TKK_E32220332/lib/screens/monitoring_screen.dart

274 lines
11 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();
await _loadLastSensorData();
if (mounted) setState(() => _isInitialLoading = false);
}
Future<void> _loadLastSensorData() async {
try {
final lastLog = await SupabaseService().getLatestLog();
if (lastLog != null && mounted) {
final mqtt = Provider.of<MqttService>(context, listen: false);
// Update local MQTT service state with last DB values if currently "0" or default
// This ensures the user sees the last known data immediately
mqtt.updateFromLastLog(
lastLog['suhu'].toString(),
lastLog['kelembapan'].toString(),
lastLog['intensitas'].toString(),
lastLog['kipas1'] == 'ON',
lastLog['kipas2'] == 'ON'
);
}
} catch (e) {
debugPrint('Error loading last log: $e');
}
}
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: $e');
}
}
@override
Widget build(BuildContext context) {
final mqtt = Provider.of<MqttService>(context);
final curTemp = double.tryParse(mqtt.temp) ?? 0;
final curHum = double.tryParse(mqtt.humidity) ?? 0;
return Scaffold(
backgroundColor: Colors.black,
body: SafeArea(
child: _isInitialLoading
? const Center(child: CircularProgressIndicator(color: Colors.green))
: RefreshIndicator(
onRefresh: _initData,
color: Colors.green,
child: SingleChildScrollView(
physics: const AlwaysScrollableScrollPhysics(),
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Monitoring',
style: TextStyle(color: Colors.white, fontSize: 32, fontWeight: FontWeight.bold),
),
const Text(
'Sistem Pengeringan Kopi',
style: TextStyle(color: Colors.grey, fontSize: 16),
),
const SizedBox(height: 5),
Row(
children: [
Container(
width: 8,
height: 8,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: mqtt.client?.connectionStatus?.state == MqttConnectionState.connected
? Colors.green : Colors.red,
),
),
const SizedBox(width: 8),
Text(
mqtt.client?.connectionStatus?.state == MqttConnectionState.connected
? 'Connected' : 'Disconnected',
style: TextStyle(
color: mqtt.client?.connectionStatus?.state == MqttConnectionState.connected
? Colors.green : Colors.red,
fontSize: 12,
),
),
],
),
],
),
const CircleAvatar(
backgroundColor: Color(0xFF1A1A1A),
radius: 25,
child: Icon(Icons.person, color: Colors.green),
),
],
),
const SizedBox(height: 30),
GridView.count(
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
crossAxisCount: 2,
crossAxisSpacing: 15,
mainAxisSpacing: 15,
children: [
_buildSensorCard(
'Suhu',
'${mqtt.temp}°C',
Icons.thermostat,
curTemp > mqtt.maxTemp ? Colors.red : Colors.redAccent,
isAlert: curTemp > mqtt.maxTemp,
onTap: () => Navigator.pushNamed(context, '/analytics', arguments: {'title': 'Grafik Suhu (°C)', 'color': Colors.redAccent, 'value': '${mqtt.temp}°C'}),
),
_buildSensorCard(
'Kelembaban',
'${mqtt.humidity}%',
Icons.water_drop,
curHum > mqtt.maxHum ? Colors.red : Colors.cyan,
isAlert: curHum > mqtt.maxHum,
onTap: () => Navigator.pushNamed(context, '/analytics', arguments: {'title': 'Grafik Kelembaban (%)', 'color': Colors.cyan, 'value': '${mqtt.humidity}%'}),
),
_buildSensorCard(
'Cahaya',
'${mqtt.light} Lux',
Icons.wb_sunny,
Colors.orange,
onTap: () => Navigator.pushNamed(context, '/analytics', arguments: {'title': 'Grafik Cahaya (Lux)', 'color': Colors.orange, 'value': '${mqtt.light} Lux'}),
),
_buildControlCard(
'Intake',
mqtt.isIntakeOn,
(val) async {
final status = val ? 'ON' : 'OFF';
mqtt.publish('coffee/intake', status);
await SupabaseService().logFanAction(status, mqtt.isExhaustOn ? 'ON' : 'OFF', curTemp, curHum, double.tryParse(mqtt.light) ?? 0);
},
mqtt,
),
_buildControlCard(
'Exhaust',
mqtt.isExhaustOn,
(val) async {
final status = val ? 'ON' : 'OFF';
mqtt.publish('coffee/exhaust', status);
await SupabaseService().logFanAction(mqtt.isIntakeOn ? 'ON' : 'OFF', status, curTemp, curHum, double.tryParse(mqtt.light) ?? 0);
},
mqtt,
),
],
),
if (curTemp > mqtt.maxTemp || curHum > mqtt.maxHum)
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: Row(
children: const [
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),
),
),
],
),
),
],
),
),
),
),
),
);
}
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),
Text(title, style: const TextStyle(color: Colors.white, fontSize: 14, fontWeight: FontWeight.bold)),
],
),
const Spacer(),
Text('Mode: ${mqtt.currentMode}', 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: onChanged, activeColor: Colors.green),
),
],
),
],
),
);
}
}