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 showOrderFlow() {
  // Create service container
  const container: IServiceContainer = {
    logger: {
      info: (msg: string, ...args: any[]) => {
        // Only log order-related messages
        if (msg.includes('order') || msg.includes('Order') || msg.includes('Filling') || msg.includes('cross detected')) {
          console.log('[INFO]', msg, ...args);
        }
      },
      error: (msg: string, ...args: any[]) => console.error('[ERROR]', msg, ...args),
      warn: (msg: string, ...args: any[]) => {},
      debug: (msg: string, ...args: any[]) => {},
    } 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: '2023-07-01T00:00:00Z',
    endDate: '2023-08-01T00:00:00Z',  // Just 1 month
    speed: 'max',
    symbols: ['AAPL'],
    initialCapital: 100000,
    dataFrequency: '1d',
    strategy: 'sma-crossover'
  });

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

  // Configure backtest
  const config = {
    mode: 'backtest' as const,
    name: 'Order Flow Demo',
    strategy: 'sma-crossover',
    symbols: ['AAPL'],
    startDate: '2023-07-01T00:00:00Z',
    endDate: '2023-08-01T00:00:00Z',
    initialCapital: 100000,
    commission: 0.001,
    slippage: 0.0001,
    dataFrequency: '1d' as const,
    speed: 'max' as const
  };

  console.log('\n=== ORDER FLOW DEMONSTRATION ===\n');
  console.log('This will show the actual BUY and SELL orders being generated and executed:\n');

  try {
    const result = await backtestEngine.runBacktest(config);
    
    console.log('\n=== COMPLETED TRADES (Round-trips) ===');
    console.log('Note: Each trade below represents a BUY order (entry) + SELL order (exit):\n');
    
    result.trades.forEach((trade, i) => {
      console.log(`Trade ${i + 1}:`);
      console.log(`  Opened with: BUY order on ${trade.entryDate} @ $${trade.entryPrice.toFixed(2)}`);
      console.log(`  Closed with: SELL order on ${trade.exitDate} @ $${trade.exitPrice.toFixed(2)}`);
      console.log(`  Trade type: ${trade.side === 'buy' ? 'LONG' : 'SHORT'} position`);
      console.log(`  P&L: $${trade.pnl.toFixed(2)} (${trade.pnlPercent.toFixed(2)}%)\n`);
    });
    
    console.log('Summary:');
    console.log(`- Total completed trades: ${result.metrics.totalTrades}`);
    console.log(`- Each trade = 1 BUY order + 1 SELL order`);
    console.log(`- Total orders executed: ${result.metrics.totalTrades * 2}`);

  } catch (error) {
    console.error('Failed:', error);
  }
}

// Run the demo
showOrderFlow().catch(console.error);