package main

import (
	"fmt"
	"net/http"
)

var AnonymousUser = "Anonymous"

func main() {

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		w.Write([]byte("Request Received From: "))

		user := r.Header["X-User-Id"]

        fmt.Println("User: ", user)

		if len(user) == 0 {
			w.Write([]byte(AnonymousUser))
		} else {
			w.Write([]byte(user[0]))
		}

        w.Write([]byte("\n"))
	})

    fmt.Println("Listening on port 8081")
	http.ListenAndServe(":8081", nil)

}