.

backend/cmd/main.go

@@ -14,12 +14,12 @@ func main() {
 	// 1. Konek Database
 	config.ConnectDatabase()
 
-	// 2. AutoMigrate (Tambahkan ClassSchedule di sini agar dikenali GORM)
+	// 2. AutoMigrate
 	config.DB.AutoMigrate(&models.User{}, &models.Room{}, &models.Booking{}, &models.ClassSchedule{})
 
 	r := gin.Default()
 
-	// 3. CORS Middleware (Agar Frontend bisa masuk)
+	// 3. CORS Middleware (Panggil fungsinya di sini)
 	r.Use(CORSMiddleware())
 
 	r.GET("/", func(c *gin.Context) {
@@ -58,35 +58,34 @@ func main() {
 		// Admin (Manage Rooms)
 		protected.PUT("/admin/rooms/:id/status", controllers.UpdateRoomStatus)
 
-		// 🌟 RUTE BARU: Jadwal Kuliah (Untuk Halaman Web Admin)
+		// Jadwal Kuliah (Untuk Halaman Web Admin)
 		protected.GET("/schedules", controllers.GetSchedules)
+		protected.POST("/schedules", controllers.CreateSchedule)
+		protected.PUT("/schedules/:id", controllers.UpdateSchedule)
+		protected.DELETE("/schedules/:id", controllers.DeleteSchedule)
 	}
-	// 5. Jalur IoT ESP32
+
+	// 5. Jalur IoT ESP32 & Kontrol Daya
 	r.POST("/api/sensor/energy", controllers.UpdateRoomPower)
-
-	// RUTE BARU: Untuk menerima ketukan pintu dari Hardware ESP32
 	r.POST("/api/hardware/verify", controllers.VerifyHardwareCode)
-
-	// PASTIKAN BARIS INI ADA DI SINI:
 	r.POST("/api/hardware/control", controllers.ControlHardware)
-
 	r.GET("/api/hardware/status", controllers.GetHardwareStatus)
-
 	r.GET("/api/hardware/power-status", controllers.GetPowerStatus)
-
 	r.POST("/api/power/global", controllers.GlobalPowerControl)
 
 	r.Run(":8080")
 }
 
-// ... (fungsi CORSMiddleware tetap sama) ...
-
+// =========================================================================
+// FUNGSI MIDDLEWARE HARUS DITULIS DI LUAR FUNGSI MAIN
+// =========================================================================
 func CORSMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
 		c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
 		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
-		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, PATCH")
+		// Pastikan DELETE sudah masuk di sini
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, PATCH, DELETE")
 
 		if c.Request.Method == "OPTIONS" {
 			c.AbortWithStatus(204)

backend/controllers/bookingcontroller.go

@@ -45,7 +45,7 @@ func CreateBooking(c *gin.Context) {
 		return
 	}
 
-	// 🌟 PERBAIKAN 1: Ambil Role User dari Token
+	// 🌟 Ambil Role User dari Token
 	userRoleInterface, _ := c.Get("role")
 	userRole, _ := userRoleInterface.(string)
 
@@ -55,6 +55,21 @@ func CreateBooking(c *gin.Context) {
 		return
 	}
 
+	// =========================================================
+	// 🌟 PERBAIKAN: PROTEKSI STATUS MAINTENANCE RUANGAN
+	// =========================================================
+	var targetRoom models.Room
+	if err := config.DB.First(&targetRoom, input.RoomID).Error; err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Ruangan tidak ditemukan di database"})
+		return
+	}
+
+	if targetRoom.Status == "Maintenance" {
+		c.JSON(http.StatusForbidden, gin.H{"error": "Akses Ditolak: Ruangan ini sedang dalam perawatan teknis dan tidak dapat dipesan saat ini."})
+		return
+	}
+	// =========================================================
+
 	// Overlap Check (Mencegah bentrok jadwal)
 	var count int64
 	config.DB.Model(&models.Booking{}).Where(
@@ -67,7 +82,7 @@ func CreateBooking(c *gin.Context) {
 		return
 	}
 
-	// 🌟 PERBAIKAN 1 Lanjutan: Penentuan Status Otomatis
+	// Penentuan Status Otomatis
 	statusPeminjaman := "Pending" // Default untuk student
 	if userRole == "lecturer" {
 		statusPeminjaman = "Approved" // Dosen otomatis disetujui!
@@ -80,7 +95,7 @@ func CreateBooking(c *gin.Context) {
 		StartTime: input.StartTime,
 		EndTime:   input.EndTime,
 		Purpose:   input.Purpose,
-		Status:    statusPeminjaman, // <-- Gunakan variabel statusPeminjaman
+		Status:    statusPeminjaman,
 	}
 
 	if err := config.DB.Create(&booking).Error; err != nil {
@@ -95,7 +110,7 @@ func CreateBooking(c *gin.Context) {
 	})
 }
 
-// 🌟 PERBAIKAN 3: Fungsi khusus untuk mengambil riwayat pribadi
+// Fungsi khusus untuk mengambil riwayat pribadi
 func GetMyBookings(c *gin.Context) {
 	var bookings []models.Booking
 
@@ -150,7 +165,6 @@ func UpdateBookingStatus(c *gin.Context) {
 
 	booking.Status = input.Status
 
-	// 🌟 PERBAIKAN 2: Menghapus blok Save dan JSON ganda yang bikin error
 	if err := config.DB.Save(&booking).Error; err != nil {
 		fmt.Println("🔥 ERROR DARI DATABASE:", err.Error())
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})

backend/controllers/hardwarecontroller.go

@@ -42,7 +42,7 @@ var DeviceStatusCache = map[string]string{
 }
 
 // =========================================================================
-// FUNGSI 1: VERIFIKASI TOKEN & KODE MATA KULIAH (ON-DEMAND)
+// FUNGSI 1: VERIFIKASI TOKEN & KODE MATA KULIAH (DOUBLE-LAYER PROTECTION)
 // =========================================================================
 func VerifyHardwareCode(c *gin.Context) {
 	var req VerifyRequest
@@ -63,11 +63,11 @@ func VerifyHardwareCode(c *gin.Context) {
 	// =========================================================
 	if tokenInput == "CS2026" {
 		fmt.Printf("[VERIFY] Master Token CS digunakan\n")
-		sisaMenit = 120
+		sisaMenit = 60
 		isTokenValid = true
 	} else if tokenInput == "ADM999" {
 		fmt.Printf("[VERIFY] Master Token Admin digunakan\n")
-		sisaMenit = 720 // 24 Jam
+		sisaMenit = 1440 // 12 jam
 		isTokenValid = true
 	} else {
 		// =========================================================
@@ -77,15 +77,14 @@ func VerifyHardwareCode(c *gin.Context) {
 		errBooking := config.DB.First(&booking, "redeem_code = ? AND status = 'Approved'", tokenInput).Error
 
 		if errBooking == nil {
-			// Cek apakah hari ini (tanggal) sama dengan hari booking
 			if booking.StartTime.Format("2006-01-02") != sekarang.Format("2006-01-02") {
-				c.JSON(http.StatusForbidden, gin.H{"error": "Peminjaman bukan untuk hari ini"})
+				c.JSON(http.StatusForbidden, gin.H{"error": "Peminjaman bukan untuk hari ini!"})
 				return
 			}
 
 			toleransiMasuk := booking.StartTime.Add(-15 * time.Minute)
 			if sekarang.Before(toleransiMasuk) {
-				c.JSON(http.StatusForbidden, gin.H{"error": "Belum waktunya. Bisa masuk 15 mnt sblm jam peminjaman!"})
+				c.JSON(http.StatusForbidden, gin.H{"error": "Belum waktunya. Bisa masuk 15 menit sebelum kelas!"})
 				return
 			}
 			if sekarang.After(booking.EndTime) {
@@ -101,40 +100,74 @@ func VerifyHardwareCode(c *gin.Context) {
 
 		} else {
 			// =========================================================
-			// 3. CEK KODE MATA KULIAH (ON-DEMAND FLEKSIBEL)
+			// 3. CEK KODE MATA KULIAH DENGAN DOUBLE-LAYER PROTECTION
 			// =========================================================
-			var schedule models.ClassSchedule
-			// Abaikan hari dan jam, cukup cek apakah kode matkul eksis di database
-			errSchedule := config.DB.First(&schedule, "kode_mk = ?", tokenInput).Error
+			var reqSchedule models.ClassSchedule
+			// Cari apakah Kode MK yang diketik eksis di database (contoh: "EE153")
+			errSchedule := config.DB.First(&reqSchedule, "kode_mk = ?", tokenInput).Error
 
 			if errSchedule == nil {
-				// KODE MATKUL EKSIS.
-				// CEK BENTROK: Apakah ada orang yang SEDANG booking via web sekarang?
+				// PROTEKSI LAPIS 1: Cek apakah ada yang sedang Booking via Web sekarang
 				var countBookingAktif int64
 				config.DB.Model(&models.Booking{}).Where(
 					"room_id = ? AND status = 'Approved' AND start_time <= ? AND end_time >= ?",
-					schedule.RoomID, sekarang, sekarang,
+					reqSchedule.RoomID, sekarang, sekarang,
 				).Count(&countBookingAktif)
 
 				if countBookingAktif > 0 {
-					c.JSON(http.StatusConflict, gin.H{"error": "Ruangan sedang dipakai peminjam resmi (Web)!"})
+					c.JSON(http.StatusConflict, gin.H{"error": "Akses Ditolak: Ruangan sedang dipakai peminjam resmi (Web)!"})
 					return
 				}
 
-				// Jika aman (tidak ada yang booking), berikan akses 120 Menit!
-				sisaMenit = 120
+				// PROTEKSI LAPIS 2: Cek apakah ada JADWAL KELAS LAIN yang sedang berjalan di jam ini
+				// Ambil nama hari ini dalam Bahasa Indonesia
+				hariMap := map[time.Weekday]string{
+					time.Sunday: "Minggu", time.Monday: "Senin", time.Tuesday: "Selasa",
+					time.Wednesday: "Rabu", time.Thursday: "Kamis", time.Friday: "Jumat", time.Saturday: "Sabtu",
+				}
+				hariIni := hariMap[sekarang.Weekday()]
+				jamSekarang := sekarang.Format("15:04:05")
+
+				var activeClass models.ClassSchedule
+				errActive := config.DB.Where(
+					"room_id = ? AND hari = ? AND jam_mulai <= ? AND jam_selesai >= ?",
+					reqSchedule.RoomID, hariIni, jamSekarang, jamSekarang,
+				).First(&activeClass).Error
+
+				if errActive == nil {
+					// Ada kelas yang sedang berlangsung saat ini.
+					// Cek apakah kelas tersebut BERBEDA dengan Kode MK yang diinputkan pengguna
+					// 🌟 PERBAIKAN: Ubah KodeMk menjadi KodeMK (K huruf besar)
+					if activeClass.KodeMK != reqSchedule.KodeMK {
+						c.JSON(http.StatusConflict, gin.H{
+							// 🌟 PERBAIKAN: Ubah NamaMk menjadi NamaMK (K huruf besar)
+							"error": "Akses Ditolak: Ruangan sedang digunakan oleh jadwal kelas " + activeClass.NamaMK,
+						})
+						return
+					}
+					// Jika kodenya SAMA (Dosen menginputkan kodenya di jam yang memang miliknya), abaikan & beri izin masuk.
+				}
+
+				// JIKA LOLOS SEMUA PROTEKSI: Berikan akses waktu berdasarkan jumlah SKS
+				// 🌟 PERBAIKAN: Pastikan ini sesuai dengan struct di models (JumlahSks atau JumlahSKS)
+				durasiMenit := reqSchedule.JumlahSks * 50
+				if durasiMenit <= 0 {
+					durasiMenit = 100 // Nilai aman (default 2 SKS) jika database kosong
+				}
+
+				sisaMenit = durasiMenit
 				isTokenValid = true
 			}
 		}
 
 		if !isTokenValid {
-			c.JSON(http.StatusUnauthorized, gin.H{"error": "Token atau Kode MK tidak ditemukan / salah!"})
+			c.JSON(http.StatusUnauthorized, gin.H{"error": "Token Web atau Kode MK tidak ditemukan!"})
 			return
 		}
 	}
 
 	// =========================================================
-	// 4. JIKA VALID (Master / Matkul / Web), BUKA GEMBOK VIA MQTT
+	// 4. JIKA VALID, BUKA GEMBOK VIA MQTT & HTTP LOKAL
 	// =========================================================
 	DeviceStatusCache["lampu1"] = "on"
 	DeviceStatusCache["lampu2"] = "on"
@@ -152,6 +185,7 @@ func VerifyHardwareCode(c *gin.Context) {
 	client := mqtt.NewClient(opts)
 	if tokenMQTT := client.Connect(); tokenMQTT.Wait() && tokenMQTT.Error() == nil {
 		client.Publish("sclass/d101/auth", 0, true, "UNLOCK").Wait()
+		// Opsional: Jika masih mengandalkan MQTT untuk lampu
 		client.Publish("sclass/d101/lampu1", 0, false, "on").Wait()
 		client.Publish("sclass/d101/lampu2", 0, false, "on").Wait()
 		client.Disconnect(250)
@@ -360,14 +394,10 @@ func GlobalPowerControl(c *gin.Context) {
     }
     apiURL := fmt.Sprintf("%s/api/services/switch/%s", haURL, service)
 
-	mcbs := []string{
-		"switch.wifi_smart_meter_pro_switch",   // Umum
-		"switch.wifi_smart_meter_pro_2_switch", // AC1
-		"switch.wifi_smart_meter_pro_3_switch", // AC2
-	}
+    // 🌟 PERBAIKAN: Hapus array dan loop, cukup gunakan 1 target saja
+    targetSwitch := "switch.wifi_smart_meter_pro_switch"
 
-	for i, mcb := range mcbs {
-		payload := map[string]string{"entity_id": mcb}
+    payload := map[string]string{"entity_id": targetSwitch}
     jsonPayload, _ := json.Marshal(payload)
 
     reqHA, err := http.NewRequest("POST", apiURL, bytes.NewBuffer(jsonPayload))
@@ -382,13 +412,9 @@ func GlobalPowerControl(c *gin.Context) {
         }
     }
 
-		fmt.Printf("[MCB] Sinyal %s dikirim ke %s\n", req.Action, mcb)
-
-		if i < len(mcbs)-1 {
-			time.Sleep(1 * time.Second)
-		}
-	}
+    fmt.Printf("[MCB] Sinyal %s dikirim ke %s\n", req.Action, targetSwitch)
 
+    // Mematikan status virtual di dashboard
     if req.Action == "off" {
         DeviceStatusCache["lampu1"] = "off"
         DeviceStatusCache["lampu2"] = "off"
@@ -398,7 +424,7 @@ func GlobalPowerControl(c *gin.Context) {
 
     c.JSON(http.StatusOK, gin.H{
         "status":  "success",
-		"message": fmt.Sprintf("Seluruh daya ruangan berhasil di-%s secara berurutan", req.Action),
+        "message": fmt.Sprintf("Daya utama berhasil di-%s", req.Action),
     })
 }
 

backend/controllers/schedulecontroller.go

@@ -2,15 +2,26 @@ package controllers
 
 import (
 	"net/http"
-
-	"github.com/gin-gonic/gin"
-	
-	// UBAH DUA BARIS INI MENJADI s-class-backend
 	"s-class-backend/config"
 	"s-class-backend/models"
+
+	"github.com/gin-gonic/gin"
 )
 
-// Fungsi untuk mengambil semua jadwal dari database
+// Struktur data untuk menerima input dari Frontend (Form Modal)
+type ScheduleInput struct {
+	KodeMK     string `json:"kode_mk" binding:"required"`
+	NamaMK     string `json:"nama_mk" binding:"required"`
+	RoomID     int    `json:"room_id" binding:"required"` // 🌟 PERBAIKAN: Ubah uint menjadi int
+	Hari       string `json:"hari" binding:"required"`
+	JamMulai   string `json:"jam_mulai" binding:"required"`
+	JamSelesai string `json:"jam_selesai" binding:"required"`
+	JumlahSks  int    `json:"jumlah_sks" binding:"required"` 
+}
+
+// =========================================================
+// 1. GET SCHEDULES (Menampilkan Data ke Tabel/Kalender)
+// =========================================================
 func GetSchedules(c *gin.Context) {
 	var schedules []models.ClassSchedule
 
@@ -20,8 +31,100 @@ func GetSchedules(c *gin.Context) {
 		return
 	}
 
-	// Kirim data ke frontend (React)
 	c.JSON(http.StatusOK, gin.H{
 		"data": schedules,
 	})
 }
+
+// =========================================================
+// 2. CREATE SCHEDULE (Menambah Jadwal Baru)
+// =========================================================
+func CreateSchedule(c *gin.Context) {
+	var input ScheduleInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Format data tidak valid: " + err.Error()})
+		return
+	}
+
+	newSchedule := models.ClassSchedule{
+		KodeMK:     input.KodeMK,
+		NamaMK:     input.NamaMK,
+		RoomID:     input.RoomID,
+		Hari:       input.Hari,
+		JamMulai:   input.JamMulai,
+		JamSelesai: input.JamSelesai,
+		JumlahSks:  input.JumlahSks,
+	}
+
+	if err := config.DB.Create(&newSchedule).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Gagal menyimpan jadwal baru ke database"})
+		return
+	}
+
+	c.JSON(http.StatusCreated, gin.H{
+		"message": "Jadwal berhasil ditambahkan",
+		"data":    newSchedule,
+	})
+}
+
+// =========================================================
+// 3. UPDATE SCHEDULE (Mengedit Jadwal Saat UTS/Berubah)
+// =========================================================
+func UpdateSchedule(c *gin.Context) {
+	scheduleID := c.Param("id")
+
+	var input ScheduleInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Format data tidak valid"})
+		return
+	}
+
+	var schedule models.ClassSchedule
+	// Cari jadwal lama di database berdasarkan ID
+	if err := config.DB.First(&schedule, scheduleID).Error; err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Jadwal tidak ditemukan"})
+		return
+	}
+
+	// Timpa data lama dengan inputan baru dari Admin
+	schedule.KodeMK = input.KodeMK
+	schedule.NamaMK = input.NamaMK
+	schedule.RoomID = input.RoomID
+	schedule.Hari = input.Hari
+	schedule.JamMulai = input.JamMulai
+	schedule.JamSelesai = input.JamSelesai
+	schedule.JumlahSks = input.JumlahSks
+
+	// Simpan perubahan ke database
+	if err := config.DB.Save(&schedule).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Gagal memperbarui jadwal"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"message": "Jadwal berhasil diperbarui",
+		"data":    schedule,
+	})
+}
+
+// =========================================================
+// 4. DELETE SCHEDULE (Menghapus Jadwal)
+// =========================================================
+func DeleteSchedule(c *gin.Context) {
+	scheduleID := c.Param("id")
+
+	var schedule models.ClassSchedule
+	// Pastikan data yang mau dihapus itu memang ada
+	if err := config.DB.First(&schedule, scheduleID).Error; err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Jadwal tidak ditemukan"})
+		return
+	}
+
+	// Hapus secara permanen dari database
+	if err := config.DB.Delete(&schedule).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Gagal menghapus jadwal"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "Jadwal berhasil dihapus"})
+}

backend/models/entity.go

@@ -60,4 +60,5 @@ type ClassSchedule struct {
 	Hari       string `gorm:"type:varchar(20);not null;column:hari" json:"hari"`
 	JamMulai   string `gorm:"type:time;not null;column:jam_mulai" json:"jam_mulai"`
 	JamSelesai string `gorm:"type:time;not null;column:jam_selesai" json:"jam_selesai"`
+	JumlahSks  int    `gorm:"column:jumlah_sks" json:"jumlah_sks"`
 }

frontend/app/admin/layout.tsx

@@ -123,7 +123,7 @@ export default function AdminLayout({ children }: { children: React.ReactNode })
               <div className={`p-2 rounded-lg transition-colors ${pathname === '/admin/schedules' ? 'bg-white/60 shadow-sm' : 'bg-white/30 group-hover:bg-white/50'}`}>
                 <CalendarDays size={22} />
               </div>
-              <span>Jadwal Kuliah</span>
+              <span>Edit Jadwal</span>
             </Link>
 
           </nav>

frontend/app/admin/monitoring/page.tsx

@@ -115,13 +115,11 @@ export default function PowerMonitoringPage() {
       if (!window.confirm(confirmMsg)) return; 
     }
 
-    // Jika yang ditekan bukan D101, ubah UI saja (simulasi)
     if (roomName !== "Kelas D101") {
       setRoomDeviceStatus(prev => ({ ...prev, [roomIdKey]: { ...prev[roomIdKey], [deviceName]: !currentStatus } }));
       return;
     }
 
-    // Logika khusus D101 (Tembak ke Golang)
     let backendDevice = "";
     if (deviceName === 'AC') backendDevice = "ac";
     else if (deviceName === 'Proyektor') backendDevice = "projector";
@@ -147,17 +145,15 @@ export default function PowerMonitoringPage() {
     }
   };
 
-  // FUNGSI GLOBAL POWER (ON/OFF KHUSUS D101)
   const handleGlobalPower = async (roomName: string, roomId: number, currentRelayStatus: boolean) => {
     if (roomName === "Kelas D101") {
       const actionType = currentRelayStatus ? "off" : "on";
       const confirmMessage = currentRelayStatus 
-        ? `PERINGATAN FATAL: Anda yakin ingin MEMUTUS 3 MCB Daya di ${roomName}? (Proses berurutan ~3 detik)`
-        : `RESTORE POWER: Anda yakin ingin MENYALAKAN KEMBALI 3 MCB Daya di ${roomName}? (Proses berurutan ~3 detik)`;
+        ? `PERINGATAN FATAL: Anda yakin ingin MEMUTUS MCB Daya Utama di ${roomName}?`
+        : `RESTORE POWER: Anda yakin ingin MENYALAKAN KEMBALI MCB Daya di ${roomName}?`;
 
       if (!window.confirm(confirmMessage)) return;
       
-      // Ubah UI seketika
       setRooms(prev => prev.map(r => r.name === roomName ? { ...r, isRelayOn: !currentRelayStatus } : r));
 
       try {
@@ -172,7 +168,6 @@ export default function PowerMonitoringPage() {
           fetchPowerStatus();
           fetchDeviceStatus();
         } else {
-          // Rollback UI jika gagal
           setRooms(prev => prev.map(r => r.name === roomName ? { ...r, isRelayOn: currentRelayStatus } : r));
           alert("Gagal mengontrol MCB utama. Cek koneksi server.");
         }
@@ -181,7 +176,6 @@ export default function PowerMonitoringPage() {
         alert("Terjadi kesalahan jaringan saat menghubungi server.");
       }
     } else {
-      // Dummy untuk kelas lain
       const actionType = currentRelayStatus ? "Mematikan" : "Menyalakan";
       if (window.confirm(`Simulasi ${actionType} daya di ${roomName}?`)) {
         setRooms(prev => prev.map(r => r.name === roomName ? { ...r, isRelayOn: !currentRelayStatus, power: 0 } : r));

frontend/app/admin/page.tsx

@@ -9,13 +9,46 @@ export default function AdminDashboard() {
   const [roomStats, setRoomStats] = useState<any[]>([]);
   const [loading, setLoading] = useState(true);
 
+  // STATE BARU: Khusus menyimpan TOTAL DAYA D101
+  const [d101TotalPower, setD101TotalPower] = useState<number>(0);
+
   useEffect(() => {
     fetchAdminData();
-    // Refresh data konsumsi daya setiap 10 detik agar terlihat real-time
-    const interval = setInterval(fetchAdminData, 10000);
-    return () => clearInterval(interval);
+    fetchD101Power(); // Panggil fungsi daya saat pertama kali render
+
+    // Refresh data admin (ruangan & booking) setiap 10 detik
+    const intervalAdmin = setInterval(fetchAdminData, 10000);
+    // Refresh data konsumsi daya D101 setiap 3 detik (mengikuti halaman monitoring)
+    const intervalPower = setInterval(fetchD101Power, 3000); 
+
+    return () => {
+      clearInterval(intervalAdmin);
+      clearInterval(intervalPower);
+    };
   }, []);
 
+  // =========================================================================
+  // FUNGSI BARU: Tarik Data Daya (Power / Watt) KHUSUS D101
+  // =========================================================================
+  const fetchD101Power = async () => {
+    try {
+      const response = await fetch("http://172.17.172.17:8080/api/hardware/power-status");
+      if (response.ok) {
+        const data = await response.json();
+        
+        // Kalkulasi total watt
+        const umum = parseFloat(data.umum) || 0;
+        const ac1 = parseFloat(data.ac1) || 0;
+        const ac2 = parseFloat(data.ac2) || 0;
+        const totalD101 = umum + ac1 + ac2;
+
+        setD101TotalPower(totalD101);
+      }
+    } catch (err) {
+      console.error("Gagal mengambil data daya D101:", err);
+    }
+  };
+
   const fetchAdminData = async () => {
     try {
       const token = localStorage.getItem("token");
@@ -37,7 +70,7 @@ export default function AdminDashboard() {
       
       const roomsWithDummyPower = (roomRes.data.data || []).map((room: any) => ({
         ...room,
-        // Simulasi daya acak antara 0 sampai 15 Watt untuk keperluan UI
+        // Simulasi daya acak antara 0 sampai 15 Watt (D101 akan di-override di bagian render)
         power_consumption: Math.floor(Math.random() * 15) 
       }));
       setRoomStats(roomsWithDummyPower);
@@ -49,7 +82,6 @@ export default function AdminDashboard() {
     }
   };
 
-  // PERBAIKAN 1: Ubah tipe id menjadi 'string' karena kita menggunakan UUID
   const handleAction = async (id: string, status: string) => {
     try {
       const token = localStorage.getItem("token");
@@ -76,22 +108,39 @@ export default function AdminDashboard() {
           <Activity className="text-blue-500" /> Real-time Room Energy
         </h2>
        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
-          {/* TAMBAHKAN PENGURUTAN ABJAD DI SINI */}
           {[...roomStats]
             .sort((a, b) => a.name.localeCompare(b.name))
-            .map((room) => (
-            <div key={room.room_id} className="bg-white p-5 rounded-xl border border-gray-100 shadow-sm">
+            .map((room) => {
+              
+              // LOGIKA INJEKSI: Timpa nilai dummy dengan daya asli jika ini Kelas D101
+              const isD101 = room.name === "Kelas D101";
+              const displayedPower = isD101 ? d101TotalPower : room.power_consumption;
+              const isPowerActive = displayedPower > 0;
+
+              return (
+                <div key={room.room_id} className={`bg-white p-5 rounded-xl border shadow-sm transition-all
+                  ${isD101 ? 'border-blue-200 border-l-4 border-l-blue-500 bg-blue-50/10' : 'border-gray-100'}`}>
+                  
                   <div className="flex justify-between items-start mb-3">
-                <span className="text-sm font-bold text-gray-400 uppercase tracking-tight">{room.name}</span>
-                <div className={`h-3 w-3 rounded-full ${room.power_consumption > 5 ? 'bg-orange-500 animate-pulse' : 'bg-gray-300'}`} />
+                    <span className={`text-sm font-bold uppercase tracking-tight ${isD101 ? 'text-blue-700' : 'text-gray-400'}`}>
+                      {room.name} {isD101 && <span className="ml-2 text-[8px] bg-blue-500 text-white px-2 py-0.5 rounded-full">REAL SENSOR</span>}
+                    </span>
+                    <div className={`h-3 w-3 rounded-full ${isPowerActive ? (isD101 ? 'bg-green-500 animate-pulse' : 'bg-orange-500 animate-pulse') : 'bg-gray-300'}`} />
                   </div>
+                  
                   <div className="flex items-end gap-2">
-                <span className="text-3xl font-black text-gray-800">{room.power_consumption || 0}</span>
+                    <span className={`text-3xl font-black ${isD101 ? 'text-blue-700' : 'text-gray-800'}`}>
+                      {displayedPower.toFixed(1)}
+                    </span>
                     <span className="text-gray-500 font-bold mb-1">Watts</span>
                   </div>
-              <p className="text-[10px] text-gray-400 mt-2 font-medium">Last updated: Just now</p>
+                  
+                  <p className="text-[10px] text-gray-400 mt-2 font-medium">
+                    {isD101 ? "Live auto-update via IoT" : "Last updated: Just now"}
+                  </p>
                 </div>
-          ))}
+              );
+          })}
         </div>
       </div>
 
@@ -116,12 +165,10 @@ export default function AdminDashboard() {
             </thead>
             <tbody className="divide-y divide-gray-50">
               {pendingBookings.map((b) => (
-                // PERBAIKAN 2: Gunakan booking_id sebagai key
                 <tr key={b.booking_id} className="hover:bg-gray-50/50 transition-colors">
                   <td className="p-4 font-bold text-gray-800 text-sm">{b.user?.full_name || "Tanpa Nama"}</td>
                   <td className="p-4 text-sm font-medium text-gray-600">{b.room?.name || "Ruangan Tidak Diketahui"}</td>
                   
-                  {/* PERBAIKAN 3: Format Waktu Mulai dan Selesai yang Rapi */}
                   <td className="p-4 text-sm text-gray-600">
                     <div className="font-bold">
                       {new Date(b.start_time).toLocaleTimeString('id-ID', {hour: '2-digit', minute:'2-digit'})} - {new Date(b.end_time).toLocaleTimeString('id-ID', {hour: '2-digit', minute:'2-digit'})}
@@ -134,7 +181,6 @@ export default function AdminDashboard() {
                   <td className="p-4 text-sm text-gray-600 truncate max-w-60">{b.purpose}</td>
                   <td className="p-4">
                     <div className="flex justify-center gap-2">
-                      {/* PERBAIKAN 4: Gunakan b.booking_id di fungsi onClick */}
                       <button 
                         onClick={() => handleAction(b.booking_id, 'Approved')} 
                         className="p-2 bg-green-50 text-green-600 rounded-lg hover:bg-green-100 transition-colors"

frontend/app/admin/rooms/page.tsx

@@ -66,7 +66,7 @@ export default function ManageRoomsPage() {
       </div>
 
       <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
-        {/* TAMBAHKAN [...rooms].sort(...) SEBELUM .map */}
+        {/* [...rooms].sort memastikan urutan kelas selalu rapi dari D101, D102, dst */}
         {[...rooms]
           .sort((a, b) => a.name.localeCompare(b.name))
           .map((room) => (

frontend/app/admin/schedules/page.tsx

@@ -2,12 +2,26 @@
 
 import { useEffect, useState } from "react";
 import axios from "axios";
-import { CalendarDays, Plus, Trash2, Clock, MapPin, LayoutList, Calendar } from "lucide-react";
+import { CalendarDays, Plus, Trash2, Clock, MapPin, LayoutList, Calendar, Edit, X, Save } from "lucide-react";
 
 export default function SchedulesPage() {
   const [schedules, setSchedules] = useState<any[]>([]);
   const [loading, setLoading] = useState(true);
-  const [viewMode, setViewMode] = useState<"table" | "calendar">("table"); // State untuk pindah mode
+  const [viewMode, setViewMode] = useState<"table" | "calendar">("table");
+
+  // STATE UNTUK MODAL FORM (TAMBAH & EDIT)
+  const [isModalOpen, setIsModalOpen] = useState(false);
+  const [isSaving, setIsSaving] = useState(false);
+  const [formData, setFormData] = useState({
+    schedule_id: null as number | null,
+    kode_mk: "",
+    nama_mk: "",
+    room_id: 1, // Default Kelas D101
+    hari: "Senin",
+    jam_mulai: "",
+    jam_selesai: "",
+    jumlah_sks: 2,
+  });
 
   const hariUrutan = ["Senin", "Selasa", "Rabu", "Kamis", "Jumat"];
   const listJam = ["07:00", "08:00", "09:00", "10:00", "11:00", "12:00", "13:00", "14:00", "15:00", "16:00"];
@@ -31,7 +45,92 @@ export default function SchedulesPage() {
     }
   };
 
-  // Helper untuk mengecek apakah ada matkul di hari dan jam tertentu (Untuk Mode Kalender)
+  // =========================================================================
+  // FUNGSI CRUD (TAMBAH, EDIT, HAPUS)
+  // =========================================================================
+  
+  // 1. Buka Modal untuk Tambah Baru
+  const handleAddClick = () => {
+    setFormData({
+      schedule_id: null,
+      kode_mk: "",
+      nama_mk: "",
+      room_id: 1,
+      hari: "Senin",
+      jam_mulai: "07:00",
+      jam_selesai: "08:40",
+      jumlah_sks: 2,
+    });
+    setIsModalOpen(true);
+  };
+
+  // 2. Buka Modal untuk Edit Data Lama
+  const handleEditClick = (sched: any) => {
+    setFormData({
+      schedule_id: sched.schedule_id,
+      kode_mk: sched.kode_mk,
+      nama_mk: sched.nama_mk,
+      room_id: sched.room_id,
+      hari: sched.hari,
+      jam_mulai: sched.jam_mulai.substring(0, 5), // Potong detik jika ada (07:00:00 -> 07:00)
+      jam_selesai: sched.jam_selesai.substring(0, 5),
+      jumlah_sks: sched.jumlah_sks || 2,
+    });
+    setIsModalOpen(true);
+  };
+
+  // 3. Simpan Data (Create atau Update ke Backend)
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setIsSaving(true);
+    try {
+      const token = localStorage.getItem("token");
+      const headers = { Authorization: `Bearer ${token}` };
+
+      // Format ulang jam agar aman (tambahkan detik 00)
+      const payload = {
+        ...formData,
+        jam_mulai: formData.jam_mulai.length === 5 ? `${formData.jam_mulai}:00` : formData.jam_mulai,
+        jam_selesai: formData.jam_selesai.length === 5 ? `${formData.jam_selesai}:00` : formData.jam_selesai,
+        jumlah_sks: Number(formData.jumlah_sks)
+      };
+
+      if (formData.schedule_id) {
+        // UPDATE (PUT)
+        await axios.put(`http://172.17.172.17:8080/api/schedules/${formData.schedule_id}`, payload, { headers });
+        alert("Jadwal berhasil diperbarui!");
+      } else {
+        // CREATE BARU (POST)
+        await axios.post("http://172.17.172.17:8080/api/schedules", payload, { headers });
+        alert("Jadwal baru berhasil ditambahkan!");
+      }
+      
+      setIsModalOpen(false);
+      fetchSchedules(); // Refresh data di tabel
+    } catch (err: any) {
+      console.error("Gagal menyimpan jadwal:", err);
+      alert("Gagal menyimpan data: " + (err.response?.data?.error || err.message));
+    } finally {
+      setIsSaving(false);
+    }
+  };
+
+  // 4. Hapus Data (Delete)
+  const handleDelete = async (id: number, namaMK: string) => {
+    if (!window.confirm(`Apakah Anda yakin ingin menghapus jadwal mata kuliah ${namaMK}?`)) return;
+    
+    try {
+      const token = localStorage.getItem("token");
+      await axios.delete(`http://172.17.172.17:8080/api/schedules/${id}`, {
+        headers: { Authorization: `Bearer ${token}` }
+      });
+      alert("Jadwal berhasil dihapus!");
+      fetchSchedules();
+    } catch (err: any) {
+      alert("Gagal menghapus jadwal.");
+    }
+  };
+
   const getMatkulDiSlot = (hari: string, jam: string) => {
     return schedules.find((s) => {
       if (s.hari !== hari) return false;
@@ -53,12 +152,20 @@ export default function SchedulesPage() {
             <CalendarDays size={28} />
           </div>
           <div>
-            <h2 className="text-2xl font-bold text-gray-800">Jadwal Kuliah Statis</h2>
-            <p className="text-gray-500 text-sm mt-1">Pantau kepadatan ruang kelas D101 dan kelola jadwal otomatis.</p>
+            <h2 className="text-2xl font-bold text-gray-800">Edit Jadwal</h2>
+            <p className="text-gray-500 text-sm mt-1">Pantau dan Kelola Jadwal Ruangan.</p>
           </div>
         </div>
         
         <div className="flex items-center gap-3">
+          {/* Tombol Tambah Jadwal */}
+          <button 
+            onClick={handleAddClick}
+            className="flex items-center gap-2 px-4 py-2 bg-blue-600 text-white rounded-lg text-sm font-bold hover:bg-blue-700 transition-all shadow-sm"
+          >
+            <Plus size={16} /> Tambah Jadwal
+          </button>
+
           {/* Toggle View Mode */}
           <div className="bg-gray-100 p-1 rounded-lg flex items-center border border-gray-200">
             <button 
@@ -74,7 +181,6 @@ export default function SchedulesPage() {
               <Calendar size={14} /> Mode Kalender
             </button>
           </div>
-
         </div>
       </div>
 
@@ -88,8 +194,8 @@ export default function SchedulesPage() {
                   <th className="p-4">Kode MK</th>
                   <th className="p-4">Mata Kuliah</th>
                   <th className="p-4">Ruangan</th>
-                  <th className="p-4">Hari</th>
-                  <th className="p-4">Waktu</th>
+                  <th className="p-4">Hari & Waktu</th>
+                  <th className="p-4">SKS</th>
                   <th className="p-4 text-center">Aksi</th>
                 </tr>
               </thead>
@@ -97,24 +203,38 @@ export default function SchedulesPage() {
                 {schedules.length > 0 ? (
                   schedules.map((sched) => (
                     <tr key={sched.schedule_id} className="hover:bg-blue-50/30 transition-colors">
-                      <td className="p-4 font-bold text-gray-800 text-sm">{sched.kode_mk}</td>
-                      <td className="p-4 text-sm font-semibold text-gray-600">{sched.nama_mk}</td>
-                      <td className="p-4 text-sm font-bold text-blue-600 flex items-center gap-1.5 mt-2">
-                        <MapPin size={14} /> Kelas D101
-                      </td>
-                      <td className="p-4 text-sm font-bold text-gray-700">
-                        <span className="bg-gray-100 px-2 py-1 rounded-md">{sched.hari}</span>
+                      <td className="p-4 font-bold text-blue-700 text-sm">{sched.kode_mk}</td>
+                      <td className="p-4 text-sm font-semibold text-gray-800">{sched.nama_mk}</td>
+                      <td className="p-4 text-sm font-bold text-gray-600 flex items-center gap-1.5 mt-2">
+                        <MapPin size={14} className="text-blue-500" /> Kelas D101
                       </td>
                       <td className="p-4 text-sm text-gray-600">
-                        <div className="flex items-center gap-1.5 font-medium">
-                          <Clock size={14} className="text-gray-400" />
+                        <div className="font-bold text-gray-700">{sched.hari}</div>
+                        <div className="flex items-center gap-1.5 font-medium text-xs mt-0.5">
+                          <Clock size={12} className="text-gray-400" />
                           {sched.jam_mulai.substring(0, 5)} - {sched.jam_selesai.substring(0, 5)}
                         </div>
                       </td>
-                      <td className="p-4 text-center">
-                        <button className="p-2 bg-red-50 text-red-500 rounded-lg hover:bg-red-100 transition-colors">
+                      <td className="p-4 text-sm font-bold text-gray-600 text-center">
+                        <span className="bg-gray-100 px-2 py-1 rounded-md border">{sched.jumlah_sks}</span>
+                      </td>
+                      <td className="p-4">
+                        <div className="flex items-center justify-center gap-2">
+                          <button 
+                            onClick={() => handleEditClick(sched)}
+                            className="p-2 bg-yellow-50 text-yellow-600 rounded-lg hover:bg-yellow-100 transition-colors"
+                            title="Edit Jadwal"
+                          >
+                            <Edit size={16} />
+                          </button>
+                          <button 
+                            onClick={() => handleDelete(sched.schedule_id, sched.nama_mk)}
+                            className="p-2 bg-red-50 text-red-500 rounded-lg hover:bg-red-100 transition-colors"
+                            title="Hapus Jadwal"
+                          >
                             <Trash2 size={16} />
                           </button>
+                        </div>
                       </td>
                     </tr>
                   ))
@@ -149,7 +269,11 @@ export default function SchedulesPage() {
                   return (
                     <div key={hari} className="h-full">
                       {mtk ? (
-                        <div className="bg-blue-50 border-l-4 border-blue-600 p-2 rounded text-left shadow-xs h-full flex flex-col justify-between">
+                        <div 
+                          onClick={() => handleEditClick(mtk)} 
+                          className="bg-blue-50 border-l-4 border-blue-600 p-2 rounded text-left shadow-xs h-full flex flex-col justify-between cursor-pointer hover:bg-blue-100 transition-colors"
+                          title="Klik untuk Edit"
+                        >
                           <span className="text-xs font-bold text-blue-800 block truncate">{mtk.nama_mk}</span>
                           <span className="text-[10px] font-semibold text-blue-500">{mtk.kode_mk}</span>
                         </div>
@@ -167,6 +291,81 @@ export default function SchedulesPage() {
         </div>
       )}
 
+      {/* ==================================== MODAL FORM CRUD ==================================== */}
+      {isModalOpen && (
+        <div className="fixed inset-0 bg-black/50 z-50 flex items-center justify-center p-4 backdrop-blur-sm">
+          <div className="bg-white rounded-2xl w-full max-w-lg shadow-xl overflow-hidden">
+            <div className="flex justify-between items-center p-5 border-b border-gray-100 bg-gray-50/50">
+              <h3 className="font-bold text-lg text-gray-800">
+                {formData.schedule_id ? "Edit Jadwal Kuliah" : "Tambah Jadwal Kuliah Baru"}
+              </h3>
+              <button onClick={() => setIsModalOpen(false)} className="text-gray-400 hover:text-red-500">
+                <X size={20} />
+              </button>
+            </div>
+            
+            <form onSubmit={handleSubmit} className="p-6 space-y-4">
+              <div className="grid grid-cols-2 gap-4">
+                <div>
+                  <label className="block text-xs font-bold text-gray-600 mb-1">Kode MK</label>
+                  <input type="text" required value={formData.kode_mk} onChange={(e) => setFormData({...formData, kode_mk: e.target.value.toUpperCase()})}
+                    className="w-full border border-gray-300 rounded-lg p-2.5 text-sm focus:ring-2 focus:ring-blue-500 outline-none uppercase" 
+                    placeholder="Contoh: EE153" 
+                  />
+                </div>
+                <div>
+                  <label className="block text-xs font-bold text-gray-600 mb-1">Jumlah SKS</label>
+                  <input type="number" min="1" max="6" required value={formData.jumlah_sks} onChange={(e) => setFormData({...formData, jumlah_sks: Number(e.target.value)})}
+                    className="w-full border border-gray-300 rounded-lg p-2.5 text-sm focus:ring-2 focus:ring-blue-500 outline-none" 
+                  />
+                </div>
+              </div>
+
+              <div>
+                <label className="block text-xs font-bold text-gray-600 mb-1">Nama Mata Kuliah</label>
+                <input type="text" required value={formData.nama_mk} onChange={(e) => setFormData({...formData, nama_mk: e.target.value})}
+                  className="w-full border border-gray-300 rounded-lg p-2.5 text-sm focus:ring-2 focus:ring-blue-500 outline-none" 
+                  placeholder="Contoh: Elektronika dan Sistem Digital" 
+                />
+              </div>
+
+              <div>
+                <label className="block text-xs font-bold text-gray-600 mb-1">Hari Pelaksanaan</label>
+                <select value={formData.hari} onChange={(e) => setFormData({...formData, hari: e.target.value})}
+                  className="w-full border border-gray-300 rounded-lg p-2.5 text-sm focus:ring-2 focus:ring-blue-500 outline-none bg-white">
+                  {hariUrutan.map(h => <option key={h} value={h}>{h}</option>)}
+                  <option value="Sabtu">Sabtu</option>
+                </select>
+              </div>
+
+              <div className="grid grid-cols-2 gap-4">
+                <div>
+                  <label className="block text-xs font-bold text-gray-600 mb-1">Jam Mulai</label>
+                  <input type="time" required value={formData.jam_mulai} onChange={(e) => setFormData({...formData, jam_mulai: e.target.value})}
+                    className="w-full border border-gray-300 rounded-lg p-2.5 text-sm focus:ring-2 focus:ring-blue-500 outline-none" 
+                  />
+                </div>
+                <div>
+                  <label className="block text-xs font-bold text-gray-600 mb-1">Jam Selesai</label>
+                  <input type="time" required value={formData.jam_selesai} onChange={(e) => setFormData({...formData, jam_selesai: e.target.value})}
+                    className="w-full border border-gray-300 rounded-lg p-2.5 text-sm focus:ring-2 focus:ring-blue-500 outline-none" 
+                  />
+                </div>
+              </div>
+
+              <div className="pt-4 flex gap-3">
+                <button type="button" onClick={() => setIsModalOpen(false)} className="flex-1 py-2.5 rounded-lg text-sm font-bold text-gray-600 bg-gray-100 hover:bg-gray-200 transition-colors">
+                  Batal
+                </button>
+                <button type="submit" disabled={isSaving} className={`flex-1 py-2.5 rounded-lg text-sm font-bold text-white transition-colors flex items-center justify-center gap-2 ${isSaving ? 'bg-blue-400' : 'bg-blue-600 hover:bg-blue-700'}`}>
+                  <Save size={16} /> {isSaving ? "Menyimpan..." : "Simpan Jadwal"}
+                </button>
+              </div>
+            </form>
+          </div>
+        </div>
+      )}
+
     </div>
   );
 }

frontend/app/dashboard/bookings/add/page.tsx

@@ -92,11 +92,23 @@ export default function AddBookingPage() {
               onChange={(e) => setSelectedRoomId(e.target.value)}
             >
               <option value="" disabled>-- Pilih Ruangan yang Tersedia --</option>
-              {rooms.map(room => (
-                <option key={room.room_id} value={room.room_id}>
-                  {room.name} (Kapasitas: {room.capacity} | {room.floor})
+              
+              {/* PERBAIKAN: Sortir Ruangan & Disable yang berstatus Maintenance */}
+              {[...rooms]
+                .sort((a, b) => a.name.localeCompare(b.name))
+                .map((room) => (
+                <option 
+                  key={room.room_id} 
+                  value={room.room_id}
+                  disabled={room.status === 'Maintenance'}
+                  className={room.status === 'Maintenance' ? 'text-gray-400 bg-gray-100' : 'text-gray-900'}
+                >
+                  {room.name} {room.status === 'Maintenance' 
+                    ? '[TIDAK TERSEDIA - SEDANG PERAWATAN]' 
+                    : `(Kapasitas: ${room.capacity} | ${room.floor})`}
                 </option>
               ))}
+
             </select>
           </div>
         </div>

frontend/app/dashboard/page.tsx

@@ -119,7 +119,7 @@ export default function Dashboard() {
           className="flex items-center gap-2 bg-white border border-gray-300 text-gray-700 hover:bg-blue-50 hover:text-blue-600 hover:border-blue-300 px-4 py-2 rounded-lg text-sm font-medium shadow-sm transition-all"
         >
           <Clock size={18} />
-          Lihat Riwayat Booking
+        Riwayat Peminjaman
         </button>
       </div>