package utils

import (
	"crypto/md5"
	"encoding/hex"
	"os"
	"strings"

	"strconv"

	"github.com/satori/go.uuid"
)

// If b == true ? a : c , 返回值记得使用断言
func If(b bool, a, c interface{}) interface{} {
	if b {
		return a
	}
	return c
}

func Md5(str string) string {
	m := md5.New()
	m.Write([]byte(str))
	result := hex.EncodeToString(m.Sum(nil))
	return result
}

func GetFileExt(path string) (string, string) {
	lastIndex := strings.LastIndex(path, ".")
	if lastIndex >= 0 {
		return path[0:lastIndex], path[lastIndex+1:]
	}
	return "", ""
}

func Exists(path string) bool {
	_, err := os.Stat(path)
	if err != nil && os.IsNotExist(err) {
		return false
	}
	return true
}

func GetUuid() (result string) {
	//uuidRandom, err := uuid.NewV4()
	//if err == nil {
	//	result = strings.Replace(uuidRandom.String(), "-", "", -1)
	//}
	//return

	uuidRandom := uuid.NewV4()
	return strings.Replace(uuidRandom.String(), "-", "", -1)
}

// int64 数组转字符串 ','隔开
func Int64ConvertString(oidArr []int64) string {
	oids := ""
	if len(oidArr) == 0 {
		return oids
	}
	for index, oid := range oidArr {
		if index+1 != len(oidArr) {
			oids += strconv.FormatInt(oid, 10) + `,`
		} else {
			oids += strconv.FormatInt(oid, 10)
		}
	}
	return oids
}