// Copyright 2021, Henrik Sölver henrik.solver@gmail.com
// SPDX-License-Identifier: BSD-3-Clause
package ipp

import (
	"bufio"
	"fmt"
)

type Enum struct {
	name   string
	values []int32
}

func NewEnum(name string, values ...int32) *Enum {
	e := new(Enum)
	e.name = name
	e.values = values
	return e
}

func (e Enum) Name() string {
	return e.name
}

func (e Enum) String() string {
	return e.name + ":" + fmt.Sprint(e.values)
}

func (e *Enum) valueTag() tag {
	return enumValueTag
}

func (e *Enum) addValue(v interface{}) {
	e.values = append(e.values, v.(int32))
}

func (e *Enum) marshal() []byte {
	return marshalInteger(enumValueTag, e.name, e.values)
}

func (e *Enum) unmarshal(byteStream *bufio.Reader) {
	soi, err := unmarshalIntegers(byteStream, integerValueTag)
	if err != nil {
		return
	}
	e.values = soi.values
}