import 'package:cheminova/constants/constant.dart';
import 'package:cheminova/models/announcement_model.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

import '../models/notification_list_response.dart';
import '../services/api_client.dart';
import '../services/api_urls.dart';

class NotificationProvider extends ChangeNotifier {
  NotificationProvider() {
    getNotification();
  }

  final _apiClient = ApiClient();
  List<Notifications> notificationList = [];
  List<AnnouncementModel> _announcementList = [];
  int _totalAnnouncements = 0;
  String _selectedDate = DateFormat('dd/MM/yyyy').format(DateTime.now());

  bool _isLoading = false;

  bool get isLoading => _isLoading;
  int get totalAnnouncements => _totalAnnouncements;
  List<AnnouncementModel> get announcementList => _announcementList;
  String get selectedDate => _selectedDate;

  void setLoading(bool loading) {
    _isLoading = loading;
    notifyListeners();
  }

  void clearLists() {
    notificationList = [];
    _announcementList = [];
    _totalAnnouncements = 0;
    notifyListeners();
  }

  void setDate(String date) {
    _selectedDate = date;
    notifyListeners();
    getNotification();
  }

  Future<void> getNotification() async {
    clearLists();
    setLoading(true);
    try {
      Response response = await _apiClient
          .get('${ApiUrls.notificationUrl}?Date=$_selectedDate');
      setLoading(false);
      if (response.statusCode == 200) {
        final data = NotificationListResponse.fromJson(response.data);
        notificationList = data.notifications ?? [];
        notifyListeners();
      }
    } catch (e) {
      setLoading(false);
    }
  }

  Future<void> getAnnouncement(int page, int rowsPerPage) async {
    clearLists();
    setLoading(true);
    try {
      Response response = await _apiClient
          .get('${ApiUrls.announcements}?page=$page&rowsPerPage=$rowsPerPage');
      if (response.statusCode == 200) {
        _announcementList = (response.data['announcements'] as List)
            .map((e) => AnnouncementModel.fromJson(e))
            .toList();
        notifyListeners();
        _totalAnnouncements = response.data['totalAnnouncements'];
      }
      setLoading(false);
    } catch (e) {
      String error = "Something went wrong";
      if (e is DioException) {
        error = e.response!.data['message'] ?? "Something went wrong";
      }
      ScaffoldMessenger.of(
        navigatorKey.currentContext!,
      ).showSnackBar(
        SnackBar(
          content: Text(
            error,
          ),
        ),
      );
      setLoading(false);
    }
  }
}