TKK_E32230814/DUAL_MODE_IMPLEMENTATION.md

🎉 Implementasi Dual Mode System & Bug Fixes

Tanggal: 26 Januari 2026
Status: ✅ COMPLETED

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🚀 Fitur Baru: Dual Mode System

Mode 1: Smart Mode (Adaptif) 🧠

Konsep:

• Pompa ON: ketika soil < Batas Minimal
• Pompa OFF: ketika soil >= Batas Maksimal ATAU timeout (durasi habis)
• Prioritas: Mencapai target > durasi

Cara Kerja:

Trigger: soil_1 = 25% < 30% (batas minimal)
├─ Pompa Air ON
├─ Valve POT 1 ON
├─ Loop setiap 5 detik:
│  ├─ Check soil_1 value
│  ├─ Jika soil_1 >= 80% → STOP (target tercapai) ✅
│  └─ Jika waktu >= durasi (misal 60s) → STOP (timeout) ⏱️
└─ Pompa & Valve OFF

Log Example:

🧠 Smart Mode: Target soil_1 >= 80 (currently: 25), max 60s
💧 POT 1 watering: 5s, soil_1: 35
💧 POT 1 watering: 10s, soil_1: 55
💧 POT 1 watering: 15s, soil_1: 82
✅ POT 1 reached target: 82 >= 80 (Smart Mode)
✅ Sensor Mode: Watering completed for POT 1 (15s, mode: smart)

Use Case:

• Tanaman sensitif terhadap over-watering
• Ingin efisiensi air maksimal
• Sensor soil moisture berfungsi baik

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Mode 2: Fixed Duration (Durasi Tetap) ⏱️

Konsep:

• Pompa ON: ketika soil < Batas Minimal
• Pompa OFF: setelah tepat durasi yang ditentukan
• Prioritas: Durasi tetap (tidak peduli sensor)

Cara Kerja:

Trigger: soil_1 = 25% < 30% (batas minimal)
├─ Pompa Air ON
├─ Valve POT 1 ON
├─ Loop setiap 5 detik (monitoring only):
│  ├─ Log soil_1 value (tidak break)
│  └─ Continue sampai durasi habis
└─ Setelah durasi (misal 30s) → Pompa & Valve OFF

Log Example:

⏱️ Fixed Duration Mode: Watering for exactly 30s
💧 POT 1 watering: 5s/30s, soil_1: 40
💧 POT 1 watering: 10s/30s, soil_1: 60
💧 POT 1 watering: 15s/30s, soil_1: 78
💧 POT 1 watering: 20s/30s, soil_1: 88
💧 POT 1 watering: 25s/30s, soil_1: 92
💧 POT 1 watering: 30s/30s, soil_1: 95
✅ POT 1 fixed duration completed: 30s
✅ Sensor Mode: Watering completed for POT 1 (30s, mode: fixed)

Use Case:

• Sensor tidak akurat atau rusak
• Ingin penyiraman konsisten setiap kali
• Sudah tahu berapa lama perlu menyiram

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🎨 UI Changes

Sensor Config Page

Tambahan Baru:

┌─────────────────────────────────────────────┐
│ Mode Penyiraman                             │
├─────────────────────────────────────────────┤
│ ● Smart Mode (Adaptif)                      │
│   Siram hingga batas atas tercapai atau     │
│   timeout                                   │
├─────────────────────────────────────────────┤
│ ○ Fixed Duration (Durasi Tetap)            │
│   Siram selama durasi yang ditentukan      │
└─────────────────────────────────────────────┘

Batas Minimal (%): 30
Batas Maksimal (%): 80
Durasi Penyiraman: 10 detik

ℹ️ Smart Mode: Pompa akan mati otomatis saat 
   mencapai batas atas atau durasi habis 
   sebagai safety timeout

   Fixed Duration: Pompa akan menyiram selama 
   durasi yang ditentukan, tidak peduli nilai 
   sensor

Interaksi:

• Radio buttons untuk pilih mode
• Info text berubah dinamis sesuai mode
• Durasi memiliki fungsi berbeda per mode:
  • Smart: Max timeout (safety)
  • Fixed: Durasi aktual penyiraman

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🔧 Technical Implementation

1. Data Model Changes

Local Storage (sensor_config):

{
  'batasMinimal': '30',
  'batasMaksimal': '80',
  'durasi': '10',
  'durasiUnit': 'detik',
  'mode': 'smart',  // ← NEW: 'smart' or 'fixed'
}

Firebase (kontrol):

{
  "batas_atas": 80,
  "batas_bawah": 30,
  "durasi_sensor": 10,      // ← NEW: dalam detik
  "mode_sensor": "smart",   // ← NEW: 'smart' or 'fixed'
  "otomatis": true
}

2. Code Changes

File Modified:

1. ✅ lib/screens/sensor_config_page.dart

   • Tambah radio buttons untuk mode selection
   • Update _sensorConfig dengan field mode
   • Convert durasi ke seconds sebelum save ke Firebase
   • Dynamic info text berdasarkan mode

2. ✅ lib/services/kontrol_automation_service.dart

   • Update _checkSensorThreshold() untuk ambil mode_sensor dan durasi_sensor
   • Update _waterPotBySensor() dengan parameter mode dan durasiSeconds
   • Implementasi dual logic dengan if-else:
     • Smart mode: break jika soil >= batasAtas
     • Fixed mode: continue sampai durasi habis

3. ✅ lib/services/firebase_database_service.dart

   • Tidak perlu perubahan, sudah support updateKontrolConfig()

3. Logic Flow

Smart Mode:

if (mode == 'smart') {
  while (elapsedSeconds < durasiSeconds && _isSensorModeActive) {
    await Future.delayed(Duration(seconds: 5));
    elapsedSeconds += 5;
    
    currentSoil = await getSensorData();
    
    if (currentSoil >= batasAtas) {
      break; // ✅ Target tercapai
    }
  }
  
  if (elapsedSeconds >= durasiSeconds) {
    // ⏰ Timeout (safety)
  }
}

Fixed Mode:

if (mode == 'fixed') {
  while (elapsedSeconds < durasiSeconds && _isSensorModeActive) {
    await Future.delayed(Duration(seconds: 5));
    elapsedSeconds += 5;
    
    currentSoil = await getSensorData(); // Log only, tidak break
  }
  
  // ✅ Durasi selesai
}

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🐛 Bug Fixes

Bug #1: Logout Tiba-tiba ke Login Page ✅ FIXED

Root Cause:

• Auth state listener trigger saat first load
• Listener tidak memeriksa apakah user sudah login sebelumnya
• Bisa menyebabkan loop redirect

Solution:

class _DashboardPageState extends State<DashboardPage> {
  bool _isInitialized = false;
  
  @override
  void initState() {
    super.initState();
    
    // Verify user on init
    if (_authService.currentUser == null) {
      WidgetsBinding.instance.addPostFrameCallback((_) {
        if (mounted) {
          Navigator.of(context).pushNamedAndRemoveUntil(
            '/login', 
            (route) => false,
          );
        }
      });
      return;
    }
    
    _isInitialized = true;
    
    // Listener hanya trigger jika sudah initialized
    _authService.authStateChanges.listen((user) {
      if (_isInitialized && user == null && mounted) {
        Navigator.of(context).pushNamedAndRemoveUntil(
          '/login', 
          (route) => false,
        );
      }
    });
  }
}

Key Changes:

1. ✅ Tambah flag _isInitialized
2. ✅ Check currentUser di initState()
3. ✅ Listener hanya trigger setelah initialized
4. ✅ Always check mounted sebelum navigate

Bug #2: Crash yang Menyebabkan Logout

Root Cause:

• Unhandled exceptions di Firebase calls
• setState() dipanggil setelah widget disposed
• StreamBuilder error tidak di-handle

Solution:

// Always wrap await dengan try-catch
try {
  final data = await _dbService.getSensorData();
  if (mounted) {  // ← Check mounted
    setState(() {
      // Update state
    });
  }
} catch (e) {
  debugPrint('Error: $e');
  if (mounted) {
    // Show error tapi tidak crash
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(content: Text('Error: $e')),
    );
  }
}

Files Enhanced with Error Handling:

1. ✅ dashboard_page.dart - StreamBuilder error state
2. ✅ kontrol_page.dart - Load Firebase state
3. ✅ sensor_config_page.dart - Load config
4. ✅ waktu_config_page.dart - Load config
5. ✅ pot_selection_page.dart - Load mode status

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📊 Comparison Table

Feature	Smart Mode 🧠	Fixed Duration ⏱️
Stop Condition	Target OR timeout	Durasi habis
Sensor Dependency	✅ High	❌ Low
Water Efficiency	✅ Optimal	⚠️ Depends
Predictability	⚠️ Variable	✅ Consistent
If Sensor Fails	⚠️ Use timeout	✅ Still works
Over-watering Risk	❌ Low	⚠️ Possible
Best For	Smart irrigation	Manual control

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🧪 Testing Checklist

Dual Mode Testing

Smart Mode:

• Trigger penyiraman (soil < 30%)
• Pompa mati saat mencapai target (soil >= 80%)
• Pompa mati saat timeout (durasi habis)
• Log menunjukkan "Smart Mode" dengan target
• Cooldown 2 menit bekerja

Fixed Duration:

• Trigger penyiraman (soil < 30%)
• Pompa menyiram selama durasi penuh
• Pompa TIDAK mati meskipun target tercapai
• Log menunjukkan "Fixed Duration Mode"
• Progress counter: 5s/30s, 10s/30s, dst

Edge Cases:

• Switch mode saat automation aktif
• Durasi 0 atau negatif (validation)
• Multiple pot trigger bersamaan
• Sensor return invalid value (null, "", 0)
• Firebase disconnected saat watering

Bug Fixes Testing

Auth & Navigation:

• Login → Dashboard (tidak logout)
• Dashboard → Kontrol → tidak logout
• Dashboard → Histori → tidak logout
• Drawer navigation → tidak logout
• Back button → tidak logout
• Network ON/OFF → tidak logout
• Multiple tab/window → tidak logout

Error Handling:

• Firebase call error → show snackbar, tidak crash
• setState after dispose → tidak crash
• StreamBuilder error → tampil error state
• Invalid sensor data → handle gracefully

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📝 Migration Guide

Existing Users

Jika sudah ada konfigurasi lama:

1. App akan auto-migrate ke format baru
2. Default mode: smart
3. Default durasi unit: detik
4. Konfigurasi lama tetap tersimpan

Jika belum ada konfigurasi:

1. Default values:
   • Batas Minimal: 30%
   • Batas Maksimal: 80%
   • Durasi: 10 detik
   • Mode: Smart

Firebase Update

Manual Steps (Optional):

// Di Firebase Console, tambahkan fields baru:
{
  "kontrol": {
    "durasi_sensor": 30,     // Default 30 detik
    "mode_sensor": "smart"   // Default smart mode
  }
}

Auto Update:

• Fields akan otomatis ter-create saat user save config pertama kali

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🔮 Future Enhancements

1. Hybrid Mode: Kombinasi smart + fixed (min & max duration)
2. Per-Pot Mode: Setiap pot bisa punya mode berbeda
3. Schedule Mode: Smart mode di pagi, fixed mode di sore
4. Learning Mode: AI adjust durasi berdasarkan history
5. Notification: Push notif saat watering complete
6. History Graph: Chart durasi vs hasil kelembaban

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📞 Support

Jika ada masalah:

1. Check Console Log:

   🧠 Smart Mode: Target ... 
   ⏱️ Fixed Duration Mode: ...
   ✅ Watering completed ...
   ❌ Error: ...
   

2. Verify Firebase:

   • kontrol/mode_sensor exist?
   • kontrol/durasi_sensor valid number?
   • kontrol/otomatis = true?

3. Reset Config:

   • Delete local storage
   • Delete Firebase /kontrol node
   • Restart app
   • Setup ulang

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🎯 Summary

✅ Completed

1. Dual Mode System

   • Smart Mode (adaptif dengan sensor)
   • Fixed Duration (durasi tetap)
   • UI untuk selection
   • Backend logic implementation

2. Bug Fixes

   • Fix logout tiba-tiba
   • Enhanced error handling
   • Prevent crashes
   • Safe navigation

3. Code Quality

   • Better logging
   • Comprehensive error handling
   • Clean separation of modes
   • Well documented

📈 Improvements

Performance:

• Check interval: 10s → 5s (lebih responsif)
• Cooldown: 5 min → 2 min (lebih cepat)

Reliability:

• Auth state management fixed
• Error boundaries added
• Graceful degradation

User Experience:

• Clear mode selection
• Dynamic info text
• Better feedback
• Predictable behavior

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Happy Gardening! 🌱