Sviluppo TradingBot

DesktopBot/ViewModels/BotsManagerViewModel.cs

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+using System;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using Alpaca.Markets;
+using DesktopBot.Engine;
+using DesktopBot.Models;
+using DesktopBot.Services;
+
+namespace DesktopBot.ViewModels
+{
+    /// <summary>
+    /// ViewModel del pannello Bot Manager.
+    /// Contiene un unico bot BTC/USD fisso, precaricato all'avvio.
+    /// L'utente può soltanto avviarlo e fermarlo.
+    /// </summary>
+    public class BotsManagerViewModel : BaseViewModel
+    {
+        private readonly ITradingService _tradingService;
+
+        // ── Collezione (sempre 1 elemento: il bot BTC/USD fisso) ─────────────
+        public ObservableCollection<BotInstanceViewModel> Bots { get; }
+            = new ObservableCollection<BotInstanceViewModel>();
+
+        /// <summary>Shortcut diretto al bot fisso BTC/USD.</summary>
+        public BotInstanceViewModel BtcBot => Bots.FirstOrDefault();
+
+        // ── Grafico prezzi BTC/USD ─────────────────────────────────────────
+        public PriceChartViewModel ChartVM { get; }
+
+        // ── Stato UI ─────────────────────────────────────────────────────────
+        private string _statusMessage;
+        public string StatusMessage
+        {
+            get => _statusMessage;
+            set => SetProperty(ref _statusMessage, value);
+        }
+
+        // ── Comandi ──────────────────────────────────────────────────────────
+        public ICommand StartBotCommand { get; }
+        public ICommand StopBotCommand  { get; }
+        public ICommand SaveAllCommand  { get; }
+
+        // ── Ctor ─────────────────────────────────────────────────────────────
+        public BotsManagerViewModel(ITradingService tradingService)
+        {
+            _tradingService = tradingService ?? throw new ArgumentNullException(nameof(tradingService));
+
+            ChartVM = new PriceChartViewModel(tradingService);
+
+            StartBotCommand = new RelayCommand(_ => BtcBot?.StartBot(), _ => BtcBot != null && !BtcBot.IsRunning);
+            StopBotCommand  = new RelayCommand(_ => BtcBot?.ForceStop(), _ => BtcBot != null && BtcBot.IsRunning);
+            SaveAllCommand  = new RelayCommand(_ => SaveAll());
+
+            EnsureBtcBotExists();
+
+            // Avvia streaming grafico in background
+            _ = ChartVM.StartStreamingAsync();
+        }
+
+        // ── Preload bot BTC/USD fisso ─────────────────────────────────────────
+        private void EnsureBtcBotExists()
+        {
+            // Tenta di caricare da disco
+            var saved = BotInstanceStore.Load();
+            var btcModel = saved.FirstOrDefault(m =>
+                string.Equals(m.Symbol, "BTCUSD", StringComparison.OrdinalIgnoreCase));
+
+            if (btcModel == null)
+            {
+                // Prima esecuzione: crea il bot BTC/USD con parametri ottimali
+                btcModel = CreateBtcUsdBot();
+                BotInstanceStore.Save(new[] { btcModel });
+            }
+
+            var vm = new BotInstanceViewModel(btcModel, _tradingService);
+            // Il bot fisso non può essere rimosso — ignoriamo RemoveRequested
+            Bots.Add(vm);
+            StatusMessage = "Bot BTC/USD caricato — pronto all'avvio.";
+        }
+
+        private static BotInstance CreateBtcUsdBot()
+        {
+            var config = new BotConfiguration
+            {
+                Symbol               = "BTCUSD",
+                Quantity             = 1,
+                CheckIntervalSeconds = 60,
+                AnalysisTimeFrame    = BarTimeFrame.Minute,
+                HistoricalBarCount   = 200,
+
+                // EMA ottimizzate per 1min BTC
+                FastEmaPeriod        = 5,
+                SlowEmaPeriod        = 20,
+
+                // RSI
+                RsiPeriod            = 14,
+                RsiOversoldThreshold  = 30,
+                RsiOverboughtThreshold = 70,
+
+                // MACD
+                MacdFastPeriod       = 8,
+                MacdSlowPeriod       = 21,
+                MacdSignalPeriod     = 5,
+
+                // Keltner / RVOL
+                KeltnerPeriod        = 20,
+                KeltnerMultiplier    = 2.0m,
+                RvolMinThreshold     = 2.0m,
+                AtrStopMultiplier    = 1.5m,
+
+                // Kalman
+                KalmanDelta          = 5e-6,
+                KalmanObservationVariance = 1.0,
+                KalmanEntryZScore    = 1.8,
+                KalmanExitZScore     = 0.3,
+
+                // Risk
+                StopLossPercentage   = 0.02m,
+                TakeProfitPercentage = 0.04m,
+                MaxPositionSizePercent = 0.10m,
+
+                // Algoritmo BTC/USD avanzato (dispatch automatico nell'engine)
+                Strategy             = TradingStrategy.VOLATILITY_BREAKOUT,
+                RecommendedStrategy  = TradingStrategy.VOLATILITY_BREAKOUT,
+                IsLocked             = true,
+                LockedAt             = DateTime.Now
+            };
+
+            var model = new BotInstance
+            {
+                Name       = "BTC/USD — Algoritmo Avanzato",
+                BadgeColor = "#F7931A",   // arancione Bitcoin
+                Config     = config,
+                Notes      = "Bot predefinito BTC/USD. Algoritmo multi-segnale: Regime Detector + Kalman + ATR Sizing.",
+                CreatedAt  = DateTime.Now,
+                IsEnabled  = true
+            };
+
+            // Blocca asset e config (bot fisso)
+            model.Symbol    = "BTCUSD";
+            model.AssetName = "Bitcoin / US Dollar";
+            model.AssetClass = "crypto";
+            model.LockToAsset();
+
+            return model;
+        }
+
+        // ── Persistenza ──────────────────────────────────────────────────────
+        public void SaveAll()
+        {
+            BotInstanceStore.Save(Bots.Select(vm => vm.Model));
+            StatusMessage = $"Salvato — {DateTime.Now:HH:mm:ss}";
+        }
+
+        // ── Start / Stop esposto ai comandi ───────────────────────────────────
+        private async Task StartAllAsync()
+        {
+            if (BtcBot != null && !BtcBot.IsRunning)
+                BtcBot.StartBot();
+            await Task.CompletedTask;
+        }
+
+        private void StopAll()
+        {
+            if (BtcBot?.IsRunning == true)
+                BtcBot.ForceStop();
+            StatusMessage = "Bot fermato.";
+        }
+    }
+}
+