package message

import (
	"context"
	"fmt"
	"io"

	"github.com/plgd-dev/go-coap/v2/message/codes"
)

// MaxTokenSize maximum of token size that can be used in message
const MaxTokenSize = 8

type Message struct {
	Token   Token
	Options Options
	Code    codes.Code
	// Context context of request.
	Context context.Context
	// Body of message. It is nil for message without body.
	Body io.ReadSeeker
}

func (r *Message) String() string {
	buf := fmt.Sprintf("Code: %v, Token: %v", r.Code, r.Token)
	path, err := r.Options.Path()
	if err == nil {
		buf = fmt.Sprintf("%s, Path: %v", buf, path)
	}
	cf, err := r.Options.ContentFormat()
	if err == nil {
		buf = fmt.Sprintf("%s, ContentFormat: %v", buf, cf)
	}
	queries, err := r.Options.Queries()
	if err == nil {
		buf = fmt.Sprintf("%s, Queries: %+v", buf, queries)
	}
	return buf
}