#!/usr/bin/env bun

/**
 * Simple backtest test without full container
 */

import { BacktestEngine } from './src/backtest/BacktestEngine';
import { StrategyManager } from './src/strategies/StrategyManager';
import { StorageService } from './src/services/StorageService';
import { getLogger } from '@stock-bot/logger';

async function runSimpleBacktest() {
  console.log('Running simple backtest test...\n');
  
  // Create minimal container
  const logger = getLogger('test');
  const container = {
    logger,
    custom: {}
  };
  
  // Create services
  const storageService = new StorageService(container as any);
  const strategyManager = new StrategyManager(container as any);
  
  // Initialize strategy
  await strategyManager.initializeStrategies([{
    id: 'test-sma',
    name: 'sma-crossover',
    enabled: true,
    symbols: ['AAPL'],
    allocation: 1.0
  }]);
  
  // Create backtest engine
  const backtestEngine = new BacktestEngine(container as any, storageService, strategyManager);
  
  const config = {
    mode: 'backtest',
    name: 'Simple SMA Test',
    strategy: 'sma-crossover',
    symbols: ['AAPL'],
    startDate: '2023-01-01T00:00:00Z',
    endDate: '2023-03-01T00:00:00Z',  // Just 2 months
    initialCapital: 100000,
    dataFrequency: '1d',
    commission: 0.001,
    slippage: 0.0001
  };
  
  try {
    const result = await backtestEngine.runBacktest(config);
    
    console.log('\nBacktest Results:');
    console.log(`Total Return: ${result.metrics.totalReturn.toFixed(2)}%`);
    console.log(`Total Trades: ${result.metrics.totalTrades}`);
    console.log(`Trades in history: ${result.trades.length}`);
    console.log(`Win Rate: ${result.metrics.winRate.toFixed(2)}%`);
    
    console.log('\nTrade Details:');
    result.trades.forEach((trade, i) => {
      console.log(`Trade ${i + 1}: ${trade.side} ${trade.quantity} @ $${trade.entryPrice.toFixed(2)} -> $${trade.exitPrice.toFixed(2)} (P&L: $${trade.pnl.toFixed(2)})`);
    });
    
  } catch (error) {
    console.error('Backtest failed:', error);
  }
}

runSimpleBacktest().catch(console.error);