package main

import (
	"flag"
	"log"
	"log/syslog"
	"math/rand"
	"os"
	"time"

	"github.com/pyke369/golang-support/uconfig"
)

func main() {
	var err error
	var config *uconfig.UConfig
	// default configuration file is /etc/openvpn/dm-mgt-server.conf
	configFile := flag.String("config", "/etc/openvpn/vpn-mgt.conf", "configuration file")
	logToSyslog := flag.Bool("syslog", false, "Log to syslog")
	debug := flag.Bool("debug", false, "log every message received")
	flag.Parse()

	// parseconfig
	if config, err = uconfig.New(*configFile); err != nil {
		log.Println("config", configFile, err)
		os.Exit(1)
	}

	// seed the prng
	rand.Seed(time.Now().UnixNano())

	server := NewVPNServer(config.GetString("config.openvpnPort", "127.0.0.01:5000"), *debug)

	if *logToSyslog {
		log.SetFlags(0)
		logWriter, e := syslog.New(syslog.LOG_NOTICE, "vpncontrol")
		if e == nil {
			log.SetOutput(logWriter)
			defer logWriter.Close()
		}
	}

	// time to start the listeners
	go NewHTTPServer(
		config.GetString("config.http.port", "127.0.0.01:8080"),
		config.GetString("config.http.key", ""),
		config.GetString("config.http.cert", ""),
		server)
	server.Run()

	// server.Run() should never end
	os.Exit(1)
}