package main

import (
	"fmt"
	"log"
	"net/url"
	"os"
	"os/signal"

	"github.com/gorilla/websocket"
)

func main() {
	interrupt := make(chan os.Signal, 1)
	signal.Notify(interrupt, os.Interrupt)

	u := url.URL{Scheme: "wss", Host: "wsdebug.tiefen.fun", Path: "/ws"} // 使用公共的 echo WebSocket 服务器进行测试
	//u := url.URL{Scheme: "ws", Host: "你的WebSocket服务器地址", Path: "/"} // 替换成你的服务器地址

	log.Printf("connecting to %s", u.String())

	c, resp, err := websocket.DefaultDialer.Dial(u.String(), nil)
	if err != nil {
		log.Fatal("dial:", err)
	}
	defer c.Close()
	fmt.Println(resp.StatusCode)

	done := make(chan struct{})

	c.WriteJSON(map[string]any{"t": 1})

	go func() {
		defer close(done)
		for {
			_, message, err := c.ReadMessage()
			if err != nil {
				log.Println("read:", err)
				return
			}
			log.Printf("recv: %s", message)
		}
	}()

	for {
		select {
		case <-done:
			return
		case <-interrupt:
			log.Println("interrupt")

			// Cleanly close the connection by sending a close message and then
			// waiting (with timeout) for the server to close the connection.
			err := c.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
			if err != nil {
				log.Println("write close:", err)
				return
			}
			select {
			case <-done:
			}
			return
		}
	}
}