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