package cmd

import (
	"net"
	"net/netip"

	"github.com/charmbracelet/log"
)

func runServer(server func(net.Listener) error) {
	if proto != "tcp" && proto != "udp" {
		log.Fatal("unsupported protocol, must be either tcp or udp")
	}

	if v6 {
		proto += "6"
	}

	addr, ok := netip.AddrFromSlice(ip)
	if !ok {
		log.Fatal("invalid ip")
	}

	ap := netip.AddrPortFrom(addr, port)

	listener, err := net.Listen(proto, ap.String())
	if err != nil {
		log.Fatal("unable to listen", "err", err)
	}

	log.Info("starting server", "proto", proto, "ip", ip, "port", port)

	err = server(listener)
	if err != nil {
		log.Fatal("error while handling connections", "err", err)
	}
}