messy work. backtests / mock-data

apps/stock/web-app/src/features/backtest/services/backtestApi.ts

@@ -0,0 +1,119 @@
+const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || 'http://localhost:2003';
+
+export interface BacktestRequest {
+  strategy: string;
+  symbols: string[];
+  startDate: string;
+  endDate: string;
+  initialCapital: number;
+  config?: Record<string, any>;
+}
+
+export interface BacktestJob {
+  id: string;
+  status: 'pending' | 'running' | 'completed' | 'failed' | 'cancelled';
+  strategy: string;
+  symbols: string[];
+  startDate: string;
+  endDate: string;
+  initialCapital: number;
+  config: Record<string, any>;
+  createdAt: string;
+  updatedAt: string;
+  error?: string;
+}
+
+export interface BacktestResult {
+  backtestId: string;
+  metrics: {
+    totalReturn: number;
+    sharpeRatio: number;
+    maxDrawdown: number;
+    winRate: number;
+    totalTrades: number;
+    profitFactor?: number;
+  };
+  equity: Array<{ date: string; value: number }>;
+  trades?: Array<{
+    symbol: string;
+    entryDate: string;
+    exitDate: string;
+    entryPrice: number;
+    exitPrice: number;
+    quantity: number;
+    pnl: number;
+  }>;
+  ohlcData?: Record<string, Array<{
+    time: number;
+    open: number;
+    high: number;
+    low: number;
+    close: number;
+    volume?: number;
+  }>>;
+}
+
+export const backtestApi = {
+  // Create a new backtest
+  async createBacktest(request: BacktestRequest): Promise<BacktestJob> {
+    const response = await fetch(`${API_BASE_URL}/api/backtests`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(request),
+    });
+
+    if (!response.ok) {
+      throw new Error(`Failed to create backtest: ${response.statusText}`);
+    }
+
+    return response.json();
+  },
+
+  // Get backtest status
+  async getBacktest(id: string): Promise<BacktestJob> {
+    const response = await fetch(`${API_BASE_URL}/api/backtests/${id}`);
+
+    if (!response.ok) {
+      throw new Error(`Failed to get backtest: ${response.statusText}`);
+    }
+
+    return response.json();
+  },
+
+  // Get backtest results
+  async getBacktestResults(id: string): Promise<BacktestResult> {
+    const response = await fetch(`${API_BASE_URL}/api/backtests/${id}/results`);
+
+    if (!response.ok) {
+      throw new Error(`Failed to get results: ${response.statusText}`);
+    }
+
+    return response.json();
+  },
+
+  // List all backtests
+  async listBacktests(limit = 50, offset = 0): Promise<BacktestJob[]> {
+    const response = await fetch(
+      `${API_BASE_URL}/api/backtests?limit=${limit}&offset=${offset}`
+    );
+
+    if (!response.ok) {
+      throw new Error(`Failed to list backtests: ${response.statusText}`);
+    }
+
+    return response.json();
+  },
+
+  // Cancel a running backtest
+  async cancelBacktest(id: string): Promise<void> {
+    const response = await fetch(`${API_BASE_URL}/api/backtests/${id}/cancel`, {
+      method: 'POST',
+    });
+
+    if (!response.ok) {
+      throw new Error(`Failed to cancel backtest: ${response.statusText}`);
+    }
+  },
+};