Treding Forex Ai

import { describe, expect, it } from "vitest";
import { MARKET_SYMBOLS } from "../src/constants/markets";
import type { TradingSignal } from "../src/domain/types";
import { RiskManager } from "../src/services/riskManager";

describe("RiskManager", () => {
  it("rejects WAIT signal", () => {
    const manager = new RiskManager({
      accountBalance: 1000,
      riskPerTradePercent: 1,
      maxDailyLossPercent: 3,
      maxOpenTrades: 3,
      maxLotPerOrder: 1
    });

    const signal = buildSignal("WAIT");
    const decision = manager.evaluate(signal, 0, 0);

    expect(decision.accepted).toBe(false);
    expect(decision.reasons.join(" ")).toContain("WAIT");
  });

  it("creates position sizing for valid BUY signal", () => {
    const manager = new RiskManager({
      accountBalance: 1000,
      riskPerTradePercent: 1,
      maxDailyLossPercent: 3,
      maxOpenTrades: 3,
      maxLotPerOrder: 1
    });

    const decision = manager.evaluate(buildSignal("BUY"), 0, 0);

    expect(decision.accepted).toBe(true);
    expect(decision.positionSizing?.lotSize).toBeGreaterThan(0);
  });
});

function buildSignal(action: "BUY" | "SELL" | "WAIT"): TradingSignal {
  const symbol = MARKET_SYMBOLS[0];

  return {
    id: "test-signal",
    symbol,
    mode: "intraday",
    timeframe: "H1",
    action,
    confidence: action === "WAIT" ? 40 : 75,
    currentPrice: 1.085,
    trend: "Bullish terstruktur",
    entry: action === "WAIT" ? null : 1.085,
    stopLoss: action === "WAIT" ? null : 1.083,
    takeProfit1: action === "WAIT" ? null : 1.089,
    takeProfit2: action === "WAIT" ? null : 1.09,
    riskLevel: "Medium",
    riskRewardRatio: action === "WAIT" ? 0 : 2,
    reasons: ["test"],
    invalidation: "test",
    snapshot: {
      ema20: 1.086,
      ema50: 1.084,
      ema200: 1.08,
      rsi: 55,
      atr: 0.001,
      macdHistogram: 0.01,
      support: 1.08,
      resistance: 1.09,
      volatilityPercent: 0.2
    },
    createdAt: new Date().toISOString()
  };
}