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added chatbot #205

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241 changes: 241 additions & 0 deletions components/Chatbot.jsx
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Original file line number Diff line number Diff line change
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import React, { useState, useRef, useEffect } from "react";
import { GoogleGenerativeAI } from "@google/generative-ai";
import { MessageCircle, X, Send, Bot, User, Loader2 } from "lucide-react";

const genAI = new GoogleGenerativeAI("genai_api_key");

const Chatbot = () => {
const [open, setOpen] = useState(false);
const [isAnimating, setIsAnimating] = useState(false);
const [messages, setMessages] = useState([
{ from: "bot", text: ">>> System initialized.\n I'm your AI assistant terminal. How can I help you today? Add your GENERATIVE-AI API key in components/chatbot.jsx", timestamp: Date.now() }
]);
const [input, setInput] = useState("");
const [isLoading, setIsLoading] = useState(false);
const messagesEndRef = useRef(null);
const inputRef = useRef(null);

const scrollToBottom = () => {
messagesEndRef.current?.scrollIntoView({ behavior: "smooth" });
};

useEffect(() => {
scrollToBottom();
}, [messages]);

useEffect(() => {
if (open && inputRef.current) {
inputRef.current.focus();
}
}, [open]);

const toggleChat = () => {
if (open) {
setIsAnimating(true);
setTimeout(() => {
setOpen(false);
setIsAnimating(false);
}, 250);
} else {
setOpen(true);
setIsAnimating(true);
setTimeout(() => {
setIsAnimating(false);
}, 50);
}
};

const sendMessage = async () => {
if (!input.trim() || isLoading) return;

const userMessage = {
from: "user",
text: input.trim(),
timestamp: Date.now()
};
setMessages(prev => [...prev, userMessage]);
setInput("");
setIsLoading(true);

try {
const model = genAI.getGenerativeModel({ model: "gemini-2.0-flash" });
const result = await model.generateContent(input.trim());
const response = await result.response;
const text = response.text();

setMessages(prev => [...prev, {
from: "bot",
text: text,
timestamp: Date.now()
}]);
} catch (err) {
console.error("Chatbot error:", err);
setMessages(prev => [...prev, {
from: "bot",
text: ">>> ERROR: Connection failed. Retrying connection... Please try again.",
timestamp: Date.now()
}]);
} finally {
setIsLoading(false);
}
};

const handleKeyPress = (e) => {
if (e.key === "Enter" && !e.shiftKey) {
e.preventDefault();
sendMessage();
}
};

const formatTime = (timestamp) => {
return new Date(timestamp).toLocaleTimeString([], {
hour: '2-digit',
minute: '2-digit'
});
};

return (
<div className="fixed bottom-6 right-6 z-50">
{!open && (
<button
onClick={toggleChat}
className="group bg-gradient-to-r from-green-500 to-green-400 p-4 rounded-full text-black shadow-lg hover:shadow-xl hover:shadow-green-500/25 transform hover:scale-105 transition-all duration-300 ease-out animate-pulse hover:animate-none border border-green-400"
aria-label="Open chat"
>
<MessageCircle className="w-6 h-6" />
<div className="absolute -top-2 -right-2 w-3 h-3 bg-green-300 rounded-full animate-ping"></div>
<div className="absolute -top-2 -right-2 w-3 h-3 bg-green-300 rounded-full"></div>
</button>
)}

{(open || isAnimating) && (
<div
className={`w-96 bg-black border border-green-500 rounded-2xl shadow-2xl shadow-green-500/20 overflow-hidden flex flex-col transition-all duration-300 ease-out transform origin-bottom-right ${
open && !isAnimating
? 'scale-100 opacity-100 translate-y-0'
: 'scale-95 opacity-0 translate-y-2'
}`}
onWheel={(e) => {
e.stopPropagation();
const messagesContainer = e.currentTarget.querySelector('[data-messages-container]');
if (messagesContainer && messagesContainer.contains(e.target)) {
return;
}
e.preventDefault();
}}
>
<div className="flex justify-between items-center p-4 bg-gradient-to-r from-gray-900 to-black text-green-400 border-b border-green-500/30">
<div className="flex items-center space-x-2">
<div className="w-8 h-8 bg-green-500/20 border border-green-500 rounded-full flex items-center justify-center">
<Bot className="w-4 h-4 text-green-400" />
</div>
<div>
<span className="font-mono font-semibold text-green-300">TERMINAL_AI</span>
<div className="text-xs opacity-90 font-mono text-green-500">Status: Online</div>
</div>
</div>
<button
onClick={toggleChat}
className="p-1 hover:bg-green-500/20 rounded-lg transition-all duration-200 hover:scale-110 border border-transparent hover:border-green-500"
aria-label="Close chat"
>
<X className="w-5 h-5 text-green-400" />
</button>
</div>

<div
data-messages-container
className="flex-1 overflow-y-auto p-4 space-y-4 max-h-96 min-h-80 bg-black scrollbar-thin scrollbar-thumb-green-600 scrollbar-track-gray-800"
style={{ scrollbarWidth: 'thin' }}
>
{messages.map((msg, index) => (
<div
key={index}
className={`flex items-start space-x-2 ${
msg.from === "user" ? "flex-row-reverse space-x-reverse" : ""
} animate-in slide-in-from-bottom-3 fade-in duration-300`}
style={{ animationDelay: `${index * 50}ms` }}
>
<div className={`w-8 h-8 rounded-full flex items-center justify-center flex-shrink-0 border ${
msg.from === "user"
? "bg-green-500/20 text-green-300 border-green-400"
: "bg-black text-green-400 border-green-500"
}`}>
{msg.from === "user" ? <User className="w-4 h-4" /> : <Bot className="w-4 h-4" />}
</div>

<div className={`flex flex-col max-w-xs ${
msg.from === "user" ? "items-end" : "items-start"
}`}>
<div className={`p-3 rounded-2xl text-sm leading-relaxed transition-all duration-200 hover:shadow-md font-mono border whitespace-pre-line ${
msg.from === "user"
? "bg-green-500/20 text-green-100 rounded-br-md border-green-400 hover:shadow-green-500/25"
: "bg-gray-900 text-green-300 rounded-bl-md border-green-500/50 hover:shadow-green-500/25"
}`}>
{msg.text}
</div>
<span className="text-xs text-green-500 mt-1 px-1 font-mono">
[{formatTime(msg.timestamp)}]
</span>
</div>
</div>
))}
{isLoading && (
<div className="flex items-start space-x-2 animate-in slide-in-from-bottom-3 fade-in duration-300">
<div className="w-8 h-8 bg-black text-green-400 border border-green-500 rounded-full flex items-center justify-center animate-pulse">
<Bot className="w-4 h-4" />
</div>
<div className="bg-gray-900 border border-green-500/50 p-3 rounded-2xl rounded-bl-md animate-pulse">
<div className="flex items-center space-x-2">
<Loader2 className="w-4 h-4 animate-spin text-green-400" />
<span className="text-sm text-green-300 font-mono">Processing...</span>
</div>
</div>
</div>
)}
<div ref={messagesEndRef} />
</div>

<div className="border-t border-green-500/30 p-4 bg-black">
<div className="flex items-end space-x-2">
<div className="flex-1 relative">
<textarea
ref={inputRef}
value={input}
onChange={(e) => setInput(e.target.value)}
onKeyPress={handleKeyPress}
placeholder="root@terminal:~$ _"
className="w-full text-green-300 placeholder-green-500/70 p-3 pr-12 text-sm bg-gray-900 border border-green-500/50 rounded-xl resize-none focus:outline-none focus:ring-2 focus:ring-green-400 focus:border-green-400 transition-all max-h-32 min-h-[44px] font-mono"
rows="2"
style={{
height: 'auto',
minHeight: '44px',
maxHeight: '128px',
}}
onInput={(e) => {
e.target.style.height = 'auto';
e.target.style.height = Math.min(e.target.scrollHeight, 128) + 'px';
}}
disabled={isLoading}
/>
</div>
<button
onClick={sendMessage}
disabled={!input.trim() || isLoading}
className="p-3 bg-green-500 text-black rounded-xl hover:bg-green-400 disabled:bg-gray-700 disabled:cursor-not-allowed transition-all duration-200 hover:scale-105 flex-shrink-0 border border-green-400 hover:shadow-lg hover:shadow-green-500/25"
aria-label="Send message"
>
<Send className="w-4 h-4" />
</button>
</div>
<div className="text-xs text-green-500 mt-2 text-center font-mono">
[ENTER] to execute | [SHIFT+ENTER] for new line
</div>
</div>
</div>
)}
</div>
);
};

export default Chatbot;
2 changes: 2 additions & 0 deletions components/pages/HomePage.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ import TestimonialsSlider from '../TestimonialsSlider';
import MentorsSlider from '../MentorsSlider';
import { getTestimonials, getHomepageMentors } from '../../services/homeService';
import { Testimonial, HomepageMentor } from '../../types';
import Chatbot from '../Chatbot';

const HeroSection: React.FC = () => {
const highlights = [
Expand Down Expand Up @@ -450,6 +451,7 @@ export const HomePage: React.FC = () => {
<TestimonialsSection />
<MentorsSection />
<ExploreFeaturesSection />
<Chatbot/>
</div>
);
};
10 changes: 10 additions & 0 deletions package-lock.json
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1 change: 1 addition & 0 deletions package.json
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Expand Up @@ -10,6 +10,7 @@
},
"dependencies": {
"@google/genai": "^1.5.1",
"@google/generative-ai": "^0.24.1",
"@marsidev/react-turnstile": "^0.4.1",
"@supabase/supabase-js": "^2.50.5",
"@tailwindcss/vite": "^4.1.11",
Expand Down