package constants

import (
	"encoding/json"
	"fmt"
)

type CryptoType int

const (
	CryptoTypeNONE CryptoType = iota
	CryptoTypeTLS
)

var (
	cryptoTypeID = map[CryptoType]string{
		CryptoTypeNONE: "",
		CryptoTypeTLS:  "TLS",
	}

	cryptoTypeName = map[string]CryptoType{
		"":    CryptoTypeNONE,
		"TLS": CryptoTypeTLS,
	}
)

func ToCryptoType(v string) CryptoType {
	return cryptoTypeName[v]
}

func (ct CryptoType) String() string {
	return cryptoTypeID[ct]
}

func (ct CryptoType) MarshalJSON() ([]byte, error) {
	value, ok := cryptoTypeID[ct]
	if !ok {
		return nil, fmt.Errorf("Invalid EnumType[%s] value", ct)
	}
	return json.Marshal(value)
}

func (ct CryptoType) UnmarshalJSON(b []byte) error {
	var s string
	err := json.Unmarshal(b, &s)
	if err != nil {
		return err
	}

	value, ok := cryptoTypeName[s]
	if !ok {
		return fmt.Errorf("Invalid EnumType[%s] value", s)
	}
	ct = value
	return nil
}