import 'dart:async';

import 'package:flutter/material.dart';

import '../Entities/account.dart';
import '../Entities/dialog_type_enum.dart';
import '../Pages/Dialog/dialog_action.dart';
import '../Pages/Dialog/dialog_input_field.dart';
import '../Pages/Dialog/dynamic_dialog.dart';
import '../Repositories/account_repository.dart';

/// Steuert die Interaktion mit den Accounts
class AccountController {
  /// Erstellt eine neue Instanz dieser Klasse
  AccountController() {
    _newAccountDialog = DynamicDialog(
      title: 'Neues Konto erstellen',
      icon: Icons.account_balance_wallet,
      inputFields: [
        const DialogInputField(id: 'name', label: 'Name', autoFocus: true),
      ],
      actions: [
        DialogAction(label: 'Abbruch'),
        DialogAction(
          label: 'Speichern',
          isPrimary: true,
          onPressed: _saveNewAccount,
        ),
      ],
    );

    _errorNameEmptyDialog = DynamicDialog(
      title: 'Fehler!',
      icon: Icons.error,
      content: const Text('Der Name des Kontos darf nicht leer sein!'),
      dialogType: DialogTypeEnum.error,
    );

    _accountCreatedDialog = DynamicDialog(
      title: 'Account erstellt!',
      icon: Icons.check_circle,
      content: const Text('Das Konto wurde erfolgreich erstellt!'),
      dialogType: DialogTypeEnum.success,
    );
  }

  BuildContext? _buildContext;

  final AccountRepository _accountRepository = AccountRepository();

  DynamicDialog? _newAccountDialog;
  DynamicDialog? _errorNameEmptyDialog;
  DynamicDialog? _accountCreatedDialog;

  /// Startet den Prozess um ein neues Konto anzulegen
  void newAccountHandler(final BuildContext buildContext) {
    _buildContext = buildContext;

    unawaited(_newAccountDialog?.show(buildContext));
  }

  Future<void> _saveNewAccount(final Map<String, String> values) async {
    if (values['name'] == null || values['name']!.isEmpty) {
      if (_buildContext != null) {
        await _errorNameEmptyDialog?.show(_buildContext!);
      }
    } else {
      final account = Account()..name = values['name']!;

      await _accountRepository.add(account);
      await _accountCreatedDialog?.show(_buildContext!);
    }
  }
}