TKK_Nisa_E32221364/lib/screens/dashboard_screen.dart

448 lines
13 KiB
Dart

import 'package:flutter/material.dart';
import '../models/sensor_data_model.dart';
import '../services/realtime_database_service.dart';
import '../services/auth_service.dart';
import '../utils/app_colors.dart';
import '../widgets/sensor_card.dart';
import '../widgets/custom_button.dart';
import 'login_screen.dart';
class DashboardScreen extends StatefulWidget {
const DashboardScreen({Key? key}) : super(key: key);
@override
State<DashboardScreen> createState() => _DashboardScreenState();
}
class _DashboardScreenState extends State<DashboardScreen> {
final RealtimeDatabaseService _dbService = RealtimeDatabaseService();
final AuthService _authService = AuthService();
bool _isLoading = false;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Dashboard Deteksi Kebakaran'),
backgroundColor: AppColors.primaryRed,
foregroundColor: AppColors.textLight,
elevation: 0,
actions: [
IconButton(
icon: const Icon(Icons.refresh),
onPressed: () {
setState(() {});
},
),
PopupMenuButton<String>(
onSelected: (value) {
if (value == 'logout') {
_handleLogout();
}
},
itemBuilder:
(BuildContext context) => [
PopupMenuItem<String>(
value: 'logout',
child: Row(
children: [
Icon(Icons.logout, color: AppColors.textError),
const SizedBox(width: 8),
Text('Logout'),
],
),
),
],
),
],
),
body: StreamBuilder<SensorData>(
stream: _dbService.sensorDataStream,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(
child: CircularProgressIndicator(
valueColor: AlwaysStoppedAnimation<Color>(AppColors.primaryRed),
),
);
}
if (snapshot.hasError) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.error_outline,
size: 64,
color: AppColors.textError,
),
const SizedBox(height: 16),
Text(
'Gagal memuat data sensor',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: AppColors.textError,
),
),
const SizedBox(height: 8),
Text(
'Periksa koneksi internet Anda',
style: TextStyle(
fontSize: 14,
color: AppColors.textSecondary,
),
),
const SizedBox(height: 16),
ElevatedButton(
onPressed: () {
setState(() {});
},
child: const Text('Coba Lagi'),
),
],
),
);
}
final sensorData = snapshot.data!;
return RefreshIndicator(
onRefresh: () async {
setState(() {});
},
child: SingleChildScrollView(
physics: const AlwaysScrollableScrollPhysics(),
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Status Overview
_buildStatusOverview(sensorData),
const SizedBox(height: 24),
// Sensor Data Section
_buildSectionTitle('Data Sensor'),
_buildSensorCards(sensorData),
const SizedBox(height: 24),
// Control Section
// _buildSectionTitle('Kontrol Sistem'),
// _buildControlCards(sensorData),
const SizedBox(height: 24),
// Emergency Actions
// _buildEmergencyActions(),
],
),
),
);
},
),
);
}
Widget _buildStatusOverview(SensorData sensorData) {
Color statusColor;
String statusText;
IconData statusIcon;
if (sensorData.isFireDetected) {
statusColor = AppColors.textError;
statusText = 'BAHAYA - API TERDETEKSI';
statusIcon = Icons.local_fire_department;
} else if (sensorData.isWarning) {
statusColor = AppColors.primaryOrange;
statusText = 'WASPADA - KONDISI ABNORMAL';
statusIcon = Icons.warning;
} else {
statusColor = AppColors.accentGreen;
statusText = 'AMAN - KONDISI NORMAL';
statusIcon = Icons.check_circle;
}
return Container(
width: double.infinity,
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [statusColor, statusColor.withOpacity(0.8)],
),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: statusColor.withOpacity(0.3),
blurRadius: 20,
offset: const Offset(0, 10),
),
],
),
child: Column(
children: [
Icon(statusIcon, size: 48, color: AppColors.textLight),
const SizedBox(height: 12),
Text(
statusText,
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
color: AppColors.textLight,
),
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
Text(
'Terakhir Update: ${DateTime.now().toString().substring(0, 19)}',
style: TextStyle(
fontSize: 12,
color: AppColors.textLight.withOpacity(0.8),
),
),
],
),
);
}
Widget _buildSectionTitle(String title) {
return Padding(
padding: const EdgeInsets.only(bottom: 16),
child: Text(
title,
style: const TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: AppColors.textPrimary,
),
),
);
}
Widget _buildSensorCards(SensorData sensorData) {
return Column(
children: [
SensorCard(
title: 'Suhu',
value: sensorData.suhu.toStringAsFixed(1),
unit: '°C',
icon: Icons.thermostat,
statusColor:
sensorData.suhu > 35
? AppColors.textError
: sensorData.suhu > 25
? AppColors.accentGreen
: AppColors.primaryBlue,
status: sensorData.statusSuhu,
),
SensorCard(
title: 'Kelembapan',
value: sensorData.kelembapan.toString(),
unit: '%',
icon: Icons.water_drop,
statusColor:
sensorData.kelembapan > 70
? AppColors.primaryBlue
: sensorData.kelembapan > 40
? AppColors.accentGreen
: AppColors.primaryOrange,
status: sensorData.statusKelembapan,
),
SensorCard(
title: 'Gas',
value: sensorData.gasValue.toString(),
unit: 'ppm',
icon: Icons.air,
statusColor:
sensorData.gasValue > 300
? AppColors.textError
: sensorData.gasValue > 150
? AppColors.primaryOrange
: AppColors.accentGreen,
status: sensorData.statusGas,
),
SensorCard(
title: 'Deteksi Api',
value: sensorData.apiTerdeteksi ? 'TERDETEKSI' : 'AMAN',
unit: '',
icon: Icons.local_fire_department,
statusColor:
sensorData.apiTerdeteksi
? AppColors.textError
: AppColors.accentGreen,
status: sensorData.statusApi,
),
],
);
}
Widget _buildControlCards(SensorData sensorData) {
return Column(
children: [
ControlCard(
title: 'Buzzer',
description: 'Alarm suara peringatan',
icon: Icons.volume_up,
isActive: sensorData.buzzerActive,
activeColor: AppColors.primaryOrange,
onToggle: () => _toggleControl('buzzer', !sensorData.buzzerActive),
),
ControlCard(
title: 'Exhaust Fan',
description: 'Kipas pembuangan asap',
icon: Icons.air,
isActive: sensorData.exhaustActive,
activeColor: AppColors.primaryBlue,
onToggle: () => _toggleControl('exhaust', !sensorData.exhaustActive),
),
ControlCard(
title: 'Water Pump',
description: 'Pompa air pemadam',
icon: Icons.water,
isActive: sensorData.pumpActive,
activeColor: AppColors.accentGreen,
onToggle: () => _toggleControl('pump', !sensorData.pumpActive),
),
],
);
}
Widget _buildEmergencyActions() {
return Column(
children: [
const SizedBox(height: 16),
// Mode Darurat Button
CustomButton(
text: 'Mode Darurat',
onPressed: _activateEmergencyMode,
backgroundColor: AppColors.textError,
icon: Icons.emergency,
isLoading: _isLoading,
width: double.infinity,
),
const SizedBox(height: 8),
// Reset Semua Button
CustomButton(
text: 'Reset Semua',
onPressed: _resetAllControls,
backgroundColor: AppColors.secondaryGray,
icon: Icons.refresh,
isLoading: _isLoading,
width: double.infinity,
),
],
);
}
Future<void> _toggleControl(String controlType, bool value) async {
setState(() {
_isLoading = true;
});
try {
switch (controlType) {
case 'buzzer':
await _dbService.updateControl(buzzerActive: value);
break;
case 'exhaust':
await _dbService.updateControl(exhaustActive: value);
break;
case 'pump':
await _dbService.updateControl(pumpActive: value);
break;
}
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Kontrol $controlType berhasil diupdate'),
backgroundColor: AppColors.accentGreen,
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(e.toString()),
backgroundColor: AppColors.textError,
),
);
} finally {
setState(() {
_isLoading = false;
});
}
}
Future<void> _activateEmergencyMode() async {
setState(() {
_isLoading = true;
});
try {
await _dbService.activateEmergencyMode();
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Mode darurat diaktifkan!'),
backgroundColor: AppColors.textError,
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(e.toString()),
backgroundColor: AppColors.textError,
),
);
} finally {
setState(() {
_isLoading = false;
});
}
}
Future<void> _resetAllControls() async {
setState(() {
_isLoading = true;
});
try {
await _dbService.resetAllControls();
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Semua kontrol berhasil direset'),
backgroundColor: AppColors.accentGreen,
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(e.toString()),
backgroundColor: AppColors.textError,
),
);
} finally {
setState(() {
_isLoading = false;
});
}
}
Future<void> _handleLogout() async {
try {
await _authService.signOut();
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (context) => const LoginScreen()),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(e.toString()),
backgroundColor: AppColors.textError,
),
);
}
}
}