GES_PAC

using GES_PAC.Model;

using System.Windows.Input;

namespace GES_PAC.ViewModel

{

    public class CreatePlaceViewModel : BaseViewModel

    {

        #region Attributs

        private string _nom;

        private string _client;

        private string _espece;

        private bool _isFormValid;

        #endregion

        #region Commandes

        public ICommand CreatePlaceCommand { get; }

        #endregion

        #region Propriétés

        public string Nom

        {

            get => _nom;

            set

            {

                _nom = value;

                OnPropertyChanged();

                ValidateForm();

            }

        }

        public string Client

        {

            get => _client;

            set

            {

                _client = value;

                OnPropertyChanged();

                ValidateForm();

            }

        }

        public string Espece

        {

            get => _espece;

            set

            {

                _espece = value;

                OnPropertyChanged();

                ValidateForm();

            }

        }

        public bool IsFormValid

        {

            get => _isFormValid;

            set

            {

                _isFormValid = value;

                OnPropertyChanged();

            }

        }

        public bool NomError { get; private set; } = true;

        public bool ClientError { get; private set; } = true;

        public bool EspeceError { get; private set; } = true;

        #endregion

        #region Constructeur

        public CreatePlaceViewModel()

        {

            CreatePlaceCommand = new Command(async () => await CreatePlace());

        }

        #endregion

        #region Méthodes

        private void ValidateForm()

        {

            NomError = string.IsNullOrWhiteSpace(Nom) || Nom.Length < 3;

            ClientError = string.IsNullOrWhiteSpace(Client) || Client.Length < 3;

            EspeceError = string.IsNullOrWhiteSpace(Espece) || Espece.Length < 3;

            OnPropertyChanged(nameof(NomError));

            OnPropertyChanged(nameof(ClientError));

            OnPropertyChanged(nameof(EspeceError));

            IsFormValid = !NomError && !ClientError && !EspeceError;

            (CreatePlaceCommand as Command)?.ChangeCanExecute();

        }

        private async Task CreatePlace()

        {

            var newPlace = new Lieu(Nom, Client, Espece);

            PlaceViewModel.Instance.Places.Add(newPlace);

            await Shell.Current.GoToAsync("//Main");

        }

        #endregion

    }

}