import 'dart:async';

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

import '../datamodels/dialog_request.dart';
import '../datamodels/dialog_response.dart';

class DialogService {
  final GlobalKey<NavigatorState> _dialogNavigationKey =
      GlobalKey<NavigatorState>();
  late Function(DialogRequest) _showDialogListener;
  Completer<DialogResponse>? _dialogCompleter;

  GlobalKey<NavigatorState> get dialogNavigationKey => _dialogNavigationKey;

  void registerDialogListener(Function(DialogRequest) showDialogListener) {
    _showDialogListener = showDialogListener;
  }

  Future<DialogResponse> showDialog({
    String? title,
    String? description,
    String? buttonTitleAccept,
  }) {
    _dialogCompleter = Completer<DialogResponse>();
    _showDialogListener(DialogRequest(
        title: title,
        description: description,
        buttonTitleAccept:
            buttonTitleAccept == null || buttonTitleAccept.isEmpty
                ? translate('dialog.confirm')
                : buttonTitleAccept));
    return _dialogCompleter!.future;
  }

  Future<DialogResponse> showConfirmationDialog(
      {String? title,
      String? description,
      String? buttonTitleAccept,
      String? buttonTitleDeny}) {
    _dialogCompleter = Completer<DialogResponse>();
    _showDialogListener(DialogRequest(
        title: title,
        description: description,
        buttonTitleAccept:
            buttonTitleAccept == null || buttonTitleAccept.isEmpty
                ? translate('dialog.confirm')
                : buttonTitleAccept,
        buttonTitleDeny: buttonTitleDeny == null || buttonTitleDeny.isEmpty
            ? translate('dialog.cancel')
            : buttonTitleDeny));
    return _dialogCompleter!.future;
  }

  void dialogComplete(DialogResponse response) {
    _dialogNavigationKey.currentState!.pop();
    _dialogCompleter!.complete(response);
    _dialogCompleter = null;
  }
}