package main

import (
	"cidebug/pkg/iowrappers"
	"github.com/gorilla/websocket"
	"io"
	"log"
	"net"
)

func handleConnection(tcpConn net.Conn, wsURL string) {
	defer tcpConn.Close()

	conn, _, err := websocket.DefaultDialer.Dial(wsURL, nil)
	wsConn := iowrappers.NewWebSocketConn(conn)
	if err != nil {
		log.Println("WebSocket connection error:", err)
		return
	}
	defer wsConn.Close()

	waitChannel := make(chan bool)

	go func() {
		defer func() {
			waitChannel <- true
		}()
		_, err = io.Copy(tcpConn, wsConn)
		if err != nil {
			log.Printf("error %v", err)
		}
	}()

	go func() {
		defer func() {
			waitChannel <- true
		}()
		_, err = io.Copy(wsConn, tcpConn)
		log.Printf("Error %v", err)
	}()

	<-waitChannel
}

func main() {
	tcpPort := "7000"
	wsURL := "ws://localhost:8000/ws" // Replace with your WebSocket server URL

	listener, err := net.Listen("tcp", ":"+tcpPort)
	if err != nil {
		log.Fatal(err)
	}
	defer listener.Close()

	log.Printf("TCP server listening on port %s", tcpPort)
	log.Printf("Forwarding connections to WebSocket server at %s", wsURL)

	for {
		conn, err := listener.Accept()
		if err != nil {
			log.Println(err)
			continue
		}
		go handleConnection(conn, wsURL)
	}
}