package main

import (
	"net"
	"sync"
	"github.com/inszva/tap0901"
	"time"
	"fmt"
	"encoding/hex"
)

func main() {
	//Create a new virtual network interface
	tun, err := tap0901.OpenTun(net.IP([]byte{0, 0, 0, 0}), net.IP([]byte{0,0,0,0}), net.IP([]byte{0,0,0,0}))
    if err != nil {
        panic(err)
    }
	fmt.Println("Virtual Network Interface Created")
	time.Sleep(2 * time.Second)

	//create fucking DHCP IP
	err = tun.SetDHCPMasq(net.IP([]byte{162, 169, 228, 206}), net.IP([]byte{255, 255, 255, 0}),
        net.IP([]byte{0, 0, 0, 0}), net.IP([]byte{0, 0, 0, 0}))
	if err != nil {
        fmt.Println(err)
    }
	
	tun.Connect()
	time.Sleep(2 * time.Second)
	szName := tun.GetNetworkName(false)
	fmt.Println("Interface name: ", szName)
	tun.SetReadHandler(func (tun *tap0901.Tun, data []byte) {
	a := hex.EncodeToString(data)
	 bs, _ := hex.DecodeString(a)
		 fmt.Println(string(bs))
	})
	wp := sync.WaitGroup{}
	wp.Add(1)
	go func () {
		tun.Listen(1)
		wp.Done()
	} ()
	


	fmt.Println(tun.GetMTU(false))
	//fmt.Println(tun.Write([]byte{0x45, 0x00, 0x00, 0x23, 0x12, 0xa5, 0x00, 0x40, 0x11, 0xf3, 0x28, 0x7b, 0x02, 0x03, 0x04, 0x7b, 0x7b, 0x7b, 0x7b, 0x3d, 0x1d, 0x63, 0x71, 0x00, 0x0f, 0x59, 0x17, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67}))

	for {
		time.Sleep(3*time.Second)
		tun.Write([]byte("Hello World"))
		fmt.Println("Waiting")
	}
	time.Sleep(10*time.Second)
	tun.SignalStop()
	wp.Wait()

}