package consistencehash

import (
	"hash"
	"math"

	"github.com/spaolacci/murmur3"
)

type Encrytor interface {
	Hash(string) int32
}

type EncrytorImp struct {
	hash hash.Hash32
}

func NewEncrytorImp(hash hash.Hash32) *EncrytorImp {
	return &EncrytorImp{
		hash: hash,
	}
}

func (e *EncrytorImp) Hash(id string) int32 {
	e.hash = murmur3.New32()
	// e.hash.Reset()
	e.hash.Write([]byte(id))

	return int32(e.hash.Sum32() % math.MaxInt32)
}

var _ Encrytor = &EncrytorImp{}