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Finlytic/FinlyticApp/lib/features/trades/widgets/trade_execution_dialog.dart
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18 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../../core/theme/app_theme.dart';
import '../../../core/network/api_client.dart';
import '../../asset_detail/repositories/asset_repository.dart';
import '../models/trade_model.dart';
import '../models/trade_acceptance_dto.dart';
import 'trade_execution_ai_plan_card.dart';
class TradeExecutionDialog {
static const double _defaultPositionSize = 1000.0;
static const double _defaultLeverage = 1.0;
static const List<String> _allowedInstruments = ['Stock', 'KnockOut', 'Option', 'CFD', 'Crypto'];
static String _normalizeInstrumentType(String raw) {
final clean = raw.toLowerCase().trim();
if (clean.contains('knock') || clean.contains('zertifikat') || clean.contains('turbo')) {
return 'KnockOut';
}
if (clean.contains('option')) {
return 'Option';
}
if (clean.contains('cfd')) {
return 'CFD';
}
if (clean.contains('crypto') || clean.contains('krypto')) {
return 'Crypto';
}
if (clean.contains('stock') || clean.contains('aktie') || clean.contains('etf')) {
return 'Stock';
}
return 'KnockOut';
}
static void show(
BuildContext context, {
required TradeModel trade,
required String defaultSymbol,
bool isActive = false,
required Function(TradeAcceptanceDto dto) onAccept,
Function(String tradeId)? onReject,
}) {
final initEntry = trade.actualEntryPrice > 0 ? trade.actualEntryPrice : (trade.entryPrice > 0 ? trade.entryPrice : 100.0);
final initPos = trade.positionSize > 0 ? trade.positionSize : _defaultPositionSize;
final initLev = trade.leverageUsed > 0 ? trade.leverageUsed : _defaultLeverage;
final calcQty = (initEntry > 0 && initPos > 0) ? (initPos / initEntry) : 10.0;
final initQty = trade.quantity > 0 ? trade.quantity : calcQty;
final actualEntryController = TextEditingController(text: initEntry.toStringAsFixed(2));
final positionSizeController = TextEditingController(text: initPos.toStringAsFixed(2));
final leverageController = TextEditingController(text: initLev.toStringAsFixed(1));
final quantityController = TextEditingController(text: initQty.toStringAsFixed(4));
final entryFeeController = TextEditingController(text: trade.entryFee.toStringAsFixed(2));
final exitFeeController = TextEditingController(text: trade.exitFee.toStringAsFixed(2));
final slController = TextEditingController(text: trade.stopLoss.toString());
final tpController = TextEditingController(text: trade.takeProfit.toString());
final derivativeIsinController = TextEditingController(text: trade.derivativeIsin);
String selectedInstrumentType = _normalizeInstrumentType(
trade.instrumentType.isNotEmpty ? trade.instrumentType : 'KnockOut',
);
bool isFetchingDerivativePrice = false;
void recalculateQuantity() {
final entryStr = actualEntryController.text.replaceAll(',', '.').trim();
final posStr = positionSizeController.text.replaceAll(',', '.').trim();
final entry = double.tryParse(entryStr) ?? 0.0;
final posSize = double.tryParse(posStr) ?? 0.0;
if (entry > 0 && posSize > 0) {
final q = posSize / entry;
quantityController.text = q.toStringAsFixed(4);
}
}
TradeAcceptanceDto buildDto() {
final isinVal = trade.isin.isNotEmpty ? trade.isin : (trade.symbol.isNotEmpty ? trade.symbol : defaultSymbol);
final symbolVal = trade.symbol.isNotEmpty ? trade.symbol : defaultSymbol;
double parseNum(String text, double fallback) {
final clean = text.replaceAll(',', '.').trim();
return double.tryParse(clean) ?? fallback;
}
return TradeAcceptanceDto(
userId: trade.userId,
tradeId: trade.id,
analysisId: trade.analysisId,
isin: isinVal,
symbol: symbolVal,
actualEntryPrice: parseNum(actualEntryController.text, trade.actualEntryPrice > 0 ? trade.actualEntryPrice : trade.entryPrice),
positionSize: parseNum(positionSizeController.text, trade.positionSize > 0 ? trade.positionSize : 1000.0),
leverageUsed: parseNum(leverageController.text, trade.leverageUsed > 0 ? trade.leverageUsed : 1.0),
entryFee: parseNum(entryFeeController.text, trade.entryFee),
exitFee: parseNum(exitFeeController.text, trade.exitFee),
quantity: parseNum(quantityController.text, trade.quantity),
executionTimestamp: DateTime.now().toUtc(),
signalType: trade.signalType,
entryPrice: trade.entryPrice,
stopLoss: parseNum(slController.text, trade.stopLoss),
takeProfit: parseNum(tpController.text, trade.takeProfit),
instrumentType: selectedInstrumentType,
derivativeIsin: derivativeIsinController.text.trim(),
timeframe: trade.timeframe,
reasoning: trade.reasoning,
);
}
Future<void> fetchDerivativePrice(StateSetter setModalState, String inputIsin) async {
final cleanIsin = inputIsin.trim().toUpperCase();
if (cleanIsin.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Bitte gib eine gültige Derivat/Knock-Out ISIN ein.'), backgroundColor: Colors.amber, behavior: SnackBarBehavior.floating),
);
return;
}
setModalState(() => isFetchingDerivativePrice = true);
try {
final apiClient = context.read<ApiClient>();
final assetRepo = AssetRepository(apiClient: apiClient);
final technicals = await assetRepo.getAssetTechnical(cleanIsin, true);
double? fetchedPrice;
if (technicals != null) {
if (technicals.candles.isNotEmpty) {
fetchedPrice = technicals.candles.last.close;
} else if (technicals.currentPrice != null && technicals.currentPrice! > 0) {
fetchedPrice = technicals.currentPrice;
}
}
if (fetchedPrice != null && fetchedPrice > 0) {
actualEntryController.text = fetchedPrice.toStringAsFixed(2);
recalculateQuantity();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Live-Kurs für Derivat $cleanIsin abgerufen: €${fetchedPrice.toStringAsFixed(2)}'),
backgroundColor: AppTheme.primaryEmerald,
behavior: SnackBarBehavior.floating,
),
);
} else {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Kein Kurs für Derivat ISIN $cleanIsin gefunden.'), backgroundColor: Colors.amber, behavior: SnackBarBehavior.floating),
);
}
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Fehler beim Abrufen des Kurses für $cleanIsin: $e'), backgroundColor: AppTheme.accentRed, behavior: SnackBarBehavior.floating),
);
} finally {
setModalState(() => isFetchingDerivativePrice = false);
}
}
actualEntryController.addListener(recalculateQuantity);
positionSizeController.addListener(recalculateQuantity);
showDialog(
context: context,
builder: (dialogContext) {
return StatefulBuilder(
builder: (stfContext, setModalState) {
final isKnockout = selectedInstrumentType.toLowerCase().contains('knock') ||
selectedInstrumentType.toLowerCase().contains('zertifikat') ||
selectedInstrumentType.toLowerCase().contains('option') ||
selectedInstrumentType.toLowerCase().contains('cfd');
final safeInstrumentValue = _allowedInstruments.contains(selectedInstrumentType) ? selectedInstrumentType : 'KnockOut';
return AlertDialog(
backgroundColor: AppTheme.cardSurface,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16), side: BorderSide(color: AppTheme.glassBorder)),
title: Row(
children: [
Icon(isActive ? Icons.tune : Icons.edit_note_outlined, color: AppTheme.primaryEmerald, size: 22),
const SizedBox(width: 8),
Expanded(
child: Text(
isActive ? 'Einstellungen für Trade #${trade.id}' : 'Trade-Ausführung & Parameter',
style: const TextStyle(color: Colors.white, fontSize: 16, fontWeight: FontWeight.bold),
),
),
],
),
content: SizedBox(
width: 580,
child: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Trade-ID: ${trade.id} | Symbol/ISIN: ${trade.symbol.isNotEmpty ? trade.symbol : defaultSymbol}', style: TextStyle(color: AppTheme.textSecondary, fontSize: 12)),
const SizedBox(height: 12),
TradeExecutionAiPlanCard(trade: trade),
const SizedBox(height: 16),
const Text('Ihre Ausführungsdaten für das Depot:', style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 14)),
const SizedBox(height: 10),
DropdownButtonFormField<String>(
initialValue: safeInstrumentValue,
dropdownColor: AppTheme.cardSurface,
decoration: const InputDecoration(labelText: 'Finanzinstrument Typ', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
items: const [
DropdownMenuItem(value: 'Stock', child: Text('Aktie / ETF (Direktinvestment)', style: TextStyle(color: Colors.white, fontSize: 13))),
DropdownMenuItem(value: 'KnockOut', child: Text('Knock-Out Zertifikat', style: TextStyle(color: Colors.white, fontSize: 13))),
DropdownMenuItem(value: 'Option', child: Text('Optionsschein / Derivat', style: TextStyle(color: Colors.white, fontSize: 13))),
DropdownMenuItem(value: 'CFD', child: Text('CFD (Hebel-Derivat)', style: TextStyle(color: Colors.white, fontSize: 13))),
DropdownMenuItem(value: 'Crypto', child: Text('Krypto', style: TextStyle(color: Colors.white, fontSize: 13))),
],
onChanged: (val) {
if (val != null) setModalState(() => selectedInstrumentType = val);
},
),
const SizedBox(height: 10),
if (isKnockout) ...[
Row(
children: [
Expanded(
child: TextField(
controller: derivativeIsinController,
decoration: const InputDecoration(labelText: 'Knock-Out / Derivat ISIN (z.B. DE000...)', hintText: 'ISIN des Hebels eingeben...', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
const SizedBox(width: 8),
ElevatedButton.icon(
onPressed: isFetchingDerivativePrice ? null : () => fetchDerivativePrice(setModalState, derivativeIsinController.text),
icon: isFetchingDerivativePrice
? const SizedBox(width: 14, height: 14, child: CircularProgressIndicator(strokeWidth: 2, color: Colors.black))
: const Icon(Icons.bolt, size: 16),
label: const Text('tr_GetPrice'),
style: ElevatedButton.styleFrom(backgroundColor: AppTheme.accentCyan, foregroundColor: Colors.black, padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12)),
),
],
),
const SizedBox(height: 10),
],
Row(
children: [
Expanded(
child: TextField(
controller: actualEntryController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Tatsächlicher Einstiegskurs (€)', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
const SizedBox(width: 8),
Expanded(
child: TextField(
controller: positionSizeController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Investitionsvolumen (€)', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
],
),
const SizedBox(height: 10),
Row(
children: [
Expanded(
child: TextField(
controller: leverageController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Genutzter Hebel (x)', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
const SizedBox(width: 8),
Expanded(
child: TextField(
controller: quantityController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Stückzahl (Invest. / Einstieg)', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
],
),
const SizedBox(height: 10),
Row(
children: [
Expanded(
child: TextField(
controller: entryFeeController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Einstiegsgebühr (€)', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
const SizedBox(width: 8),
Expanded(
child: TextField(
controller: exitFeeController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Ausstiegsgebühr (€)', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
],
),
const SizedBox(height: 10),
Row(
children: [
Expanded(
child: TextField(
controller: slController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Stop-Loss (€)', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
const SizedBox(width: 8),
Expanded(
child: TextField(
controller: tpController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Take-Profit (€)', contentPadding: EdgeInsets.symmetric(horizontal: 10, vertical: 8)),
),
),
],
),
],
),
),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(dialogContext),
child: Text('Abbrechen', style: TextStyle(color: AppTheme.textMuted)),
),
if (!isActive && onReject != null)
OutlinedButton.icon(
onPressed: () {
onReject(trade.id);
Navigator.pop(dialogContext);
},
icon: Icon(Icons.cancel, color: AppTheme.accentRed, size: 16),
label: Text('Trade Ablehnen', style: TextStyle(color: AppTheme.accentRed)),
style: OutlinedButton.styleFrom(side: BorderSide(color: AppTheme.accentRed)),
),
if (!isActive && onReject != null) const SizedBox(width: 8),
ElevatedButton.icon(
onPressed: () {
final dto = buildDto();
onAccept(dto);
Navigator.of(dialogContext).pop();
},
icon: Icon(isActive ? Icons.save : Icons.check_circle, size: 16),
label: Text(isActive ? 'Einstellungen Speichern' : 'Trade Annehmen & Ausführen'),
style: ElevatedButton.styleFrom(
backgroundColor: isActive ? AppTheme.accentCyan : AppTheme.primaryEmerald,
foregroundColor: Colors.black,
),
),
],
);
},
);
},
);
}
}