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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>Chat Flow 🕷</title>
<script src="https://cdn.tailwindcss.com"></script>
<style>
body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif; }
.chat-scroll { scrollbar-width: thin; scrollbar-color: #4a5568 #2d3748; }
.chat-scroll::-webkit-scrollbar { width: 6px; }
.chat-scroll::-webkit-scrollbar-track { background: #2d3748; }
.chat-scroll::-webkit-scrollbar-thumb { background: #4a5568; border-radius: 3px; }
.animate-bounce { animation: bounce 1s infinite; }
@keyframes bounce {
0%, 100% { transform: translateY(-25%); animation-timing-function: cubic-bezier(0.8,0,1,1); }
50% { transform: none; animation-timing-function: cubic-bezier(0,0,0.2,1); }
}
.sidebar-transition { transition: transform 0.3s ease-in-out; }
.sidebar-hidden { transform: translateX(-100%); }
.loading-dot-1 { animation-delay: 0s; }
.loading-dot-2 { animation-delay: 0.1s; }
.loading-dot-3 { animation-delay: 0.2s; }
</style>
</head>
<body class="bg-gray-900 text-white h-screen overflow-hidden">
<div class="flex h-screen relative">
<!-- Sidebar -->
<div id="sidebar" class="w-80 bg-gray-800 border-r border-gray-700 flex flex-col sidebar-transition z-10">
<!-- Sidebar Toggle Button -->
<button id="sidebarToggle" class="absolute -right-8 top-4 bg-black text-white p-2 rounded-r-lg hover:bg-gray-800 transition-colors z-20">
<svg id="toggleIcon" class="w-4 h-4" fill="currentColor" viewBox="0 0 24 24">
<path d="M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z"/>
</svg>
</button>
<!-- Header -->
<div class="p-4 border-b border-gray-700">
<div class="flex items-center gap-3 mb-4">
<div class="w-8 h-8 bg-blue-600 rounded-lg flex items-center justify-center">
<svg class="w-5 h-5" fill="currentColor" viewBox="0 0 24 24">
<path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/>
</svg>
</div>
<h1 class="text-xl font-semibold">Chat Flow</h1>
</div>
<button id="newChatBtn" class="w-full flex items-center gap-2 px-4 py-2 bg-black text-white hover:bg-gray-800 rounded-lg transition-colors">
<svg class="w-4 h-4" fill="currentColor" viewBox="0 0 24 24">
<path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
</svg>
New Chat
</button>
</div>
<!-- Chat History -->
<div class="flex-1 overflow-y-auto p-4 chat-scroll">
<h3 class="text-sm font-medium text-gray-400 mb-3">💬 Chat History</h3>
<div id="chatHistoryList" class="space-y-2">
<p class="text-gray-500 text-sm">No saved chats yet</p>
</div>
<button id="saveCurrentChatBtn" class="w-full mt-3 px-3 py-2 bg-black text-white hover:bg-gray-800 rounded-lg transition-colors text-sm">
💾 Save Current Chat
</button>
</div>
<!-- Settings -->
<div class="p-4 border-t border-gray-700 space-y-4">
<!-- Location Info -->
<div>
<h3 class="text-sm font-medium text-gray-400 mb-2">📍 Your Location</h3>
<div class="bg-gray-700 rounded-lg p-2 text-xs">
<div id="locationInfo" class="text-green-400">🌍 Getting location...</div>
</div>
</div>
<!-- Online Users -->
<div>
<h3 class="text-sm font-medium text-gray-400 mb-2">👥 Who's Online</h3>
<div class="flex items-center gap-2 text-sm mb-2">
<div class="w-2 h-2 bg-green-500 rounded-full"></div>
<span id="onlineStatus">Just you online</span>
</div>
<div class="text-xs text-gray-500" id="currentUser">You: Loading...</div>
</div>
<!-- Model Selection -->
<div>
<label class="block text-sm font-medium text-gray-400 mb-2">AI Model</label>
<select id="modelSelect" class="w-full px-3 py-2 bg-gray-700 border border-gray-600 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500">
<option value="openai/gpt-3.5-turbo">GPT-3.5 Turbo</option>
<option value="meta-llama/llama-3.1-8b-instruct">LLaMA 3.1 8B</option>
<option value="meta-llama/llama-3.1-70b-instruct">LLaMA 3.1 70B</option>
<option value="deepseek/deepseek-chat-v3-0324:free">DeepSeek Chat v3</option>
<option value="deepseek/deepseek-r1-0528:free">DeepSeek R1</option>
<option value="qwen/qwen3-coder:free">Qwen3 Coder</option>
<option value="microsoft/mai-ds-r1:free">Microsoft MAI DS R1</option>
<option value="google/gemma-3-27b-it:free">Gemma 3 27B</option>
<option value="google/gemma-3-4b-it:free">Gemma 3 4B</option>
<option value="openrouter/auto">Auto (Best Available)</option>
</select>
<p class="text-xs text-green-400 mt-1 font-mono" id="modelId">openai/gpt-3.5-turbo</p>
</div>
<!-- API Status -->
<div class="flex items-center gap-2 text-sm">
<div id="apiDot" class="w-2 h-2 rounded-full bg-green-500"></div>
<span id="apiStatus">🟢 API Connected</span>
</div>
<!-- Controls -->
<div class="grid grid-cols-2 gap-2">
<button id="downloadBtn" class="flex items-center justify-center px-3 py-2 bg-black text-white hover:bg-gray-800 rounded-lg transition-colors text-sm" title="Download History">
<svg class="w-4 h-4 mr-1" fill="currentColor" viewBox="0 0 24 24">
<path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/>
</svg>
Download
</button>
<button id="clearBtn" class="flex items-center justify-center px-3 py-2 bg-black text-white hover:bg-gray-800 rounded-lg transition-colors text-sm" title="Clear Chat">
<svg class="w-4 h-4 mr-1" fill="currentColor" viewBox="0 0 24 24">
<path d="M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM19 4h-3.5l-1-1h-5l-1 1H5v2h14V4z"/>
</svg>
Clear
</button>
</div>
</div>
</div>
<!-- Main Chat Area -->
<div id="mainArea" class="flex-1 flex flex-col transition-all duration-300">
<!-- Chat Messages -->
<div id="messagesContainer" class="flex-1 overflow-y-auto chat-scroll">
<!-- Welcome Screen -->
<div id="welcomeScreen" class="h-full flex items-center justify-center">
<div class="text-center max-w-md mx-auto px-4">
<div class="w-16 h-16 bg-gray-700 rounded-full flex items-center justify-center mx-auto mb-6">
<svg class="w-8 h-8 text-blue-400" fill="currentColor" viewBox="0 0 24 24">
<path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/>
</svg>
</div>
<h2 class="text-2xl font-semibold mb-4 text-gray-100">Which model would you like to talk with today?</h2>
<p class="text-gray-400 leading-relaxed">Choose from 10 powerful AI models and start chatting. Each model has unique strengths for different tasks.</p>
</div>
</div>
<!-- Messages Area -->
<div id="messagesArea" class="p-6 space-y-6 max-w-4xl mx-auto" style="display: none;">
</div>
</div>
<!-- Message Input -->
<div class="border-t border-gray-700 p-4">
<div class="max-w-4xl mx-auto">
<div class="flex gap-3">
<input
type="text"
id="messageInput"
placeholder="Chat Smarter. Chat many Brains"
class="flex-1 px-4 py-3 bg-gray-800 border border-gray-600 rounded-lg text-white placeholder-gray-400 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent"
/>
<button
id="sendBtn"
class="px-6 py-3 bg-blue-600 hover:bg-blue-700 disabled:bg-gray-600 disabled:cursor-not-allowed rounded-lg transition-colors flex items-center gap-2"
>
<svg class="w-4 h-4" fill="currentColor" viewBox="0 0 24 24">
<path d="M2.01 21L23 12 2.01 3 2 10l15 2-15 2z"/>
</svg>
Send
</button>
</div>
<div class="mt-2 text-center">
<span class="text-xs text-gray-500">Currently using: <strong id="currentModelName">GPT-3.5 Turbo</strong></span>
</div>
</div>
</div>
</div>
</div>
<script>
// 🔑 OpenRouter API Key
const API_KEY = "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";
// Global variables
let messages = [];
let savedChats = JSON.parse(localStorage.getItem('chatHistory') || '[]');
let selectedModel = 'openai/gpt-3.5-turbo';
let isLoading = false;
let userId = 'User-' + Math.random().toString(36).substr(2, 8);
let userLocation = { city: 'Unknown', country: 'Unknown' };
let sidebarVisible = true;
const models = {
'openai/gpt-3.5-turbo': 'GPT-3.5 Turbo',
'meta-llama/llama-3.1-8b-instruct': 'LLaMA 3.1 8B',
'meta-llama/llama-3.1-70b-instruct': 'LLaMA 3.1 70B',
'deepseek/deepseek-chat-v3-0324:free': 'DeepSeek Chat v3',
'deepseek/deepseek-r1-0528:free': 'DeepSeek R1',
'qwen/qwen3-coder:free': 'Qwen3 Coder',
'microsoft/mai-ds-r1:free': 'Microsoft MAI DS R1',
'google/gemma-3-27b-it:free': 'Gemma 3 27B',
'google/gemma-3-4b-it:free': 'Gemma 3 4B',
'openrouter/auto': 'Auto (Best Available)'
};
// Initialize app
document.addEventListener('DOMContentLoaded', async function() {
console.log('App starting...');
setupEventListeners();
await getUserLocation();
updateUserDisplay();
updateChatHistory();
console.log('App ready!');
});
function setupEventListeners() {
// Sidebar toggle
document.getElementById('sidebarToggle').onclick = toggleSidebar;
// Send button
document.getElementById('sendBtn').onclick = function() {
console.log('Send button clicked');
sendMessage();
};
// Enter key
document.getElementById('messageInput').onkeypress = function(e) {
if (e.key === 'Enter') {
console.log('Enter pressed');
sendMessage();
}
};
// Model selection
document.getElementById('modelSelect').onchange = function(e) {
selectedModel = e.target.value;
document.getElementById('modelId').textContent = selectedModel;
document.getElementById('currentModelName').textContent = models[selectedModel];
console.log('Model changed to:', selectedModel);
};
// New chat
document.getElementById('newChatBtn').onclick = function() {
messages = [];
updateDisplay();
console.log('New chat started');
};
// Save current chat
document.getElementById('saveCurrentChatBtn').onclick = function() {
saveCurrentChat();
};
// Clear chat
document.getElementById('clearBtn').onclick = function() {
messages = [];
updateDisplay();
console.log('Chat cleared');
};
// Download chat
document.getElementById('downloadBtn').onclick = function() {
downloadCurrentChat();
};
console.log('Event listeners setup complete');
}
function toggleSidebar() {
const sidebar = document.getElementById('sidebar');
const mainArea = document.getElementById('mainArea');
const toggleIcon = document.getElementById('toggleIcon');
sidebarVisible = !sidebarVisible;
if (sidebarVisible) {
sidebar.classList.remove('sidebar-hidden');
toggleIcon.innerHTML = '<path d="M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z"/>';
} else {
sidebar.classList.add('sidebar-hidden');
toggleIcon.innerHTML = '<path d="M8.59 16.59L10 18l6-6-6-6-1.41 1.41L13.17 12z"/>';
}
}
// Get user's real location (like your Streamlit code)
async function getUserLocation() {
try {
if (navigator.geolocation) {
const position = await new Promise((resolve, reject) => {
navigator.geolocation.getCurrentPosition(resolve, reject, {
timeout: 10000,
enableHighAccuracy: false
});
});
const { latitude, longitude } = position.coords;
// Use reverse geocoding
try {
const response = await fetch(`https://api.bigdatacloud.net/data/reverse-geocode-client?latitude=${latitude}&longitude=${longitude}&localityLanguage=en`);
const data = await response.json();
userLocation = {
city: data.city || data.locality || 'Unknown',
country: data.countryName || 'Unknown'
};
} catch (geocodeError) {
await getLocationByIP();
}
} else {
await getLocationByIP();
}
} catch (error) {
await getLocationByIP();
}
updateLocationDisplay();
}
async function getLocationByIP() {
try {
const response = await fetch('https://ipapi.co/json/');
const data = await response.json();
userLocation = {
city: data.city || 'Unknown',
country: data.country_name || 'Unknown'
};
} catch (error) {
userLocation = { city: 'Unknown', country: 'Unknown' };
}
}
function updateLocationDisplay() {
document.getElementById('locationInfo').textContent = `📍 ${userLocation.city}, ${userLocation.country}`;
}
async function sendMessage() {
const input = document.getElementById('messageInput');
const message = input.value.trim();
console.log('Sending message:', message);
if (!message || isLoading) {
console.log('No message or loading');
return;
}
// Add user message
messages.push({
role: 'user',
content: message
});
input.value = '';
updateDisplay();
setLoading(true);
try {
// Start streaming response - like your Streamlit code
await streamAIResponse(message);
} catch (error) {
console.error('Error:', error);
messages.push({
role: 'assistant',
content: 'Sorry, there was an error. Please try again.'
});
updateDisplay();
}
setLoading(false);
}
// Streaming implementation like your Streamlit code
async function streamAIResponse(userMessage) {
console.log('Starting stream...');
// Add empty assistant message for streaming
messages.push({
role: 'assistant',
content: ''
});
updateDisplay();
const apiMessages = [{
role: "system",
content: "You are a helpful AI assistant. Provide clear and helpful responses."
}];
// Build conversation history (like your Streamlit extend)
messages.slice(0, -1).forEach(msg => {
if (msg.role !== 'assistant' || !msg.content.includes('Response created by:')) {
apiMessages.push({
role: msg.role,
content: msg.content.split('\n\n---\n*Response created by:')[0]
});
}
});
const response = await fetch("https://openrouter.ai/api/v1/chat/completions", {
method: 'POST',
headers: {
"Content-Type": "application/json",
"Authorization": "Bearer " + API_KEY,
"HTTP-Referer": "https://huggingface.co/spaces",
"X-Title": "Chat Flow AI Assistant"
},
body: JSON.stringify({
model: selectedModel,
messages: apiMessages,
stream: true, // Enable streaming like Streamlit
max_tokens: 2000,
temperature: 0.7
})
});
if (!response.ok) {
throw new Error('API Error: ' + response.status);
}
const reader = response.body.getReader();
const decoder = new TextDecoder();
let fullResponse = '';
try {
while (true) {
const { done, value } = await reader.read();
if (done) break;
const chunk = decoder.decode(value, { stream: true });
const lines = chunk.split('\n');
for (const line of lines) {
if (line.trim() === '') continue;
if (line.startsWith('data: ')) {
const data = line.slice(6).trim();
if (data === '[DONE]') {
// Finalize response with attribution (like Streamlit)
const modelName = models[selectedModel] || "AI";
const finalResponse = fullResponse + "\n\n---\n*Response created by: **" + modelName + "***";
messages[messages.length - 1].content = finalResponse;
updateDisplay();
return;
}
if (data === '') continue;
try {
const parsed = JSON.parse(data);
const delta = parsed.choices?.[0]?.delta?.content;
if (delta) {
fullResponse += delta;
// Update display in real-time (like Streamlit placeholder.markdown)
updateStreamingMessage(fullResponse);
}
} catch (e) {
continue;
}
}
}
}
} finally {
reader.releaseLock();
}
}
function updateStreamingMessage(partialResponse) {
// Update the last message with streaming content + cursor
if (messages.length > 0) {
const lastMessage = messages[messages.length - 1];
if (lastMessage.role === 'assistant') {
lastMessage.content = partialResponse;
// Update display with cursor (like Streamlit "▌")
const messagesArea = document.getElementById('messagesArea');
const messageElements = messagesArea.children;
if (messageElements.length > 0) {
const lastMessageElement = messageElements[messageElements.length - 1];
const contentDiv = lastMessageElement.querySelector('.whitespace-pre-wrap');
if (contentDiv) {
contentDiv.textContent = partialResponse + " ▌";
}
}
messagesArea.scrollTop = messagesArea.scrollHeight;
}
}
}
function updateDisplay() {
const welcome = document.getElementById('welcomeScreen');
const messagesArea = document.getElementById('messagesArea');
if (messages.length === 0) {
welcome.style.display = 'flex';
messagesArea.style.display = 'none';
return;
}
welcome.style.display = 'none';
messagesArea.style.display = 'block';
let html = '';
messages.forEach(msg => {
const isUser = msg.role === 'user';
const avatar = isUser ?
'<div class="w-6 h-6 bg-blue-600 rounded-full"></div>' :
'<svg class="w-5 h-5 text-blue-400" fill="currentColor" viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>';
let content = msg.content;
let attribution = '';
if (msg.role === 'assistant' && content.includes('---\n*Response created by:')) {
const parts = content.split('\n\n---\n*Response created by:');
content = parts[0];
if (parts[1]) {
const modelName = parts[1].replace(/\*\*/g, '').replace(/\*/g, '');
attribution = '<div class="text-xs text-gray-500 mt-2 italic">Response created by: <strong>' + modelName + '</strong></div>';
}
}
html += `
<div class="flex gap-4">
<div class="w-8 h-8 rounded-full bg-gray-700 flex items-center justify-center flex-shrink-0">
${avatar}
</div>
<div class="flex-1 min-w-0">
<div class="whitespace-pre-wrap text-gray-100">${content}</div>
${attribution}
</div>
</div>
`;
});
messagesArea.innerHTML = html;
messagesArea.scrollTop = messagesArea.scrollHeight;
}
function setLoading(loading) {
isLoading = loading;
const btn = document.getElementById('sendBtn');
const input = document.getElementById('messageInput');
btn.disabled = loading;
input.disabled = loading;
}
function updateUserDisplay() {
document.getElementById('currentUser').textContent = 'You: ' + userId;
document.getElementById('onlineStatus').textContent = 'Just you online';
}
// Chat save functionality (like your Streamlit save_chat_history)
function saveCurrentChat() {
if (messages.length === 0) {
alert('No messages to save!');
return;
}
const title = generateChatTitle();
const chatData = {
id: Date.now(),
title: title,
messages: JSON.parse(JSON.stringify(messages)),
createdAt: new Date().toISOString(),
location: userLocation
};
savedChats.unshift(chatData);
localStorage.setItem('chatHistory', JSON.stringify(savedChats));
updateChatHistory();
alert('Chat saved successfully!');
}
function generateChatTitle() {
const firstUserMessage = messages.find(m => m.role === 'user');
if (!firstUserMessage) return 'Empty Chat';
const content = firstUserMessage.content;
return content.length > 30 ? content.substring(0, 30) + '...' : content;
}
function updateChatHistory() {
const historyList = document.getElementById('chatHistoryList');
if (savedChats.length === 0) {
historyList.innerHTML = '<p class="text-gray-500 text-sm">No saved chats yet</p>';
return;
}
let html = '';
savedChats.slice(0, 10).forEach(chat => { // Show last 10 chats
const date = new Date(chat.createdAt).toLocaleDateString();
html += `
<div class="group flex items-center gap-2">
<button onclick="loadChat(${chat.id})" class="flex-1 text-left px-3 py-2 bg-gray-700 hover:bg-gray-600 rounded-lg text-gray-300 transition-colors">
<div class="text-sm font-medium truncate">${chat.title}</div>
<div class="text-xs text-gray-400">${date}</div>
</button>
<button onclick="deleteChat(${chat.id})" class="opacity-0 group-hover:opacity-100 p-1 text-gray-400 hover:text-red-400 transition-all">
<svg class="w-4 h-4" fill="currentColor" viewBox="0 0 24 24"><path d="M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM19 4h-3.5l-1-1h-5l-1 1H5v2h14V4z"/></svg>
</button>
</div>
`;
});
historyList.innerHTML = html;
}
function loadChat(chatId) {
const chat = savedChats.find(c => c.id === chatId);
if (chat) {
messages = JSON.parse(JSON.stringify(chat.messages));
updateDisplay();
console.log('Chat loaded:', chat.title);
}
}
function deleteChat(chatId) {
if (confirm('Delete this chat?')) {
savedChats = savedChats.filter(c => c.id !== chatId);
localStorage.setItem('chatHistory', JSON.stringify(savedChats));
updateChatHistory();
}
}
function downloadCurrentChat() {
if (messages.length === 0) {
alert('No messages to download!');
return;
}
const chatData = {
title: generateChatTitle(),
messages: messages,
exportedAt: new Date().toISOString(),
location: userLocation,
userId: userId
};
const dataStr = JSON.stringify(chatData, null, 2);
const dataBlob = new Blob([dataStr], { type: 'application/json' });
const url = URL.createObjectURL(dataBlob);
const link = document.createElement('a');
link.href = url;
link.download = `chat_${new Date().toISOString().split('T')[0]}.json`;
link.click();
URL.revokeObjectURL(url); |