274 lines
11 KiB
Dart
274 lines
11 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:mqtt_client/mqtt_client.dart';
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import '../services/mqtt_service.dart';
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import '../services/supabase_service.dart';
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class MonitoringScreen extends StatefulWidget {
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const MonitoringScreen({super.key});
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@override
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State<MonitoringScreen> createState() => _MonitoringScreenState();
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}
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class _MonitoringScreenState extends State<MonitoringScreen> {
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bool _isInitialLoading = true;
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@override
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void initState() {
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super.initState();
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_initData();
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}
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Future<void> _initData() async {
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setState(() => _isInitialLoading = true);
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await _loadLimits();
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await _loadLastSensorData();
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if (mounted) setState(() => _isInitialLoading = false);
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}
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Future<void> _loadLastSensorData() async {
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try {
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final lastLog = await SupabaseService().getLatestLog();
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if (lastLog != null && mounted) {
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final mqtt = Provider.of<MqttService>(context, listen: false);
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// Update local MQTT service state with last DB values if currently "0" or default
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// This ensures the user sees the last known data immediately
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mqtt.updateFromLastLog(
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lastLog['suhu'].toString(),
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lastLog['kelembapan'].toString(),
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lastLog['intensitas'].toString(),
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lastLog['kipas1'] == 'ON',
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lastLog['kipas2'] == 'ON'
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);
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}
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} catch (e) {
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debugPrint('Error loading last log: $e');
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}
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}
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Future<void> _loadLimits() async {
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try {
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final data = await SupabaseService().getBatasSensor();
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if (data != null && mounted) {
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Provider.of<MqttService>(context, listen: false).setLimits(
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double.parse(data['suhu_max'].toString()),
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double.parse(data['rh_max'].toString()),
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);
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}
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} catch (e) {
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debugPrint('Error loading limits: $e');
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}
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}
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@override
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Widget build(BuildContext context) {
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final mqtt = Provider.of<MqttService>(context);
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final curTemp = double.tryParse(mqtt.temp) ?? 0;
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final curHum = double.tryParse(mqtt.humidity) ?? 0;
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return Scaffold(
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backgroundColor: Colors.black,
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body: SafeArea(
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child: _isInitialLoading
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? const Center(child: CircularProgressIndicator(color: Colors.green))
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: RefreshIndicator(
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onRefresh: _initData,
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color: Colors.green,
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child: SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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child: Padding(
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padding: const EdgeInsets.all(20.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'Monitoring',
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style: TextStyle(color: Colors.white, fontSize: 32, fontWeight: FontWeight.bold),
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),
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const Text(
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'Sistem Pengeringan Kopi',
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style: TextStyle(color: Colors.grey, fontSize: 16),
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),
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const SizedBox(height: 5),
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Row(
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children: [
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Container(
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width: 8,
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height: 8,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: mqtt.client?.connectionStatus?.state == MqttConnectionState.connected
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? Colors.green : Colors.red,
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),
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),
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const SizedBox(width: 8),
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Text(
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mqtt.client?.connectionStatus?.state == MqttConnectionState.connected
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? 'Connected' : 'Disconnected',
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style: TextStyle(
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color: mqtt.client?.connectionStatus?.state == MqttConnectionState.connected
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? Colors.green : Colors.red,
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fontSize: 12,
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),
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),
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],
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),
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],
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),
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const CircleAvatar(
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backgroundColor: Color(0xFF1A1A1A),
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radius: 25,
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child: Icon(Icons.person, color: Colors.green),
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),
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],
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),
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const SizedBox(height: 30),
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GridView.count(
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shrinkWrap: true,
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physics: const NeverScrollableScrollPhysics(),
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crossAxisCount: 2,
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crossAxisSpacing: 15,
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mainAxisSpacing: 15,
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children: [
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_buildSensorCard(
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'Suhu',
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'${mqtt.temp}°C',
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Icons.thermostat,
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curTemp > mqtt.maxTemp ? Colors.red : Colors.redAccent,
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isAlert: curTemp > mqtt.maxTemp,
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onTap: () => Navigator.pushNamed(context, '/analytics', arguments: {'title': 'Grafik Suhu (°C)', 'color': Colors.redAccent, 'value': '${mqtt.temp}°C'}),
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),
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_buildSensorCard(
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'Kelembaban',
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'${mqtt.humidity}%',
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Icons.water_drop,
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curHum > mqtt.maxHum ? Colors.red : Colors.cyan,
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isAlert: curHum > mqtt.maxHum,
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onTap: () => Navigator.pushNamed(context, '/analytics', arguments: {'title': 'Grafik Kelembaban (%)', 'color': Colors.cyan, 'value': '${mqtt.humidity}%'}),
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),
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_buildSensorCard(
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'Cahaya',
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'${mqtt.light} Lux',
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Icons.wb_sunny,
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Colors.orange,
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onTap: () => Navigator.pushNamed(context, '/analytics', arguments: {'title': 'Grafik Cahaya (Lux)', 'color': Colors.orange, 'value': '${mqtt.light} Lux'}),
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),
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_buildControlCard(
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'Intake',
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mqtt.isIntakeOn,
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(val) async {
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final status = val ? 'ON' : 'OFF';
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mqtt.publish('coffee/intake', status);
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await SupabaseService().logFanAction(status, mqtt.isExhaustOn ? 'ON' : 'OFF', curTemp, curHum, double.tryParse(mqtt.light) ?? 0);
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},
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mqtt,
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),
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_buildControlCard(
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'Exhaust',
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mqtt.isExhaustOn,
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(val) async {
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final status = val ? 'ON' : 'OFF';
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mqtt.publish('coffee/exhaust', status);
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await SupabaseService().logFanAction(mqtt.isIntakeOn ? 'ON' : 'OFF', status, curTemp, curHum, double.tryParse(mqtt.light) ?? 0);
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},
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mqtt,
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),
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],
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),
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if (curTemp > mqtt.maxTemp || curHum > mqtt.maxHum)
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Container(
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margin: const EdgeInsets.only(top: 20),
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padding: const EdgeInsets.all(15),
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decoration: BoxDecoration(
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color: Colors.red.withOpacity(0.2),
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borderRadius: BorderRadius.circular(15),
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border: Border.all(color: Colors.red),
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),
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child: Row(
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children: const [
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Icon(Icons.warning_amber_rounded, color: Colors.red),
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SizedBox(width: 10),
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Expanded(
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child: Text(
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'Peringatan: Parameter pengeringan melewati batas aman!',
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style: TextStyle(color: Colors.red, fontWeight: FontWeight.bold, fontSize: 12),
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),
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),
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],
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),
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),
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],
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),
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),
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),
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),
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),
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);
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}
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Widget _buildSensorCard(String title, String value, IconData icon, Color color, {bool isAlert = false, VoidCallback? onTap}) {
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return GestureDetector(
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onTap: onTap,
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child: Container(
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padding: const EdgeInsets.all(15),
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decoration: BoxDecoration(
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color: isAlert ? Colors.red.withOpacity(0.1) : const Color(0xFF1A1A1A),
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borderRadius: BorderRadius.circular(20),
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border: isAlert ? Border.all(color: Colors.red, width: 2) : null,
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(icon, color: color, size: 40),
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const SizedBox(height: 10),
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Text(title, style: const TextStyle(color: Colors.grey, fontSize: 14)),
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const SizedBox(height: 5),
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Text(value, style: const TextStyle(color: Colors.white, fontSize: 22, fontWeight: FontWeight.bold)),
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],
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),
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),
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);
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}
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Widget _buildControlCard(String title, bool isOn, Function(bool) onChanged, MqttService mqtt) {
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return Container(
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padding: const EdgeInsets.all(15),
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decoration: BoxDecoration(
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color: const Color(0xFF1A1A1A),
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borderRadius: BorderRadius.circular(20),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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const Icon(Icons.settings_input_component, color: Colors.green, size: 20),
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const SizedBox(width: 8),
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Text(title, style: const TextStyle(color: Colors.white, fontSize: 14, fontWeight: FontWeight.bold)),
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],
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),
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const Spacer(),
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Text('Mode: ${mqtt.currentMode}', style: const TextStyle(color: Colors.green, fontSize: 9, fontWeight: FontWeight.bold)),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(isOn ? 'ON' : 'OFF', style: const TextStyle(color: Colors.grey, fontSize: 12)),
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SizedBox(
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height: 30,
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child: Switch(value: isOn, onChanged: onChanged, activeColor: Colors.green),
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),
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],
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),
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],
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),
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);
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}
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}
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