// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
package resource

import (
 "os/user"
 "strconv"
)

func LookupUIDString(userName string) string {
  user, userLookupErr := user.Lookup(userName)
  if userLookupErr != nil {
    return ""
  }
  return user.Uid
}

func LookupUID(userName string) (int,error) {
  user, userLookupErr := user.Lookup(userName)
  if userLookupErr != nil {
    return -1,userLookupErr
  }

  uid, uidErr := strconv.Atoi(user.Uid)
  if uidErr != nil {
    return -1,uidErr
  }

  return uid,nil
}

func LookupGID(groupName string) (int,error) {
  group, groupLookupErr := user.LookupGroup(groupName)
  if groupLookupErr != nil {
    return -1,groupLookupErr
  }
  
  gid, gidErr := strconv.Atoi(group.Gid)
  if gidErr != nil {
    return -1,gidErr
  }

  return gid, nil
}