import 'dart:developer';

import 'package:flutter/material.dart';
import 'package:get_it/get_it.dart';

import '../../models/local_notification_model.dart';
import '../../models/notification/notifications_model.dart';
import '../../models/notification_model.dart';
import '../../services/push_notification_service.dart';

class NotificationsProvider extends ChangeNotifier{
  List<NotificationsModel> notifications = [];
  static final NotificationsProvider notificationsProvider= NotificationsProvider._internal();
  NotificationsProvider._internal();
  factory NotificationsProvider(){
    return notificationsProvider;
  }

  addAllNotifications(List<NotificationsModel> data){
    for(NotificationsModel x in data){
      bool exists = notifications.where((element) => element.id==x.id).isNotEmpty;
      if(!exists){
        notifications.add(x);
      }
    }
    notifyListeners();
  }


  clearNotificationsList(){
    notifications.clear();
    notifyListeners();
  }


  addNotification(NotificationsModel notification){
    notifications.insert(0, notification);
    notifyListeners();
  }

  PushNotificationService get service => GetIt.I<PushNotificationService>();

  List<NotificationModel> notificationsFromApi = [];
  int notifPage = 0;
  int notifTotalPage = -1;
  bool loading = false;
  List<LocalNotificationModel> localNotifs = [];

  ///************************************************** get All notifications *************************************************************/
  Future<List<NotificationModel>?> getAllNotifications(
      {bool isRefresh = false, bool init = false}) async {
    notifications = [];
    try {
      loading = true;
      if (isRefresh) {
        notifPage = 0;
        notifications = [];
        notifTotalPage = -1;
      }
      if (init) {
        Future.delayed(Duration.zero, () {
          notifyListeners();
        });
      } else {
        notifyListeners();
      }
      final apiResponsePost = await service.getAllNotifications(50, notifPage);
      if ((apiResponsePost.statusCode == 200 ||apiResponsePost.statusCode == 201) && apiResponsePost.data != null &&apiResponsePost.data!.result != null) {
        for (var eq in apiResponsePost.data!.result!) {
          var index = notificationsFromApi.indexWhere((element) =>
          element.id == eq.id);
          if (index == -1) {
            notificationsFromApi.add(eq);
          }
        }
        if(apiResponsePost.data != null){
          if(apiResponsePost.data!.totalPages!= null){
            if(notifPage < apiResponsePost.data!.totalPages! -1){
              notifPage++;
            }
          }
        }


        notifTotalPage = apiResponsePost.data!.totalPages ?? 1;
        loading = false;
        if (init) {
          Future.delayed(Duration.zero, () {
            notifyListeners();
          });
        } else {
          notifyListeners();
        }
        return notificationsFromApi;
      } else {
        log("getAllNotifications.statusCode");
        log(apiResponsePost.statusCode.toString());
        log(apiResponsePost.data.toString());
        loading = false;
        if (init) {
          Future.delayed(Duration.zero, () {
            notifyListeners();
          });
        } else {
          notifyListeners();
        }
        return notificationsFromApi;
      }
    } catch (e, s) {
      log(e.toString(), stackTrace: s);
      loading = false;
      if (init) {
        Future.delayed(Duration.zero, () {
          notifyListeners();
        });
      } else {
        notifyListeners();
      }
      return [];
    }
  }

  disposeNotifs() {
    notificationsFromApi.clear();
    notifPage = 0;
    notifTotalPage = -1;
    loading = false;
    localNotifs = [];
  }

  addNotif(LocalNotificationModel notif) {
    localNotifs.add(notif);
    notifyListeners();
  }

  LocalNotificationModel? getNotif(String notifId) {
    var index = localNotifs.indexWhere((element) => element.id == notifId);
    if (index != -1) {
      return localNotifs[index];
    }
    return null;
  }



}  final notificationsProvider= NotificationsProvider();





// import 'dart:developer';
//
// import 'package:flutter/material.dart';
// import 'package:get_it/get_it.dart';
//
// import '../../models/local_notification_model.dart';
// import '../../models/notification_model.dart';
// import '../../services/push_notification_service.dart';
//
//
//
// class NotificationsProvider with ChangeNotifier {
//   PushNotificationService get service => GetIt.I<PushNotificationService>();
//   List<NotificationModel> notifications = [];
//   int notifPage = 0;
//   int notifTotalPage = -1;
//   bool loading = false;
//   List<LocalNotificationModel> localNotifs = [];
//
//   ///************************************************** get All notifications *************************************************************/
//   Future<List<NotificationModel>?> getAllNotifications(
//       {bool isRefresh = false, bool init = false}) async {
//     notifications = [];
//     try {
//       loading = true;
//       if (isRefresh) {
//         notifPage = 0;
//         notifications = [];
//         notifTotalPage = -1;
//       }
//       if (init) {
//         Future.delayed(Duration.zero, () {
//           notifyListeners();
//         });
//       } else {
//         notifyListeners();
//       }
//       final apiResponsePost = await service.getAllNotifications(5, notifPage);
//       if ((apiResponsePost.statusCode == 200 ||
//           apiResponsePost.statusCode == 201) && apiResponsePost.data != null &&
//           apiResponsePost.data!.result != null) {
//         for (var eq in apiResponsePost.data!.result!) {
//           var index = notifications.indexWhere((element) =>
//           element.id == eq.id);
//           if (index == -1) {
//             notifications.add(eq);
//           }
//         }
//         notifPage++;
//         notifTotalPage = apiResponsePost.data!.totalPages ?? 1;
//         loading = false;
//         if (init) {
//           Future.delayed(Duration.zero, () {
//             notifyListeners();
//           });
//         } else {
//           notifyListeners();
//         }
//         return notifications;
//       } else {
//         log("getAllNotifications.statusCode");
//         log(apiResponsePost.statusCode.toString());
//         log(apiResponsePost.data.toString());
//         loading = false;
//         if (init) {
//           Future.delayed(Duration.zero, () {
//             notifyListeners();
//           });
//         } else {
//           notifyListeners();
//         }
//         return notifications;
//       }
//     } catch (e, s) {
//       log(e.toString(), stackTrace: s);
//       loading = false;
//       if (init) {
//         Future.delayed(Duration.zero, () {
//           notifyListeners();
//         });
//       } else {
//         notifyListeners();
//       }
//       return [];
//     }
//   }
//
//   disposeNotifs() {
//     notifications = [];
//     notifPage = 0;
//     notifTotalPage = -1;
//     loading = false;
//     localNotifs = [];
//   }
//
//   addNotif(LocalNotificationModel notif) {
//     localNotifs.add(notif);
//     notifyListeners();
//   }
//
//   LocalNotificationModel? getNotif(String notifId) {
//     var index = localNotifs.indexWhere((element) => element.id == notifId);
//     if (index != -1) {
//       return localNotifs[index];
//     }
//     return null;
//   }
// }