#!/usr/bin/env bun

/**
 * Quick test of backtest with fixed order execution
 */

import { createContainer } from './src/simple-container';
import { BacktestEngine } from './src/backtest/BacktestEngine';

async function runQuickBacktest() {
  const container = await createContainer();
  
  const backtestEngine = container.resolve('backtestEngine') as BacktestEngine;
  
  const config = {
    name: 'Quick SMA Test',
    strategy: 'sma-crossover',
    symbols: ['AAPL'],
    startDate: '2020-01-01',
    endDate: '2021-01-01',  // Just 1 year for quick test
    initialCapital: 100000,
    dataFrequency: '1d',
    commission: 0.001,
    slippage: 0.0001
  };
  
  console.log('Running quick backtest...\n');
  
  try {
    const result = await backtestEngine.runBacktest(config);
    
    console.log('Backtest Results:');
    console.log(`Total Return: ${result.metrics.totalReturn.toFixed(2)}%`);
    console.log(`Total Trades: ${result.metrics.totalTrades}`);
    console.log(`Win Rate: ${result.metrics.winRate.toFixed(2)}%`);
    console.log(`Sharpe Ratio: ${result.metrics.sharpeRatio.toFixed(2)}`);
    console.log(`Max Drawdown: ${result.metrics.maxDrawdown.toFixed(2)}%`);
    console.log('\nTrade History:');
    console.log(`Trades in history: ${result.trades.length}`);
    
    result.trades.slice(0, 5).forEach(trade => {
      console.log(`- ${trade.side} ${trade.quantity} @ $${trade.entryPrice} -> $${trade.exitPrice} (${trade.pnlPercent.toFixed(2)}%)`);
    });
    
    if (result.trades.length > 5) {
      console.log(`... and ${result.trades.length - 5} more trades`);
    }
    
  } catch (error) {
    console.error('Backtest failed:', error);
  }
}

runQuickBacktest().catch(console.error);