#!/usr/bin/env python3
import json

with open('/home/mdares/.node-red/flows.json', 'r') as f:
    flows = json.load(f)

# JavaScript code to add tab activation listener
tab_refresh_code = '''
  // Phase 7: Tab activation listener - refresh data when returning to Home
  scope.$on('$destroy', function() {
    if (scope.tabRefreshInterval) {
      clearInterval(scope.tabRefreshInterval);
    }
  });

  // Request current state when tab becomes visible
  scope.refreshHomeData = function() {
    scope.send({ action: "get-current-state" });
  };

  // Poll for updates when on Home tab (every 2 seconds)
  // This ensures UI stays fresh when returning from other tabs
  scope.tabRefreshInterval = setInterval(function() {
    // Only refresh if we're on the Home tab (check if element is visible)
    var homeElement = document.getElementById('oee');
    if (homeElement && homeElement.offsetParent !== null) {
      scope.refreshHomeData();
    }
  }, 2000);
'''

# Find Home Template and add the tab refresh code
for node in flows:
    if node.get('name') == 'Home Template':
        template = node.get('format', '')

        # Check if already has tab refresh code
        if 'tabRefreshInterval' in template:
            print("⚠ Tab refresh code already exists - skipping")
        else:
            # Find a good place to insert - after gotoTab function definition
            goto_idx = template.find('scope.gotoTab = function(tabName)')
            if goto_idx != -1:
                # Find the end of the gotoTab function (closing brace and semicolon)
                end_idx = template.find('};', goto_idx)
                if end_idx != -1:
                    # Insert after the gotoTab function
                    insert_pos = end_idx + 2  # After '};'
                    template = template[:insert_pos] + '\n' + tab_refresh_code + template[insert_pos:]

                    node['format'] = template
                    print("✓ Added tab refresh listener to Home Template")
                else:
                    print("✗ Could not find end of gotoTab function")
            else:
                print("✗ Could not find gotoTab function")
        break

with open('/home/mdares/.node-red/flows.json', 'w') as f:
    json.dump(flows, f, indent=4)

print("✓ flows.json updated")