package common

import (
	"encoding/base64"
	"encoding/binary"
	"errors"
)

const (
	EncodingRawUrl = "encoring_row_url"
	EncodingRawStd = "encoring_row_std"
)

func GetEncoding(encoding string) (*base64.Encoding, error) {
	switch encoding {
	case EncodingRawUrl:
		return base64.RawURLEncoding, nil
	case EncodingRawStd:
		return base64.RawStdEncoding, nil
	default:
		return nil, errors.New("unsupported encoding")
	}
}

// float64ToBytes converts float64 to []byte
// May be moved to nettools later
func float64ToBytes(f float64) []byte {
	buf := make([]byte, 8)
	binary.BigEndian.PutUint64(buf, uint64(f))
	return buf
}