package cardsim

import "fmt"

// Message is an opaque interface representing a displayable message.
// Using an interface here allows for implementation of new message display
// and formatting features without rewriting all existing callers.
type Message interface {
	fmt.Stringer
}

type stringMessage string

func (s stringMessage) String() string {
	return string(s)
}

// MsgStr returns a Message representing a fixed string.
func MsgStr(s string) Message {
	return stringMessage(s)
}

// Msgf is a Sprintf-like function that produces a Message equivalent to the
// one created by MsgStr.
func Msgf(f string, args ...any) Message {
	return stringMessage(fmt.Sprintf(f, args...))
}