package dinetrpc

import (
	"bytes"

	"github.com/vmihailenco/msgpack"
)

func MarshalMsgpack(v ...interface{}) ([]byte, error) {
	var buf bytes.Buffer
	enc := msgpack.NewEncoder(&buf)
	enc.UseJSONTag(true)
	err := enc.Encode(v)
	return buf.Bytes(), err
}

func (cm ClassMethod) MarshalMsgpack() ([]byte, error) {
	return msgpack.Marshal(ClassMethodJSONString(cm))
}

func UnmarshalMsgpack(data []byte, v ...interface{}) error {
	r := bytes.NewReader(data)
	dec := msgpack.NewDecoder(r)
	//dec.UseJSONTag(true)
	return dec.Decode(v)
}

func (v *Value) UnmarshalMsgpack(b []byte) error {
	// XXX because isValue_Value interface is not assignable
	return nil
}

func (cm *ClassMethod) UnmarshalMsgpack(b []byte) error {
	var cms string
	if err := msgpack.Unmarshal(b, &cms); err != nil {
		return err
	}
	*cm = ClassMethodFromJSONString(cms)
	return nil
}