64"
	"encoding/hex"
	"encoding/xml"
	"io/ioutil"
	"net/http"
	"smart-thirdparty/errors"
	"smart-thirdparty/parser"
	"strings"
	"time"

	"github.com/jaryhe/gopkgs/logger"
	jsoniter "github.com/json-iterator/go"
	"go.uber.org/zap"
)

var json = jsoniter.ConfigCompatibleWithStandardLibrary

type messageCodeResult struct {
	StatusCode  string `xml:"statusCode"`
	StatusMsg   string `xml:"statusMsg"`
	templateSMS `xml:"TemplateSMS"`
}
type templateSMS struct {
	SmsMessageSid string `xml:"smsMessageSid"`
	DateCreated   string `xml:"dateCreated"`
}

//构建容联云短信验证码请求体
func SendTemplateSMS(to string, data []interface{}, templateId int) (err error) {
	var result *messageCodeResult
	rl := parser.Conf.ThirdParty.RongLian

	sendBody := map[string]interface{}{
		"to":         to,
		"templateId": templateId,
		"appId":      rl.RongLianAppId,
		"datas":      data,
	}
	//获取时间戳 yyyymmddHHiiss
	signTime := time.Now().Format("20060102150405")

	//签名生成(大写)
	sign := strings.ToUpper(md5Encrypt(rl.RongLianSid + rl.RongLianToken + signTime))

	url := "https://" + rl.RongLianServerIp + ":" + rl.RongLianServerPort + "/" + rl.RongLianSoftVersion + "/Accounts/" + rl.RongLianSid + "/SMS/TemplateSMS?sig=" + sign

	//生成验证header
	authen := base64.URLEncoding.EncodeToString([]byte(rl.RongLianSid + ":" + signTime))

	//请求数据 xml
	xmlResult, err := vcodeHttpPost(url, sendBody, authen)
	if err != nil {
		prams, _ := json.MarshalToString(sendBody)
		logger.Error("thirdpary",
			zap.String("call", "vcodeHttpPost"),
			zap.String("params", prams),
			zap.String("error", err.Error()))
		return errors.VCodeSendFailed
	}

	err = xml.Unmarshal(xmlResult, &result)
	if result != nil && result.StatusCode == "000000" {
		return nil
	} else {
		prams, _ := json.MarshalToString(sendBody)
		logger.Error("thirdpary",
			zap.String("call", "vcodeHttpPost"),
			zap.String("params", prams),
			zap.String("error", result.StatusMsg))
		return errors.VCodeSendFailed
	}
}

//请求第三方接口
func vcodeHttpPost(url string, data map[string]interface{}, authen string) (body []byte, err error) {
	bytesData, err := json.Marshal(data)
	if err != nil {
		return nil, err
	}

	reader := bytes.NewReader(bytesData)
	request, err := http.NewRequest("POST", url, reader)
	if err != nil {
		return nil, err
	}

	request.Header.Set("Content-Type", "application/json;charset=UTF-8")
	request.Header.Set("Authorization", authen)

	client := http.Client{}
	resp, err := client.Do(request)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	respBytes, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return nil, err
	}

	return respBytes, nil

}

func md5Encrypt(str string) string {
	h := md5.New()
	h.Write([]byte(str))
	return hex.EncodeToString(h.Sum(nil))
}