import 'package:flutter/material.dart';
import 'package:geosector_app/chat/services/chat_info_service.dart';

/// Fonction helper pour créer une NavigationDestination avec badge
NavigationDestination createBadgedNavigationDestination({
  required Icon icon,
  required Icon selectedIcon,
  required String label,
  bool showBadge = false,
}) {
  if (!showBadge) {
    return NavigationDestination(
      icon: icon,
      selectedIcon: selectedIcon,
      label: label,
    );
  }
  
  // Créer les icônes avec badge
  final badgedIcon = BadgedIcon(
    icon: icon.icon!,
    showBadge: true,
  );
  
  final badgedSelectedIcon = BadgedIcon(
    icon: selectedIcon.icon!,
    showBadge: true,
  );
  
  return NavigationDestination(
    icon: badgedIcon,
    selectedIcon: badgedSelectedIcon,
    label: label,
  );
}

/// Widget pour afficher un badge sur une icône
class BadgedIcon extends StatelessWidget {
  final IconData icon;
  final bool showBadge;
  final Color? color;
  final double? size;
  
  const BadgedIcon({
    super.key,
    required this.icon,
    this.showBadge = false,
    this.color,
    this.size,
  });
  
  @override
  Widget build(BuildContext context) {
    final iconWidget = Icon(icon, color: color, size: size);
    
    if (!showBadge) {
      return iconWidget;
    }
    
    return AnimatedBuilder(
      animation: ChatInfoService.instance,
      builder: (context, _) {
        final unreadCount = ChatInfoService.instance.unreadMessages;
        final badgeLabel = ChatInfoService.instance.badgeLabel;
        
        if (unreadCount == 0) {
          return iconWidget;
        }
        
        return Badge(
          label: Text(
            badgeLabel,
            style: const TextStyle(fontSize: 10),
          ),
          backgroundColor: Colors.red,
          textColor: Colors.white,
          child: iconWidget,
        );
      },
    );
  }
}