package main

import (

"strings"

"fmt"

"strconv"

)

type severity int32

const (

infoLog severity =iota

warningLog

errorLog

fatalLog

  severityNum=4

)

var severityByName = []string{

infoLog:"INFO",

warningLog:"WARNING",

errorLog:"ERROR",

fatalLog:"FATAL",

}

func (s *severity) Get()interface{}{

return *s

}

func (s *severity) Set(val string) error{

var threholds severity

if v,ok:= severityByName1(val);ok{

threholds=v

}else{

if v,err:=strconv.Atoi(val);err !=nil {

return err

}else {

threholds=severity(v)

}

}

fmt.Println(threholds)

return nil

}

func severityByName1(s string) (severity,bool){

s=strings.ToUpper(s)

for i ,v :=range severityByName {

if v == s{

return severity(i),true

      }

}

return 0,false

}

//func  severity01(s severity) (severity,bool){

//

// for i ,_ := range severityByName{

//    if severity(i) == s {

//      return severity(i) ,true

//    }

// }

//

// return 0 ,false

//

//}

func main(){

var logLevel severity =2

  fmt.Println(logLevel.Get())

if err:=logLevel.Set("10");err != nil{

fmt.Println(err)

}else{

fmt.Println("set Ok")

}

}