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';

async function testInitialCapital() {
  console.log('Testing Initial Capital Issue...\n');
  
  // Create service container
  const container: IServiceContainer = {
    logger: {
      info: (msg: string, ...args: any[]) => console.log('[INFO]', msg, ...args),
      error: (msg: string, ...args: any[]) => console.error('[ERROR]', msg, ...args),
      warn: (msg: string, ...args: any[]) => console.warn('[WARN]', msg, ...args),
      debug: (msg: string, ...args: any[]) => console.log('[DEBUG]', msg, ...args),
    } as any,
    custom: {}
  };

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

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

  // Test with LOW initial capital
  const config = {
    mode: 'backtest',
    name: 'Initial Capital Test',
    strategy: 'sma-crossover',
    symbols: ['AAPL'],
    startDate: '2023-01-01T00:00:00Z',
    endDate: '2023-01-31T00:00:00Z', // Just one month
    initialCapital: 1000, // LOW CAPITAL
    commission: 0.001,
    slippage: 0.0001,
    dataFrequency: '1d',
    speed: 'max'
  };
  
  // Initialize backtest mode
  await modeManager.initializeMode(config);

  // Create backtest engine
  const backtestEngine = new BacktestEngine(container, storageService, strategyManager);
  
  console.log('Running backtest with initial capital: $' + config.initialCapital);
  
  try {
    const result = await backtestEngine.runBacktest(config);
    
    console.log('\n=== RESULTS ===');
    console.log(`Initial Capital: $${config.initialCapital}`);
    console.log(`Final Value: $${result.equity[result.equity.length - 1].value.toFixed(2)}`);
    console.log(`Total Return: ${result.metrics.totalReturn.toFixed(2)}%`);
    console.log(`Total Trades: ${result.metrics.totalTrades}`);
    
    // Check if portfolio grew from 1000
    const finalValue = result.equity[result.equity.length - 1].value;
    const expectedRange = config.initialCapital * 0.5; // Within 50% of initial
    
    if (Math.abs(finalValue - config.initialCapital) > expectedRange && 
        Math.abs(finalValue - 100000) < expectedRange) {
      console.log('\n⚠️  WARNING: Portfolio appears to be using 100000 as initial capital!');
    } else {
      console.log('\n✅ Portfolio appears to be using correct initial capital');
    }
    
    // Check first few trades
    if (result.trades.length > 0) {
      console.log('\nFirst trade:');
      const t = result.trades[0];
      console.log(`  ${t.symbol} ${t.side} ${t.quantity} shares @ $${t.entryPrice}`);
      console.log(`  Trade value: $${(t.quantity * t.entryPrice).toFixed(2)}`);
      
      if (t.quantity * t.entryPrice > config.initialCapital) {
        console.log('  ⚠️  WARNING: Trade size exceeds initial capital!');
      }
    }
    
  } catch (error) {
    console.error('Backtest failed:', error);
  }
  
  console.log('\n=== TEST COMPLETE ===');
  process.exit(0);
}

testInitialCapital().catch(error => {
  console.error('Test failed:', error);
  process.exit(1);
});