codewithharsha commited on
Commit
87aeebb
·
verified ·
1 Parent(s): 7fe41ca

Create templates/index.html

Browse files
Files changed (1) hide show
  1. templates/index.html +285 -0
templates/index.html ADDED
@@ -0,0 +1,285 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <!DOCTYPE html>
2
+ <html lang="en">
3
+ <head>
4
+ <meta charset="UTF-8">
5
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
6
+ <title>Hotel Assistant Chat</title>
7
+ <script src="https://cdn.tailwindcss.com"></script>
8
+ <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
9
+ <style>
10
+ body {
11
+ font-family: 'Inter', sans-serif;
12
+ }
13
+ .custom-scrollbar::-webkit-scrollbar { width: 6px; }
14
+ .custom-scrollbar::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 10px; }
15
+ .custom-scrollbar::-webkit-scrollbar-thumb { background: #888; border-radius: 10px; }
16
+ .custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #555; }
17
+ .dark .custom-scrollbar::-webkit-scrollbar-track { background: #2d3748; }
18
+ .dark .custom-scrollbar::-webkit-scrollbar-thumb { background: #718096; }
19
+ .dark .custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #a0aec0; }
20
+
21
+ /* Speaker Icon Style */
22
+ .speaker-btn {
23
+ opacity: 0.6; /* Make it visible but subtle */
24
+ transition: opacity 0.2s ease-in-out, color 0.2s ease-in-out;
25
+ cursor: pointer;
26
+ }
27
+ .speaker-btn:hover {
28
+ opacity: 1.0;
29
+ color: #3b82f6; /* blue-500 */
30
+ }
31
+ </style>
32
+ </head>
33
+ <body class="bg-gray-100 dark:bg-gray-900 text-gray-800 dark:text-gray-200 flex items-center justify-center h-screen">
34
+
35
+ <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">
36
+ <!-- Header -->
37
+ <header class="p-4 border-b border-gray-200 dark:border-gray-700 flex items-center justify-between">
38
+ <h1 class="text-xl font-bold text-gray-800 dark:text-white">Hotel Assistant</h1>
39
+ <!-- Language dropdown removed -->
40
+ </header>
41
+
42
+ <!-- Chat Messages -->
43
+ <main id="chat-messages" class="flex-1 p-6 space-y-6 overflow-y-auto custom-scrollbar">
44
+ <!-- Initial bot message -->
45
+ <div class="flex items-start gap-3">
46
+ <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>
47
+ <div class="bg-gray-200 dark:bg-gray-700 p-4 rounded-lg rounded-tl-none max-w-lg shadow relative group">
48
+ <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>
49
+ <div class="absolute -right-8 top-1/2 -translate-y-1/2">
50
+ <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">
51
+ <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"/>
52
+ </svg>
53
+ </div>
54
+ </div>
55
+ </div>
56
+ </main>
57
+
58
+ <!-- Chat Input -->
59
+ <footer class="p-4 border-t border-gray-200 dark:border-gray-700">
60
+ <div class="relative">
61
+ <textarea
62
+ id="chat-input"
63
+ 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"
64
+ placeholder="Type your message or use the microphone..."
65
+ rows="1"
66
+ ></textarea>
67
+ <div class="absolute inset-y-0 right-4 flex items-center">
68
+ <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">
69
+ <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>
70
+ <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>
71
+ </button>
72
+ <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">
73
+ <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>
74
+ </button>
75
+ </div>
76
+ </div>
77
+ </footer>
78
+ </div>
79
+
80
+ <script>
81
+ // --- DOM Elements ---
82
+ const chatMessages = document.getElementById('chat-messages');
83
+ const chatInput = document.getElementById('chat-input');
84
+ const sendBtn = document.getElementById('send-btn');
85
+ const voiceBtn = document.getElementById('voice-btn');
86
+ const micIcon = document.getElementById('mic-icon');
87
+ const recordingIcon = document.getElementById('recording-icon');
88
+
89
+ // --- API Configuration ---
90
+ // Pointing to our local Flask server
91
+ const API_ENDPOINT = 'http://127.0.0.1:5000/chat';
92
+
93
+ // --- Speech Recognition Setup (English Only) ---
94
+ const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
95
+ let recognition;
96
+ let isRecording = false;
97
+
98
+ if (SpeechRecognition) {
99
+ recognition = new SpeechRecognition();
100
+ recognition.continuous = true;
101
+ recognition.interimResults = true;
102
+ recognition.lang = 'en-US'; // Hardcoded to English
103
+
104
+ recognition.onstart = () => {
105
+ isRecording = true;
106
+ micIcon.classList.add('hidden');
107
+ recordingIcon.classList.remove('hidden');
108
+ voiceBtn.classList.add('text-red-500');
109
+ chatInput.placeholder = 'Listening... Click the mic again to stop.';
110
+ };
111
+
112
+ recognition.onend = () => {
113
+ isRecording = false;
114
+ micIcon.classList.remove('hidden');
115
+ recordingIcon.classList.add('hidden');
116
+ voiceBtn.classList.remove('text-red-500');
117
+ chatInput.placeholder = 'Type your message or use the microphone...';
118
+ };
119
+
120
+ recognition.onresult = (event) => {
121
+ let interimTranscript = '';
122
+ let finalTranscript = '';
123
+ for (let i = event.resultIndex; i < event.results.length; ++i) {
124
+ if (event.results[i].isFinal) {
125
+ finalTranscript += event.results[i][0].transcript;
126
+ } else {
127
+ interimTranscript += event.results[i][0].transcript;
128
+ }
129
+ }
130
+ chatInput.value = finalTranscript + interimTranscript;
131
+ autoResizeTextarea();
132
+ };
133
+
134
+ recognition.onerror = (event) => {
135
+ console.error("Speech recognition error:", event.error);
136
+ chatInput.placeholder = `Mic error: ${event.error}`;
137
+ };
138
+
139
+ } else {
140
+ console.warn("Speech Recognition not supported in this browser.");
141
+ voiceBtn.disabled = true;
142
+ }
143
+
144
+ // --- Speech Synthesis Setup ---
145
+ const synth = window.speechSynthesis;
146
+
147
+ function speakText(elementId) {
148
+ const textElement = document.getElementById(elementId);
149
+ if (textElement && textElement.textContent && synth.speaking) {
150
+ synth.cancel(); // Stop any current speech
151
+ }
152
+ if (textElement && textElement.textContent) {
153
+ const utterance = new SpeechSynthesisUtterance(textElement.textContent);
154
+ utterance.onerror = (e) => console.error("Speech synthesis error:", e);
155
+ synth.speak(utterance);
156
+ }
157
+ }
158
+
159
+ // --- Event Listeners ---
160
+ sendBtn.addEventListener('click', sendMessage);
161
+ chatInput.addEventListener('keydown', (e) => {
162
+ if (e.key === 'Enter' && !e.shiftKey) {
163
+ e.preventDefault();
164
+ sendMessage();
165
+ }
166
+ });
167
+ voiceBtn.addEventListener('click', toggleRecording);
168
+ chatInput.addEventListener('input', autoResizeTextarea);
169
+
170
+ // --- Functions ---
171
+ function toggleRecording() {
172
+ if (!SpeechRecognition) return;
173
+ if (isRecording) {
174
+ recognition.stop();
175
+ } else {
176
+ recognition.start();
177
+ }
178
+ }
179
+
180
+ async function sendMessage() {
181
+ const messageText = chatInput.value.trim();
182
+ if (messageText === '') return;
183
+
184
+ addMessageToUI(messageText, 'user');
185
+ chatInput.value = '';
186
+ autoResizeTextarea();
187
+
188
+ // Show a "thinking" message from the bot
189
+ addMessageToUI("...", 'bot', true); // a "thinking" message
190
+
191
+ try {
192
+ // Call the stateless backend
193
+ const botResponse = await getBotResponseFromBackend(messageText);
194
+
195
+ // Update the "thinking" message with the real response
196
+ updateLastBotMessage(botResponse.response); // We now get an object
197
+
198
+ } catch (error) {
199
+ console.error("Error getting response from backend:", error);
200
+ updateLastBotMessage("I'm sorry, I'm having trouble connecting at the moment. Please try again later.");
201
+ }
202
+ }
203
+
204
+ async function getBotResponseFromBackend(text) {
205
+ const response = await fetch(API_ENDPOINT, {
206
+ method: 'POST',
207
+ headers: {
208
+ 'Content-Type': 'application/json',
209
+ },
210
+ // Send only the query, as the backend is stateless
211
+ body: JSON.stringify({ query: text }),
212
+ });
213
+
214
+ if (!response.ok) {
215
+ throw new Error(`API call failed with status: ${response.status}`);
216
+ }
217
+
218
+ const data = await response.json();
219
+ // The backend now sends an object: { intent: "qa", response: "..." }
220
+ return data;
221
+ }
222
+
223
+ function addMessageToUI(text, sender, isThinking = false) {
224
+ const messageElement = document.createElement('div');
225
+ const uniqueId = `msg-${Date.now()}`;
226
+
227
+ if (sender === 'user') {
228
+ messageElement.className = 'flex items-start gap-3 justify-end';
229
+ messageElement.innerHTML = `
230
+ <div class="bg-blue-500 text-white p-4 rounded-lg rounded-br-none max-w-lg shadow">
231
+ <p class="text-sm">${text}</p>
232
+ </div>
233
+ <div class="w-10 h-10 rounded-full bg-gray-300 flex items-center justify-center font-bold text-gray-600 shrink-0">You</div>
234
+ `;
235
+ } else {
236
+ messageElement.className = 'flex items-start gap-3';
237
+ messageElement.innerHTML = `
238
+ <div class="w-10 h-10 rounded-full bg-blue-500 flex items-center justify-center text-white font-bold text-lg shrink-0">H</div>
239
+ <div class="bg-gray-200 dark:bg-gray-700 p-4 rounded-lg rounded-tl-none max-w-lg shadow relative group">
240
+ <p class="text-sm" id="${uniqueId}">${isThinking ? '<span class="animate-pulse">Thinking...</span>' : text}</p>
241
+ <!-- Add speaker button here, but wait for final content -->
242
+ <div class="absolute -right-8 top-1/2 -translate-y-1/2" style="display: none;">
243
+ <svg onclick="speakText('${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">
244
+ <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"/>
245
+ </svg>
246
+ </div>
247
+ </div>
248
+ `;
249
+ }
250
+ chatMessages.appendChild(messageElement);
251
+ chatMessages.scrollTop = chatMessages.scrollHeight;
252
+ }
253
+
254
+ function updateLastBotMessage(text) {
255
+ const allBotMessages = chatMessages.querySelectorAll('.flex.items-start.gap-3:not(.justify-end)');
256
+ if (allBotMessages.length > 0) {
257
+ const lastMessageContainer = allBotMessages[allBotMessages.length - 1];
258
+ const textElement = lastMessageContainer.querySelector('p');
259
+ const speakerButtonContainer = lastMessageContainer.querySelector('.absolute');
260
+
261
+ if (textElement) {
262
+ textElement.innerHTML = text; // Update the text
263
+ }
264
+ if (speakerButtonContainer) {
265
+ speakerButtonContainer.style.display = 'block'; // Show the speaker button
266
+ }
267
+ }
268
+ }
269
+
270
+ function autoResizeTextarea() {
271
+ chatInput.style.height = 'auto';
272
+ chatInput.style.height = (chatInput.scrollHeight) + 'px';
273
+ if (chatInput.scrollHeight > 200) {
274
+ chatInput.style.overflowY = 'auto';
275
+ } else {
276
+ chatInput.style.overflowY = 'hidden';
277
+ }
278
+ }
279
+
280
+ // Initial resize
281
+ autoResizeTextarea();
282
+ </script>
283
+ </body>
284
+ </html>
285
+