cloudsolutions-atoms/lib/controllers/providers/api/preventive_maintenance_visits_provider.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:test_sa/api/preventive_maintenance_api_client.dart';
import 'package:test_sa/controllers/providers/loading_notifier.dart';

import '../../../models/visits/visits_group.dart';
import '../../../models/visits/visits_search.dart';
import '../../../views/pages/user/visits/update_visits_group_sheet.dart';
import '../../http_status_manger/http_status_manger.dart';
import '../../localization/localization.dart';

class PreventiveMaintenanceVisitsProvider extends LoadingNotifier {
  // number of items call in each request
  final pageItemNumber = 50;

  //reset provider data
  void reset() {
    PreventiveMaintenanceApiClient().visits.clear();
    nextPage = true;
    stateCode = null;
  }

  // state code of current request to defied error message
  // like 400 customer request failed
  // 500 service not available
  int? stateCode;

  // true if there is next page in product list and false if not
  bool? nextPage = true;

  VisitsSearch? visitsSearch = VisitsSearch();

  Future getVisits() async {
    await waitApiRequest(
      () async {
        await PreventiveMaintenanceApiClient().getVisits(pageItemNumber: pageItemNumber, visitsSearch: visitsSearch);
      },
      onSuccess: () {
        /// TODO : this is temporary
        stateCode = 200;
        if (PreventiveMaintenanceApiClient().visits.length == pageItemNumber) {
          nextPage = true;
        } else {
          nextPage = false;
        }
      },
      onError: (error) {
        /// TODO : this is temporary
        stateCode = error.error?.errorCode;
      },
    );
  }

  Future updateGroupOfVisits(BuildContext context) async {
    final subtitle = AppLocalization.of(context)?.subtitle;
    VisitsGroup? group = await showModalBottomSheet(
      isScrollControlled: true,
      context: context,
      builder: (context) {
        return UpdateVisitsGroupSheet(visits: PreventiveMaintenanceApiClient().visits, title: subtitle?.updatePreventiveMaintenance);
      },
    ) as VisitsGroup?;
    if (context.mounted && group != null) {
      showDialog<void>(
        context: context,
        barrierDismissible: false,
        builder: (BuildContext context) {
          return CupertinoAlertDialog(
            title: Text(subtitle?.updatingDots ?? ''),
            content: const Center(child: CircularProgressIndicator()),
          );
        },
      );
      await waitApiRequest(
        () async {
          await PreventiveMaintenanceApiClient().updateGroupOfVisits(group: group);
          if (context.mounted) {
            Navigator.of(context).pop();
          }
        },
        onSuccess: () {
          /// TODO : this is temporary
          stateCode = 200;
          Navigator.of(context).pop();
          Fluttertoast.showToast(
            msg: subtitle?.regularVisitsUpdatedSuccessfully ?? '',
            toastLength: Toast.LENGTH_LONG,
            gravity: ToastGravity.BOTTOM,
          );
        },
        onError: (error) {
          /// TODO : this is temporary
          stateCode = error.error?.errorCode;
          Fluttertoast.showToast(
            msg: HttpStatusManger.getStatusMessage(status: error.error?.errorCode, subtitle: subtitle),
            toastLength: Toast.LENGTH_LONG,
            gravity: ToastGravity.BOTTOM,
          );
        },
      );
    }
  }
}