TKK_E32220332/lib/screens/monitoring_screen.dart

391 lines
15 KiB
Dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:mqtt_client/mqtt_client.dart';
import '../services/mqtt_service.dart';
import '../services/supabase_service.dart';
class MonitoringScreen extends StatefulWidget {
const MonitoringScreen({super.key});
@override
State<MonitoringScreen> createState() => _MonitoringScreenState();
}
class _MonitoringScreenState extends State<MonitoringScreen> {
bool _isInitialLoading = true;
@override
void initState() {
super.initState();
_initData();
}
Future<void> _initData() async {
setState(() => _isInitialLoading = true);
await _loadLimits();
if (mounted) setState(() => _isInitialLoading = false);
}
Future<void> _loadLimits() async {
try {
final data = await SupabaseService().getBatasSensor();
if (data != null && mounted) {
Provider.of<MqttService>(context, listen: false).setLimits(
double.parse(data['suhu_max'].toString()),
double.parse(data['rh_max'].toString()),
);
}
} catch (e) {
debugPrint('Error loading limits: $e');
}
}
@override
Widget build(BuildContext context) {
final mqtt = Provider.of<MqttService>(context);
final curTemp = double.tryParse(mqtt.suhu) ?? 0;
final curHum = double.tryParse(mqtt.kelembapan) ?? 0;
return Scaffold(
backgroundColor: Colors.black,
body: SafeArea(
child: _isInitialLoading
? const Center(
child: CircularProgressIndicator(color: Colors.green))
: RefreshIndicator(
onRefresh: _initData,
color: Colors.green,
child: SingleChildScrollView(
physics: const AlwaysScrollableScrollPhysics(),
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// ── Header ──
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Monitoring',
style: TextStyle(
color: Colors.white,
fontSize: 32,
fontWeight: FontWeight.bold),
),
const Text(
'Sistem Pengeringan Kopi',
style: TextStyle(
color: Colors.grey, fontSize: 16),
),
const SizedBox(height: 5),
Row(
children: [
Container(
width: 8,
height: 8,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: mqtt.client?.connectionStatus
?.state ==
MqttConnectionState.connected
? Colors.green
: Colors.red,
),
),
const SizedBox(width: 8),
Text(
mqtt.client?.connectionStatus?.state ==
MqttConnectionState.connected
? 'Connected'
: 'Disconnected',
style: TextStyle(
color: mqtt.client?.connectionStatus
?.state ==
MqttConnectionState.connected
? Colors.green
: Colors.red,
fontSize: 12,
),
),
],
),
],
),
const CircleAvatar(
backgroundColor: Color(0xFF1A1A1A),
radius: 25,
child:
Icon(Icons.person, color: Colors.green),
),
],
),
const SizedBox(height: 10),
// ── Timestamp ──
Text(
'Update: ${mqtt.timestamp}',
style: const TextStyle(
color: Colors.grey, fontSize: 11),
),
const SizedBox(height: 20),
// ── Mode Badge ──
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color: mqtt.mode == 'manual'
? Colors.orange.withOpacity(0.2)
: Colors.green.withOpacity(0.2),
borderRadius: BorderRadius.circular(20),
border: Border.all(
color: mqtt.mode == 'manual'
? Colors.orange
: Colors.green,
),
),
child: Text(
'Mode: ${mqtt.mode.toUpperCase()}',
style: TextStyle(
color: mqtt.mode == 'manual'
? Colors.orange
: Colors.green,
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
),
const SizedBox(height: 20),
// ── Grid Sensor + Kontrol ──
GridView.count(
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
crossAxisCount: 2,
crossAxisSpacing: 15,
mainAxisSpacing: 15,
children: [
_buildSensorCard(
'Suhu',
'${mqtt.suhu}°C',
Icons.thermostat,
curTemp > mqtt.maxSuhu
? Colors.red
: Colors.redAccent,
isAlert: curTemp > mqtt.maxSuhu,
onTap: () => Navigator.pushNamed(
context,
'/analytics',
arguments: {
'title': 'Grafik Suhu (°C)',
'color': Colors.redAccent,
'value': '${mqtt.suhu}°C',
},
),
),
_buildSensorCard(
'Kelembaban',
'${mqtt.kelembapan}%',
Icons.water_drop,
curHum > mqtt.maxRh
? Colors.red
: Colors.cyan,
isAlert: curHum > mqtt.maxRh,
onTap: () => Navigator.pushNamed(
context,
'/analytics',
arguments: {
'title': 'Grafik Kelembaban (%)',
'color': Colors.cyan,
'value': '${mqtt.kelembapan}%',
},
),
),
_buildSensorCard(
'Cahaya',
'${mqtt.intensitas} Lux',
Icons.wb_sunny,
Colors.orange,
onTap: () => Navigator.pushNamed(
context,
'/analytics',
arguments: {
'title': 'Grafik Cahaya (Lux)',
'color': Colors.orange,
'value': '${mqtt.intensitas} Lux',
},
),
),
_buildControlCard(
'Kipas 1 (Exhaust)',
mqtt.isKipas1On,
(val) async {
mqtt.perintahKipas("1", val);
await SupabaseService().logFanAction(
val ? 'ON' : 'OFF',
mqtt.isKipas2On ? 'ON' : 'OFF',
curTemp,
curHum,
double.tryParse(mqtt.intensitas) ?? 0,
);
},
mqtt,
),
_buildControlCard(
'Kipas 2 (Intake)',
mqtt.isKipas2On,
(val) async {
mqtt.perintahKipas("2", val);
await SupabaseService().logFanAction(
mqtt.isKipas1On ? 'ON' : 'OFF',
val ? 'ON' : 'OFF',
curTemp,
curHum,
double.tryParse(mqtt.intensitas) ?? 0,
);
},
mqtt,
),
],
),
// ── Alert Banner ──
if (curTemp > mqtt.maxSuhu || curHum > mqtt.maxRh)
Container(
margin: const EdgeInsets.only(top: 20),
padding: const EdgeInsets.all(15),
decoration: BoxDecoration(
color: Colors.red.withOpacity(0.2),
borderRadius: BorderRadius.circular(15),
border: Border.all(color: Colors.red),
),
child: const Row(
children: [
Icon(Icons.warning_amber_rounded,
color: Colors.red),
SizedBox(width: 10),
Expanded(
child: Text(
'Peringatan: Parameter pengeringan melewati batas aman!',
style: TextStyle(
color: Colors.red,
fontWeight: FontWeight.bold,
fontSize: 12),
),
),
],
),
),
const SizedBox(height: 20),
],
),
),
),
),
),
);
}
Widget _buildSensorCard(
String title,
String value,
IconData icon,
Color color, {
bool isAlert = false,
VoidCallback? onTap,
}) {
return GestureDetector(
onTap: onTap,
child: Container(
padding: const EdgeInsets.all(15),
decoration: BoxDecoration(
color: isAlert
? Colors.red.withOpacity(0.1)
: const Color(0xFF1A1A1A),
borderRadius: BorderRadius.circular(20),
border:
isAlert ? Border.all(color: Colors.red, width: 2) : null,
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(icon, color: color, size: 40),
const SizedBox(height: 10),
Text(title,
style:
const TextStyle(color: Colors.grey, fontSize: 14)),
const SizedBox(height: 5),
Text(value,
style: const TextStyle(
color: Colors.white,
fontSize: 22,
fontWeight: FontWeight.bold)),
],
),
),
);
}
Widget _buildControlCard(
String title,
bool isOn,
Function(bool) onChanged,
MqttService mqtt,
) {
return Container(
padding: const EdgeInsets.all(15),
decoration: BoxDecoration(
color: const Color(0xFF1A1A1A),
borderRadius: BorderRadius.circular(20),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
const Icon(Icons.settings_input_component,
color: Colors.green, size: 20),
const SizedBox(width: 8),
Expanded(
child: Text(title,
style: const TextStyle(
color: Colors.white,
fontSize: 13,
fontWeight: FontWeight.bold)),
),
],
),
const Spacer(),
Text(
'Mode: ${mqtt.mode.toUpperCase()}',
style: const TextStyle(
color: Colors.green,
fontSize: 9,
fontWeight: FontWeight.bold),
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(isOn ? 'ON' : 'OFF',
style: const TextStyle(
color: Colors.grey, fontSize: 12)),
SizedBox(
height: 30,
child: Switch(
value: isOn,
onChanged:
mqtt.mode == 'manual' ? onChanged : null,
activeColor: Colors.green,
),
),
],
),
],
),
);
}
}