<!DOCTYPE html>

<html>

  <head>

    <script src="https://unpkg.com/react@17/umd/react.production.min.js"></script>

    <script src="https://unpkg.com/react-dom@17/umd/react-dom.production.min.js"></script>

    <script src="https://unpkg.com/babel-standalone@6.26.0/babel.min.js"></script>

    <style>

      body {

        background-color: black;

        color: white;

        font-family: Arial, sans-serif;

      }

    </style>

  </head>

  <body>

    <div id="root"></div>


    <script type="text/babel">

      const { useState } = React;


      function ChatApp() {

        const [messages, setMessages] = useState([]);

        const [input, setInput] = useState('');

        const [name, setName] = useState('');


        const sendMessage = async () => {

          if (input.trim() !== '') {

            const newMessage = { text: input, sender: name };


            // Add to the front-end

            setMessages([...messages, newMessage]);


            // Send to the Google Apps Script backend

            await fetch('/appscript_url_here', {

              method: 'POST',

              body: JSON.stringify(newMessage),

              headers: {

                'Content-Type': 'application/json',

              },

            });


            setInput('');

          }

        };


        return (

          <div>

            <h1>Enter Your Name</h1>

            <input 

              type="text" 

              value={name} 

              onChange={(e) => setName(e.target.value)} 

              placeholder="Your Name" 

            />

            <div>

              {messages.map((msg, index) => (

                <div key={index}>

                  <strong>{msg.sender}</strong>: {msg.text}

                </div>

              ))}

            </div>

            <input 

              type="text" 

              value={input} 

              onChange={(e) => setInput(e.target.value)} 

              placeholder="Type a message..." 

            />

            <button onClick={sendMessage}>Send</button>

          </div>

        );

      }


      ReactDOM.render(<ChatApp />, document.getElementById('root'));

    </script>

  </body>

</html>