package proxy

import (
	"net/http"
	"path"
	"strings"
)

// NormalizeRequestURLPath collapses duplicate slashes and dot-segments in req.URL.Path
// (path.Clean) and clears RawPath so strip-prefix routing matches the client path even
// when the request line contained "//" (e.g. /api//mtg/health). Without this, the path
// may not match /api/{alias} and alias routing fails.
func NormalizeRequestURLPath(req *http.Request) {
	if req == nil || req.URL == nil {
		return
	}
	u := req.URL
	if u.Path == "" {
		u.Path = "/"
		u.RawPath = ""
		return
	}
	c := path.Clean(u.Path)
	if !strings.HasPrefix(c, "/") {
		c = "/" + c
	}
	u.Path = c
	u.RawPath = ""
}