package main

import (
	"fmt"
	"github.com/gorilla/pat"
	"net/http"
	"runtime"
)

var r *pat.Router

type handler func(http.ResponseWriter, *http.Request) error

func (h handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
	err := h(w, req)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
}

func index(w http.ResponseWriter, req *http.Request) (err error) {
	fmt.Fprint(w, "Bonjour")
	return
}

func hello(w http.ResponseWriter, req *http.Request) (err error) {
	fmt.Fprint(w, "hello")
	return
}

func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())

	r = pat.New()

	r.Add("GET", "/hello", handler(hello)).Name("hello")
	r.Add("GET", "/", handler(index)).Name("index")

	if err := http.ListenAndServe(":8000", r); err != nil {
		panic(err)
	}

}
