chat page in the ui
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phact
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c121783284
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2 changed files with 206 additions and 1 deletions
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@ -2,7 +2,7 @@
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import Link from "next/link"
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import Link from "next/link"
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import { usePathname } from "next/navigation"
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import { usePathname } from "next/navigation"
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import { Search, Settings } from "lucide-react"
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import { Search, Settings, MessageCircle } from "lucide-react"
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import { cn } from "@/lib/utils"
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import { cn } from "@/lib/utils"
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export function Navigation() {
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export function Navigation() {
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@ -15,6 +15,12 @@ export function Navigation() {
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href: "/",
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href: "/",
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active: pathname === "/",
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active: pathname === "/",
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},
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},
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{
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label: "Chat",
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icon: MessageCircle,
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href: "/chat",
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active: pathname === "/chat",
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},
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{
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{
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label: "Admin",
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label: "Admin",
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icon: Settings,
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icon: Settings,
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199
frontend/src/app/chat/page.tsx
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199
frontend/src/app/chat/page.tsx
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@ -0,0 +1,199 @@
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"use client"
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import { useState, useRef, useEffect } from "react"
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import { Button } from "@/components/ui/button"
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import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
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import { Input } from "@/components/ui/input"
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import { MessageCircle, Send, Loader2, User, Bot } from "lucide-react"
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import { cn } from "@/lib/utils"
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interface Message {
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role: "user" | "assistant"
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content: string
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timestamp: Date
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}
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export default function ChatPage() {
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const [messages, setMessages] = useState<Message[]>([])
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const [input, setInput] = useState("")
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const [loading, setLoading] = useState(false)
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const messagesEndRef = useRef<HTMLDivElement>(null)
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const scrollToBottom = () => {
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messagesEndRef.current?.scrollIntoView({ behavior: "smooth" })
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}
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useEffect(() => {
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scrollToBottom()
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}, [messages])
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const handleSubmit = async (e: React.FormEvent) => {
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e.preventDefault()
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if (!input.trim() || loading) return
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const userMessage: Message = {
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role: "user",
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content: input.trim(),
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timestamp: new Date()
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}
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setMessages(prev => [...prev, userMessage])
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setInput("")
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setLoading(true)
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try {
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const response = await fetch("/api/chat", {
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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({ prompt: userMessage.content }),
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})
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const result = await response.json()
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if (response.ok) {
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const assistantMessage: Message = {
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role: "assistant",
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content: result.response,
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timestamp: new Date()
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}
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setMessages(prev => [...prev, assistantMessage])
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} else {
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console.error("Chat failed:", result.error)
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const errorMessage: Message = {
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role: "assistant",
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content: "Sorry, I encountered an error. Please try again.",
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timestamp: new Date()
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}
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setMessages(prev => [...prev, errorMessage])
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}
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} catch (error) {
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console.error("Chat error:", error)
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const errorMessage: Message = {
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role: "assistant",
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content: "Sorry, I couldn't connect to the chat service. Please try again.",
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timestamp: new Date()
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}
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setMessages(prev => [...prev, errorMessage])
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} finally {
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setLoading(false)
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}
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}
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return (
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<div className="max-w-4xl mx-auto space-y-8">
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<div className="text-center">
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<h1 className="text-3xl font-bold tracking-tight">Chat Assistant</h1>
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<p className="text-muted-foreground mt-2">Ask questions about your documents and get AI-powered answers</p>
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</div>
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<Card className="h-[600px] flex flex-col">
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<CardHeader>
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<CardTitle className="flex items-center gap-2">
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<MessageCircle className="h-5 w-5" />
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Chat
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</CardTitle>
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<CardDescription>
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Chat with AI about your indexed documents
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</CardDescription>
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</CardHeader>
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<CardContent className="flex-1 flex flex-col gap-4">
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{/* Messages Area */}
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<div className="flex-1 overflow-y-auto space-y-4 p-4 rounded-lg bg-muted/20">
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{messages.length === 0 ? (
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<div className="flex items-center justify-center h-full text-muted-foreground">
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<div className="text-center">
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<MessageCircle className="h-12 w-12 mx-auto mb-4 opacity-50" />
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<p>Start a conversation by asking a question!</p>
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<p className="text-sm mt-2">I can help you find information in your documents.</p>
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</div>
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</div>
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) : (
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<>
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{messages.map((message, index) => (
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<div
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key={index}
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className={cn(
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"flex w-full",
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message.role === "user" ? "justify-end" : "justify-start"
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)}
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>
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<div
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className={cn(
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"flex items-start gap-3 max-w-[80%]",
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message.role === "user" ? "flex-row-reverse" : "flex-row"
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)}
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>
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<div
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className={cn(
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"flex h-8 w-8 shrink-0 items-center justify-center rounded-full",
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message.role === "user"
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? "bg-primary text-primary-foreground"
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: "bg-secondary text-secondary-foreground"
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)}
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>
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{message.role === "user" ? (
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<User className="h-4 w-4" />
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) : (
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<Bot className="h-4 w-4" />
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)}
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</div>
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<div
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className={cn(
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"rounded-lg px-3 py-2 text-sm",
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message.role === "user"
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? "bg-primary text-primary-foreground"
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: "bg-card border border-border/40"
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)}
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>
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<p className="whitespace-pre-wrap">{message.content}</p>
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<p className="text-xs opacity-70 mt-1">
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{message.timestamp.toLocaleTimeString()}
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</p>
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</div>
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</div>
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</div>
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))}
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{loading && (
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<div className="flex w-full justify-start">
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<div className="flex items-start gap-3 max-w-[80%]">
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<div className="flex h-8 w-8 shrink-0 items-center justify-center rounded-full bg-secondary text-secondary-foreground">
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<Bot className="h-4 w-4" />
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</div>
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<div className="rounded-lg px-3 py-2 text-sm bg-card border border-border/40">
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<div className="flex items-center gap-2">
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<Loader2 className="h-4 w-4 animate-spin" />
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<span>Thinking...</span>
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</div>
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</div>
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</div>
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</div>
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)}
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<div ref={messagesEndRef} />
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</>
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)}
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</div>
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{/* Input Area */}
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<form onSubmit={handleSubmit} className="flex gap-2">
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<Input
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value={input}
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onChange={(e) => setInput(e.target.value)}
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placeholder="Ask a question about your documents..."
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disabled={loading}
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className="flex-1"
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/>
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<Button type="submit" disabled={!input.trim() || loading}>
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{loading ? (
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<Loader2 className="h-4 w-4 animate-spin" />
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) : (
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<Send className="h-4 w-4" />
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)}
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</Button>
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</form>
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</CardContent>
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</Card>
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</div>
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)
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}
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