package message

import (
	"encoding/json"
)

// GRPCConvertedMessage is an interface
// of the gRPC message that is used
// for Message encoding/decoding.
type GRPCConvertedMessage interface {
	UnmarshalProtobuf([]byte) error
}

// Unmarshal decodes m from its Protobuf binary representation
// via related gRPC message.
//
// gm should be tof the same type as the m.ToGRPCMessage() return.
func Unmarshal(m Message, data []byte, gm GRPCConvertedMessage) error {
	if err := gm.UnmarshalProtobuf(data); err != nil {
		return err
	}

	return m.FromGRPCMessage(gm)
	// if err := proto.Unmarshal(data, gm); err != nil {
	// 	return err
	// }

	// return m.FromGRPCMessage(gm)
}

// MarshalJSON encodes m to Protobuf JSON representation.
func MarshalJSON(m Message) ([]byte, error) {
	return json.Marshal(m.ToGRPCMessage())
	// return protojson.MarshalOptions{
	// 	EmitUnpopulated: true,
	// }.Marshal(
	// 	m.ToGRPCMessage().(proto.Message),
	// )
}

// UnmarshalJSON decodes m from its Protobuf JSON representation
// via related gRPC message.
//
// gm should be tof the same type as the m.ToGRPCMessage() return.
func UnmarshalJSON(m Message, data []byte, gm any) error {
	if err := json.Unmarshal(data, gm); err != nil {
		return err
	}
	return m.FromGRPCMessage(gm)
	// if err := protojson.Unmarshal(data, gm); err != nil {
	// 	return err
	// }

	// return m.FromGRPCMessage(gm)
}