/**
 * Example Module: Welcome Message
 * Sends a welcome message to users when they first log in
 */

const ltx = require('ltx');

module.exports = {
  name: 'welcome_message',
  version: '1.0.0',
  description: 'Sends welcome messages to new users',
  author: 'Example',
  
  load(module) {
    const { logger, sessionManager, config } = module.api;
    
    // Get welcome message from config
    const welcomeMsg = module.api.getConfig('message', 
      'Welcome to our XMPP server! Enjoy your stay.');
    
    const sendWelcome = module.api.getConfig('sendOnLogin', true);
    
    logger.info('Welcome message module loaded');
    
    if (sendWelcome) {
      // Hook into session authentication
      sessionManager.on('session:authenticated', (session) => {
        logger.info(`Sending welcome message to ${session.jid}`);
        
        // Create welcome message
        const message = new ltx.Element('message', {
          to: session.jid,
          from: module.host,
          type: 'chat'
        }).c('body').t(welcomeMsg).up()
          .c('subject').t('Welcome!');
        
        // Send message
        session.send(message);
      });
    }
    
    logger.info(`Welcome message: "${welcomeMsg}"`);
  },
  
  unload(module) {
    module.api.logger.info('Welcome message module unloaded');
  }
};