package main

import (
	"log"
	"net/http"
	"github.com/gorilla/websocket"
)

var upgrader = websocket.Upgrader{
	ReadBufferSize: 1024,
	WriteBufferSize: 1024,
	CheckOrigin: func(r *http.Request) bool {
		return true
	},
}

func handler(w http.ResponseWriter, r *http.Request) {
	conn, err := upgrader.Upgrade(w, r, nil)
	if err != nil {
		log.Println("Upgrade error:", err)
		return
	}
	defer conn.Close()
	log.Println("欢迎来到小酒馆！！")

	for {
		// read message
		messageType, message, err := conn.ReadMessage()
		if err != nil {
			log.Println("拜拜了您嘞")
			break
		}

		log.Printf("听到了听到了，您说的是 %s", message)
		err = conn.WriteMessage(messageType, []byte("好嘞"))
		if err != nil {
			log.Println("啥玩意咋走了", err)
			break
		}
	}
}

func main() {
	http.HandleFunc("/ws", handler)
	log.Println("好戏开场")
	err := http.ListenAndServe(":8080", nil)

	if err != nil {
		log.Fatal("下回见伙计们", err)
	}
}