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 testFullBacktest() {
  console.log('Testing Full Backtest with Real Data...\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 configuration matching what frontend might send
  const config = {
    mode: 'backtest',
    name: 'Full Test',
    strategy: 'sma-crossover',
    symbols: ['AAPL', 'MSFT', 'GOOGL'], // Multiple symbols
    startDate: '2023-01-01T00:00:00Z',
    endDate: '2023-12-31T00:00:00Z', // Full year
    initialCapital: 100000,
    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 full year backtest with multiple symbols...');
  const startTime = Date.now();
  
  try {
    const result = await backtestEngine.runBacktest(config);
    
    const duration = (Date.now() - startTime) / 1000;
    console.log(`\nBacktest completed in ${duration.toFixed(2)} seconds`);
    
    // Check for data anomalies
    console.log('\n=== RESULT ANALYSIS ===');
    console.log(`Total Return: ${result.metrics.totalReturn.toFixed(2)}%`);
    console.log(`Sharpe Ratio: ${result.metrics.sharpeRatio.toFixed(3)}`);
    console.log(`Max Drawdown: ${(result.metrics.maxDrawdown * 100).toFixed(2)}%`);
    console.log(`Win Rate: ${result.metrics.winRate.toFixed(1)}%`);
    console.log(`Total Trades: ${result.metrics.totalTrades}`);
    console.log(`Trades Array Length: ${result.trades.length}`);
    
    // Check equity curve
    console.log('\n=== EQUITY CURVE CHECK ===');
    console.log(`Equity Points: ${result.equity.length}`);
    if (result.equity.length > 0) {
      const first = result.equity[0];
      const last = result.equity[result.equity.length - 1];
      const max = Math.max(...result.equity.map(e => e.value));
      const min = Math.min(...result.equity.map(e => e.value));
      
      console.log(`First: $${first.value.toFixed(2)}`);
      console.log(`Last: $${last.value.toFixed(2)}`);
      console.log(`Max: $${max.toFixed(2)}`);
      console.log(`Min: $${min.toFixed(2)}`);
      
      // Check for exponential growth
      const growthRatio = last.value / first.value;
      if (growthRatio > 10) {
        console.log('\n⚠️  WARNING: Detected possible exponential growth!');
        console.log(`Growth ratio: ${growthRatio.toFixed(2)}x`);
      }
    }
    
    // Sample some trades
    console.log('\n=== TRADE SAMPLES ===');
    if (result.trades.length > 0) {
      console.log('First 3 trades:');
      result.trades.slice(0, 3).forEach((t, i) => {
        console.log(`  ${i+1}. ${t.symbol} ${t.side} ${t.quantity} @ ${t.exitPrice.toFixed(2)} | P&L: $${t.pnl.toFixed(2)} (${t.pnlPercent.toFixed(2)}%)`);
      });
      
      if (result.trades.length > 3) {
        console.log('\nLast 3 trades:');
        result.trades.slice(-3).forEach((t, i) => {
          console.log(`  ${i+1}. ${t.symbol} ${t.side} ${t.quantity} @ ${t.exitPrice.toFixed(2)} | P&L: $${t.pnl.toFixed(2)} (${t.pnlPercent.toFixed(2)}%)`);
        });
      }
    }
    
    // Check raw metrics object
    console.log('\n=== RAW METRICS ===');
    console.log(JSON.stringify(result.metrics, null, 2));
    
  } catch (error) {
    console.error('Backtest failed:', error);
  }
  
  console.log('\n=== TEST COMPLETE ===');
  process.exit(0);
}

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