import { serve } from '@hono/node-server';
import { Hono } from 'hono';
import { config } from '@stock-bot/config';
import { getLogger } from '@stock-bot/logger';

const app = new Hono();
const logger = getLogger('portfolio-service');
// Health check endpoint
app.get('/health', c => {
  return c.json({
    status: 'healthy',
    service: 'portfolio-service',
    timestamp: new Date().toISOString(),
  });
});

// Portfolio endpoints
app.get('/portfolio/overview', async c => {
  try {
    // TODO: Get portfolio overview
    return c.json({
      totalValue: 125000,
      totalReturn: 25000,
      totalReturnPercent: 25.0,
      dayChange: 1250,
      dayChangePercent: 1.0,
      positions: [],
    });
  } catch (error) {
    logger.error('Failed to get portfolio overview', error);
    return c.json({ error: 'Failed to get portfolio overview' }, 500);
  }
});

app.get('/portfolio/positions', async c => {
  try {
    // TODO: Get current positions
    return c.json([
      {
        symbol: 'AAPL',
        quantity: 100,
        averagePrice: 150.0,
        currentPrice: 155.0,
        marketValue: 15500,
        unrealizedPnL: 500,
        unrealizedPnLPercent: 3.33,
      },
    ]);
  } catch (error) {
    logger.error('Failed to get positions', error);
    return c.json({ error: 'Failed to get positions' }, 500);
  }
});

app.get('/portfolio/history', async c => {
  const days = c.req.query('days') || '30';

  try {
    // TODO: Get portfolio history
    return c.json({
      period: `${days} days`,
      data: [],
    });
  } catch (error) {
    logger.error('Failed to get portfolio history', error);
    return c.json({ error: 'Failed to get portfolio history' }, 500);
  }
});

// Performance analytics endpoints
app.get('/analytics/performance', async c => {
  const period = c.req.query('period') || '1M';

  try {
    // TODO: Calculate performance metrics
    return c.json({
      period,
      totalReturn: 0.25,
      annualizedReturn: 0.3,
      sharpeRatio: 1.5,
      maxDrawdown: 0.05,
      volatility: 0.15,
      beta: 1.1,
      alpha: 0.02,
    });
  } catch (error) {
    logger.error('Failed to get performance analytics', error);
    return c.json({ error: 'Failed to get performance analytics' }, 500);
  }
});

app.get('/analytics/risk', async c => {
  try {
    // TODO: Calculate risk metrics
    return c.json({
      var95: 0.02,
      cvar95: 0.03,
      maxDrawdown: 0.05,
      downside_deviation: 0.08,
      correlation_matrix: {},
    });
  } catch (error) {
    logger.error('Failed to get risk analytics', error);
    return c.json({ error: 'Failed to get risk analytics' }, 500);
  }
});

app.get('/analytics/attribution', async c => {
  try {
    // TODO: Calculate performance attribution
    return c.json({
      sector_allocation: {},
      security_selection: {},
      interaction_effect: {},
    });
  } catch (error) {
    logger.error('Failed to get attribution analytics', error);
    return c.json({ error: 'Failed to get attribution analytics' }, 500);
  }
});

const port = config.PORTFOLIO_SERVICE_PORT || 3005;

logger.info(`Starting portfolio service on port ${port}`);

serve(
  {
    fetch: app.fetch,
    port,
  },
  info => {
    logger.info(`Portfolio service is running on port ${info.port}`);
  }
);