package stage3

import (
	"fmt"
	"net"
	"net/netip"
	"runtime/debug"
)

func RunClient(serverAddrStr string) {
	defer func() {
		if r := recover(); r != nil {
			fmt.Printf("%v", r)
			debug.PrintStack()
		}
	}()

	iface, err := openInterface(network, clientIP, netName)
	must(err)

	myAddr, err := net.ResolveUDPAddr("udp", fmt.Sprintf(":%d", port))
	must(err)

	conn, err := net.ListenUDP("udp", myAddr)
	must(err)

	serverAddr, err := netip.ParseAddrPort(fmt.Sprintf("%s:%d", serverAddrStr, port))
	must(err)

	_, err = conn.WriteToUDPAddrPort([]byte{1, 2, 3, 4, 5, 6, 7, 8}, serverAddr)
	must(err)

	go readFromIFace(iface, conn, clientIP, serverIP, serverAddr)
	readFromConn(iface, conn, serverIP)
}