/**
 * Data Service - Combined live and historical data ingestion with queue-based architecture
 */
import { getLogger } from '@stock-bot/logger';
import { loadEnvVariables } from '@stock-bot/config';
import { Hono } from 'hono';
import { serve } from '@hono/node-server';
import { queueManager } from './services/queue.service';

// Load environment variables
loadEnvVariables();

const app = new Hono();
const logger = getLogger('data-service');

const PORT = parseInt(process.env.DATA_SERVICE_PORT || '3002');
// Health check endpoint
app.get('/health', (c) => {
  return c.json({ 
    service: 'data-service', 
    status: 'healthy',
    timestamp: new Date().toISOString(),
    queue: {
      status: 'running',
      workers: queueManager.getWorkerCount()
    }
  });
});

// Queue management endpoints
app.get('/api/queue/status', async (c) => {
  try {
    const status = await queueManager.getQueueStatus();
    return c.json({ status: 'success', data: status });
  } catch (error) {
    logger.error('Failed to get queue status', { error });
    return c.json({ status: 'error', message: 'Failed to get queue status' }, 500);
  }
});

app.post('/api/queue/job', async (c) => {
  try {
    const jobData = await c.req.json();
    const job = await queueManager.addJob(jobData);
    return c.json({ status: 'success', jobId: job.id });
  } catch (error) {
    logger.error('Failed to add job', { error });
    return c.json({ status: 'error', message: 'Failed to add job' }, 500);
  }
});

// Market data endpoints
app.get('/api/live/:symbol', async (c) => {
  const symbol = c.req.param('symbol');
  logger.info('Live data request', { symbol });
  
  try {    // Queue job for live data using Yahoo provider
    const job = await queueManager.addJob({
      type: 'market-data-live',
      service: 'market-data',
      provider: 'yahoo-finance',
      operation: 'live-data',
      payload: { symbol }
    });
    return c.json({ 
      status: 'success', 
      message: 'Live data job queued',
      jobId: job.id,
      symbol 
    });
  } catch (error) {
    logger.error('Failed to queue live data job', { symbol, error });
    return c.json({ status: 'error', message: 'Failed to queue live data job' }, 500);
  }
});

app.get('/api/historical/:symbol', async (c) => {
  const symbol = c.req.param('symbol');
  const from = c.req.query('from');
  const to = c.req.query('to');
  
  logger.info('Historical data request', { symbol, from, to });
  
  try {
    const fromDate = from ? new Date(from) : new Date(Date.now() - 30 * 24 * 60 * 60 * 1000); // 30 days ago
    const toDate = to ? new Date(to) : new Date(); // Now
      // Queue job for historical data using Yahoo provider
    const job = await queueManager.addJob({
      type: 'market-data-historical',
      service: 'market-data',
      provider: 'yahoo-finance',
      operation: 'historical-data',
      payload: { 
        symbol, 
        from: fromDate.toISOString(), 
        to: toDate.toISOString() 
      }
    });    return c.json({ 
      status: 'success', 
      message: 'Historical data job queued',
      jobId: job.id,
      symbol, 
      from: fromDate, 
      to: toDate 
    });
  } catch (error) {
    logger.error('Failed to queue historical data job', { symbol, from, to, error });
    return c.json({ status: 'error', message: 'Failed to queue historical data job' }, 500);  }
});

// Proxy management endpoints
app.post('/api/proxy/fetch', async (c) => {
  try {
    const job = await queueManager.addJob({
      type: 'proxy-fetch',
      service: 'proxy',
      provider: 'proxy-service',
      operation: 'fetch-and-check',
      payload: {},
      priority: 5
    });
    
    return c.json({ 
      status: 'success', 
      jobId: job.id, 
      message: 'Proxy fetch job queued' 
    });
  } catch (error) {
    logger.error('Failed to queue proxy fetch', { error });
    return c.json({ status: 'error', message: 'Failed to queue proxy fetch' }, 500);
  }
});

app.post('/api/proxy/check', async (c) => {
  try {
    const { proxies } = await c.req.json();
    const job = await queueManager.addJob({
      type: 'proxy-check',
      service: 'proxy',
      provider: 'proxy-service',
      operation: 'check-specific',
      payload: { proxies },
      priority: 8
    });
    
    return c.json({ 
      status: 'success', 
      jobId: job.id, 
      message: `Proxy check job queued for ${proxies.length} proxies` 
    });
  } catch (error) {
    logger.error('Failed to queue proxy check', { error });
    return c.json({ status: 'error', message: 'Failed to queue proxy check' }, 500);
  }
});

// Get proxy stats via queue
app.get('/api/proxy/stats', async (c) => {
  try {
    const job = await queueManager.addJob({
      type: 'proxy-stats',
      service: 'proxy',
      provider: 'proxy-service',
      operation: 'get-stats',
      payload: {},
      priority: 3
    });
    
    return c.json({ 
      status: 'success', 
      jobId: job.id, 
      message: 'Proxy stats job queued' 
    });
  } catch (error) {
    logger.error('Failed to queue proxy stats', { error });
    return c.json({ status: 'error', message: 'Failed to queue proxy stats' }, 500);
  }
});

// Provider registry endpoints
app.get('/api/providers', async (c) => {
  try {
    const providers = queueManager.getRegisteredProviders();
    return c.json({ status: 'success', providers });
  } catch (error) {
    logger.error('Failed to get providers', { error });
    return c.json({ status: 'error', message: 'Failed to get providers' }, 500);
  }
});

// Add new endpoint to see scheduled jobs
app.get('/api/scheduled-jobs', async (c) => {
  try {
    const jobs = queueManager.getScheduledJobsInfo();
    return c.json({ 
      status: 'success', 
      count: jobs.length,
      jobs 
    });
  } catch (error) {
    logger.error('Failed to get scheduled jobs info', { error });
    return c.json({ status: 'error', message: 'Failed to get scheduled jobs' }, 500);
  }
});

// Initialize services
async function initializeServices() {
  logger.info('Initializing data service...');
  
  try {
    // Initialize queue service (Redis connections should be ready now)
    logger.info('Starting queue service initialization...');
    await queueManager.initialize();
    logger.info('Queue service initialized');
    
    logger.info('All services initialized successfully');
  } catch (error) {
    logger.error('Failed to initialize services', { error });
    throw error;
  }
}

// Start server
async function startServer() {
  await initializeServices();
}

// Graceful shutdown
process.on('SIGINT', async () => {
  logger.info('Received SIGINT, shutting down gracefully...');
  await queueManager.shutdown();
  process.exit(0);
});

process.on('SIGTERM', async () => {
  logger.info('Received SIGTERM, shutting down gracefully...');
  await queueManager.shutdown();
  process.exit(0);
});

startServer().catch(error => {
  logger.error('Failed to start server', { error });
  process.exit(1);
});