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397
components/chat-bot.tsx
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397
components/chat-bot.tsx
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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, CardHeader, CardTitle } from "@/components/ui/card"
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import { Input } from "@/components/ui/input"
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import { Badge } from "@/components/ui/badge"
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import { Avatar, AvatarFallback } from "@/components/ui/avatar"
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import { ScrollArea } from "@/components/ui/scroll-area"
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import {
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MessageCircle,
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X,
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Send,
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Bot,
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User,
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Loader2
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} from "lucide-react"
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interface Message {
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id: string
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text: string
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sender: "user" | "bot"
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timestamp: Date
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quickQuestions?: string[]
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}
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const DEEPSEEK_API_KEY = process.env.NEXT_PUBLIC_DEEPSEEK_API_KEY || "sk-3640dcff23fe4a069a64f536ac538d75"
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const DEEPSEEK_API_URL = process.env.NEXT_PUBLIC_DEEPSEEK_API_URL || "https://api.deepseek.com/v1/chat/completions"
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const systemPrompt = `你是一個競賽管理系統的AI助手，專門幫助用戶了解如何使用這個系統。
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系統功能包括：
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後台管理功能：
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1. 競賽管理 - 創建、編輯、刪除競賽
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2. 評審管理 - 管理評審團成員
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3. 評分系統 - 手動輸入評分或讓評審自行評分
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4. 團隊管理 - 管理參賽團隊
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5. 獎項管理 - 設定各種獎項
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6. 評審連結 - 提供評審登入連結
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前台功能：
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1. 競賽瀏覽 - 查看所有競賽資訊和詳細內容
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2. 團隊註冊 - 如何註冊參賽團隊和提交作品
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3. 作品展示 - 瀏覽參賽作品和投票功能
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4. 排行榜 - 查看人氣排行榜和得獎名單
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5. 個人中心 - 管理個人資料和參賽記錄
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6. 收藏功能 - 如何收藏喜歡的作品
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7. 評論系統 - 如何對作品進行評論和互動
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8. 搜尋功能 - 如何搜尋特定競賽或作品
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9. 通知系統 - 查看競賽更新和個人通知
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10. 幫助中心 - 常見問題和使用指南
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請用友善、專業的語氣回答用戶問題，並提供具體的操作步驟。回答要簡潔明瞭，避免過長的文字。
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重要：請不要使用任何Markdown格式，只使用純文字回答。不要使用**、*、#、-等符號。
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回答時請使用繁體中文。`
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export function ChatBot() {
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const [isOpen, setIsOpen] = useState(false)
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const [messages, setMessages] = useState<Message[]>([
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{
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id: "1",
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text: "您好！我是AI助手，很高興為您服務。我可以協助您了解競賽管理系統的使用方法，包括後台管理和前台功能。請問有什麼可以幫助您的嗎？",
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sender: "bot",
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timestamp: new Date(),
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quickQuestions: [
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"如何註冊參賽團隊？",
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"怎麼提交作品？",
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"如何創建新競賽？",
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"怎麼管理評審團？"
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]
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}
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])
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const [inputValue, setInputValue] = useState("")
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const [isTyping, setIsTyping] = useState(false)
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const [isLoading, setIsLoading] = useState(false)
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const messagesEndRef = useRef<HTMLDivElement>(null)
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const inputRef = useRef<HTMLInputElement>(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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// 清理 Markdown 格式和過長文字
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const cleanResponse = (text: string): string => {
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return text
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// 移除 Markdown 格式
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.replace(/\*\*(.*?)\*\*/g, '$1')
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.replace(/\*(.*?)\*/g, '$1')
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.replace(/`(.*?)`/g, '$1')
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.replace(/#{1,6}\s/g, '')
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.replace(/^- /g, '• ')
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.replace(/^\d+\.\s/g, '')
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// 移除多餘的空行
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.replace(/\n\s*\n\s*\n/g, '\n\n')
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// 限制文字長度，如果太長就截斷並添加省略號
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.slice(0, 300)
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.trim()
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}
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const callDeepSeekAPI = async (userMessage: string): Promise<string> => {
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try {
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const response = await fetch(DEEPSEEK_API_URL, {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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"Authorization": `Bearer ${DEEPSEEK_API_KEY}`
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},
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body: JSON.stringify({
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model: "deepseek-chat",
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messages: [
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{
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role: "system",
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content: systemPrompt
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},
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...messages
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.filter(msg => msg.sender === "user")
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.map(msg => ({
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role: "user" as const,
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content: msg.text
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})),
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{
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role: "user",
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content: userMessage
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}
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],
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max_tokens: 200, // 減少 token 數量以獲得更簡潔的回答
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temperature: 0.7
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})
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})
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if (!response.ok) {
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throw new Error(`API request failed: ${response.status}`)
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}
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const data = await response.json()
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const rawResponse = data.choices[0]?.message?.content || "抱歉，我現在無法回答您的問題，請稍後再試。"
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return cleanResponse(rawResponse)
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} catch (error) {
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console.error("DeepSeek API error:", error)
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return "抱歉，我現在無法連接到AI服務，請檢查網路連接或稍後再試。"
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}
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}
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// 根據用戶問題生成相關的快速問題
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const generateQuickQuestions = (userQuestion: string): string[] => {
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const question = userQuestion.toLowerCase()
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// 前台相關問題
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if (question.includes('註冊') || question.includes('團隊')) {
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return [
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"如何提交作品？",
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"怎麼查看競賽詳情？",
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"如何收藏作品？",
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"怎麼進行投票？"
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]
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}
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if (question.includes('作品') || question.includes('提交')) {
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return [
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"如何修改作品？",
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"怎麼查看作品狀態？",
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"如何刪除作品？",
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"怎麼下載作品？"
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]
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}
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if (question.includes('投票') || question.includes('排行榜')) {
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return [
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"如何查看排行榜？",
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"怎麼收藏作品？",
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"如何評論作品？",
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"怎麼分享作品？"
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]
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}
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// 後台相關問題
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if (question.includes('競賽') || question.includes('創建')) {
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return [
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"如何編輯競賽？",
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"怎麼設定評分標準？",
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"如何管理參賽團隊？",
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"怎麼設定獎項？"
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]
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}
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if (question.includes('評審') || question.includes('評分')) {
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return [
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"如何新增評審？",
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"怎麼設定評審權限？",
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"如何查看評分結果？",
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"怎麼生成評審連結？"
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]
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}
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// 通用問題
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return [
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"如何註冊參賽團隊？",
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"怎麼提交作品？",
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"如何創建新競賽？",
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"怎麼管理評審團？"
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]
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}
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const handleSendMessage = async (text: string) => {
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if (!text.trim() || isLoading) return
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const userMessage: Message = {
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id: Date.now().toString(),
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text: text.trim(),
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sender: "user",
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timestamp: new Date()
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}
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setMessages(prev => [...prev, userMessage])
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setInputValue("")
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setIsTyping(true)
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setIsLoading(true)
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try {
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const aiResponse = await callDeepSeekAPI(text)
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const botMessage: Message = {
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id: (Date.now() + 1).toString(),
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text: aiResponse,
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sender: "bot",
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timestamp: new Date(),
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quickQuestions: generateQuickQuestions(text)
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}
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setMessages(prev => [...prev, botMessage])
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} catch (error) {
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const errorMessage: Message = {
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id: (Date.now() + 1).toString(),
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text: "抱歉，發生錯誤，請稍後再試。",
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sender: "bot",
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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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setIsTyping(false)
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setIsLoading(false)
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}
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}
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const handleKeyPress = (e: React.KeyboardEvent) => {
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if (e.key === "Enter" && !e.shiftKey) {
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e.preventDefault()
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handleSendMessage(inputValue)
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}
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}
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return (
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<>
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{/* 浮動按鈕 */}
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<Button
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onClick={() => setIsOpen(true)}
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className="fixed bottom-6 right-6 w-14 h-14 rounded-full bg-blue-600 hover:bg-blue-700 shadow-lg z-50"
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size="icon"
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>
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<MessageCircle className="w-6 h-6" />
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</Button>
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{/* 聊天對話框 */}
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{isOpen && (
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<div className="fixed inset-0 bg-black bg-opacity-50 z-50 flex items-end justify-end p-4">
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<Card className="w-96 max-h-[80vh] flex flex-col shadow-2xl">
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<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-3">
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<CardTitle className="flex items-center space-x-2">
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<Bot className="w-5 h-5 text-blue-600" />
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<span>AI 助手</span>
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<Badge variant="secondary" className="text-xs">在線</Badge>
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</CardTitle>
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<Button
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variant="ghost"
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size="icon"
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onClick={() => setIsOpen(false)}
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className="h-8 w-8"
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>
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<X className="w-4 h-4" />
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</Button>
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</CardHeader>
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<CardContent className="flex-1 flex flex-col p-0 min-h-0">
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{/* 訊息區域 */}
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<div className="flex-1 overflow-y-auto px-4" style={{ minHeight: '200px', maxHeight: 'calc(80vh - 200px)' }}>
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<div className="space-y-4 pb-4">
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{messages.map((message) => (
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<div
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key={message.id}
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className={`flex ${message.sender === "user" ? "justify-end" : "justify-start"}`}
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>
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<div className={`flex items-start space-x-2 max-w-[85%] ${message.sender === "user" ? "flex-row-reverse space-x-reverse" : ""}`}>
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<Avatar className="w-8 h-8 flex-shrink-0">
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<AvatarFallback className="text-xs">
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{message.sender === "user" ? <User className="w-4 h-4" /> : <Bot className="w-4 h-4" />}
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</AvatarFallback>
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</Avatar>
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<div
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className={`rounded-lg px-3 py-2 text-sm break-words whitespace-pre-wrap ${
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message.sender === "user"
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? "bg-blue-600 text-white"
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: "bg-gray-100 text-gray-900"
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}`}
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style={{
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maxWidth: '100%',
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wordWrap: 'break-word',
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overflowWrap: 'break-word'
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}}
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>
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{message.text}
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{/* 快速問題按鈕 */}
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{message.sender === "bot" && message.quickQuestions && message.quickQuestions.length > 0 && (
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<div className="mt-3 space-y-2">
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<div className="text-xs text-gray-500 mb-2">您可能還想問：</div>
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<div className="flex flex-wrap gap-2">
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{message.quickQuestions.map((question, index) => (
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<Button
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key={index}
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variant="outline"
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size="sm"
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className="text-xs h-7 px-2 py-1 bg-white hover:bg-gray-50 border-gray-200"
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onClick={() => handleSendMessage(question)}
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disabled={isLoading}
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>
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{question}
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</Button>
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))}
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</div>
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</div>
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)}
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</div>
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</div>
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</div>
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))}
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{isTyping && (
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<div className="flex justify-start">
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<div className="flex items-start space-x-2">
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<Avatar className="w-8 h-8 flex-shrink-0">
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<AvatarFallback className="text-xs">
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<Bot className="w-4 h-4" />
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</AvatarFallback>
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</Avatar>
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<div className="bg-gray-100 rounded-lg px-3 py-2">
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<div className="flex items-center space-x-2">
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<Loader2 className="w-4 h-4 animate-spin" />
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<span className="text-sm text-gray-600">AI 正在思考...</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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</div>
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</div>
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{/* 輸入區域 */}
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<div className="p-4 border-t border-gray-200 bg-white flex-shrink-0">
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<div className="flex items-center space-x-2">
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<div className="flex-1 min-w-0">
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<Input
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ref={inputRef}
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value={inputValue}
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onChange={(e) => setInputValue(e.target.value)}
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onKeyPress={handleKeyPress}
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placeholder="輸入您的問題..."
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className="w-full"
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disabled={isLoading}
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/>
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</div>
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<Button
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onClick={() => handleSendMessage(inputValue)}
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disabled={!inputValue.trim() || isLoading}
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size="icon"
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className="w-10 h-10 flex-shrink-0"
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>
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{isLoading ? (
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<Loader2 className="w-4 h-4 animate-spin" />
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) : (
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<Send className="w-4 h-4" />
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)}
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</Button>
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</div>
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</div>
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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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)
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}
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Reference in New Issue
Block a user