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 testEquitySpike() {
  console.log('Testing equity curve spike fix...\n');
  
  // Create minimal 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
  };

  // Initialize backtest mode
  await modeManager.initializeMode({
    mode: 'backtest',
    startDate: '2023-01-01T00:00:00Z',
    endDate: '2023-01-10T00:00:00Z',  // Just 10 days
    speed: 'max',
    symbols: ['TEST'],
    initialCapital: 100000,
    dataFrequency: '1d',
    strategy: 'sma-crossover'
  });

  // Create backtest engine
  const backtestEngine = new BacktestEngine(container, storageService, strategyManager);
  
  // Run backtest
  const config = {
    mode: 'backtest',
    name: 'Equity Spike Test',
    strategy: 'sma-crossover',
    symbols: ['TEST'],
    startDate: '2023-01-01T00:00:00Z',
    endDate: '2023-01-10T00:00:00Z',
    initialCapital: 100000,
    commission: 0.001,
    slippage: 0.0001,
    dataFrequency: '1d',
    speed: 'max'
  };
  
  console.log('Running backtest...');
  const result = await backtestEngine.runBacktest(config);
  
  // Analyze equity curve
  console.log('\n=== EQUITY CURVE ANALYSIS ===');
  console.log(`Initial Capital: $${config.initialCapital.toLocaleString()}`);
  console.log(`Equity points: ${result.equity.length}`);
  
  if (result.equity.length > 0) {
    console.log('\nFirst 3 equity points:');
    result.equity.slice(0, 3).forEach((point, i) => {
      console.log(`  ${i + 1}. ${point.date} => $${point.value.toFixed(2)}`);
    });
    
    const firstValue = result.equity[0].value;
    const hasSpike = firstValue === 0 || firstValue < config.initialCapital * 0.9;
    
    console.log(`\nFirst value: $${firstValue.toFixed(2)}`);
    console.log(`Expected: $${config.initialCapital.toFixed(2)}`);
    console.log(`Difference: $${Math.abs(firstValue - config.initialCapital).toFixed(2)}`);
    
    if (hasSpike) {
      console.log('\n❌ SPIKE DETECTED! Portfolio value starts at 0 or too low.');
    } else if (Math.abs(firstValue - config.initialCapital) < 1) {
      console.log('\n✅ SUCCESS! Portfolio value correctly starts at initial capital.');
    } else {
      console.log('\n⚠️  WARNING: Small difference detected, but no major spike.');
    }
  }
  
  console.log('\n=== TEST COMPLETE ===');
  process.exit(0);
}

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