package server

import (
	"local/rproxy3/storage/packable"
	"log"
	"net/http"
	"net/http/httputil"
	"net/url"
	"strings"
)

func (s *Server) Proxy(w http.ResponseWriter, r *http.Request) {
	newURL, err := s.lookup(r.Host)
	if err != nil {
		http.NotFound(w, r)
		log.Printf("unknown host lookup %q", r.Host)
		return
	}
	r.Host = newURL.Host
	proxy := httputil.NewSingleHostReverseProxy(newURL)
	proxy.ServeHTTP(w, r)
}

func (s *Server) lookup(host string) (*url.URL, error) {
	host = strings.Split(host, ".")[0]
	v := packable.NewURL()
	err := s.db.Get(nsRouting, host, v)
	return v.URL(), err
}