437 lines
20 KiB
Dart
437 lines
20 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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final VoidCallback? onProfileTap;
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const MonitoringScreen({super.key, this.onProfileTap});
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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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double _prevSuhu = 0;
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double _prevKelembapan = 0;
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double _prevIntensitas = 0;
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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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if (mounted) setState(() => _isInitialLoading = false);
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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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double.parse(data['suhu_min'].toString()),
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double.parse(data['rh_min'].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 curSuhu = double.tryParse(mqtt.suhu) ?? 0;
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final curHum = double.tryParse(mqtt.kelembapan) ?? 0;
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final curLux = double.tryParse(mqtt.intensitas) ?? 0;
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_prevSuhu = curSuhu;
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_prevKelembapan = curHum;
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_prevIntensitas = curLux;
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});
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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: LayoutBuilder(
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builder: (context, constraints) {
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// Tinggi tersedia = tinggi layar dikurangi header
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const headerHeight = 175.0; // header + timestamp + mode badge + padding
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const gaps = 15.0 * 2; // 2 gap antar 3 baris
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const padding = 20.0 * 2; // padding atas bawah
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final available = constraints.maxHeight - headerHeight - gaps - padding;
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final cardH = (available / 3).clamp(100.0, 180.0);
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return SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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child: ConstrainedBox(
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constraints: BoxConstraints(minHeight: constraints.maxHeight),
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child: Padding(
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// ── Header ──
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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('Monitoring',
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style: TextStyle(
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color: Colors.white,
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fontSize: 32,
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fontWeight: FontWeight.bold)),
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const Text('Sistem Pengeringan Kopi',
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style: TextStyle(color: Colors.grey, fontSize: 16)),
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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, height: 8,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: mqtt.client?.connectionStatus?.state ==
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MqttConnectionState.connected
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? Colors.green
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: 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 ==
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MqttConnectionState.connected
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? 'Connected'
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: 'Disconnected',
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style: TextStyle(
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color: mqtt.client?.connectionStatus?.state ==
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MqttConnectionState.connected
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? Colors.green
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: 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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GestureDetector(
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onTap: widget.onProfileTap,
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child: 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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),
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const SizedBox(height: 6),
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// ── Timestamp ──
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Text('Update: ${mqtt.timestamp}',
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style: const TextStyle(color: Colors.grey, fontSize: 11)),
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const SizedBox(height: 10),
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// ── Mode Badge ──
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: mqtt.mode == 'manual'
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? Colors.orange.withOpacity(0.2)
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: Colors.green.withOpacity(0.2),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(
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color: mqtt.mode == 'manual' ? Colors.orange : Colors.green,
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),
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),
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child: Text(
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'Mode: ${mqtt.mode.toUpperCase()}',
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style: TextStyle(
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color: mqtt.mode == 'manual' ? Colors.orange : Colors.green,
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fontSize: 12,
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fontWeight: FontWeight.bold,
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),
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),
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),
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const SizedBox(height: 15),
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// ── Baris 1: Suhu & Kelembaban ──
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SizedBox(
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height: cardH,
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child: Row(
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children: [
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Expanded(
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child: _buildSensorCard(
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title: 'Suhu',
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prev: _prevSuhu,
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cur: curSuhu,
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suffix: '°C',
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dec: 1,
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icon: Icons.thermostat,
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color: curSuhu > mqtt.maxSuhu ? Colors.red : Colors.redAccent,
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isAlert: curSuhu > mqtt.maxSuhu,
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isLow: curSuhu < mqtt.minSuhu,
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onTap: () => Navigator.pushNamed(context, '/analytics',
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arguments: {'title': 'Grafik Suhu (°C)', 'color': Colors.redAccent, 'value': '${mqtt.suhu}°C'}),
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),
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),
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const SizedBox(width: 15),
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Expanded(
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child: _buildSensorCard(
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title: 'Kelembaban',
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prev: _prevKelembapan,
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cur: curHum,
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suffix: '%',
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dec: 1,
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icon: Icons.water_drop,
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color: curHum > mqtt.maxRh ? Colors.red : Colors.cyan,
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isAlert: curHum > mqtt.maxRh,
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isLow: curHum < mqtt.minRh,
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onTap: () => Navigator.pushNamed(context, '/analytics',
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arguments: {'title': 'Grafik Kelembaban (%)', 'color': Colors.cyan, 'value': '${mqtt.kelembapan}%'}),
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),
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),
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],
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),
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),
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const SizedBox(height: 15),
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// ── Baris 2: Cahaya full width ──
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SizedBox(
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height: cardH,
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width: double.infinity,
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child: _buildSensorCard(
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title: 'Cahaya',
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prev: _prevIntensitas,
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cur: curLux,
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suffix: ' Lux',
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dec: 1,
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icon: Icons.wb_sunny,
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color: Colors.orange,
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onTap: () => Navigator.pushNamed(context, '/analytics',
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arguments: {'title': 'Grafik Cahaya (Lux)', 'color': Colors.orange, 'value': '${mqtt.intensitas} Lux'}),
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),
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),
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const SizedBox(height: 15),
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// ── Baris 3: Kipas 1 & Kipas 2 ──
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SizedBox(
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height: cardH,
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child: Row(
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children: [
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Expanded(
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child: _buildControlCard(
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'Kipas 1\n(Intake)',
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mqtt.isKipas1On,
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(val) => mqtt.perintahKipas("1", val),
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mqtt,
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),
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),
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const SizedBox(width: 15),
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Expanded(
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child: _buildControlCard(
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'Kipas 2\n(Exhaust)',
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mqtt.isKipas2On,
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(val) => mqtt.perintahKipas("2", val),
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mqtt,
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),
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),
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],
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),
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),
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// ── Alert Banner ──
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if (curSuhu > mqtt.maxSuhu || curHum > mqtt.maxRh)
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Container(
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margin: const EdgeInsets.only(top: 15),
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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: const Row(
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children: [
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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(
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color: Colors.red,
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fontWeight: FontWeight.bold,
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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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if (curSuhu < mqtt.minSuhu || curHum < mqtt.minRh)
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Container(
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margin: const EdgeInsets.only(top: 15),
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padding: const EdgeInsets.all(15),
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decoration: BoxDecoration(
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color: Colors.blue.withOpacity(0.2),
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borderRadius: BorderRadius.circular(15),
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border: Border.all(color: Colors.blue),
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),
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child: const Row(
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children: [
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Icon(Icons.info_outline, color: Colors.blue),
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SizedBox(width: 10),
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Expanded(
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child: Text(
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'Info: Parameter pengeringan di bawah batas minimum!',
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style: TextStyle(
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color: Colors.blue,
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fontWeight: FontWeight.bold,
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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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),
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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({
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required String title,
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required double prev,
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required double cur,
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required String suffix,
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required int dec,
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required IconData icon,
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required Color color,
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bool isAlert = false,
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bool isLow = false,
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VoidCallback? onTap,
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}) {
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return GestureDetector(
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onTap: onTap,
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child: Container(
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width: double.infinity,
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height: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: isAlert ? Colors.red.withOpacity(0.1) : isLow ? Colors.blue.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) : isLow ? Border.all(color: Colors.blue, 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: 32),
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const SizedBox(height: 6),
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Text(title, style: const TextStyle(color: Colors.grey, fontSize: 12)),
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const SizedBox(height: 4),
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TweenAnimationBuilder<double>(
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tween: Tween<double>(begin: prev, end: cur),
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duration: const Duration(milliseconds: 800),
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curve: Curves.easeOutCubic,
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builder: (context, value, _) => FittedBox(
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fit: BoxFit.scaleDown,
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child: Text(
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'${value.toStringAsFixed(dec)}$suffix',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 22,
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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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),
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);
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}
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Widget _buildControlCard(
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String title,
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bool isOn,
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Function(bool) onChanged,
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MqttService mqtt,
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) {
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return Container(
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width: double.infinity,
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height: double.infinity,
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padding: const EdgeInsets.all(12),
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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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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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children: [
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Icon(Icons.settings_input_component,
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color: isOn ? Colors.green : Colors.grey, size: 16),
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const SizedBox(width: 6),
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Expanded(
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child: Text(title,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 11,
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fontWeight: FontWeight.bold)),
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),
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],
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),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('Mode: ${mqtt.mode.toUpperCase()}',
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style: const TextStyle(
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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(
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isOn ? 'ON' : 'OFF',
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style: TextStyle(
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color: isOn ? Colors.green : Colors.grey,
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fontSize: 12,
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fontWeight: FontWeight.bold),
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),
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SizedBox(
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height: 28,
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child: Switch(
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value: isOn,
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onChanged: mqtt.mode == 'manual' ? onChanged : null,
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activeColor: Colors.green,
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materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
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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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} |