Modify the server to add a REST API that allows for server-side message history, and a selfhosted webclient. The client remains unchanged, but maintains backwards compat with the server.

chatserver/templates/index.html

@@ -0,0 +1,74 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Web Chat Client</title>
+    <script src="https://cdn.socket.io/4.5.0/socket.io.min.js"></script>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            margin: 0;
+            padding: 0;
+            display: flex;
+            flex-direction: column;
+            height: 100vh;
+        }
+        #chat {
+            flex: 1;
+            overflow-y: auto;
+            padding: 10px;
+            border-bottom: 1px solid #ccc;
+        }
+        #messageInput {
+            display: flex;
+            padding: 10px;
+        }
+        #messageInput input {
+            flex: 1;
+            padding: 10px;
+            font-size: 16px;
+        }
+        #messageInput button {
+            padding: 10px;
+            font-size: 16px;
+        }
+    </style>
+</head>
+<body>
+    <div id="chat"></div>
+    <div id="messageInput">
+        <input type="text" id="message" placeholder="Type a message...">
+        <button onclick="sendMessage()">Send</button>
+    </div>
+
+    <script>
+        const socket = io('http://localhost:5000'); // Connect to the WebSocket server
+        const chatDiv = document.getElementById('chat');
+        const messageInput = document.getElementById('message');
+
+        let username = prompt("Enter your username:");
+        let chatRoom = prompt("Enter chat room (default: 'default')") || 'default';
+
+        // Join the chat room
+        socket.emit('join', { username: username, chat_room: chatRoom });
+
+        // Listen for messages from the server
+        socket.on('message', (data) => {
+            const messageElement = document.createElement('div');
+            messageElement.textContent = `${data.username || 'Server'}: ${data.message}`;
+            chatDiv.appendChild(messageElement);
+            chatDiv.scrollTop = chatDiv.scrollHeight; // Auto-scroll to the bottom
+        });
+
+        // Send a message to the server
+        function sendMessage() {
+            const message = messageInput.value;
+            if (message.trim() !== '') {
+                socket.emit('send_message', { username: username, chat_room: chatRoom, message: message });
+                messageInput.value = ''; // Clear the input field
+            }
+        }
+    </script>
+</body>
+</html>