// SPDX-License-Identifier: GPL-2.0-only

package main

import (
	"flag"
	"log"

	dnsviz "git.happydns.org/checker-dnsviz/checker"
	"git.happydns.org/checker-dnsviz/internal/collect"
	"git.happydns.org/checker-sdk-go/checker/server"
)

// Version is overridden at link time: -ldflags "-X main.Version=1.2.3".
var Version = "custom-build"

var (
	listenAddr       = flag.String("listen", ":8080", "HTTP listen address")
	dnsvizBin        = flag.String("dnsviz-bin", "dnsviz", "Path to the dnsviz CLI used by `probe` and `grok`")
	extraProbeArgs   = flag.String("extra-probe-args", "-A", "Whitespace-separated arguments appended to `dnsviz probe`")
	trustAnchorsFile = flag.String("trust-anchors-file", "", "BIND DNSKEY file passed to `dnsviz grok -t`. Empty falls back to /usr/share/dnssec-root/trusted-key.key (alpine `dnssec-root` package) when present.")
)

func main() {
	flag.Parse()

	dnsviz.Version = Version

	col := &collect.Collector{
		Bin:              *dnsvizBin,
		ExtraArgs:        *extraProbeArgs,
		TrustAnchorsFile: *trustAnchorsFile,
	}

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