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import 'dart:io';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:path/path.dart' as p;
import '../services/log_service.dart';
import '../services/preferences.dart';
final _displayFormat = DateFormat('yyyy-MM-dd HH:mm:ss');
class EntryBrowserScreen extends StatefulWidget {
const EntryBrowserScreen({super.key});
@override
State<EntryBrowserScreen> createState() => _EntryBrowserScreenState();
}
class _EntryBrowserScreenState extends State<EntryBrowserScreen> {
final PreferencesService _prefs = PreferencesService();
Future<List<LogEntry>>? _future;
String _dir = '';
@override
void initState() {
super.initState();
_refresh();
}
void _refresh() {
setState(() {
_future = _load();
});
}
Future<List<LogEntry>> _load() async {
_dir = await _prefs.directory();
return listEntries(_dir);
}
Future<void> _open(LogEntry entry) async {
final content = await entry.file.readAsString();
if (!mounted) return;
await Navigator.of(context).push(
MaterialPageRoute(
builder: (_) => _EntryDetailScreen(entry: entry, content: content),
),
);
}
Future<void> _confirmDelete(LogEntry entry) async {
final ok = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('Delete entry?'),
content: Text(p.basename(entry.file.path)),
actions: [
TextButton(onPressed: () => Navigator.pop(ctx, false), child: const Text('Cancel')),
FilledButton(onPressed: () => Navigator.pop(ctx, true), child: const Text('Delete')),
],
),
);
if (ok == true) {
await deleteEntry(entry.file);
_refresh();
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Entries'),
actions: [
IconButton(
tooltip: 'Refresh',
icon: const Icon(Icons.refresh),
onPressed: _refresh,
),
],
),
body: FutureBuilder<List<LogEntry>>(
future: _future,
builder: (ctx, snap) {
if (snap.connectionState != ConnectionState.done) {
return const Center(child: CircularProgressIndicator());
}
if (snap.hasError) {
return Center(child: Text('Error: ${snap.error}'));
}
final entries = snap.data ?? const [];
if (entries.isEmpty) {
return Center(
child: Padding(
padding: const EdgeInsets.all(24),
child: Text(
'No entries in $_dir',
textAlign: TextAlign.center,
),
),
);
}
return RefreshIndicator(
onRefresh: () async => _refresh(),
child: ListView.separated(
itemCount: entries.length,
separatorBuilder: (_, _) => const Divider(height: 1),
itemBuilder: (_, i) => _EntryTile(
entry: entries[i],
onTap: () => _open(entries[i]),
onLongPress: () => _confirmDelete(entries[i]),
),
),
);
},
),
);
}
}
class _EntryTile extends StatelessWidget {
const _EntryTile({required this.entry, required this.onTap, required this.onLongPress});
final LogEntry entry;
final VoidCallback onTap;
final VoidCallback onLongPress;
@override
Widget build(BuildContext context) {
return ListTile(
title: Text(_displayFormat.format(entry.timestamp)),
subtitle: FutureBuilder<String>(
future: _firstLine(entry.file),
builder: (_, snap) => Text(
snap.data ?? '',
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
onTap: onTap,
onLongPress: onLongPress,
);
}
Future<String> _firstLine(File f) async {
try {
final content = await f.readAsString();
final i = content.indexOf('\n');
return i < 0 ? content : content.substring(0, i);
} catch (_) {
return '';
}
}
}
class _EntryDetailScreen extends StatelessWidget {
const _EntryDetailScreen({required this.entry, required this.content});
final LogEntry entry;
final String content;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text(p.basename(entry.file.path))),
body: SingleChildScrollView(
padding: const EdgeInsets.all(12),
child: SelectableText(content),
),
);
}
}
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