import 'package:get/get.dart';
import '../../../core/network/dio_client.dart';
import '../../../core/utils/logger.dart';

class NotificationsController extends GetxController {
  var notifications = <Map<String, dynamic>>[].obs;
  var isLoading = true.obs;
  var unreadCount = 0.obs;

  @override
  void onInit() {
    super.onInit();
    fetchNotifications();
  }

  Future<void> fetchNotifications() async {
    try {
      isLoading.value = true;
      final res = await DioClient().client.get('notifications');
      if (res.data['success'] == true) {
        final data = res.data['data'];
        notifications.value = List<Map<String, dynamic>>.from(data['notifications'] ?? []);
        unreadCount.value = data['unread_count'] ?? 0;
      }
    } catch (e) {
      AppLogger.error('Failed to fetch notifications', e);
    } finally {
      isLoading.value = false;
    }
  }

  Future<void> markAsRead(String id) async {
    try {
      await DioClient().client.post('notifications/read', data: {'id': id});
      final idx = notifications.indexWhere((n) => n['id'] == id);
      if (idx != -1) {
        notifications[idx] = {...notifications[idx], 'is_read': 1};
        notifications.refresh();
        unreadCount.value = notifications.where((n) => n['is_read'] == 0).length;
      }
    } catch (e) {
      AppLogger.error('Failed to mark as read', e);
    }
  }

  Future<void> markAllRead() async {
    try {
      await DioClient().client.post('notifications/read', data: {'mark_all': true});
      for (var i = 0; i < notifications.length; i++) {
        notifications[i] = {...notifications[i], 'is_read': 1};
      }
      notifications.refresh();
      unreadCount.value = 0;
    } catch (e) {
      AppLogger.error('Failed to mark all as read', e);
    }
  }
}
