package web

import (
	"fmt"
	"log"
	"net/http"

	"github.com/gorilla/mux"
	"github.com/spf13/viper"
)

// Router creates the default http router
func Router() *mux.Router {
	r := mux.NewRouter()
	r.HandleFunc("/", root)
	return r
}

func root(resp http.ResponseWriter, req *http.Request) {
	if req.URL.Path != "/" {
		http.NotFound(resp, req)
		return
	}
	fmt.Fprintf(resp, "Hello World!")
}

// RunServer runs the webserver with the router and middleware
func RunServer() {
	router := Router()
	log.Fatal(http.ListenAndServe(viper.GetString("addr"), router))
}