package main

import (
	"flag"
	"log"

	ptr "git.happydns.org/checker-ptr/checker"
	"git.happydns.org/checker-sdk-go/checker/server"
)

var (
	listenAddr       = flag.String("listen", ":8080", "HTTP listen address")
	fallbackResolver = flag.String("fallback-resolver", "1.1.1.1:53", "Resolver used when /etc/resolv.conf is missing or empty (host:port)")
)

var Version = "custom-build"

func main() {
	flag.Parse()

	ptr.Version = Version
	if *fallbackResolver != "" {
		ptr.FallbackResolver = *fallbackResolver
	}

	srv := server.New(ptr.Provider())
	if err := srv.ListenAndServe(*listenAddr); err != nil {
		log.Fatalf("server error: %v", err)
	}
}