asistencia-desktop/Asistencia/ViewModels/LoginViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Asistencia.Services;

namespace Asistencia.ViewModels;

public partial class LoginViewModel : ViewModelBase
{
    private readonly AuthService _authService;
    private readonly MainWindowViewModel _mainVm;

    [ObservableProperty]
    private string _rut = string.Empty;

    [ObservableProperty]
    private bool _esTitular = true;

    [ObservableProperty]
    private bool _esReemplazo;

    [ObservableProperty]
    private string _errorMessage = string.Empty;

    [ObservableProperty]
    private bool _hasError;

    [ObservableProperty]
    private bool _isLoading;

    public LoginViewModel(AuthService authService, MainWindowViewModel mainVm)
    {
        _authService = authService;
        _mainVm = mainVm;
    }

    partial void OnEsTitularChanged(bool value)
    {
        if (value) EsReemplazo = false;
    }

    partial void OnEsReemplazoChanged(bool value)
    {
        if (value) EsTitular = false;
    }

    [RelayCommand]
    private async Task LoginAsync()
    {
        IsLoading = true;
        HasError = false;

        var tipoAsignacion = EsTitular ? 1 : 4;
        var (success, message) = await _authService.LoginAsync(Rut, tipoAsignacion);

        if (success)
        {
            _mainVm.NavigateToDashboard();
        }
        else
        {
            ErrorMessage = message;
            HasError = true;
        }

        IsLoading = false;
    }
}