pre:send

instance.on('pre:send', (event, instance) => {
    // Log the message payload for debugging purposes
    console.log('About to send message:', event.message);
    
    // Convert message to uppercase before sending
    // This modifies what the agent receives, not what the user sees
    if (event?.message?.message?.content) {
        event.message.message.content = event.message.message.content.toUpperCase();
    }
    
    // Add custom metadata to track message origin and timing
    // This metadata is sent to the agent along with the message
    event.message.metadata = {
        timestamp: Date.now(),
        source: 'web-chat'
    };
});

instance.on('pre:send', async (event, instance) => {
    // Define the user's preferred language
    const userLanguage = 'es'; // User's preferred language
    
    // Only translate if the user's language is not English
    if (userLanguage !== 'en' && event?.message?.message?.content) {
        // Store the original text typed by the user
        const originalText = event.message.message.content;
        
        // Translate the message to English for the agent to process
        // Note: translateText() is a placeholder - implement your own translation service
        const translatedText = await translateText(originalText, userLanguage, 'en');
        
        // Update the content that will be sent to the agent (translated version)
        event.message.message.content = translatedText;
        
        // Store the original text in message_state so the UI displays what the user actually typed
        // This ensures the user sees their original message, not the translated version
        event.message.message.message_state = {
            input: { display_text: originalText }
        };
    }
});