Files
Finlytic/FinlyticApp/lib/features/bot/views/bot_control_panel_screen.dart

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13 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../../core/network/api_client.dart';
import '../../../core/network/signalr_service.dart';
import '../../../core/theme/app_theme.dart';
import '../bloc/bot_bloc.dart';
import '../bloc/bot_event.dart';
import '../bloc/bot_state.dart';
import '../repositories/bot_repository.dart';
import '../widgets/bot_kpi_header.dart';
import '../widgets/bot_position_card.dart';
import '../widgets/bot_settings_sheet.dart';
class BotControlPanelScreen extends StatelessWidget {
final ApiClient apiClient;
final SignalRService signalRService;
const BotControlPanelScreen({
super.key,
required this.apiClient,
required this.signalRService,
});
@override
Widget build(BuildContext context) {
return BlocProvider(
create: (context) => BotBloc(
repository: BotRepository(apiClient: apiClient),
signalRService: signalRService,
)..add(const FetchBotDashboard()),
child: const _BotControlPanelContent(),
);
}
}
class _BotControlPanelContent extends StatelessWidget {
const _BotControlPanelContent();
void _openSettings(BuildContext context, BotLoaded state) {
final botBloc = context.read<BotBloc>();
showModalBottomSheet(
context: context,
isScrollControlled: true,
backgroundColor: Colors.transparent,
builder: (ctx) => BotSettingsSheet(
currentStatus: state.status,
onSave: (autoExec, maxPos, risk, minScore) {
botBloc.add(UpdateBotConfigSettings(
autoExecutionEnabled: autoExec,
maxPositions: maxPos,
riskPerTradePercent: risk,
minCompositeScore: minScore,
));
},
onPanicClose: () {
botBloc.add(const TriggerBotPanicClose());
},
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: AppTheme.darkBackground,
appBar: AppBar(
backgroundColor: Colors.transparent,
elevation: 0,
title: const Text('FinlyticBot Control Panel', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18)),
actions: [
BlocBuilder<BotBloc, BotState>(
builder: (context, state) {
if (state is BotLoaded) {
return IconButton(
onPressed: () => _openSettings(context, state),
icon: const Icon(Icons.settings, color: Colors.white70),
tooltip: 'Bot Einstellungen & Kill-Switch',
);
}
return const SizedBox.shrink();
},
),
IconButton(
onPressed: () => context.read<BotBloc>().add(const FetchBotDashboard()),
icon: const Icon(Icons.refresh, color: Colors.white70),
tooltip: 'Neu laden',
),
],
),
body: BlocConsumer<BotBloc, BotState>(
listener: (context, state) {
if (state is BotLoaded && state.actionMessage != null) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(state.actionMessage!),
// A failed or partially-successful action (e.g. a panic-close that could not confirm every
// position was closed) must never be shown in the same "all good" green as a full success
// (Rules.md §4).
backgroundColor: state.actionIsWarning ? AppTheme.accentRed : AppTheme.primaryEmerald,
behavior: SnackBarBehavior.floating,
),
);
}
},
builder: (context, state) {
if (state is BotLoading) {
return Center(child: CircularProgressIndicator(color: AppTheme.primaryEmerald));
}
if (state is BotError) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.error_outline, size: 48, color: AppTheme.accentRed),
const SizedBox(height: 12),
Text(state.message, style: TextStyle(color: AppTheme.textMuted)),
const SizedBox(height: 16),
ElevatedButton(
onPressed: () => context.read<BotBloc>().add(const FetchBotDashboard()),
style: ElevatedButton.styleFrom(backgroundColor: AppTheme.primaryEmerald),
child: const Text('Erneut Versuchen'),
),
],
),
);
}
if (state is BotLoaded) {
final activePositions = state.positions.where((p) => p.isActive).toList();
final closedPositions = state.positions.where((p) => p.isClosed).toList();
return RefreshIndicator(
onRefresh: () async {
context.read<BotBloc>().add(const FetchBotDashboard());
},
color: AppTheme.primaryEmerald,
backgroundColor: AppTheme.cardSurface,
child: CustomScrollView(
slivers: [
SliverPadding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
sliver: SliverList(
delegate: SliverChildListDelegate([
BotKpiHeader(
summary: state.summary,
status: state.status,
totalUnrealizedPnL: state.totalUnrealizedPnL,
totalRealizedPnL: state.totalRealizedPnL,
),
const SizedBox(height: 20),
_buildAlphaDecayMonitor(state),
const SizedBox(height: 24),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Aktive Positionen (${activePositions.length}/${state.status.maxPositions})',
style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 16, color: Colors.white),
),
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(10),
color: AppTheme.primaryEmerald.withValues(alpha: 0.15),
),
child: Text(
'Risk: ${(activePositions.length * state.status.riskPerTradePercent).toStringAsFixed(1)}%',
style: TextStyle(color: AppTheme.primaryEmerald, fontSize: 11, fontWeight: FontWeight.bold),
),
),
],
),
const SizedBox(height: 12),
]),
),
),
if (activePositions.isEmpty)
SliverPadding(
padding: const EdgeInsets.symmetric(horizontal: 16),
sliver: SliverToBoxAdapter(
child: Container(
padding: const EdgeInsets.all(32),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
color: AppTheme.cardSurface.withValues(alpha: 0.5),
border: Border.all(color: Colors.white10),
),
child: Column(
children: [
Icon(Icons.radar, size: 48, color: AppTheme.textMuted),
const SizedBox(height: 12),
const Text(
'Keine aktiven Positionen',
style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 16),
),
const SizedBox(height: 4),
Text(
'Der Bot scannt das Universum nach Setup-Konfluenzen ab Score ≥ ${state.status.minCompositeScore}.',
textAlign: TextAlign.center,
style: TextStyle(color: AppTheme.textMuted, fontSize: 12),
),
],
),
),
),
)
else
SliverPadding(
padding: const EdgeInsets.symmetric(horizontal: 16),
sliver: SliverList.builder(
itemCount: activePositions.length,
itemBuilder: (context, index) {
final position = activePositions[index];
return BotPositionCard(
position: position,
onClosePressed: () {
// Manual emergency close of this specific position
},
);
},
),
),
if (closedPositions.isNotEmpty) ...[
SliverPadding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
sliver: SliverToBoxAdapter(
child: const Text(
'Kürzlich Geschlossene Trades',
style: TextStyle(fontWeight: FontWeight.bold, fontSize: 14, color: Colors.white70),
),
),
),
SliverPadding(
padding: const EdgeInsets.symmetric(horizontal: 16),
sliver: SliverList.builder(
itemCount: closedPositions.length > 5 ? 5 : closedPositions.length,
itemBuilder: (context, index) {
final position = closedPositions[index];
return Opacity(
opacity: 0.7,
child: BotPositionCard(position: position),
);
},
),
),
],
const SliverToBoxAdapter(child: SizedBox(height: 32)),
],
),
);
}
return const SizedBox.shrink();
},
),
);
}
// NOTE: This used to be an "Alpha-Decay & Strategy Reliability Monitor"
// comparing hardcoded fake "Live vs Simulation" win rates / profit factors
// per strategy (Rules.md §4 violation). There is no real data source for
// that comparison: `GET /api/v1/simulation/matrix/{isin}`
// (`StrategyAssetReliabilityDto`) only provides a simulated reliability
// score per (ISIN, StrategyKey) pair — it has no "live" counterpart, and
// this screen isn't scoped to a single asset, so there's no ISIN to query
// it with in the first place. Rather than inventing numbers, or bolting on
// an asset picker that isn't part of this task, this is now an explicit
// empty state until a real live-vs-simulation data source exists.
Widget _buildAlphaDecayMonitor(BotLoaded state) {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
color: AppTheme.cardSurface,
border: Border.all(color: Colors.white10),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Row(
children: [
Icon(Icons.analytics_outlined, size: 16, color: Colors.cyanAccent),
SizedBox(width: 6),
Text('Alpha-Decay & Strategy Reliability Monitor', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 13, color: Colors.white)),
],
),
const SizedBox(height: 12),
Row(
children: [
Icon(Icons.info_outline, size: 14, color: AppTheme.textMuted),
const SizedBox(width: 8),
Expanded(
child: Text(
'Keine Live-vs-Simulation-Daten verfügbar.',
style: TextStyle(color: AppTheme.textMuted, fontSize: 12),
),
),
],
),
],
),
);
}
}