/**
 * Main Application Module
 * Entry point for the application, initializes all components
 */
document.addEventListener('DOMContentLoaded', async () => {
    // Initialize all modules
    try {
        await DataManager.init(); // Wait for data to be loaded and processed
    } catch (error) {
        console.error('Failed to initialize DataManager:', error);
        // Optionally, display an error message to the user in the UI
        // For example, by setting some text in a dedicated error div.
        // For now, we'll log and let the app proceed with potentially empty/default data.
    }
    UI.init();
    Charts.init();
    
    // Render initial data
    UI.renderWeightTable();
    UI.renderMealTable();
    
    // Add security information to settings tab
    const settingsCard = document.querySelector('#settings-content .card:last-child');
    if (settingsCard) {
        const securitySection = document.createElement('div');
        securitySection.className = 'form-group';
        securitySection.innerHTML = `
            <h3>Security</h3>
            <p>Your data is protected by Nginx basic authentication.</p>
            <p>To log out, close your browser or clear your browser's authentication cache.</p>
        `;
        settingsCard.appendChild(securitySection);
    }
    
    console.log('Weight Tracker app initialized successfully');
});