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Update public/script.js
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const form = document.getElementById("chat-form");
const input = document.getElementById("user-input");
const chatBox = document.getElementById("chat-box");
form.addEventListener("submit", async (e) => {
e.preventDefault();
const userMessage = input.value.trim();
if (!userMessage) return;
appendMessage(userMessage, "user");
input.value = "";
appendMessage("Typing...", "bot", true);
try {
const response = await fetch("/chat", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ message: userMessage }),
});
const data = await response.json();
removeTyping();
appendMessage(data.reply, "bot");
} catch (error) {
removeTyping();
appendMessage("Error connecting to server.", "bot");
}
});
function appendMessage(text, sender, isTyping = false) {
const message = document.createElement("div");
message.classList.add("message");
message.classList.add(sender === "user" ? "user-message" : "bot-message");
if (isTyping) message.id = "typing";
message.textContent = text;
chatBox.appendChild(message);
chatBox.scrollTop = chatBox.scrollHeight;
}
function removeTyping() {
const typingMsg = document.getElementById("typing");
if (typingMsg) typingMsg.remove();
}