{% extends "console-base.html" %}
{% load i18n %}
{% load static %}

{% block head %}
<title>WebVirtCloud - XTerm</title>
<link rel="stylesheet" href="https://unpkg.com/xterm@3.6.0/dist/xterm.css" />
<script src="https://unpkg.com/xterm@3.6.0/dist/xterm.js"></script>
<script src="https://unpkg.com/xterm@3.6.0/dist/addons/fit/fit.js"></script>
<script src="https://unpkg.com/xterm@3.6.0/dist/addons/fullscreen/fullscreen.js"></script>

<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.5.0/socket.io.js"></script>

{% endblock %}
{% block content %}
<div style="background: white; padding-bottom: 5px;">
    <span style="font-size: small;">Status: <span style="font-size: small;" id="status">connecting...</span></span>
    <button id="button"; type="button"; onclick="myFunction()";>Connect</button>
</div>

<div style="width: 100%; height:100%;" id="terminal"></div>
<script crossorigin="anonymous">
	Terminal.applyAddon(fit)

        var socket = io.connect({transports: ["websocket", "polling"]});

        const status = document.getElementById("status")
        const button = document.getElementById("button")

        var term = new Terminal({
            cursorBlink: true,
        });

        term.open(document.getElementById('terminal'));

        term.on('key', (key, ev) => {
            console.log("pressed key", key)
            socket.emit("pty_input", {"input": key})
        });

        socket.on("pty_output", function(output){
            console.log(output["output"])
            term.write(output["output"])
        })

        socket.on("connect", () => {
        status.innerHTML = '<span style="background-color: lightgreen;">connected</span>'
        button.innerHTML = 'Disconnect'
        })

        socket.on("disconnect", () => {
        status.innerHTML =  '<span style="background-color: #ff8383;">disconnected</span>'
        button.innerHTML = 'Connect'

        })

        function myFunction(){
            if (button.innerHTML =='Connect'){
               location.reload();
            }

            else if (button.innerHTML == "Disconnect"){
                socket.emit("disconnect_request")
            }
        }

        function resize(){
            term.fit()
            socket.emit("resize", {"cols": term.cols, "rows": term.rows})
        }

        window.onresize = resize
        window.onload = resize
</script>
{% endblock %}