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<!doctype html>

<head>

content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">

integrity="sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1" crossorigin="anonymous">

integrity="sha512-UrjLcAek5jbj1vwGbXkviPHtgSNVNQCedX7cBIMDdSI2iZtUcZcoTh2Sqc8R9mVcijOjFUi1IlxhfrE1uWaIog=="

crossorigin="anonymous"/>

<style>

.chatbox {

outline: 1px solid silver;

min-height: 160px;

padding: 0.5em;

}

</style>

</head>

<body>

<hr>

</div>

<p><a href="https://github.com">Go to github</a></p>

<label for="username">Username:</label>

</div>

<label for="message">Message:</label>

</div>

<hr>

<a href="javascript:void(0);" class="btn btn-outline-secondary" id="sendBtn">Send Message</a>

</div>

</div>

<h3>Who's Online</h3>

</ul>

</div>

</body>

integrity="sha384-ygbV9kiqUc6oa4msXn9868pTtWMgiQaeYH7/t7LECLbyPA2x65Kgf80OJFdroafW"

crossorigin="anonymous"></script>

integrity="sha512-NHRCwRf2LnVSlLDejCA9oS3fG3/FLSQIPCjAWl3M7tVi5wszwr6FxkjotWnQDXLE+aLKcxRrzFDNEgXj9nvkPw=="

crossorigin="anonymous"></script>

let socket = null;

let o = document.getElementById("output");

let userField = document.getElementById("username");

let messageField = document.getElementById("message");

window. () {

console.log("Leaving");

let jsonData = {};

jsonData["action"] = "left";

socket.send(JSON.stringify(jsonData))

}

document.addEventListener("DOMContentLoaded", function () {

socket = new ReconnectingWebSocket("ws://127.0.0.1:8080/ws", null, {debug: true, reconectInterval: 3000});

const offline = `<span class="badge bg-danger">Not connected</span>`

const class="badge bg-success">Connected</span>`

let statusDiv = document.getElementById("status");

socket. => {

console.log("Successfully connected");

statusDiv.innerHTML = online;

}

socket. => {

console.log("connection closed");

statusDiv.innerHTML = offline;

}

socket. => {

console.log("there was an error");

statusDiv.innerHTML = offline;

}

socket. => {

let data = JSON.parse(msg.data);

console.log("Action is", data.action);

switch (data.action) {

case "list_users":

let ul = document.getElementById("online_users");

while (ul.firstChild) ul.removeChild(ul.firstChild);

if (data.connected_users.length > 0) {

data.connected_users.forEach(function (item) {

let li = document.createElement("li");

li.appendChild(document.createTextNode(item));

ul.appendChild(li);

})

}

break;

case "broadcast":

o.innerHTML = o.innerHTML + data.message + "<br>";

break;

}

userField.addEventListener("change", function () {

let jsonData = {};

jsonData["action"] = "username";

jsonData["username"] = this.value;

socket.send(JSON.stringify(jsonData));

})

messageField.addEventListener("keydown", function (event) {

if (event.code === "Enter") {

if (!socket) {

console.log("no connection");

return false

}

if ((userField.value === "") || (messageField.value === "")) {

errorMessage("Fill out username and message!");

return false;

} else {

sendMessage()

}

event.preventDefault();

event.stopPropagation();

}

})

document.getElementById("sendBtn").addEventListener("click", function () {

if ((userField.value === "") || (messageField.value === "")) {

errorMessage("Fill out username and message!");

return false;

} else {

sendMessage()

}

})

function sendMessage() {

let jsonData = {};

jsonData["action"] = "broadcast";

jsonData["username"] = userField.value;

jsonData["message"] = messageField.value;

socket.send(JSON.stringify(jsonData))

messageField.value = "";

}

function errorMessage(msg) {

notie.alert({

type: 'error',

text: msg,

})

}

</script>

</html>

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