package main

import (
	"flag"
	"log"
	"net/http"
	"os"
	"os/signal"
	"syscall"
)

/*
	台南吃貨 WebApp
	License: AGPLv3
	Author: tobychui
*/

var (
	listening = flag.String("l", ":8080", "The default endpoint for request listening")
)

//Safe shutdown sequence
func shutdown() {

	os.Exit(0)
}

//Close handler, close db and clearn up everything before exit
func SetupCloseHandler() {
	c := make(chan os.Signal, 2)
	signal.Notify(c, os.Interrupt, syscall.SIGTERM)
	go func() {
		<-c
		shutdown()
	}()
}

//Main start functin
func main() {
	//Prase start up flags
	flag.Parse()

	//Setup Ctrl+C Listener
	SetupCloseHandler()

	//Start static file server
	fs := http.FileServer(http.Dir("./web"))
	http.Handle("/", fs)

	//Register special HTTP requests handler

	//Start WebServer
	log.Println("Standard (HTTP) Web server listening at " + *listening)
	http.ListenAndServe(*listening, nil)

}