import { BacktestEngine } from '../src/backtest/BacktestEngine';
import { StrategyManager } from '../src/strategies/StrategyManager';
import { StorageService } from '../src/services/StorageService';
import { ModeManager } from '../src/core/ModeManager';
import { MarketDataService } from '../src/services/MarketDataService';
import { ExecutionService } from '../src/services/ExecutionService';
import { IServiceContainer } from '@stock-bot/di';
import { getLogger } from '@stock-bot/logger';

const logger = getLogger('BacktestTest');

async function runBacktestWithDetailedLogging() {
  // Create service container
  const container: IServiceContainer = {
    logger,
    custom: {}
  };

  // Initialize services
  const storageService = new StorageService();
  const marketDataService = new MarketDataService(container);
  const executionService = new ExecutionService(container);
  const modeManager = new ModeManager(container);
  const strategyManager = new StrategyManager(container);

  // Set services in container
  container.custom = {
    MarketDataService: marketDataService,
    ExecutionService: executionService,
    ModeManager: modeManager,
    StorageService: storageService
  };

  // Set backtest mode
  await modeManager.setMode('backtest', {
    startTime: new Date('2020-01-01').getTime(),
    endTime: new Date('2025-01-01').getTime(),
    speedMultiplier: 1
  });

  // Create backtest engine
  const backtestEngine = new BacktestEngine(container, storageService, strategyManager);

  // Configure backtest
  const config = {
    name: 'SMA Crossover Test',
    strategy: 'sma-crossover',
    symbols: ['AAPL', 'GOOGL', 'MSFT'],
    startDate: '2020-01-01',
    endDate: '2025-01-01',
    initialCapital: 100000,
    commission: 0.001,
    slippage: 0.0001,
    dataFrequency: '1d'
  };

  logger.info('Starting backtest with configuration:', config);

  try {
    const result = await backtestEngine.runBacktest(config);
    
    logger.info('=== BACKTEST RESULTS ===');
    logger.info(`Total Trades: ${result.metrics.totalTrades}`);
    logger.info(`Win Rate: ${result.metrics.winRate.toFixed(2)}%`);
    logger.info(`Total Return: ${result.metrics.totalReturn.toFixed(2)}%`);
    logger.info(`Sharpe Ratio: ${result.metrics.sharpeRatio.toFixed(2)}`);
    logger.info(`Max Drawdown: ${result.metrics.maxDrawdown.toFixed(2)}%`);
    
    logger.info('\n=== TRADE HISTORY ===');
    result.trades.forEach((trade, i) => {
      logger.info(`Trade ${i + 1}:`);
      logger.info(`  Symbol: ${trade.symbol}`);
      logger.info(`  Entry: ${trade.entryDate} @ $${trade.entryPrice.toFixed(2)}`);
      logger.info(`  Exit: ${trade.exitDate} @ $${trade.exitPrice.toFixed(2)}`);
      logger.info(`  P&L: $${trade.pnl.toFixed(2)} (${trade.pnlPercent.toFixed(2)}%)`);
    });

  } catch (error) {
    logger.error('Backtest failed:', error);
  }
}

// Run the test
runBacktestWithDetailedLogging().catch(console.error);