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| | import 'dart:convert';
| |
| | import 'package:flutter/material.dart';
| | import 'package:mqtt_client/mqtt_client.dart';
| |
| | import '../services/mqtt_service.dart';
| | import '../services/trace_service.dart';
| |
| | /// Displays the in-memory trace log for diagnosing message delivery problems.
| | ///
| | /// Shows entries in reverse chronological order (newest first).
| | /// Accessible from the Settings screen via "Message Trace Log".
| | /// Works in both debug and release builds.
| | class TraceScreen extends StatefulWidget {
| | /// Optional MQTT service reference so entries can be published to the server.
| | final MqttService? mqttService;
| |
| | const TraceScreen({super.key, this.mqttService});
| |
| | @override
| | State<TraceScreen> createState() => _TraceScreenState();
| | }
| |
| | class _TraceScreenState extends State<TraceScreen> {
| | bool _sending = false;
| |
| | List<TraceEntry> get _entries =>
| | TraceService.instance.entries.reversed.toList();
| |
| | Future<void> _sendToServer() async {
| | final service = widget.mqttService;
| | if (service == null || !service.isConnected) {
| | if (mounted) {
| | ScaffoldMessenger.of(context).showSnackBar(
| | const SnackBar(content: Text('Not connected to server')),
| | );
| | }
| | return;
| | }
| |
| | setState(() => _sending = true);
| |
| | try {
| | final entries = TraceService.instance.entries;
| | final payload = jsonEncode({
| | 'type': 'trace_log',
| | 'source': 'pailot',
| | 'ts': DateTime.now().millisecondsSinceEpoch,
| | 'count': entries.length,
| | 'entries': entries
| | .map((e) => {
| | 'timestamp': e.timestamp.toIso8601String(),
| | 'event': e.event,
| | 'details': e.details,
| | })
| | .toList(),
| | });
| |
| | // Build the MQTT payload
| | final builder = MqttClientPayloadBuilder();
| | builder.addString(payload);
| |
| | // Publish on pailot/trace — daemon can subscribe/log this
| | service.send({
| | 'type': 'command',
| | 'command': 'trace_upload',
| | 'args': {
| | 'count': entries.length,
| | 'payload': payload,
| | },
| | });
| |
| | if (mounted) {
| | ScaffoldMessenger.of(context).showSnackBar(
| | SnackBar(
| | content: Text('Sent ${entries.length} trace entries to server'),
| | ),
| | );
| | }
| | } catch (e) {
| | if (mounted) {
| | ScaffoldMessenger.of(context).showSnackBar(
| | SnackBar(content: Text('Send failed: $e')),
| | );
| | }
| | } finally {
| | if (mounted) setState(() => _sending = false);
| | }
| | }
| |
| | void _clearLog() {
| | TraceService.instance.clear();
| | setState(() {});
| | }
| |
| | Color _colorForEvent(String event) {
| | if (event.contains('error') || event.contains('fail') || event.contains('drop')) {
| | return Colors.red.shade300;
| | }
| | if (event.contains('dedup')) return Colors.orange.shade300;
| | if (event.contains('displayed') || event.contains('published')) {
| | return Colors.green.shade300;
| | }
| | if (event.contains('MQTT')) return Colors.blue.shade300;
| | if (event.contains('voice')) return Colors.purple.shade300;
| | return Colors.grey.shade400;
| | }
| |
| | @override
| | Widget build(BuildContext context) {
| | final entries = _entries;
| |
| | return Scaffold(
| | appBar: AppBar(
| | title: const Text('Message Trace Log'),
| | actions: [
| | IconButton(
| | icon: const Icon(Icons.delete_outline),
| | tooltip: 'Clear log',
| | onPressed: _clearLog,
| | ),
| | IconButton(
| | icon: _sending
| | ? const SizedBox(
| | width: 20,
| | height: 20,
| | child: CircularProgressIndicator(strokeWidth: 2),
| | )
| | : const Icon(Icons.upload_outlined),
| | tooltip: 'Send to server',
| | onPressed: _sending ? null : _sendToServer,
| | ),
| | ],
| | ),
| | body: entries.isEmpty
| | ? const Center(
| | child: Text(
| | 'No trace entries yet.\nSend a message to generate traces.',
| | textAlign: TextAlign.center,
| | style: TextStyle(color: Colors.grey),
| | ),
| | )
| | : Column(
| | children: [
| | Container(
| | color: Colors.black87,
| | padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
| | child: Row(
| | children: [
| | Text(
| | '${entries.length} entries (newest first)',
| | style: const TextStyle(
| | fontSize: 11,
| | color: Colors.grey,
| | fontFamily: 'monospace',
| | ),
| | ),
| | const Spacer(),
| | const Text(
| | 'Tap to copy',
| | style: TextStyle(fontSize: 11, color: Colors.grey),
| | ),
| | ],
| | ),
| | ),
| | Expanded(
| | child: ListView.builder(
| | itemCount: entries.length,
| | itemBuilder: (context, index) {
| | final entry = entries[index];
| | final ts = entry.timestamp
| | .toIso8601String()
| | .substring(11, 23); // HH:mm:ss.mmm
| |
| | return InkWell(
| | onTap: () {
| | // Copy full entry to clipboard on tap
| | final text = '$ts | ${entry.event} | ${entry.details}';
| | ScaffoldMessenger.of(context).showSnackBar(
| | SnackBar(
| | content: Text(
| | text,
| | maxLines: 2,
| | overflow: TextOverflow.ellipsis,
| | style: const TextStyle(fontFamily: 'monospace', fontSize: 11),
| | ),
| | duration: const Duration(seconds: 2),
| | ),
| | );
| | },
| | child: Container(
| | padding: const EdgeInsets.symmetric(
| | horizontal: 12,
| | vertical: 6,
| | ),
| | decoration: BoxDecoration(
| | border: Border(
| | bottom: BorderSide(
| | color: Colors.grey.shade800,
| | width: 0.5,
| | ),
| | ),
| | ),
| | child: Row(
| | crossAxisAlignment: CrossAxisAlignment.start,
| | children: [
| | Text(
| | ts,
| | style: const TextStyle(
| | fontFamily: 'monospace',
| | fontSize: 10,
| | color: Colors.grey,
| | ),
| | ),
| | const SizedBox(width: 8),
| | Expanded(
| | child: Column(
| | crossAxisAlignment: CrossAxisAlignment.start,
| | children: [
| | Text(
| | entry.event,
| | style: TextStyle(
| | fontFamily: 'monospace',
| | fontSize: 11,
| | fontWeight: FontWeight.bold,
| | color: _colorForEvent(entry.event),
| | ),
| | ),
| | if (entry.details.isNotEmpty)
| | Text(
| | entry.details,
| | style: const TextStyle(
| | fontFamily: 'monospace',
| | fontSize: 10,
| | color: Colors.grey,
| | ),
| | maxLines: 2,
| | overflow: TextOverflow.ellipsis,
| | ),
| | ],
| | ),
| | ),
| | ],
| | ),
| | ),
| | );
| | },
| | ),
| | ),
| | ],
| | ),
| | );
| | }
| | }
|
|
