import 'package:flutter/material.dart';
import 'package:tm_app/core/utils/result.dart';
import 'package:tm_app/data/repositories/tender_detail_repository.dart';
import 'package:tm_app/data/services/model/tender_detail_request/tender_detail_request.dart';
import 'package:tm_app/data/services/model/tender_detail_response/tender_detail_response_model.dart';

class TenderDetailViewModel with ChangeNotifier {
  final TenderDetailRepository _tenderDetailRepository;

  TenderDetailViewModel({
    required TenderDetailRepository tenderDetailRepository,
  }) : _tenderDetailRepository = tenderDetailRepository {
    WidgetsBinding.instance.addPostFrameCallback((_) {
      getTenderDetail(id: 'JNDFKMDV-100JF');
    });
  }

  bool _isLoading = false;
  String? _errorMessage;
  TenderDetailResponseModel? _tenderDetail;

  bool get isLoading => _isLoading;
  String? get errorMessage => _errorMessage;
  TenderDetailResponseModel? get tenderDetail => _tenderDetail;

  Future<void> getTenderDetail({required String id}) async {
    _isLoading = true;
    _errorMessage = null;
    notifyListeners();

    final request = TenderDetailRequest(id: id);
    final result = await _tenderDetailRepository.getTenderDetail(
      request: request,
    );
    switch (result) {
      case Ok<TenderDetailResponseModel>():
        _tenderDetail = result.value;
        break;
      case Error<TenderDetailResponseModel>():
        _errorMessage = result.error.toString();
        break;
    }

    _isLoading = false;
    notifyListeners();
  }
}