GES_PAC

using GES_PAC.Model;

using GES_PAC.View;

using System.Windows.Input;

namespace GES_PAC.ViewModel

{

    public class MainViewModel : BaseViewModel 

    {

        #region Attributs

        private bool _hasLastDay = false;

        private Journee _currentDay;

        private string _currentDayText;

        #endregion

        #region Commandes

        public ICommand GoToCreateDayCommand { get; }

        public ICommand ResumeDayCommand { get; }

        public ICommand ExportDataCommand { get; }

        #endregion

        #region Propriétés

        public bool HasLastDay

        {

            get => _hasLastDay;

            set

            {

                SetProperty(ref _hasLastDay, value);

                OnPropertyChanged();

            }

        }

        public Journee CurrentDay

        {

            get => _currentDay;

            set

            {

                SetProperty(ref _currentDay, value);

                OnPropertyChanged();

            }

        }

        public string CurrentDayText

        {

            get => _currentDayText;

            set

            {

                SetProperty(ref _currentDayText, value);

                OnPropertyChanged();

            }

        }

        #endregion

        #region Constructeur

        public MainViewModel()

        {

            GoToCreateDayCommand = new Command(async () => await GoToCreateDayPage());

            ResumeDayCommand = new Command(async () => await ResumeDay());

            ExportDataCommand = new Command(async () => await ExportData());

            GetLastDay();

        }

        #endregion

        #region Méthodes

        public void GetLastDay()

        {

            CurrentDay = JourneeViewModel.Instance.GetCurrentDay();

            HasLastDay = !CurrentDay?.IsComplete() ?? false;

            CurrentDayText = HasLastDay ? "Une journée en cours, la reprendre ?" : "Aucune journée trouvée, en créer une ?";

        }

        private async Task GoToCreateDayPage()

        {

            if (IsBusy) return;

            IsBusy = true;

            await Shell.Current.GoToAsync(nameof(CreateDayView));

            IsBusy = false;

        }

        private async Task ResumeDay()

        {

            if (IsBusy) return;

            IsBusy = true;

            CurrentDay = JourneeViewModel.Instance.GetCurrentDay();

            var targetView = $"{nameof(CreateCalibrationView)}?phase={PhaseCalibration.DEBUT.Name}";

            if (CurrentDay.IsCalibrationComplete(PhaseCalibration.DEBUT))

                targetView = nameof(SetListView);

            await Shell.Current.GoToAsync(targetView);

            IsBusy = false;

        }        

        private async Task ExportData()

        {

            if (IsBusy) return;

            IsBusy = true;

            await Shell.Current.GoToAsync(nameof(ExportDataView));

            IsBusy = false;

        }

        #endregion

    }

}