package main

import (
	"crypto/tls"
	"log/slog"
	"strings"

	"github.com/caddyserver/certmagic"
	"github.com/okdaichi/gomoqt/moqt"

	"qgo/internal/relay"
)

func main() {
	domain := "qgo-server.quizer.space"
	email := "serverussnap@outlook.com"

	certmagic.DefaultACME.Email = email
	certmagic.DefaultACME.Agreed = true
	certmagic.Default.Storage = &certmagic.FileStorage{
		Path: "/root/.local/share/certmagic",
	}

	tlsConf, err := certmagic.TLS([]string{domain})
	if err != nil {
		slog.Error("TLS failed", "err", err)
		return
	}

	tlsConf.NextProtos = []string{"h3"}
	tlsConf.MinVersion = tls.VersionTLS13

	relayServer := relay.New()

	moqt.HandleFunc("/relay/", func(w moqt.SetupResponseWriter, r *moqt.SetupRequest) {

		room := strings.TrimPrefix(r.Path, "/relay/")
		mux := relayServer.GetMux(room)

		_, err := moqt.Accept(w, r, mux)
		if err != nil {
			slog.Error("accept failed", "err", err)
			w.Reject(moqt.InternalSessionErrorCode)
			return
		}

		slog.Info("session connected", "room", room)
	})

	slog.Info("Mini-SFU running",
		"url", "https://"+domain+"/relay/{room}",
	)

	if err := moqt.ListenAndServe(":443", tlsConf); err != nil {
		slog.Error("server failed", "err", err)
	}
}