package payload

import (
	"crypto"
	"crypto/cipher"
	"io"
)

/*

	type Payload interface {
		GetHash() []byte
		GetKey() []byte
		GetAlgorithm() string
		GetMode() string
		GetHashMethod() string
		GetPayloadData() io.Reader
	}

*/

type Payload struct {
	DataSource io.Reader
	Hash       crypto.Hash
	Block      cipher.Block
	BlockMode  cipher.BlockMode
}

func (this *Payload) GetHashMethod() string {
	switch this.Hash {
	case crypto.MD5:
		return "md5"
	case crypto.MD4:
		return "md4"
	case crypto.SHA1:
		return "sha1"
	case crypto.MD5SHA1:
		return "md5sha1"
	case crypto.RIPEMD160:
		return "ripemd160"
	case crypto.SHA224:
		return "sha224"
	case crypto.SHA256:
		return "sha256"
	case crypto.SHA384:
		return "sha384"
	case crypto.SHA512:
		return "sha512"
	default:
		panic("unknown hash method")
	}
}

func (this *Payload) GetPayloadData() io.Reader {
	//  this.BlockMode.
	return nil
}