package main

import (
	"flag"
	"fmt"
	"net/http"

	"github.com/gorilla/mux"
)

var (
	port *int
)

func registerHTTPFlags() {
	port = flag.Int("port", 8080, "The port for HTTP")
}

func setupHTTPServer() http.Server {
	r := mux.NewRouter()

	r.HandleFunc("/", indexHandler)

	return http.Server{
		Addr:    fmt.Sprintf("0.0.0.0:%d", *port),
		Handler: r,
	}
}

// Host the index file
func indexHandler(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "%s", "Hello World!\n")
}