Chatbot/chatbot.html at main · MirajMalik/Chatbot · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>Chatbot</title>
    <link rel="stylesheet" href="chatbot.css">
  </head>
  <body>
    <div class="js-container"></div>


    <script src="react-1.js"></script>
    <script src="https://unpkg.com/supersimpledev/react.js"></script>
    <script src="https://unpkg.com/supersimpledev/react-dom.js"></script>

    <script src="https://unpkg.com/supersimpledev/chatbot.js"></script>

    <script src="https://unpkg.com/supersimpledev/babel.js"></script>


    <script type="text/babel">


    // ChatInput Component

    function ChatInput({ chatMessages,setChatMessages }){

        const [inputText,setInputText] = React.useState('');


        function saveInputText(event){
            // event.target = gives us the element that we are typing in
            const value = event.target.value;
            setInputText(value);
        }

        function sendMessage(){

            // creating a variable so that it can remember the value . state doesnt update immediately , it updated when all the code is finished. if we dont
            // save the data , react will not update this and will update the response data only .
            const newChatMessages = [
                ...chatMessages,
                {
                    message : inputText,
                    sender  : 'user',
                    id      : crypto.randomUUID()
                }
            ]


            setChatMessages(newChatMessages);


            const response = Chatbot.getResponse(inputText);    // responses come from external library

              setChatMessages([
                ...newChatMessages,
                {
                    message : response,
                    sender  : 'robot',
                    id      : crypto.randomUUID()
                }
            ]);


            setInputText('');                                    // removes text in the input field after the send button clicked

        }


        return (
            <div className="input-container">
               <input
                    className = "chat-input"
                    type="text"
                    placeholder="Send a message to Chatbot"
                    size="30"
                    //onChange = runs a function when we changes the text inside an <input>
                    onChange = {saveInputText}
                    value    = {inputText}
                />

                <button
                    onClick = {sendMessage}
                    className = "send-button"

                >Send</button>
            </div>

        );
    }


    function ChatMessage({ message, sender }){

        return (

        <div className = {sender==='user' ? 'chat-message-user' : 'chat-message-robot'}>

            {sender==='robot' &&  (
                <img src="robot.png" className="chat-message-profile"  alt="robot" />
            )}

            <div className="chat-message-text">
                {message}
            </div>

            {sender==='user'  &&   (
                <img src="user.png" className="chat-message-profile" alt="user"  />
             )}

        </div>

        );

    }


    // ChatMessages component

    function ChatMessages({ chatMessages }){
        const chatMessagesRef = React.useRef(null);

        React.useEffect(() => {
            const containerElem = chatMessagesRef.current;
            if(containerElem){
                containerElem.scrollTop = containerElem.scrollHeight;
            }


        },[chatMessages])


        return(
            <div className="chat-messages-container" ref={chatMessagesRef}>

            {chatMessages.map((chatMessage) => {
                return(
                    <ChatMessage
                        message = {chatMessage.message}
                        sender  = {chatMessage.sender}
                        key     = {chatMessage.id}
                    />
                );

                })}

            </div>
        );
    }


    // main component

    function App(){
        //const array = React.useState([{
        const [chatMessages,setChatMessages] = React.useState([{
            message : 'hello chatbot' ,
            sender : 'user',
            id : crypto.randomUUID()
        },{
            message : 'Hello! How can I help you?' ,
            sender : 'robot' ,
            id : crypto.randomUUID()

        },{
            message : 'test',
            sender : 'user' ,
            id : crypto.randomUUID()

        },{
            message : 'Sorry, I didnt quite understand that. Currently, I only know how to flip a coin, roll a dice, or get todays date. Let me know how I can help!',
            sender : 'robot',
            id : crypto.randomUUID()
        }]);

        return(
        <div className="app-container">

            <ChatMessages
                chatMessages = {chatMessages}
            />

             <ChatInput
                chatMessages    = {chatMessages}
                setChatMessages = {setChatMessages}
            />
        </div>

        );
    }


    const container = document.querySelector('.js-container');

    ReactDOM.createRoot(container).render(<App />);


    </script>
  </body>
</html>
</html>