Change Audiens

app/api/auth/login/route.ts

@@ -5,15 +5,14 @@ import { SignJWT } from 'jose';
 
 interface User {
   id_user: number;
-  nim: string;
-  username: string;
+  username?: string;
+  nip?: string;
   password: string;
-  role: string;
+  role_user: string;
 }
 
 export async function POST(request: Request) {
   try {
-    console.log('Login request received');
     
     // Test database connection first
     try {
@@ -23,15 +22,12 @@ export async function POST(request: Request) {
         .limit(1);
       
       if (testError) {
-        console.error('Database connection error:', testError);
         return NextResponse.json(
           { error: 'Tidak dapat terhubung ke database' },
           { status: 500 }
         );
       }
-      console.log('Database connection successful');
     } catch (dbError) {
-      console.error('Database connection error:', dbError);
       return NextResponse.json(
         { error: 'Tidak dapat terhubung ke database' },
         { status: 500 }
@@ -39,31 +35,45 @@ export async function POST(request: Request) {
     }
 
     const body = await request.json();
-    console.log('Request body:', body);
     
-    const { nim, password } = body;
-    console.log('Extracted credentials:', { nim, password: '***' });
+    const { username, nip, password, role } = body;
 
-    // Validate input
-    if (!nim || !password) {
-      console.log('Missing credentials:', { nim: !!nim, password: !!password });
+    // Validate input based on role
+    if (role === 'admin') {
+      if (!username || !password) {
+        return NextResponse.json(
+          { error: 'Username dan password harus diisi' },
+          { status: 400 }
+        );
+      }
+    } else if (role === 'dosen' || role === 'kajur') {
+      if (!nip || !password) {
+        return NextResponse.json(
+          { error: 'NIP dan password harus diisi' },
+          { status: 400 }
+        );
+      }
+    } else {
       return NextResponse.json(
-        { error: 'NIM dan password harus diisi' },
+        { error: 'Role tidak valid' },
         { status: 400 }
       );
     }
 
-    // Get user by NIM
-    console.log('Querying user with NIM:', nim);
+    // Get user by username (admin) or NIP (dosen/kajur)
     let users: User[];
     try {
-      const { data, error } = await supabase
-        .from('user_app')
-        .select('*')
-        .eq('nim', nim);
+      let query = supabase.from('user_app').select('*');
+      
+      if (role === 'admin') {
+        query = query.eq('username', username);
+      } else {
+        query = query.eq('nip', nip);
+      }
+
+      const { data, error } = await query;
 
       if (error) {
-        console.error('Database query error:', error);
         return NextResponse.json(
           { error: 'Terjadi kesalahan saat memeriksa data pengguna' },
           { status: 500 }
@@ -71,9 +81,7 @@ export async function POST(request: Request) {
       }
 
       users = data || [];
-      console.log('Query result:', users.length > 0 ? 'User found' : 'User not found');
     } catch (queryError) {
-      console.error('Database query error:', queryError);
       return NextResponse.json(
         { error: 'Terjadi kesalahan saat memeriksa data pengguna' },
         { status: 500 }
@@ -81,29 +89,40 @@ export async function POST(request: Request) {
     }
 
     if (users.length === 0) {
-      console.log('No user found with NIM:', nim);
       return NextResponse.json(
-        { error: 'NIM atau password salah' },
+        { error: role === 'admin' ? 'Username atau password salah' : 'NIP atau password salah' },
         { status: 401 }
       );
     }
 
     const user = users[0];
-    console.log('User found:', { 
-      id: user.id_user, 
-      nim: user.nim, 
-      username: user.username, 
-      role: user.role 
-    });
 
-    // Verify password
-    console.log('Verifying password...');
+    // Check if user role matches
+    if (user.role_user !== role) {
+      return NextResponse.json(
+        { error: 'Role tidak sesuai' },
+        { status: 401 }
+      );
+    }
+
+    // Verify password    
     let isPasswordValid;
     try {
-      isPasswordValid = await bcrypt.compare(password, user.password);
-      console.log('Password verification result:', isPasswordValid ? 'Valid' : 'Invalid');
+      // For admin, check if password is plain text (not hashed)
+      if (user.role_user === 'admin') {
+        // Check if stored password is plain text (not starting with $2a$ or $2b$)
+        if (!user.password.startsWith('$2a$') && !user.password.startsWith('$2b$')) {
+          // Plain text password - direct comparison
+          isPasswordValid = password === user.password;
+        } else {
+          // Hashed password - use bcrypt
+          isPasswordValid = await bcrypt.compare(password, user.password);
+        }
+      } else {
+        // For dosen/kajur, always use bcrypt (should be hashed)
+        isPasswordValid = await bcrypt.compare(password, user.password);
+      }
     } catch (bcryptError) {
-      console.error('Password verification error:', bcryptError);
       return NextResponse.json(
         { error: 'Terjadi kesalahan saat memverifikasi password' },
         { status: 500 }
@@ -111,28 +130,32 @@ export async function POST(request: Request) {
     }
 
     if (!isPasswordValid) {
-      console.log('Invalid password for user:', nim);
       return NextResponse.json(
-        { error: 'NIM atau password salah' },
+        { error: role === 'admin' ? 'Username atau password salah' : 'NIP atau password salah' },
         { status: 401 }
       );
     }
 
     // Create JWT token
-    console.log('Creating JWT token...');
     let token;
     try {
-      token = await new SignJWT({
+      const tokenPayload: any = {
         id: user.id_user,
-        nim: user.nim,
-        role: user.role
-      })
+        role: user.role_user
+      };
+      
+      // Add username for admin, NIP for dosen/kajur
+      if (user.role_user === 'admin') {
+        tokenPayload.username = user.username;
+      } else {
+        tokenPayload.nip = user.nip;
+      }
+      
+      token = await new SignJWT(tokenPayload)
         .setProtectedHeader({ alg: 'HS256' })
         .setExpirationTime('24h')
         .sign(new TextEncoder().encode(process.env.JWT_SECRET || 'your-secret-key'));
-      console.log('JWT token created');
     } catch (jwtError) {
-      console.error('JWT creation error:', jwtError);
       return NextResponse.json(
         { error: 'Terjadi kesalahan saat membuat token' },
         { status: 500 }
@@ -140,14 +163,20 @@ export async function POST(request: Request) {
     }
 
     // Set cookie
-    console.log('Setting response...');
+    const userResponse: any = {
+      id: user.id_user,
+      role: user.role_user
+    };
+    
+    // Add username for admin, NIP for dosen/kajur
+    if (user.role_user === 'admin') {
+      userResponse.username = user.username;
+    } else {
+      userResponse.nip = user.nip;
+    }
+    
     const response = NextResponse.json({
-      user: {
-        id: user.id_user,
-        nim: user.nim,
-        username: user.username,
-        role: user.role
-      }
+      user: userResponse
     });
 
     response.cookies.set('token', token, {
@@ -156,15 +185,11 @@ export async function POST(request: Request) {
       sameSite: 'lax',
       maxAge: 60 * 60 * 24 // 24 hours
     });
-    console.log('Cookie set');
 
-    console.log('Login process completed successfully');
     return response;
   } catch (error) {
-    console.error('Login error details:', error);
     if (error instanceof Error) {
       console.error('Error message:', error.message);
-      console.error('Error stack:', error.stack);
     }
     return NextResponse.json(
       { error: 'Terjadi kesalahan saat login' },

app/api/auth/register/route.ts

@@ -4,48 +4,34 @@ import bcrypt from 'bcryptjs';
 
 export async function POST(request: Request) {
   try {
-    const { username, nim, password } = await request.json();
+    const { nip, password } = await request.json();
 
     // Validate input
-    if (!username || !nim || !password) {
+    if (!nip || !password) {
       return NextResponse.json(
-        { error: 'Semua field harus diisi' },
+        { error: 'NIP dan password harus diisi' },
         { status: 400 }
       );
     }
 
-    // Validate NIM format (11 characters)
-    if (nim.length !== 11) {
+    // Validate password length
+    if (password.length < 6) {
       return NextResponse.json(
-        { error: 'NIM harus 11 karakter' },
+        { error: 'Password minimal 6 karakter' },
         { status: 400 }
       );
     }
 
-    // Check if NIM exists in mahasiswa table
-    const { data: mahasiswa, error: mahasiswaError } = await supabase
-      .from('mahasiswa')
-      .select('nim')
-      .eq('nim', nim)
-      .single();
-
-    if (mahasiswaError || !mahasiswa) {
-      return NextResponse.json(
-        { error: 'NIM tidak terdaftar sebagai mahasiswa' },
-        { status: 400 }
-      );
-    }
-
-    // Check if NIM already exists in user_app table
+    // Check if NIP already exists in user_app table
     const { data: existingUsers, error: userError } = await supabase
       .from('user_app')
-      .select('nim')
-      .eq('nim', nim)
+      .select('nip')
+      .eq('nip', nip)
       .single();
 
     if (!userError && existingUsers) {
       return NextResponse.json(
-        { error: 'NIM sudah terdaftar sebagai pengguna' },
+        { error: 'NIP sudah terdaftar sebagai pengguna' },
         { status: 400 }
       );
     }
@@ -53,14 +39,13 @@ export async function POST(request: Request) {
     // Hash password
     const hashedPassword = await bcrypt.hash(password, 10);
 
-    // Insert new user
+    // Insert new user with default role 'dosen'
     const { data: newUser, error: insertError } = await supabase
       .from('user_app')
       .insert({
-        nim: nim,
-        username: username,
+        nip: nip,
         password: hashedPassword,
-        role: 'mahasiswa'
+        role_user: 'dosen' // Default role for registration
       })
       .select()
       .single();

app/dashboard/layout.tsx

@@ -0,0 +1,9 @@
+import ClientLayout from '@/components/ClientLayout';
+
+export default function DashboardLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return <ClientLayout>{children}</ClientLayout>;
+} 

app/dashboard/page.tsx

@@ -0,0 +1,217 @@
+'use client';
+
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Users, GraduationCap, Trophy, BookOpen } from "lucide-react";
+import { useEffect, useState } from "react";
+import { useTheme } from "next-themes";
+import StatusMahasiswaChart from "@/components/StatusMahasiswaChart";
+import StatistikMahasiswaChart from "@/components/StatistikMahasiswaChart";
+import JenisPendaftaranChart from "@/components/JenisPendaftaranChart";
+import AsalDaerahChart from "@/components/AsalDaerahChart";
+import IPKChart from '@/components/IPKChart';
+
+interface MahasiswaTotal {
+  total_mahasiswa: number;
+  mahasiswa_aktif: number;
+  total_lulus: number;
+  pria_lulus: number;
+  wanita_lulus: number;
+  total_berprestasi: number;
+  prestasi_akademik: number;
+  prestasi_non_akademik: number;
+  ipk_rata_rata_aktif: number;
+  ipk_rata_rata_lulus: number;
+  total_mahasiswa_aktif_lulus: number;
+}
+
+// Skeleton loading component
+const CardSkeleton = () => (
+  <Card className="bg-white dark:bg-slate-900 shadow-lg">
+    <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+      <div className="h-4 w-24 bg-gray-200 dark:bg-gray-700 rounded animate-pulse"></div>
+      <div className="h-4 w-4 bg-gray-200 dark:bg-gray-700 rounded-full animate-pulse"></div>
+    </CardHeader>
+    <CardContent>
+      <div className="h-8 w-16 bg-gray-200 dark:bg-gray-700 rounded animate-pulse mb-2"></div>
+      <div className="flex justify-between">
+        <div className="h-3 w-20 bg-gray-200 dark:bg-gray-700 rounded animate-pulse"></div>
+        <div className="h-3 w-20 bg-gray-200 dark:bg-gray-700 rounded animate-pulse"></div>
+      </div>
+    </CardContent>
+  </Card>
+);
+
+export default function DashboardPage() {
+  const { theme } = useTheme();
+  const [mahasiswaData, setMahasiswaData] = useState<MahasiswaTotal>({
+    total_mahasiswa: 0,
+    mahasiswa_aktif: 0,
+    total_lulus: 0,
+    pria_lulus: 0,
+    wanita_lulus: 0,
+    total_berprestasi: 0,
+    prestasi_akademik: 0,
+    prestasi_non_akademik: 0,
+    ipk_rata_rata_aktif: 0,
+    ipk_rata_rata_lulus: 0,
+    total_mahasiswa_aktif_lulus: 0
+  });
+  
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    const fetchData = async () => {
+      try {
+        // Menggunakan cache API untuk mempercepat loading
+        const cacheKey = 'mahasiswa-total-data';
+        const cachedData = sessionStorage.getItem(cacheKey);
+        const cachedTimestamp = sessionStorage.getItem(`${cacheKey}-timestamp`);
+        
+        // Cek apakah data cache masih valid (kurang dari 60 detik)
+        const isCacheValid = cachedTimestamp && 
+          (Date.now() - parseInt(cachedTimestamp)) < 60000;
+        
+        if (cachedData && isCacheValid) {
+          setMahasiswaData(JSON.parse(cachedData));
+        }
+        
+        // Fetch data total mahasiswa
+        const totalResponse = await fetch('/api/mahasiswa/total', {
+          cache: 'no-store',
+        });
+        
+        if (!totalResponse.ok) {
+          throw new Error('Failed to fetch total data');
+        }
+        
+        const totalData = await totalResponse.json();
+        setMahasiswaData(totalData);
+        
+        // Menyimpan data dan timestamp ke sessionStorage
+        sessionStorage.setItem(cacheKey, JSON.stringify(totalData));
+        sessionStorage.setItem(`${cacheKey}-timestamp`, Date.now().toString());
+      } catch (err) {
+        setError(err instanceof Error ? err.message : 'An error occurred');
+        console.error('Error fetching data:', err);
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    fetchData();
+  }, []);
+
+  return (
+    <div className="container mx-auto p-4 space-y-6">
+      <h1 className="text-3xl font-bold mb-8">Dashboard Portal Data Informatika</h1>
+      
+      {loading ? (
+        <div className="grid gap-6 md:grid-cols-2 lg:grid-cols-4">
+          <CardSkeleton />
+          <CardSkeleton />
+          <CardSkeleton />
+          <CardSkeleton />
+        </div>
+      ) : error ? (
+        <div className="bg-red-50 border-l-4 border-red-500 p-4 mb-4">
+          <div className="flex">
+            <div className="flex-shrink-0">
+              <svg className="h-5 w-5 text-red-500" viewBox="0 0 20 20" fill="currentColor">
+                <path fillRule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clipRule="evenodd" />
+              </svg>
+            </div>
+            <div className="ml-3">
+              <p className="text-sm text-red-700">{error}</p>
+            </div>
+          </div>
+        </div>
+      ) : (
+        <>
+          <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-4 mb-8">
+            {/* Kartu Total Mahasiswa */}
+            <Card className="bg-white dark:bg-slate-900 shadow-lg">
+              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+                <CardTitle className="text-sm font-medium dark:text-white">
+                  Total Mahasiswa
+                </CardTitle>
+                <Users className="h-4 w-4 text-muted-foreground" />
+              </CardHeader>
+              <CardContent>
+                <div className="text-2xl font-bold dark:text-white">{mahasiswaData.total_mahasiswa}</div>
+                <div className="flex justify-between mt-2 text-xs text-muted-foreground">
+                  <span className="dark:text-white">Aktif: <span className="text-green-500">{mahasiswaData.mahasiswa_aktif}</span></span>
+                </div>
+              </CardContent>
+            </Card>
+
+            {/* Kartu Total Kelulusan */}
+            <Card className="bg-white dark:bg-slate-900 shadow-lg">
+              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+                <CardTitle className="text-sm font-medium dark:text-white">
+                  Total Kelulusan
+                </CardTitle>
+                <GraduationCap className="h-4 w-4 text-muted-foreground" />
+              </CardHeader>
+              <CardContent>
+                <div className="text-2xl font-bold dark:text-white">{mahasiswaData.total_lulus}</div>
+                <div className="flex justify-between mt-2 text-xs text-muted-foreground">
+                  <span className="dark:text-white">Laki-laki: <span className="text-blue-500">{mahasiswaData.pria_lulus}</span></span>
+                  <span className="dark:text-white">Perempuan: <span className="text-pink-500">{mahasiswaData.wanita_lulus}</span></span>
+                </div>
+              </CardContent>
+            </Card>
+
+            {/* Kartu Total Prestasi */}
+            <Card className="bg-white dark:bg-slate-900 shadow-lg">
+              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+                <CardTitle className="text-sm font-medium dark:text-white">
+                  Mahasiswa Berprestasi
+                </CardTitle>
+                <Trophy className="h-4 w-4 text-muted-foreground" />
+              </CardHeader>
+              <CardContent>
+                <div className="text-2xl font-bold dark:text-white">{mahasiswaData.total_berprestasi}</div>
+                <div className="flex justify-between mt-2 text-xs text-muted-foreground">
+                  <span className="dark:text-white">Akademik: <span className="text-yellow-500">{mahasiswaData.prestasi_akademik}</span></span>
+                  <span className="dark:text-white">Non-Akademik: <span className="text-purple-500">{mahasiswaData.prestasi_non_akademik}</span></span>
+                </div>
+              </CardContent>
+            </Card>
+
+            {/* Kartu Rata-rata IPK */}
+            <Card className="bg-white dark:bg-slate-900 shadow-lg">
+              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+                <CardTitle className="text-sm font-medium dark:text-white">
+                  Rata-rata IPK
+                </CardTitle>
+                <BookOpen className="h-4 w-4 text-muted-foreground" />
+              </CardHeader>
+              <CardContent>
+                <div className="text-2xl font-bold dark:text-white">{mahasiswaData.mahasiswa_aktif}</div>
+                <div className="flex justify-between mt-2 text-xs text-muted-foreground">
+                  <span className="dark:text-white">Aktif: <span className="text-green-500">{mahasiswaData.ipk_rata_rata_aktif}</span></span>
+                </div>
+              </CardContent>
+            </Card>
+          </div>
+
+          {/* Diagram Statistik Mahasiswa */}
+          <StatistikMahasiswaChart />
+
+          {/* Diagram Status Mahasiswa */}
+          <StatusMahasiswaChart />
+
+          {/* Diagram Jenis Pendaftaran */}
+          <JenisPendaftaranChart />
+
+          {/* Diagram Asal Daerah */}
+          <AsalDaerahChart />
+
+          {/* Diagram IPK */}
+          <IPKChart />
+        </>
+      )}
+    </div>
+  );
+} 

app/layout.tsx

@@ -1,7 +1,7 @@
 import type { Metadata } from 'next';
 import { Geist, Geist_Mono } from 'next/font/google';
 import './globals.css';
-import ClientLayout from '../components/ClientLayout';
+import { ThemeProvider } from '@/components/theme-provider';
 
 const geistSans = Geist({
   variable: '--font-geist-sans',
@@ -15,7 +15,7 @@ const geistMono = Geist_Mono({
 
 export const metadata: Metadata = {
   title: 'Portal Data Informatika',
-  description: 'Admin Dashboard',
+  description: 'Visualisasi Data Mahasiswa Jurusan Informatika',
 };
 
 export default function RootLayout({
@@ -29,7 +29,7 @@ export default function RootLayout({
         <link rel="icon" type="image/png" href="/podif-icon.png" />
       </head>
       <body suppressHydrationWarning className={`${geistSans.variable} ${geistMono.variable} antialiased min-h-screen`}>
-        <ClientLayout>{children}</ClientLayout>
+        {children}
       </body>
     </html>
   );

app/page.tsx

@@ -1,217 +1,374 @@
 'use client';
 
-import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
-import { Users, GraduationCap, Trophy, BookOpen } from "lucide-react";
-import { useEffect, useState } from "react";
-import { useTheme } from "next-themes";
-import StatusMahasiswaChart from "@/components/StatusMahasiswaChart";
-import StatistikMahasiswaChart from "@/components/StatistikMahasiswaChart";
-import JenisPendaftaranChart from "@/components/JenisPendaftaranChart";
-import AsalDaerahChart from "@/components/AsalDaerahChart";
-import IPKChart from '@/components/IPKChart';
+import { useState } from 'react';
+import { useRouter } from 'next/navigation';
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
+import { Alert, AlertDescription } from "@/components/ui/alert";
+import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle, DialogTrigger } from "@/components/ui/dialog";
+import { Loader2, Eye, EyeOff, LogIn, UserPlus } from "lucide-react";
+import { ThemeProvider } from '@/components/theme-provider';
+import { Toaster } from '@/components/ui/toaster';
 
-interface MahasiswaTotal {
-  total_mahasiswa: number;
-  mahasiswa_aktif: number;
-  total_lulus: number;
-  pria_lulus: number;
-  wanita_lulus: number;
-  total_berprestasi: number;
-  prestasi_akademik: number;
-  prestasi_non_akademik: number;
-  ipk_rata_rata_aktif: number;
-  ipk_rata_rata_lulus: number;
-  total_mahasiswa_aktif_lulus: number;
-}
-
-// Skeleton loading component
-const CardSkeleton = () => (
-  <Card className="bg-white dark:bg-slate-900 shadow-lg">
-    <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
-      <div className="h-4 w-24 bg-gray-200 dark:bg-gray-700 rounded animate-pulse"></div>
-      <div className="h-4 w-4 bg-gray-200 dark:bg-gray-700 rounded-full animate-pulse"></div>
-    </CardHeader>
-    <CardContent>
-      <div className="h-8 w-16 bg-gray-200 dark:bg-gray-700 rounded animate-pulse mb-2"></div>
-      <div className="flex justify-between">
-        <div className="h-3 w-20 bg-gray-200 dark:bg-gray-700 rounded animate-pulse"></div>
-        <div className="h-3 w-20 bg-gray-200 dark:bg-gray-700 rounded animate-pulse"></div>
-      </div>
-    </CardContent>
-  </Card>
-);
-
-export default function HomePage() {
-  const { theme } = useTheme();
-  const [mahasiswaData, setMahasiswaData] = useState<MahasiswaTotal>({
-    total_mahasiswa: 0,
-    mahasiswa_aktif: 0,
-    total_lulus: 0,
-    pria_lulus: 0,
-    wanita_lulus: 0,
-    total_berprestasi: 0,
-    prestasi_akademik: 0,
-    prestasi_non_akademik: 0,
-    ipk_rata_rata_aktif: 0,
-    ipk_rata_rata_lulus: 0,
-    total_mahasiswa_aktif_lulus: 0
+export default function LandingPage() {
+  const router = useRouter();
+  const [isLoginOpen, setIsLoginOpen] = useState(false);
+  const [isRegisterOpen, setIsRegisterOpen] = useState(false);
+  const [activeTab, setActiveTab] = useState('admin');
+  const [loading, setLoading] = useState(false);
+  const [showPassword, setShowPassword] = useState(false);
+  const [error, setError] = useState('');
+  
+  // Admin form state
+  const [adminForm, setAdminForm] = useState({
+    username: '',
+    password: ''
   });
   
-  const [loading, setLoading] = useState(true);
-  const [error, setError] = useState<string | null>(null);
+  // Dosen form state
+  const [dosenForm, setDosenForm] = useState({
+    nip: '',
+    password: ''
+  });
 
-  useEffect(() => {
-    const fetchData = async () => {
-      try {
-        // Menggunakan cache API untuk mempercepat loading
-        const cacheKey = 'mahasiswa-total-data';
-        const cachedData = sessionStorage.getItem(cacheKey);
-        const cachedTimestamp = sessionStorage.getItem(`${cacheKey}-timestamp`);
-        
-        // Cek apakah data cache masih valid (kurang dari 60 detik)
-        const isCacheValid = cachedTimestamp && 
-          (Date.now() - parseInt(cachedTimestamp)) < 60000;
-        
-        if (cachedData && isCacheValid) {
-          setMahasiswaData(JSON.parse(cachedData));
-        }
-        
-        // Fetch data total mahasiswa
-        const totalResponse = await fetch('/api/mahasiswa/total', {
-          cache: 'no-store',
-        });
-        
-        if (!totalResponse.ok) {
-          throw new Error('Failed to fetch total data');
-        }
-        
-        const totalData = await totalResponse.json();
-        setMahasiswaData(totalData);
-        
-        // Menyimpan data dan timestamp ke sessionStorage
-        sessionStorage.setItem(cacheKey, JSON.stringify(totalData));
-        sessionStorage.setItem(`${cacheKey}-timestamp`, Date.now().toString());
+  // Register form state
+  const [registerForm, setRegisterForm] = useState({
+    nip: '',
+    password: '',
+    confirmPassword: ''
+  });
+
+  const handleAdminLogin = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setLoading(true);
+    setError('');
+
+    try {
+      const response = await fetch('/api/auth/login', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          username: adminForm.username,
+          password: adminForm.password,
+          role: 'admin'
+        }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok) {
+        setIsLoginOpen(false);
+        router.push('/dashboard');
+      } else {
+        setError(data.error || 'Login gagal');
+      }
+    } catch (err) {
+      setError('Terjadi kesalahan saat login');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleDosenLogin = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setLoading(true);
+    setError('');
+
+    try {
+      const response = await fetch('/api/auth/login', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          nip: dosenForm.nip,
+          password: dosenForm.password,
+          role: 'dosen'
+        }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok) {
+        setIsLoginOpen(false);
+        router.push('/dashboard');
+      } else {
+        setError(data.error || 'Login gagal');
+      }
+    } catch (err) {
+      setError('Terjadi kesalahan saat login');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleRegister = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setLoading(true);
+    setError('');
+
+    if (registerForm.password !== registerForm.confirmPassword) {
+      setError('Password dan konfirmasi password tidak cocok');
+      setLoading(false);
+      return;
+    }
+
+    try {
+      const response = await fetch('/api/auth/register', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          nip: registerForm.nip,
+          password: registerForm.password
+        }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok) {
+        setIsRegisterOpen(false);
+        setIsLoginOpen(true);
+        setActiveTab('dosen');
+        setError('');
+      } else {
+        setError(data.error || 'Registrasi gagal');
+      }
       } catch (err) {
-        setError(err instanceof Error ? err.message : 'An error occurred');
-        console.error('Error fetching data:', err);
+      setError('Terjadi kesalahan saat registrasi');
       } finally {
         setLoading(false);
       }
     };
 
-    fetchData();
-  }, []);
-
   return (
-    <div className="container mx-auto p-4 space-y-6">
-      <h1 className="text-3xl font-bold mb-8">Dashboard Portal Data Informatika</h1>
-      
-      {loading ? (
-        <div className="grid gap-6 md:grid-cols-2 lg:grid-cols-4">
-          <CardSkeleton />
-          <CardSkeleton />
-          <CardSkeleton />
-          <CardSkeleton />
+    <ThemeProvider
+      attribute="class"
+      defaultTheme="system"
+      enableSystem
+      disableTransitionOnChange
+    >
+      <div className="min-h-screen bg-gradient-to-br from-blue-50 to-indigo-100 dark:from-gray-900 dark:to-gray-800">
+        <div className="container mx-auto px-4 py-16">
+          <div className="text-center mb-12">
+            <h1 className="text-4xl md:text-6xl font-bold text-gray-900 dark:text-white mb-4">
+              Portal Data Informatika
+            </h1>
+            <p className="text-xl text-gray-600 dark:text-gray-300 mb-8">
+              Visualisasi Data Akademik Mahasiswa Jurusan Informatika
+            </p>
+            <div className="flex flex-col sm:flex-row gap-4 justify-center">
+              <Dialog open={isLoginOpen} onOpenChange={setIsLoginOpen}>
+                <DialogTrigger asChild>
+                  <Button size="lg" className="flex items-center gap-2">
+                    <LogIn className="h-5 w-5" />
+                    Login
+                  </Button>
+                </DialogTrigger>
+                <DialogContent className="sm:max-w-md">
+                  <DialogHeader>
+                    <DialogTitle>Login Portal Data Informatika</DialogTitle>
+                    <DialogDescription>
+                      Silakan login sesuai dengan role Anda
+                    </DialogDescription>
+                  </DialogHeader>
+                  <Tabs value={activeTab} onValueChange={setActiveTab} className="w-full">
+                    <TabsList className="grid w-full grid-cols-2">
+                      <TabsTrigger value="admin">Admin</TabsTrigger>
+                      <TabsTrigger value="dosen">Dosen</TabsTrigger>
+                    </TabsList>
+                    
+                    <TabsContent value="admin" className="space-y-4">
+                      <form onSubmit={handleAdminLogin} className="space-y-4">
+                        <div className="space-y-2">
+                          <Label htmlFor="username">Username</Label>
+                          <Input
+                            id="username"
+                            type="text"
+                            placeholder="Masukkan username"
+                            value={adminForm.username}
+                            onChange={(e) => setAdminForm({ ...adminForm, username: e.target.value })}
+                            required
+                          />
+                        </div>
+                        <div className="space-y-2">
+                          <Label htmlFor="admin-password">Password</Label>
+                          <div className="relative">
+                            <Input
+                              id="admin-password"
+                              type={showPassword ? "text" : "password"}
+                              placeholder="Masukkan password"
+                              value={adminForm.password}
+                              onChange={(e) => setAdminForm({ ...adminForm, password: e.target.value })}
+                              required
+                            />
+                            <Button
+                              type="button"
+                              variant="ghost"
+                              size="sm"
+                              className="absolute right-0 top-0 h-full px-3 py-2 hover:bg-transparent"
+                              onClick={() => setShowPassword(!showPassword)}
+                            >
+                              {showPassword ? (
+                                <EyeOff className="h-4 w-4" />
+                              ) : (
+                                <Eye className="h-4 w-4" />
+                              )}
+                            </Button>
+                          </div>
+                        </div>
+                        <Button type="submit" className="w-full" disabled={loading}>
+                          {loading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
+                          Login sebagai Admin
+                        </Button>
+                      </form>
+                    </TabsContent>
+                    
+                    <TabsContent value="dosen" className="space-y-4">
+                      <form onSubmit={handleDosenLogin} className="space-y-4">
+                        <div className="space-y-2">
+                          <Label htmlFor="nip">NIP</Label>
+                          <Input
+                            id="nip"
+                            type="text"
+                            placeholder="Masukkan NIP"
+                            value={dosenForm.nip}
+                            onChange={(e) => setDosenForm({ ...dosenForm, nip: e.target.value })}
+                            required
+                          />
+                        </div>
+                        <div className="space-y-2">
+                          <Label htmlFor="dosen-password">Password</Label>
+                          <div className="relative">
+                            <Input
+                              id="dosen-password"
+                              type={showPassword ? "text" : "password"}
+                              placeholder="Masukkan password"
+                              value={dosenForm.password}
+                              onChange={(e) => setDosenForm({ ...dosenForm, password: e.target.value })}
+                              required
+                            />
+                            <Button
+                              type="button"
+                              variant="ghost"
+                              size="sm"
+                              className="absolute right-0 top-0 h-full px-3 py-2 hover:bg-transparent"
+                              onClick={() => setShowPassword(!showPassword)}
+                            >
+                              {showPassword ? (
+                                <EyeOff className="h-4 w-4" />
+                              ) : (
+                                <Eye className="h-4 w-4" />
+                              )}
+                            </Button>
+                          </div>
+                        </div>
+                        <Button type="submit" className="w-full" disabled={loading}>
+                          {loading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
+                          Login sebagai Dosen
+                        </Button>
+                      </form>
+                    </TabsContent>
+                  </Tabs>
+                  
+                  {error && (
+                    <Alert className="mt-4">
+                      <AlertDescription className="text-red-600">
+                        {error}
+                      </AlertDescription>
+                    </Alert>
+                  )}
+                </DialogContent>
+              </Dialog>
+
+              <Dialog open={isRegisterOpen} onOpenChange={setIsRegisterOpen}>
+                <DialogTrigger asChild>
+                  <Button variant="outline" size="lg" className="flex items-center gap-2">
+                    <UserPlus className="h-5 w-5" />
+                    Register
+                  </Button>
+                </DialogTrigger>
+                <DialogContent className="sm:max-w-md">
+                  <DialogHeader>
+                    <DialogTitle>Registrasi Dosen</DialogTitle>
+                    <DialogDescription>
+                      Daftar akun baru untuk dosen Portal Data Informatika
+                    </DialogDescription>
+                  </DialogHeader>
+                  <form onSubmit={handleRegister} className="space-y-4">
+                    <div className="space-y-2">
+                      <Label htmlFor="register-nip">NIP</Label>
+                      <Input
+                        id="register-nip"
+                        type="text"
+                        placeholder="Masukkan NIP"
+                        value={registerForm.nip}
+                        onChange={(e) => setRegisterForm({ ...registerForm, nip: e.target.value })}
+                        required
+                      />
+                    </div>
+                    <div className="space-y-2">
+                      <Label htmlFor="register-password">Password</Label>
+                      <div className="relative">
+                        <Input
+                          id="register-password"
+                          type={showPassword ? "text" : "password"}
+                          placeholder="Masukkan password (min. 6 karakter)"
+                          value={registerForm.password}
+                          onChange={(e) => setRegisterForm({ ...registerForm, password: e.target.value })}
+                          required
+                        />
+                        <Button
+                          type="button"
+                          variant="ghost"
+                          size="sm"
+                          className="absolute right-0 top-0 h-full px-3 py-2 hover:bg-transparent"
+                          onClick={() => setShowPassword(!showPassword)}
+                        >
+                          {showPassword ? (
+                            <EyeOff className="h-4 w-4" />
+                          ) : (
+                            <Eye className="h-4 w-4" />
+                          )}
+                        </Button>
+                      </div>
         </div>
-      ) : error ? (
-        <div className="bg-red-50 border-l-4 border-red-500 p-4 mb-4">
-          <div className="flex">
-            <div className="flex-shrink-0">
-              <svg className="h-5 w-5 text-red-500" viewBox="0 0 20 20" fill="currentColor">
-                <path fillRule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clipRule="evenodd" />
-              </svg>
+                    <div className="space-y-2">
+                      <Label htmlFor="confirm-password">Konfirmasi Password</Label>
+                      <Input
+                        id="confirm-password"
+                        type="password"
+                        placeholder="Konfirmasi password"
+                        value={registerForm.confirmPassword}
+                        onChange={(e) => setRegisterForm({ ...registerForm, confirmPassword: e.target.value })}
+                        required
+                      />
             </div>
-            <div className="ml-3">
-              <p className="text-sm text-red-700">{error}</p>
+                    <Button type="submit" className="w-full" disabled={loading}>
+                      {loading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
+                      Daftar sebagai Dosen
+                    </Button>
+                  </form>
+                  
+                  {error && (
+                    <Alert className="mt-4">
+                      <AlertDescription className="text-red-600">
+                        {error}
+                      </AlertDescription>
+                    </Alert>
+                  )}
+                </DialogContent>
+              </Dialog>
             </div>
           </div>
         </div>
-      ) : (
-        <>
-          <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-4 mb-8">
-            {/* Kartu Total Mahasiswa */}
-            <Card className="bg-white dark:bg-slate-900 shadow-lg">
-              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
-                <CardTitle className="text-sm font-medium dark:text-white">
-                  Total Mahasiswa
-                </CardTitle>
-                <Users className="h-4 w-4 text-muted-foreground" />
-              </CardHeader>
-              <CardContent>
-                <div className="text-2xl font-bold dark:text-white">{mahasiswaData.total_mahasiswa}</div>
-                <div className="flex justify-between mt-2 text-xs text-muted-foreground">
-                  <span className="dark:text-white">Aktif: <span className="text-green-500">{mahasiswaData.mahasiswa_aktif}</span></span>
                 </div>
-              </CardContent>
-            </Card>
-
-            {/* Kartu Total Kelulusan */}
-            <Card className="bg-white dark:bg-slate-900 shadow-lg">
-              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
-                <CardTitle className="text-sm font-medium dark:text-white">
-                  Total Kelulusan
-                </CardTitle>
-                <GraduationCap className="h-4 w-4 text-muted-foreground" />
-              </CardHeader>
-              <CardContent>
-                <div className="text-2xl font-bold dark:text-white">{mahasiswaData.total_lulus}</div>
-                <div className="flex justify-between mt-2 text-xs text-muted-foreground">
-                  <span className="dark:text-white">Laki-laki: <span className="text-blue-500">{mahasiswaData.pria_lulus}</span></span>
-                  <span className="dark:text-white">Perempuan: <span className="text-pink-500">{mahasiswaData.wanita_lulus}</span></span>
-                </div>
-              </CardContent>
-            </Card>
-
-            {/* Kartu Total Prestasi */}
-            <Card className="bg-white dark:bg-slate-900 shadow-lg">
-              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
-                <CardTitle className="text-sm font-medium dark:text-white">
-                  Mahasiswa Berprestasi
-                </CardTitle>
-                <Trophy className="h-4 w-4 text-muted-foreground" />
-              </CardHeader>
-              <CardContent>
-                <div className="text-2xl font-bold dark:text-white">{mahasiswaData.total_berprestasi}</div>
-                <div className="flex justify-between mt-2 text-xs text-muted-foreground">
-                  <span className="dark:text-white">Akademik: <span className="text-yellow-500">{mahasiswaData.prestasi_akademik}</span></span>
-                  <span className="dark:text-white">Non-Akademik: <span className="text-purple-500">{mahasiswaData.prestasi_non_akademik}</span></span>
-                </div>
-              </CardContent>
-            </Card>
-
-            {/* Kartu Rata-rata IPK */}
-            <Card className="bg-white dark:bg-slate-900 shadow-lg">
-              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
-                <CardTitle className="text-sm font-medium dark:text-white">
-                  Rata-rata IPK
-                </CardTitle>
-                <BookOpen className="h-4 w-4 text-muted-foreground" />
-              </CardHeader>
-              <CardContent>
-                <div className="text-2xl font-bold dark:text-white">{mahasiswaData.mahasiswa_aktif}</div>
-                <div className="flex justify-between mt-2 text-xs text-muted-foreground">
-                  <span className="dark:text-white">Aktif: <span className="text-green-500">{mahasiswaData.ipk_rata_rata_aktif}</span></span>
-                </div>
-              </CardContent>
-            </Card>
-          </div>
-
-          {/* Diagram Statistik Mahasiswa */}
-          <StatistikMahasiswaChart />
-
-          {/* Diagram Status Mahasiswa */}
-          <StatusMahasiswaChart />
-
-          {/* Diagram Jenis Pendaftaran */}
-          <JenisPendaftaranChart />
-
-          {/* Diagram Asal Daerah */}
-          <AsalDaerahChart />
-
-          {/* Diagram IPK */}
-          <IPKChart />
-        </>
-      )}
-    </div>
+      <Toaster />
+    </ThemeProvider>
   );
 }