/**
 * QM Exchanges Operations - Exchange fetching functionality
 */

import { OperationContext } from '@stock-bot/utils';

import { initializeQMResources } from './session.operations';

export async function fetchExchanges(): Promise<unknown[] | null> {
  const ctx = OperationContext.create('qm', 'exchanges');
  
  try {
    // Ensure resources are initialized
    const { QMSessionManager } = await import('../shared/session-manager');
    const sessionManager = QMSessionManager.getInstance();
    
    if (!sessionManager.getInitialized()) {
      await initializeQMResources();
    }

    ctx.logger.info('QM exchanges fetch - not implemented yet');
    
    // Cache the "not implemented" status
    await ctx.cache.set('fetch-status', {
      implemented: false,
      message: 'QM exchanges fetching not yet implemented',
      timestamp: new Date().toISOString()
    }, { ttl: 3600 });

    // TODO: Implement QM exchanges fetching logic
    // This could involve:
    // 1. Querying existing exchanges from MongoDB
    // 2. Making API calls to discover new exchanges
    // 3. Processing and storing exchange metadata
    
    return null;
  } catch (error) {
    ctx.logger.error('Failed to fetch QM exchanges', { error });
    return null;
  }
}