/*
@Time : 2019-11-05 16:41
@Author : zr
*/
package short_msg

import (
	"crypto/md5"
	"encoding/hex"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net/http"
	"strings"
	"video_course/errors"
	"video_course/model"
)

type Iyoogo struct {
	station  string
	appKey   string
	sign     string
	signName string
}

func NewShortMsgIyoogo() *Iyoogo {
	dao := &Iyoogo{
		station:  "http://sms.iyoogo.com/itf2",
		appKey:   "f736bcf2429d08457eee83527e871069",
		signName: "小飞龙",
	}

	SECRET := "746c3978d0dd8696a1ffe7a9a9fa7a2b"
	cry := md5.New()
	cry.Write([]byte(SECRET + dao.appKey + SECRET))

	dao.sign = hex.EncodeToString(cry.Sum(nil))
	dao.sign = strings.ToUpper(dao.sign)
	return dao
}

func (i Iyoogo) SendVFCode(phone, code string, codeType model.VFCodeCodeTypeEnum) {

	var (
		smsParam []byte
		err      error
	)
	templateCode := ""
	switch codeType {
	case model.VFCodeCodeTypeLogin:
		smsParam, err = json.Marshal(map[string]string{
			"code":    code,
			"product": i.signName,
		})
		if err != nil {
			panic(errors.NewServiceErr(errors.SmsErr, err.Error()))
		}
		templateCode = "42"
	}

	url := fmt.Sprintf(
		"%s/?method=smssend&app_key=%s&sign=%s&v=1.0&sms_free_sign_name=%s&sms_param=%s&rec_num=%s&sms_template_code=%s&sms_type=normal",
		i.station, i.appKey, i.sign, i.signName, smsParam, phone, templateCode)

	resp, err := http.Get(url)
	if err != nil {
		panic(errors.NewServiceErr(errors.SmsErr, err.Error()))
	}
	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		panic(errors.NewServiceErr(errors.SmsErr, err.Error()))
	}
	type Result struct {
		ErrCode string `json:"err_code"`
		Success bool   `json:"success"`
		Msg     string `json:"msg"`
	}
	type Resp struct {
		Result Result `json:"result"`
	}

	respStruct := &Resp{}

	err = json.Unmarshal(body, respStruct)
	if err != nil {
		panic(errors.NewServiceErr(errors.SmsErr, err.Error()+"|resp string:"+string(body)))
	}

	if !respStruct.Result.Success {
		panic(errors.NewServiceErr(errors.SmsErr, respStruct.Result.Msg))
	}

	return
}