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87aeebb 7485d6e 87aeebb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 | <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Hotel Assistant Chat</title>
<script src="https://cdn.tailwindcss.com"></script>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
<style>
body {
font-family: 'Inter', sans-serif;
}
.custom-scrollbar::-webkit-scrollbar { width: 6px; }
.custom-scrollbar::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 10px; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: #888; border-radius: 10px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #555; }
.dark .custom-scrollbar::-webkit-scrollbar-track { background: #2d3748; }
.dark .custom-scrollbar::-webkit-scrollbar-thumb { background: #718096; }
.dark .custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #a0aec0; }
/* Speaker Icon Style */
.speaker-btn {
opacity: 0.6; /* Make it visible but subtle */
transition: opacity 0.2s ease-in-out, color 0.2s ease-in-out;
cursor: pointer;
}
.speaker-btn:hover {
opacity: 1.0;
color: #3b82f6; /* blue-500 */
}
</style>
</head>
<body class="bg-gray-100 dark:bg-gray-900 text-gray-800 dark:text-gray-200 flex items-center justify-center h-screen">
<div class="flex flex-col w-full max-w-3xl h-[95vh] bg-white dark:bg-gray-800 rounded-2xl shadow-2xl border border-gray-200 dark:border-gray-700">
<!-- Header -->
<header class="p-4 border-b border-gray-200 dark:border-gray-700 flex items-center justify-between">
<h1 class="text-xl font-bold text-gray-800 dark:text-white">Hotel Assistant</h1>
<!-- Language dropdown removed -->
</header>
<!-- Chat Messages -->
<main id="chat-messages" class="flex-1 p-6 space-y-6 overflow-y-auto custom-scrollbar">
<!-- Initial bot message -->
<div class="flex items-start gap-3">
<div class="w-10 h-10 rounded-full bg-blue-500 flex items-center justify-center text-white font-bold text-lg shrink-0">H</div>
<div class="bg-gray-200 dark:bg-gray-700 p-4 rounded-lg rounded-tl-none max-w-lg shadow relative group">
<p class="text-sm" id="msg-init">Welcome to our hotel! How can I assist you today? Feel free to ask me anything about the hotel's amenities or services.</p>
<div class="absolute -right-8 top-1/2 -translate-y-1/2">
<svg onclick="speakText('msg-init')" class="speaker-btn h-5 w-5 text-gray-500 dark:text-gray-400" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor">
<path d="M13.5 4.06c0-1.336-1.616-2.005-2.56-1.06l-4.5 4.5H4.5a1.5 1.5 0 0 0-1.5 1.5v6a1.5 1.5 0 0 0 1.5 1.5h1.94l4.5 4.5c.944.945 2.56.276 2.56-1.06V4.06ZM18.584 14.828a1.5 1.5 0 0 0 0-2.121l-1.414-1.414a1.5 1.5 0 1 0-2.121 2.121l1.414 1.414a1.5 1.5 0 0 0 2.121 0ZM18.584 9.172a1.5 1.5 0 1 0-2.121-2.121L15.05 8.465a1.5 1.5 0 1 0 2.121 2.121l1.413-1.414Z"/>
</svg>
</div>
</div>
</div>
</main>
<!-- Chat Input -->
<footer class="p-4 border-t border-gray-200 dark:border-gray-700">
<div class="relative">
<textarea
id="chat-input"
class="w-full bg-gray-100 dark:bg-gray-700 rounded-lg p-4 pr-32 text-sm focus:outline-none focus:ring-2 focus:ring-blue-500 transition duration-200 resize-none"
placeholder="Type your message or use the microphone..."
rows="1"
></textarea>
<div class="absolute inset-y-0 right-4 flex items-center">
<button id="voice-btn" class="p-2 text-gray-500 dark:text-gray-400 hover:text-blue-500 dark:hover:text-blue-400 rounded-full transition duration-200 focus:outline-none">
<svg id="mic-icon" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 11a7 7 0 01-7 7m0 0a7 7 0 01-7-7m7 7v4m0 0H8m4 0h4m-4-8a3 3 0 01-3-3V5a3 3 0 116 0v6a3 3 0 01-3 3z" /></svg>
<svg id="recording-icon" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 hidden animate-pulse" fill="red" viewBox="0 0 24 24" stroke="red"><circle cx="12" cy="12" r="10" /></svg>
</button>
<button id="send-btn" class="ml-2 p-2 bg-blue-500 text-white rounded-full hover:bg-blue-600 transition duration-200 focus:outline-none disabled:bg-gray-400 disabled:cursor-not-allowed">
<svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" /></svg>
</button>
</div>
</div>
</footer>
</div>
<script>
// --- DOM Elements ---
const chatMessages = document.getElementById('chat-messages');
const chatInput = document.getElementById('chat-input');
const sendBtn = document.getElementById('send-btn');
const voiceBtn = document.getElementById('voice-btn');
const micIcon = document.getElementById('mic-icon');
const recordingIcon = document.getElementById('recording-icon');
// --- API Configuration ---
// Pointing to our local Flask server
const API_ENDPOINT = '/chat';
// --- Speech Recognition Setup (English Only) ---
const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
let recognition;
let isRecording = false;
if (SpeechRecognition) {
recognition = new SpeechRecognition();
recognition.continuous = true;
recognition.interimResults = true;
recognition.lang = 'en-US'; // Hardcoded to English
recognition.onstart = () => {
isRecording = true;
micIcon.classList.add('hidden');
recordingIcon.classList.remove('hidden');
voiceBtn.classList.add('text-red-500');
chatInput.placeholder = 'Listening... Click the mic again to stop.';
};
recognition.onend = () => {
isRecording = false;
micIcon.classList.remove('hidden');
recordingIcon.classList.add('hidden');
voiceBtn.classList.remove('text-red-500');
chatInput.placeholder = 'Type your message or use the microphone...';
};
recognition.onresult = (event) => {
let interimTranscript = '';
let finalTranscript = '';
for (let i = event.resultIndex; i < event.results.length; ++i) {
if (event.results[i].isFinal) {
finalTranscript += event.results[i][0].transcript;
} else {
interimTranscript += event.results[i][0].transcript;
}
}
chatInput.value = finalTranscript + interimTranscript;
autoResizeTextarea();
};
recognition.onerror = (event) => {
console.error("Speech recognition error:", event.error);
chatInput.placeholder = `Mic error: ${event.error}`;
};
} else {
console.warn("Speech Recognition not supported in this browser.");
voiceBtn.disabled = true;
}
// --- Speech Synthesis Setup ---
const synth = window.speechSynthesis;
function speakText(elementId) {
const textElement = document.getElementById(elementId);
if (textElement && textElement.textContent && synth.speaking) {
synth.cancel(); // Stop any current speech
}
if (textElement && textElement.textContent) {
const utterance = new SpeechSynthesisUtterance(textElement.textContent);
utterance.onerror = (e) => console.error("Speech synthesis error:", e);
synth.speak(utterance);
}
}
// --- Event Listeners ---
sendBtn.addEventListener('click', sendMessage);
chatInput.addEventListener('keydown', (e) => {
if (e.key === 'Enter' && !e.shiftKey) {
e.preventDefault();
sendMessage();
}
});
voiceBtn.addEventListener('click', toggleRecording);
chatInput.addEventListener('input', autoResizeTextarea);
// --- Functions ---
function toggleRecording() {
if (!SpeechRecognition) return;
if (isRecording) {
recognition.stop();
} else {
recognition.start();
}
}
async function sendMessage() {
const messageText = chatInput.value.trim();
if (messageText === '') return;
addMessageToUI(messageText, 'user');
chatInput.value = '';
autoResizeTextarea();
// Show a "thinking" message from the bot
addMessageToUI("...", 'bot', true); // a "thinking" message
try {
// Call the stateless backend
const botResponse = await getBotResponseFromBackend(messageText);
// Update the "thinking" message with the real response
updateLastBotMessage(botResponse.response); // We now get an object
} catch (error) {
console.error("Error getting response from backend:", error);
updateLastBotMessage("I'm sorry, I'm having trouble connecting at the moment. Please try again later.");
}
}
async function getBotResponseFromBackend(text) {
const response = await fetch(API_ENDPOINT, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
// Send only the query, as the backend is stateless
body: JSON.stringify({ query: text }),
});
if (!response.ok) {
throw new Error(`API call failed with status: ${response.status}`);
}
const data = await response.json();
// The backend now sends an object: { intent: "qa", response: "..." }
return data;
}
function addMessageToUI(text, sender, isThinking = false) {
const messageElement = document.createElement('div');
const uniqueId = `msg-${Date.now()}`;
if (sender === 'user') {
messageElement.className = 'flex items-start gap-3 justify-end';
messageElement.innerHTML = `
<div class="bg-blue-500 text-white p-4 rounded-lg rounded-br-none max-w-lg shadow">
<p class="text-sm">${text}</p>
</div>
<div class="w-10 h-10 rounded-full bg-gray-300 flex items-center justify-center font-bold text-gray-600 shrink-0">You</div>
`;
} else {
messageElement.className = 'flex items-start gap-3';
messageElement.innerHTML = `
<div class="w-10 h-10 rounded-full bg-blue-500 flex items-center justify-center text-white font-bold text-lg shrink-0">H</div>
<div class="bg-gray-200 dark:bg-gray-700 p-4 rounded-lg rounded-tl-none max-w-lg shadow relative group">
<p class="text-sm" id="${uniqueId}">${isThinking ? '<span class="animate-pulse">Thinking...</span>' : text}</p>
<!-- Add speaker button here, but wait for final content -->
<div class="absolute -right-8 top-1/2 -translate-y-1/2" style="display: none;">
<svg onclick="speakText('${uniqueId}')" class="speaker-btn h-5 w-5 text-gray-500 dark:text-gray-400" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor">
<path d="M13.5 4.06c0-1.336-1.616-2.005-2.56-1.06l-4.5 4.5H4.5a1.5 1.5 0 0 0-1.5 1.5v6a1.5 1.5 0 0 0 1.5 1.5h1.94l4.5 4.5c.944.945 2.56.276 2.56-1.06V4.06ZM18.584 14.828a1.5 1.5 0 0 0 0-2.121l-1.414-1.414a1.5 1.5 0 1 0-2.121 2.121l1.414 1.414a1.5 1.5 0 0 0 2.121 0ZM18.584 9.172a1.5 1.5 0 1 0-2.121-2.121L15.05 8.465a1.5 1.5 0 1 0 2.121 2.121l1.413-1.414Z"/>
</svg>
</div>
</div>
`;
}
chatMessages.appendChild(messageElement);
chatMessages.scrollTop = chatMessages.scrollHeight;
}
function updateLastBotMessage(text) {
const allBotMessages = chatMessages.querySelectorAll('.flex.items-start.gap-3:not(.justify-end)');
if (allBotMessages.length > 0) {
const lastMessageContainer = allBotMessages[allBotMessages.length - 1];
const textElement = lastMessageContainer.querySelector('p');
const speakerButtonContainer = lastMessageContainer.querySelector('.absolute');
if (textElement) {
textElement.innerHTML = text; // Update the text
}
if (speakerButtonContainer) {
speakerButtonContainer.style.display = 'block'; // Show the speaker button
}
}
}
function autoResizeTextarea() {
chatInput.style.height = 'auto';
chatInput.style.height = (chatInput.scrollHeight) + 'px';
if (chatInput.scrollHeight > 200) {
chatInput.style.overflowY = 'auto';
} else {
chatInput.style.overflowY = 'hidden';
}
}
// Initial resize
autoResizeTextarea();
</script>
</body>
</html>
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