// Main SPORE UI Application

// Initialize the application when DOM is loaded
document.addEventListener('DOMContentLoaded', function() {
    console.log('=== SPORE UI Application Initialization ===');
    
    // Initialize the framework (but don't navigate yet)
    console.log('App: Creating framework instance...');
    const app = window.app;
    
    // Create view models
    console.log('App: Creating view models...');
    const clusterViewModel = new ClusterViewModel();
    const firmwareViewModel = new FirmwareViewModel();
    console.log('App: View models created:', { clusterViewModel, firmwareViewModel });
    
    // Connect firmware view model to cluster data
    clusterViewModel.subscribe('members', (members) => {
        console.log('App: Members subscription triggered:', members);
        if (members && members.length > 0) {
            // Extract node information for firmware view
            const nodes = members.map(member => ({
                ip: member.ip,
                hostname: member.hostname || member.ip
            }));
            firmwareViewModel.updateAvailableNodes(nodes);
            console.log('App: Updated firmware view model with nodes:', nodes);
        } else {
            firmwareViewModel.updateAvailableNodes([]);
            console.log('App: Cleared firmware view model nodes');
        }
    });
    
    // Register routes with their view models
    console.log('App: Registering routes...');
    app.registerRoute('cluster', ClusterViewComponent, 'cluster-view', clusterViewModel);
    app.registerRoute('firmware', FirmwareViewComponent, 'firmware-view', firmwareViewModel);
    console.log('App: Routes registered and components pre-initialized');
    
    // Set up navigation event listeners
    console.log('App: Setting up navigation...');
    app.setupNavigation();
    
    // Set up periodic updates for cluster view with state preservation
    // setupPeriodicUpdates(); // Disabled automatic refresh
    
    // Now navigate to the default route
    console.log('App: Navigating to default route...');
    app.navigateTo('cluster');
    
    console.log('=== SPORE UI Application initialization completed ===');
});

// Set up periodic updates with state preservation
function setupPeriodicUpdates() {
    // Auto-refresh cluster members every 30 seconds using smart update
    setInterval(() => {
        if (window.app.currentView && window.app.currentView.viewModel) {
            const viewModel = window.app.currentView.viewModel;
            
            // Use smart update if available, otherwise fall back to regular update
            if (viewModel.smartUpdate && typeof viewModel.smartUpdate === 'function') {
                console.log('App: Performing smart update to preserve UI state...');
                viewModel.smartUpdate();
            } else if (viewModel.updateClusterMembers && typeof viewModel.updateClusterMembers === 'function') {
                console.log('App: Performing regular update...');
                viewModel.updateClusterMembers();
            }
        }
    }, 30000);
    
    // Update primary node display every 10 seconds (this is lightweight and doesn't affect UI state)
    setInterval(() => {
        if (window.app.currentView && window.app.currentView.viewModel) {
            const viewModel = window.app.currentView.viewModel;
            if (viewModel.updatePrimaryNodeDisplay && typeof viewModel.updatePrimaryNodeDisplay === 'function') {
                viewModel.updatePrimaryNodeDisplay();
            }
        }
    }, 10000);
}

// Global error handler
window.addEventListener('error', function(event) {
    console.error('Global error:', event.error);
});

// Global unhandled promise rejection handler
window.addEventListener('unhandledrejection', function(event) {
    console.error('Unhandled promise rejection:', event.reason);
});

// Clean up on page unload
window.addEventListener('beforeunload', function() {
    if (window.app) {
        console.log('App: Cleaning up cached components...');
        window.app.cleanup();
    }
});