#!/usr/bin/env bun

/**
 * Test strategy signal generation
 */

import { SimpleMovingAverageCrossover } from './src/strategies/examples/SimpleMovingAverageCrossover';
import { MarketData } from './src/types';

async function testStrategySignals() {
  console.log('Testing strategy signal generation...\n');
  
  // Create strategy with mock config
  const config = {
    id: 'test-sma',
    name: 'Test SMA Strategy',
    enabled: true,
    symbols: ['AAPL'],
    allocation: 1.0
  };
  
  const strategy = new SimpleMovingAverageCrossover(config, null, null);
  await strategy.start();
  
  // Generate 100 days of mock data with a clear trend
  const basePrice = 100;
  let price = basePrice;
  let signalCount = 0;
  
  console.log('Feeding market data to strategy...\n');
  
  for (let day = 0; day < 100; day++) {
    // Create uptrend for days 30-50, downtrend for days 60-80
    if (day >= 30 && day < 50) {
      price += 0.5; // Uptrend
    } else if (day >= 60 && day < 80) {
      price -= 0.5; // Downtrend
    } else {
      price += (Math.random() - 0.5) * 0.2; // Small random movement
    }
    
    const marketData: MarketData = {
      type: 'bar',
      data: {
        symbol: 'AAPL',
        open: price - 0.1,
        high: price + 0.2,
        low: price - 0.2,
        close: price,
        volume: 1000000,
        timestamp: Date.now() + day * 86400000
      }
    };
    
    // Listen for signals
    strategy.once('signal', (signal) => {
      signalCount++;
      console.log(`Day ${day}: Signal generated!`);
      console.log(`  Type: ${signal.type}`);
      console.log(`  Strength: ${signal.strength}`);
      console.log(`  Reason: ${signal.reason}`);
      console.log(`  Metadata:`, signal.metadata);
    });
    
    // Listen for orders
    strategy.once('order', (order) => {
      console.log(`Day ${day}: Order generated!`);
      console.log(`  Side: ${order.side}`);
      console.log(`  Quantity: ${order.quantity}`);
      console.log(`  Type: ${order.orderType}`);
    });
    
    // Process the market data
    await strategy.onMarketData(marketData);
    
    if (day % 10 === 0) {
      console.log(`Day ${day}: Price = ${price.toFixed(2)}, Total signals = ${signalCount}`);
    }
  }
  
  console.log(`\n✅ Test completed. Total signals generated: ${signalCount}`);
  
  const perf = strategy.getPerformance();
  console.log('\nStrategy Performance:', perf);
  
  await strategy.stop();
}

testStrategySignals().catch(console.error);