package main

import (
	"flag"
	"log"
	"net/http"
	"os"
	"path"

	"github.com/goproxy/goproxy"
)

type Logged struct{ goproxy http.Handler }

func (l *Logged) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	log.Print(r.URL)
	l.goproxy.ServeHTTP(w, r)
}

func main() {
	pth := flag.String("root", "/tmp/goproxy", "Path to storage")
	bind := flag.String("bind", "[::1]:1234", "Address to listen on")
	proxy := flag.String("proxy", "direct", "GOPROXY value")
	sumdb := flag.String("sumdb", "off", "GOSUMDB value")
	flag.Parse()
	log.SetFlags(0)
	log.Fatal(http.ListenAndServe(*bind, &Logged{&goproxy.Goproxy{
		GoBinEnv: append(
			os.Environ(),
			"GOPATH="+path.Join(*pth, "gopath"),
			"GOPROXY="+*proxy,
			"GOSUMDB="+*sumdb,
		),
		Cacher: goproxy.DirCacher(*pth),
	}}))
}