package main

import (
	"fmt"
	"net/http"
)

func handleHome(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintln(w, "Try /ok, /gone and /locked.")
}

func handleOK(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintln(w, "All good.")
}

func handleGone(w http.ResponseWriter, r *http.Request) {
	http.NotFound(w, r)
}

func handleLocked(w http.ResponseWriter, r *http.Request) {
	http.Error(w, "Locked.", http.StatusForbidden)
}

func main() {
	http.HandleFunc("GET /{$}", handleHome)
	http.HandleFunc("GET /ok", handleOK)
	http.HandleFunc("GET /gone", handleGone)
	http.HandleFunc("GET /locked", handleLocked)

	fmt.Println("Server running at http://localhost:8080")
	fmt.Println("Press Ctrl+C to stop it.")

	err := http.ListenAndServe("localhost:8080", nil)
	if err != nil {
		fmt.Println("Server stopped:", err)
	}
}