package router

// ToMiddleware converts the given handler to a Middleware.
func ToMiddleware(handler func(next Handler) Handler) Middleware {
	return func(next HandlerFunc) HandlerFunc {
		return handler(next).Handle
	}
}

// WithMiddlewares adds given middlewares to given routes.
func WithMiddlewares(ms []Middleware, rs ...Route) []Route {
	for i := len(ms) - 1; i >= 0; i-- {
		rs = WithMiddleware(ms[i], rs...)
	}
	return rs
}

// WithMiddleware adds given middleware to given route.
func WithMiddleware(middleware Middleware, rs ...Route) []Route {
	routes := make([]Route, len(rs))

	for i := range rs {
		route := rs[i]
		routes[i] = Route{
			Matches: route.Matches,
			Handler: middleware(route.Handler),
		}
	}
	return routes
}