package main

import (
	"flag"
	"fmt"
	"log"
	"net/http"
	"path/filepath"
)

func main() {
	cfgPath := flag.String("c", "nutils.toml", "config file path")
	flag.Parse()

	cfg, err := LoadConfig(*cfgPath)
	if err != nil {
		log.Fatalf("config: %v", err)
	}

	geo, err := InitGeo(&GeoConfig{
		AsnURL:   cfg.Geo.DownloadURLAsn,
		CityURL:  cfg.Geo.DownloadURLCity,
		AsnPath:  filepath.Join(cfg.Geo.CacheDir, filepath.Base(cfg.Geo.AsnDB)),
		CityPath: filepath.Join(cfg.Geo.CacheDir, filepath.Base(cfg.Geo.CityDB)),
	})
	if err != nil {
		log.Fatalf("geo init: %v", err)
	}
	defer geo.Close()

	services := BuildServices(cfg)
	if len(services) == 0 {
		log.Fatal("no services enabled")
	}

	fmt.Printf("nutils listening on %s with %d services\n", cfg.Server.Listen, len(services))
	log.Fatal(http.ListenAndServe(cfg.Server.Listen, Handle(services, geo)))
}