package settings

import "context"

type reloadedContextKey struct{}

// MarkReloadedInContext marks that a given Settings instance has been refreshed in this context flow.
func MarkReloadedInContext(ctx context.Context, cfg *Settings) context.Context {
	if ctx == nil {
		ctx = context.Background()
	}
	if cfg == nil {
		return ctx
	}
	return context.WithValue(ctx, reloadedContextKey{}, cfg)
}

// IsReloadedInContext reports whether this context flow already refreshed the provided Settings.
func IsReloadedInContext(ctx context.Context, cfg *Settings) bool {
	if ctx == nil || cfg == nil {
		return false
	}
	marked, ok := ctx.Value(reloadedContextKey{}).(*Settings)
	if !ok || marked == nil {
		return false
	}
	return marked == cfg
}