TKK_E32230814/lib/screens/dashboard_page.dart

549 lines
17 KiB
Dart

import 'package:flutter/material.dart';
import '../theme/app_color.dart';
import '../services/auth_service.dart';
import '../services/firebase_database_service.dart';
import 'kontrol_page.dart';
import 'histori_page.dart';
class DashboardPage extends StatefulWidget {
const DashboardPage({super.key});
@override
State<DashboardPage> createState() => _DashboardPageState();
}
class _DashboardPageState extends State<DashboardPage> {
int _selectedIndex = 0;
final _dbService = FirebaseDatabaseService();
final _authService = AuthService();
bool _isInitialized = false;
final List<Map<String, dynamic>> _pages = [
{'title': 'Dashboard', 'icon': Icons.dashboard},
{'title': 'Kontrol', 'icon': Icons.settings_remote},
{'title': 'Histori', 'icon': Icons.history},
];
@override
void initState() {
super.initState();
// Verify user is logged in on init
if (_authService.currentUser == null) {
// If no user, redirect immediately
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted) {
Navigator.of(
context,
).pushNamedAndRemoveUntil('/login', (route) => false);
}
});
return;
}
_isInitialized = true;
// Monitor auth state untuk mencegah logout tidak terduga
// Hanya trigger jika sudah initialized dan user jadi null
_authService.authStateChanges.listen((user) {
if (_isInitialized && user == null && mounted) {
// User logged out, redirect to login
Navigator.of(
context,
).pushNamedAndRemoveUntil('/login', (route) => false);
}
});
}
Future<void> _handleLogout(BuildContext context) async {
final confirmed = await showDialog<bool>(
context: context,
builder:
(context) => AlertDialog(
title: const Text('Konfirmasi'),
content: const Text('Apakah Anda yakin ingin logout?'),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, false),
child: const Text('Batal'),
),
TextButton(
onPressed: () => Navigator.pop(context, true),
style: TextButton.styleFrom(foregroundColor: Colors.red),
child: const Text('Logout'),
),
],
),
);
if (confirmed == true && context.mounted) {
try {
await AuthService().signOut();
if (context.mounted) {
Navigator.of(
context,
).pushNamedAndRemoveUntil('/login', (route) => false);
}
} catch (e) {
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Gagal logout: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
}
@override
Widget build(BuildContext context) {
return WillPopScope(
onWillPop: () async {
// Jika di halaman dashboard (index 0), tampilkan konfirmasi logout
if (_selectedIndex == 0) {
final shouldExit = await showDialog<bool>(
context: context,
builder:
(context) => AlertDialog(
title: const Text('Konfirmasi'),
content: const Text(
'Apakah Anda yakin ingin keluar dari aplikasi?',
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, false),
child: const Text('Batal'),
),
TextButton(
onPressed: () => Navigator.pop(context, true),
style: TextButton.styleFrom(foregroundColor: Colors.red),
child: const Text('Keluar'),
),
],
),
);
return shouldExit ?? false;
}
// Untuk tab lain, set kembali ke dashboard
setState(() {
_selectedIndex = 0;
});
return false;
},
child: Scaffold(
appBar: AppBar(
title: Text(_pages[_selectedIndex]['title']),
backgroundColor: AppColor.primary,
foregroundColor: Colors.white,
iconTheme: const IconThemeData(color: Colors.white),
),
drawer: Drawer(
child: Column(
children: [
// Drawer Header
Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(
vertical: 40,
horizontal: 16,
),
decoration: BoxDecoration(color: AppColor.primary),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: 70,
height: 70,
decoration: BoxDecoration(
color: Colors.white,
shape: BoxShape.circle,
),
child: ClipOval(
child: Image.asset(
'assets/images/logo_apsgo.png',
fit: BoxFit.cover,
errorBuilder: (context, error, stackTrace) {
return Icon(
Icons.eco,
size: 35,
color: AppColor.primary,
);
},
),
),
),
const SizedBox(height: 12),
Text(
'ApsGo',
style: TextStyle(
color: Colors.white,
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
Text(
AuthService().currentUser?.email ?? 'user@example.com',
style: TextStyle(
color: Colors.white.withOpacity(0.9),
fontSize: 14,
),
),
],
),
),
// Menu Items
Expanded(
child: ListView(
padding: EdgeInsets.zero,
children: [
_buildDrawerItem(
icon: Icons.dashboard,
title: 'Dashboard',
index: 0,
),
_buildDrawerItem(
icon: Icons.settings_remote,
title: 'Kontrol',
index: 1,
),
_buildDrawerItem(
icon: Icons.history,
title: 'Histori',
index: 2,
),
const Divider(),
ListTile(
leading: const Icon(Icons.logout, color: Colors.red),
title: const Text(
'Logout',
style: TextStyle(
color: Colors.red,
fontWeight: FontWeight.w500,
),
),
onTap: () {
Navigator.pop(context);
_handleLogout(context);
},
),
],
),
),
],
),
),
body: _buildBody(),
),
);
}
Widget _buildDrawerItem({
required IconData icon,
required String title,
required int index,
}) {
final isSelected = _selectedIndex == index;
return ListTile(
leading: Icon(
icon,
color: isSelected ? AppColor.primary : Colors.grey[700],
),
title: Text(
title,
style: TextStyle(
color: isSelected ? AppColor.primary : Colors.grey[700],
fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
),
),
selected: isSelected,
selectedTileColor: AppColor.primary.withOpacity(0.1),
onTap: () {
setState(() {
_selectedIndex = index;
});
Navigator.pop(context);
},
);
}
Widget _buildBody() {
switch (_selectedIndex) {
case 0:
return _buildDashboard();
case 1:
return const KontrolPage();
case 2:
return const HistoriPage();
default:
return _buildDashboard();
}
}
Widget _buildDashboard() {
return StreamBuilder<Map<String, dynamic>>(
stream: _dbService.getSensorDataStream(),
builder: (context, snapshot) {
// Loading state
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(child: CircularProgressIndicator());
}
// Error state
if (snapshot.hasError) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.error_outline, size: 48, color: Colors.red),
const SizedBox(height: 16),
Text('Error: ${snapshot.error}'),
const SizedBox(height: 16),
ElevatedButton(
onPressed: () => setState(() {}),
child: const Text('Retry'),
),
],
),
);
}
// No data state
if (!snapshot.hasData || snapshot.data!.isEmpty) {
return const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.cloud_off, size: 48, color: Colors.grey),
SizedBox(height: 16),
Text('No data available'),
],
),
);
}
final data = snapshot.data!;
final suhu = data['suhu'] ?? '0';
final kelembapan = data['kelembapan'] ?? '0';
final ldr = data['ldr'] ?? '0';
final soil1 = data['soil_1'] ?? '0';
final soil2 = data['soil_2'] ?? '0';
final soil3 = data['soil_3'] ?? '0';
final soil4 = data['soil_4'] ?? '0';
final soil5 = data['soil_5'] ?? '0';
return SingleChildScrollView(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Connection Status Indicator
_buildConnectionStatus(),
const SizedBox(height: 8),
// Sensor Cards - Temperature, Humidity, Light
_buildSensorCard(
title: "Temperature",
value: suhu,
unit: "°C",
icon: Icons.thermostat_outlined,
color: Colors.orange,
),
_buildSensorCard(
title: "Humidity",
value: kelembapan,
unit: "%",
icon: Icons.water_drop_outlined,
color: Colors.blue,
),
_buildSensorCard(
title: "Light",
value: ldr,
unit: "%",
icon: Icons.wb_sunny_outlined,
color: Colors.amber,
),
const SizedBox(height: 12),
// Pot Cards - Pot 1 to Pot 5
_buildPotCard(potNumber: 1, soilMoisture: soil1),
_buildPotCard(potNumber: 2, soilMoisture: soil2),
_buildPotCard(potNumber: 3, soilMoisture: soil3),
_buildPotCard(potNumber: 4, soilMoisture: soil4),
_buildPotCard(potNumber: 5, soilMoisture: soil5),
],
),
);
},
);
}
Widget _buildConnectionStatus() {
return StreamBuilder<bool>(
stream: _dbService.getConnectionStatus(),
builder: (context, snapshot) {
final isConnected = snapshot.data ?? false;
return Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color:
isConnected
? Colors.green.withOpacity(0.1)
: Colors.red.withOpacity(0.1),
borderRadius: BorderRadius.circular(20),
border: Border.all(
color: isConnected ? Colors.green : Colors.red,
width: 1,
),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 8,
height: 8,
decoration: BoxDecoration(
color: isConnected ? Colors.green : Colors.red,
shape: BoxShape.circle,
),
),
const SizedBox(width: 8),
Text(
isConnected ? 'Connected' : 'Disconnected',
style: TextStyle(
color: isConnected ? Colors.green : Colors.red,
fontSize: 12,
fontWeight: FontWeight.w600,
),
),
],
),
);
},
);
}
Widget _buildSensorCard({
required String title,
required String value,
String unit = '',
required IconData icon,
required Color color,
}) {
return Card(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
margin: const EdgeInsets.only(bottom: 12),
elevation: 2,
child: Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: AppColor.primary.withOpacity(0.3),
width: 2,
),
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: color.withOpacity(0.1),
borderRadius: BorderRadius.circular(12),
),
child: Icon(icon, color: color, size: 28),
),
const SizedBox(width: 16),
Expanded(
child: Text(
title,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
),
),
),
Row(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Text(
value,
style: const TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
if (unit.isNotEmpty)
Padding(
padding: const EdgeInsets.only(left: 4, bottom: 2),
child: Text(
unit,
style: TextStyle(fontSize: 14, color: Colors.grey[600]),
),
),
],
),
],
),
),
);
}
Widget _buildPotCard({required int potNumber, required String soilMoisture}) {
return Card(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
margin: const EdgeInsets.only(bottom: 12),
elevation: 2,
child: Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: AppColor.primary.withOpacity(0.3),
width: 2,
),
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Colors.green.withOpacity(0.1),
borderRadius: BorderRadius.circular(12),
),
child: Icon(Icons.yard, color: Colors.green, size: 28),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Pot $potNumber',
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 4),
Text(
'Soil Moisture',
style: TextStyle(fontSize: 13, color: Colors.grey[600]),
),
],
),
),
Text(
soilMoisture,
style: const TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
),
],
),
),
);
}
}