package transaction

var (
	attrLookup = map[AttrUsage]string{
		ContractHash:   "ContractHash",
		ECDH02:         "ECDH02",
		ECDH03:         "ECDH03",
		Script:         "Script",
		Vote:           "Vote",
		CertURL:        "CertURL",
		DescriptionURL: "DescriptionURL",
		Description:    "Description",

		Hash1:  "Hash1",
		Hash2:  "Hash2",
		Hash3:  "Hash3",
		Hash4:  "Hash4",
		Hash5:  "Hash5",
		Hash6:  "Hash6",
		Hash7:  "Hash7",
		Hash8:  "Hash8",
		Hash9:  "Hash9",
		Hash10: "Hash10",
		Hash11: "Hash11",
		Hash12: "Hash12",
		Hash13: "Hash13",
		Hash14: "Hash14",
		Hash15: "Hash15",

		Remark:   "Remark",
		Remark1:  "Remark1",
		Remark2:  "Remark2",
		Remark3:  "Remark3",
		Remark4:  "Remark4",
		Remark5:  "Remark5",
		Remark6:  "Remark6",
		Remark7:  "Remark7",
		Remark8:  "Remark8",
		Remark9:  "Remark9",
		Remark10: "Remark10",
		Remark11: "Remark11",
		Remark12: "Remark12",
		Remark13: "Remark13",
		Remark14: "Remark14",
		Remark15: "Remark15",
	}
)

// AttrUsage represents the purpose of the attribute.
type AttrUsage uint8

// List of valid attribute usages.
const (
	ContractHash   AttrUsage = 0x00
	ECDH02         AttrUsage = 0x02
	ECDH03         AttrUsage = 0x03
	Script         AttrUsage = 0x20
	Vote           AttrUsage = 0x30
	CertURL        AttrUsage = 0x80
	DescriptionURL AttrUsage = 0x81
	Description    AttrUsage = 0x90

	Hash1  AttrUsage = 0xa1
	Hash2  AttrUsage = 0xa2
	Hash3  AttrUsage = 0xa3
	Hash4  AttrUsage = 0xa4
	Hash5  AttrUsage = 0xa5
	Hash6  AttrUsage = 0xa6
	Hash7  AttrUsage = 0xa7
	Hash8  AttrUsage = 0xa8
	Hash9  AttrUsage = 0xa9
	Hash10 AttrUsage = 0xaa
	Hash11 AttrUsage = 0xab
	Hash12 AttrUsage = 0xac
	Hash13 AttrUsage = 0xad
	Hash14 AttrUsage = 0xae
	Hash15 AttrUsage = 0xaf

	Remark   AttrUsage = 0xf0
	Remark1  AttrUsage = 0xf1
	Remark2  AttrUsage = 0xf2
	Remark3  AttrUsage = 0xf3
	Remark4  AttrUsage = 0xf4
	Remark5  AttrUsage = 0xf5
	Remark6  AttrUsage = 0xf6
	Remark7  AttrUsage = 0xf7
	Remark8  AttrUsage = 0xf8
	Remark9  AttrUsage = 0xf9
	Remark10 AttrUsage = 0xfa
	Remark11 AttrUsage = 0xfb
	Remark12 AttrUsage = 0xfc
	Remark13 AttrUsage = 0xfd
	Remark14 AttrUsage = 0xfe
	Remark15 AttrUsage = 0xff
)

// String implements the stringer interface.
func (attr AttrUsage) String() string {
	if v, ok := attrLookup[attr]; ok {
		return v
	}
	return "Unkown Attribute"
}