package utilities

import (
	"bytes"
	"encoding/binary"
)

func EncodeIntegerList(data []int) []byte {
	message := &bytes.Buffer{}
	buf := make([]byte, binary.MaxVarintLen64)

	for _, i := range data {
		n := binary.PutVarint(buf, int64(i))
		_, _ = message.Write(buf[:n])
	}

	return message.Bytes()
}
func DecodeIntegerList(data []byte) []int {
	buf := bytes.NewBuffer(data)
	var result []int

	for {
		if buf.Len() <= 0 {
			break
		}

		i, err := binary.ReadVarint(buf)
		if err != nil {
			//TODO: maybe should error
			break
		}
		result = append(result, int(i))
	}

	return result
}