kent_logistics_app/lib/providers/chat_unread_provider.dart

import 'package:flutter/material.dart';

class ChatUnreadProvider extends ChangeNotifier {
  int _unreadCount = 0;
  bool _chatOpen = false;

  int get unreadCount => _unreadCount;
  bool get isChatOpen => _chatOpen;

  /// 📩 Called when ADMIN sends message
  void increment() {
    if (!_chatOpen) {
      _unreadCount++;
      notifyListeners();
    }
  }

  /// 👁 Called when chat screen is opened
  void setChatOpen(bool open) {
    _chatOpen = open;

    if (open) {
      _unreadCount = 0; // reset badge when user opens chat
    }

    notifyListeners();
  }

  /// 🔁 Manual reset (optional)
  void reset() {
    _unreadCount = 0;
    notifyListeners();
  }
}