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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Asian Food QnA Chatbot</title>
<style>
#user-input {
width: 50%;
max-width: 600px;
}
</style>
<script>
let recognition;
function startSpeechRecognition() {
if (!('webkitSpeechRecognition' in window)) {
alert('Speech Recognition not supported in this browser.');
return;
}
recognition = new webkitSpeechRecognition();
recognition.continuous = false;
recognition.interimResults = false;
recognition.lang = 'en-US';
recognition.onstart = function () {
document.getElementById("speech-status").textContent = "Listening...";
};
recognition.onresult = function (event) {
const speechResult = event.results[0][0].transcript;
document.getElementById("user-input").value = speechResult;
askBot(speechResult);
};
recognition.onerror = function (event) {
alert("Speech Recognition Error: " + event.error);
};
recognition.onend = function () {
document.getElementById("speech-status").textContent = "";
};
recognition.start();
}
async function askBot(question) {
const responseBox = document.getElementById("response-box");
responseBox.textContent = "Waiting for response...";
try {
const response = await fetch('/ask', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({ question })
});
const data = await response.json();
if (data.error) {
responseBox.textContent = "Error: " + data.error;
} else {
responseBox.innerHTML = "You: " + question + "<br>" + "Bot: " + data.answer;
//responseBox.textContent = data.answer;
const audioUrl = data.audio + "?t=" + new Date().getTime(); // Add a timestamp to prevent caching
const audio = new Audio(audioUrl);
audio.play();
document.getElementById("user-input").value = "";
}
} catch (error) {
responseBox.textContent = "Error: Unable to process the request.";
}
}
function handleFormSubmit(event) {
event.preventDefault();
const question = document.getElementById("user-input").value;
if (question.trim()) {
askBot(question);
}
}
</script>
</head>
<body>
<h1>Asian Food QnA Chatbot - English</h1>
<form onsubmit="handleFormSubmit(event)">
<input type="text" id="user-input" placeholder="Type your question here..." required>
<button type="submit">Ask</button>
</form>
<button onclick="startSpeechRecognition()">🎤 Speak</button>
<span id="speech-status" style="color: green; margin-left: 10px;"></span>
<div id="response-box" style="margin-top: 20px; font-weight: bold;">Response:</div>
</body>
</html>
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