/**
 * SMTP Server Creation Factory
 * Provides a simple way to create a complete SMTP server
 */

import { SmtpServer } from './smtp-server.js';
import { SessionManager } from './session-manager.js';
import { ConnectionManager } from './connection-manager.js';
import { CommandHandler } from './command-handler.js';
import { DataHandler } from './data-handler.js';
import { TlsHandler } from './tls-handler.js';
import { SecurityHandler } from './security-handler.js';
import type { ISmtpServerOptions } from './interfaces.js';
import { UnifiedEmailServer } from '../../routing/classes.unified.email.server.js';

/**
 * Create a complete SMTP server with all components
 * @param emailServer - Email server reference
 * @param options - SMTP server options
 * @returns Configured SMTP server instance
 */
export function createSmtpServer(emailServer: UnifiedEmailServer, options: ISmtpServerOptions): SmtpServer {
  // Create session manager
  const sessionManager = new SessionManager({
    socketTimeout: options.socketTimeout,
    connectionTimeout: options.connectionTimeout,
    cleanupInterval: options.cleanupInterval
  });
  
  // Create security handler
  const securityHandler = new SecurityHandler(
    emailServer,
    undefined, // IP reputation service
    options.auth
  );
  
  // Create TLS handler
  const tlsHandler = new TlsHandler(
    sessionManager,
    {
      key: options.key,
      cert: options.cert,
      ca: options.ca
    }
  );
  
  // Create data handler
  const dataHandler = new DataHandler(
    sessionManager,
    emailServer,
    {
      size: options.size
    }
  );
  
  // Create command handler
  const commandHandler = new CommandHandler(
    sessionManager,
    {
      hostname: options.hostname,
      size: options.size,
      maxRecipients: options.maxRecipients,
      auth: options.auth
    },
    dataHandler,
    tlsHandler,
    securityHandler
  );
  
  // Create connection manager
  const connectionManager = new ConnectionManager(
    sessionManager,
    (socket, line) => commandHandler.processCommand(socket, line),
    {
      hostname: options.hostname,
      maxConnections: options.maxConnections,
      socketTimeout: options.socketTimeout
    }
  );
  
  // Create and return SMTP server
  return new SmtpServer({
    emailServer,
    options,
    sessionManager,
    connectionManager,
    commandHandler,
    dataHandler,
    tlsHandler,
    securityHandler
  });
}