"use client"

import { useState } from "react"
import { Sidebar } from "@/components/sidebar"
import { Button } from "@/components/ui/button"
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
import { Badge } from "@/components/ui/badge"
import { Progress } from "@/components/ui/progress"
import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs"
import {
  BarChart,
  Bar,
  XAxis,
  YAxis,
  CartesianGrid,
  Tooltip,
  ResponsiveContainer,
  PieChart,
  Pie,
  Cell,
  RadarChart,
  PolarGrid,
  PolarAngleAxis,
  PolarRadiusAxis,
  Radar,
} from "recharts"
import { Download, Share2, TrendingUp, AlertCircle, CheckCircle, Star } from "lucide-react"
import { useToast } from "@/hooks/use-toast"

// 模擬評分結果數據
const mockResults = {
  projectTitle: "產品介紹簡報",
  overallScore: 82,
  totalPossible: 100,
  grade: "B+",
  analysisDate: "2024-01-15",
  criteria: [
    {
      name: "內容品質",
      score: 8.5,
      maxScore: 10,
      weight: 25,
      weightedScore: 21.25,
      feedback: "內容結構清晰，資訊豐富且準確。建議增加更多實際案例來支撐論點。",
      strengths: ["邏輯清晰", "資料準確", "結構完整"],
      improvements: ["增加案例", "深化分析"],
    },
    {
      name: "視覺設計",
      score: 7.8,
      maxScore: 10,
      weight: 20,
      weightedScore: 15.6,
      feedback: "整體設計風格統一，色彩搭配合理。部分頁面文字密度過高，影響閱讀體驗。",
      strengths: ["風格統一", "色彩協調", "版面整潔"],
      improvements: ["減少文字密度", "增加視覺元素"],
    },
    {
      name: "邏輯結構",
      score: 8.8,
      maxScore: 10,
      weight: 20,
      weightedScore: 17.6,
      feedback: "邏輯架構非常清晰，各章節銜接自然，論述層次分明。",
      strengths: ["邏輯清晰", "結構完整", "銜接自然"],
      improvements: ["可增加總結回顧"],
    },
    {
      name: "創新性",
      score: 7.2,
      maxScore: 10,
      weight: 15,
      weightedScore: 10.8,
      feedback: "內容具有一定創新性，但可以更大膽地提出獨特觀點和解決方案。",
      strengths: ["思路新穎", "角度獨特"],
      improvements: ["增加創新元素", "提出獨特見解"],
    },
    {
      name: "實用性",
      score: 8.3,
      maxScore: 10,
      weight: 20,
      weightedScore: 16.6,
      feedback: "內容實用性強，提供的解決方案具有可操作性，對目標受眾有實際價值。",
      strengths: ["實用性強", "可操作性好", "價值明確"],
      improvements: ["增加實施步驟"],
    },
  ],
}

const chartData = mockResults.criteria.map((item) => ({
  name: item.name,
  score: item.score,
  maxScore: item.maxScore,
  percentage: (item.score / item.maxScore) * 100,
}))

const pieData = mockResults.criteria.map((item) => ({
  name: item.name,
  value: item.weightedScore,
  weight: item.weight,
}))

const radarData = mockResults.criteria.map((item) => ({
  subject: item.name,
  score: item.score,
  fullMark: item.maxScore,
}))

const COLORS = ["#0891b2", "#6366f1", "#f59e0b", "#dc2626", "#10b981"]

export default function ResultsPage() {
  const [activeTab, setActiveTab] = useState("overview")
  const { toast } = useToast()

  const downloadReport = () => {
    toast({
      title: "報告下載中",
      description: "評審報告 PDF 正在生成，請稍候...",
    })
  }

  const shareResults = () => {
    toast({
      title: "分享連結已複製",
      description: "評審結果分享連結已複製到剪貼板",
    })
  }

  const getScoreColor = (score: number, maxScore: number) => {
    const percentage = (score / maxScore) * 100
    if (percentage >= 90) return "text-green-600"
    if (percentage >= 80) return "text-blue-600"
    if (percentage >= 70) return "text-yellow-600"
    if (percentage >= 60) return "text-orange-600"
    return "text-red-600"
  }

  const getGradeColor = (grade: string) => {
    if (grade.startsWith("A")) return "bg-green-100 text-green-800"
    if (grade.startsWith("B")) return "bg-blue-100 text-blue-800"
    if (grade.startsWith("C")) return "bg-yellow-100 text-yellow-800"
    return "bg-red-100 text-red-800"
  }

  return (
    <div className="min-h-screen bg-background">
      <Sidebar />

      <main className="md:ml-64 p-6">
        <div className="max-w-6xl mx-auto">
          {/* Header */}
          <div className="mb-8 pt-8 md:pt-0">
            <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
              <div>
                <h1 className="text-3xl font-bold text-foreground mb-2 font-[var(--font-playfair)]">評審結果</h1>
                <p className="text-muted-foreground">
                  {mockResults.projectTitle} - 分析完成於 {mockResults.analysisDate}
                </p>
              </div>
              <div className="flex gap-2">
                <Button onClick={shareResults} variant="outline">
                  <Share2 className="h-4 w-4 mr-2" />
                  分享
                </Button>
                <Button onClick={downloadReport}>
                  <Download className="h-4 w-4 mr-2" />
                  下載報告
                </Button>
              </div>
            </div>
          </div>

          {/* Overall Score */}
          <Card className="mb-8">
            <CardContent className="pt-6">
              <div className="grid md:grid-cols-4 gap-6">
                <div className="text-center">
                  <div className="text-4xl font-bold text-primary mb-2">{mockResults.overallScore}</div>
                  <div className="text-sm text-muted-foreground">總分 / {mockResults.totalPossible}</div>
                </div>
                <div className="text-center">
                  <Badge className={`text-lg px-4 py-2 ${getGradeColor(mockResults.grade)}`}>{mockResults.grade}</Badge>
                  <div className="text-sm text-muted-foreground mt-2">等級評定</div>
                </div>
                <div className="text-center">
                  <div className="flex items-center justify-center mb-2">
                    <TrendingUp className="h-6 w-6 text-green-600" />
                  </div>
                  <div className="text-sm text-muted-foreground">表現良好</div>
                </div>
                <div className="text-center">
                  <div className="flex items-center justify-center mb-2">
                    <Star className="h-6 w-6 text-yellow-500" />
                  </div>
                  <div className="text-sm text-muted-foreground">推薦等級</div>
                </div>
              </div>
            </CardContent>
          </Card>

          {/* Detailed Results */}
          <Tabs value={activeTab} onValueChange={setActiveTab}>
            <TabsList className="grid w-full grid-cols-4">
              <TabsTrigger value="overview">總覽</TabsTrigger>
              <TabsTrigger value="detailed">詳細分析</TabsTrigger>
              <TabsTrigger value="charts">圖表分析</TabsTrigger>
              <TabsTrigger value="suggestions">改進建議</TabsTrigger>
            </TabsList>

            <TabsContent value="overview" className="space-y-6">
              {/* Score Breakdown */}
              <Card>
                <CardHeader>
                  <CardTitle>評分明細</CardTitle>
                  <CardDescription>各項評分標準的得分情況</CardDescription>
                </CardHeader>
                <CardContent>
                  <div className="space-y-4">
                    {mockResults.criteria.map((item, index) => (
                      <div key={index} className="flex items-center justify-between p-4 bg-muted rounded-lg">
                        <div className="flex-1">
                          <div className="flex items-center gap-3 mb-2">
                            <h4 className="font-medium">{item.name}</h4>
                            <Badge variant="outline">{item.weight}% 權重</Badge>
                          </div>
                          <Progress value={(item.score / item.maxScore) * 100} className="h-2" />
                        </div>
                        <div className="text-right ml-4">
                          <div className={`text-2xl font-bold ${getScoreColor(item.score, item.maxScore)}`}>
                            {item.score}
                          </div>
                          <div className="text-sm text-muted-foreground">/ {item.maxScore}</div>
                        </div>
                      </div>
                    ))}
                  </div>
                </CardContent>
              </Card>

              {/* Quick Stats */}
              <div className="grid md:grid-cols-3 gap-6">
                <Card>
                  <CardContent className="pt-6 text-center">
                    <CheckCircle className="h-8 w-8 text-green-600 mx-auto mb-2" />
                    <div className="text-2xl font-bold text-green-600 mb-1">3</div>
                    <div className="text-sm text-muted-foreground">優秀項目</div>
                  </CardContent>
                </Card>
                <Card>
                  <CardContent className="pt-6 text-center">
                    <AlertCircle className="h-8 w-8 text-yellow-600 mx-auto mb-2" />
                    <div className="text-2xl font-bold text-yellow-600 mb-1">2</div>
                    <div className="text-sm text-muted-foreground">待改進項目</div>
                  </CardContent>
                </Card>
                <Card>
                  <CardContent className="pt-6 text-center">
                    <TrendingUp className="h-8 w-8 text-blue-600 mx-auto mb-2" />
                    <div className="text-2xl font-bold text-blue-600 mb-1">82%</div>
                    <div className="text-sm text-muted-foreground">整體表現</div>
                  </CardContent>
                </Card>
              </div>
            </TabsContent>

            <TabsContent value="detailed" className="space-y-6">
              {mockResults.criteria.map((item, index) => (
                <Card key={index}>
                  <CardHeader>
                    <div className="flex items-center justify-between">
                      <CardTitle className="flex items-center gap-2">
                        {item.name}
                        <Badge variant="outline">{item.weight}% 權重</Badge>
                      </CardTitle>
                      <div className={`text-2xl font-bold ${getScoreColor(item.score, item.maxScore)}`}>
                        {item.score}/{item.maxScore}
                      </div>
                    </div>
                  </CardHeader>
                  <CardContent className="space-y-4">
                    <div>
                      <h4 className="font-medium mb-2">AI 評語</h4>
                      <p className="text-muted-foreground leading-relaxed">{item.feedback}</p>
                    </div>

                    <div className="grid md:grid-cols-2 gap-4">
                      <div>
                        <h4 className="font-medium mb-2 text-green-700">優點</h4>
                        <ul className="space-y-1">
                          {item.strengths.map((strength, i) => (
                            <li key={i} className="flex items-center gap-2 text-sm">
                              <CheckCircle className="h-4 w-4 text-green-600" />
                              {strength}
                            </li>
                          ))}
                        </ul>
                      </div>
                      <div>
                        <h4 className="font-medium mb-2 text-orange-700">改進建議</h4>
                        <ul className="space-y-1">
                          {item.improvements.map((improvement, i) => (
                            <li key={i} className="flex items-center gap-2 text-sm">
                              <AlertCircle className="h-4 w-4 text-orange-600" />
                              {improvement}
                            </li>
                          ))}
                        </ul>
                      </div>
                    </div>
                  </CardContent>
                </Card>
              ))}
            </TabsContent>

            <TabsContent value="charts" className="space-y-6">
              <div className="grid lg:grid-cols-2 gap-6">
                {/* Bar Chart */}
                <Card>
                  <CardHeader>
                    <CardTitle>各項目得分</CardTitle>
                  </CardHeader>
                  <CardContent>
                    <ResponsiveContainer width="100%" height={300}>
                      <BarChart data={chartData}>
                        <CartesianGrid strokeDasharray="3 3" />
                        <XAxis dataKey="name" angle={-45} textAnchor="end" height={80} />
                        <YAxis domain={[0, 10]} />
                        <Tooltip />
                        <Bar dataKey="score" fill="#0891b2" />
                      </BarChart>
                    </ResponsiveContainer>
                  </CardContent>
                </Card>

                {/* Pie Chart */}
                <Card>
                  <CardHeader>
                    <CardTitle>權重分布</CardTitle>
                  </CardHeader>
                  <CardContent>
                    <ResponsiveContainer width="100%" height={300}>
                      <PieChart>
                        <Pie
                          data={pieData}
                          cx="50%"
                          cy="50%"
                          labelLine={false}
                          label={({ name, weight }) => `${name} (${weight}%)`}
                          outerRadius={80}
                          fill="#8884d8"
                          dataKey="value"
                        >
                          {pieData.map((entry, index) => (
                            <Cell key={`cell-${index}`} fill={COLORS[index % COLORS.length]} />
                          ))}
                        </Pie>
                        <Tooltip />
                      </PieChart>
                    </ResponsiveContainer>
                  </CardContent>
                </Card>
              </div>

              {/* Radar Chart */}
              <Card>
                <CardHeader>
                  <CardTitle>能力雷達圖</CardTitle>
                  <CardDescription>各項能力的綜合表現分析</CardDescription>
                </CardHeader>
                <CardContent>
                  <ResponsiveContainer width="100%" height={400}>
                    <RadarChart data={radarData}>
                      <PolarGrid />
                      <PolarAngleAxis dataKey="subject" />
                      <PolarRadiusAxis domain={[0, 10]} />
                      <Radar name="得分" dataKey="score" stroke="#0891b2" fill="#0891b2" fillOpacity={0.3} />
                    </RadarChart>
                  </ResponsiveContainer>
                </CardContent>
              </Card>
            </TabsContent>

            <TabsContent value="suggestions" className="space-y-6">
              <Card>
                <CardHeader>
                  <CardTitle>整體改進建議</CardTitle>
                  <CardDescription>基於 AI 分析結果的具體改進方向</CardDescription>
                </CardHeader>
                <CardContent className="space-y-6">
                  <div>
                    <h4 className="font-medium mb-3 text-green-700">繼續保持的優勢</h4>
                    <div className="grid md:grid-cols-2 gap-4">
                      <div className="p-4 bg-green-50 rounded-lg">
                        <h5 className="font-medium mb-2">邏輯結構清晰</h5>
                        <p className="text-sm text-muted-foreground">
                          內容組織有序，各部分銜接自然，建議在未來的作品中繼續保持這種清晰的邏輯架構。
                        </p>
                      </div>
                      <div className="p-4 bg-green-50 rounded-lg">
                        <h5 className="font-medium mb-2">內容品質優秀</h5>
                        <p className="text-sm text-muted-foreground">
                          資訊準確且豐富，專業度高，這是您的核心優勢，請繼續發揮。
                        </p>
                      </div>
                    </div>
                  </div>

                  <div>
                    <h4 className="font-medium mb-3 text-orange-700">重點改進方向</h4>
                    <div className="space-y-4">
                      <div className="p-4 bg-orange-50 rounded-lg">
                        <h5 className="font-medium mb-2">提升創新性</h5>
                        <p className="text-sm text-muted-foreground mb-3">當前創新性得分較低，建議：</p>
                        <ul className="text-sm space-y-1">
                          <li>• 嘗試從不同角度分析問題</li>
                          <li>• 引入新的理論或方法</li>
                          <li>• 提出獨特的解決方案</li>
                          <li>• 結合最新的行業趨勢</li>
                        </ul>
                      </div>

                      <div className="p-4 bg-orange-50 rounded-lg">
                        <h5 className="font-medium mb-2">優化視覺設計</h5>
                        <p className="text-sm text-muted-foreground mb-3">視覺呈現有改進空間，建議：</p>
                        <ul className="text-sm space-y-1">
                          <li>• 減少單頁文字密度</li>
                          <li>• 增加圖表和視覺元素</li>
                          <li>• 使用更多空白空間</li>
                          <li>• 統一字體和色彩風格</li>
                        </ul>
                      </div>
                    </div>
                  </div>

                  <div>
                    <h4 className="font-medium mb-3 text-blue-700">下一步行動計劃</h4>
                    <div className="space-y-3">
                      <div className="flex items-start gap-3 p-3 bg-blue-50 rounded-lg">
                        <div className="w-6 h-6 bg-blue-600 text-white rounded-full flex items-center justify-center text-sm font-bold">
                          1
                        </div>
                        <div>
                          <h5 className="font-medium">短期目標（1-2週）</h5>
                          <p className="text-sm text-muted-foreground">重新設計視覺版面，減少文字密度，增加圖表元素</p>
                        </div>
                      </div>
                      <div className="flex items-start gap-3 p-3 bg-blue-50 rounded-lg">
                        <div className="w-6 h-6 bg-blue-600 text-white rounded-full flex items-center justify-center text-sm font-bold">
                          2
                        </div>
                        <div>
                          <h5 className="font-medium">中期目標（1個月）</h5>
                          <p className="text-sm text-muted-foreground">
                            研究行業最新趨勢，為內容增加創新元素和獨特觀點
                          </p>
                        </div>
                      </div>
                      <div className="flex items-start gap-3 p-3 bg-blue-50 rounded-lg">
                        <div className="w-6 h-6 bg-blue-600 text-white rounded-full flex items-center justify-center text-sm font-bold">
                          3
                        </div>
                        <div>
                          <h5 className="font-medium">長期目標（3個月）</h5>
                          <p className="text-sm text-muted-foreground">建立個人風格的簡報模板，形成獨特的表達方式</p>
                        </div>
                      </div>
                    </div>
                  </div>
                </CardContent>
              </Card>
            </TabsContent>
          </Tabs>
        </div>
      </main>
    </div>
  )
}