GES_PAC

using GES_PAC.Model;

using GES_PAC.View;

using System.ComponentModel.Design;

using System.Windows.Input;

namespace GES_PAC.ViewModel.Controls

{

    public class ChamberButtonViewModel : BaseViewModel

    {

        #region Attributs

        private Serie _currentSet;

        private string _buttonText;

        private int _chamberId;

        private Color _buttonBackgroundColor;

        private bool _buttonIsEnabled;

        private string _buttonLabel;

        private string _timeIn;

        private Color _timeColor;

        private ICommand _onClickChamberCommand;

        private readonly TimerPublisher _timer;

        #endregion

        #region Propriétés

        public Serie? CurrentSet

        {

            get => _currentSet;

            set

            {

                _currentSet = value;

                OnPropertyChanged();

            }

        }

        public string ButtonText {

            get => _buttonText;

            set

            {

                _buttonText = value;

                OnPropertyChanged();

            }

        }

        public int ChamberId

        {

            get => _chamberId;

            set

            {

                _chamberId = value;

                OnPropertyChanged();

            }

        }

        public Color ButtonBackgroundColor

        {

            get => _buttonBackgroundColor;

            set

            {

                _buttonBackgroundColor = value;

                OnPropertyChanged();

            }

        }

        public bool ButtonIsEnabled

        {

            get => _buttonIsEnabled;

            set

            {

                _buttonIsEnabled = value;

                OnPropertyChanged();

            }

        }

        public string ButtonLabel

        {

            get => _buttonLabel;

            set

            {

                _buttonLabel = value;

                OnPropertyChanged();

            }

        }

        public string TimeIn

        {

            get => _timeIn;

            set

            {

                _timeIn = value;

                OnPropertyChanged();

            }

        }

        public Color TimeColor

        {

            get => _timeColor;

            set

            {

                _timeColor = value;

                OnPropertyChanged();

            }

        }

        public SerieAnimal? AnimalSet;

        private bool _isSubscribed = false;

        #endregion

        #region Commandes

        public ICommand OnClickChamberCommand

        {

            get => _onClickChamberCommand;

            set

            {

                _onClickChamberCommand = value;

                OnPropertyChanged();

            }

        }

        #endregion

        #region Constructeurs

        public ChamberButtonViewModel(int chamberId, ChambersViewModel parentViewModel)

        {

            ChamberId = chamberId;

            _timer = parentViewModel.Timer;

            parentViewModel.RegisterButton(this);

            OnClickChamberCommand = new Command(async () => await GoToChamber());

            InitButtonProperties();

            CurrentSet = JourneeViewModel.Instance?.GetCurrentSet();

            UpdateChamberId(chamberId);

        }

        #endregion

        #region Méthodes

        public void UpdateChamberId(int chamberId)

        {

            ChamberId = chamberId;

            UpdateProperties();

        }

        public void InitButtonProperties()

        {

            ButtonBackgroundColor = Colors.White;

            ButtonIsEnabled = true;

            ButtonLabel = "0";

            TimeIn = "";

            TimeColor = Colors.Black;

        }

        public void UpdateProperties()

        {

            CurrentSet = JourneeViewModel.Instance?.GetCurrentSet();

            AnimalSet = CurrentSet?.GetSerieAnimalByNumBoite(ChamberId);

            ButtonText = ChamberId.ToString();

            InitButtonProperties();

            int measureCount = AnimalSet?.GetMeasureCount() ?? 0;

            if (measureCount == 0)

                return;

            if (!_isSubscribed && !AnimalSet.IsOut)

            {

                _timer.Register(OnTimerTick);

                _isSubscribed = true;

            }

            if (_isSubscribed && AnimalSet.IsOut)

            {

                _timer.Unregister(OnTimerTick);

                _isSubscribed = false;

            }

            UpdateTimerColor();

            ButtonIsEnabled = !AnimalSet.IsOut;

            ButtonBackgroundColor = AnimalSet.HasBehaviour() ? Colors.Yellow : Colors.LightGreen;

            ButtonLabel = measureCount.ToString();

            TimeIn = AnimalSet.GetFormatedTimeInChamber();

        }

        private async Task GoToChamber()

        {

            if (IsBusy) return;

            IsBusy = true;

            var targetView = (CurrentSet.GetSerieAnimalByNumBoite(ChamberId) == null) ? nameof(EnterAnimalView) : nameof(CreateMeasureView);

            await Shell.Current.GoToAsync($"{targetView}?chamberId={ChamberId}");

            IsBusy = false;

        }

        public void OnTimerTick(object? sender, EventArgs e)

        {

            TimeIn = AnimalSet?.GetFormatedTimeInChamber() ?? "";

            UpdateTimerColor();

        }

        public void UpdateTimerColor()

        {

            var nbMesure = AnimalSet?.GetMeasureCount() ?? 0;

            var min = AnimalSet?.GetMinInChamber() ?? 0;

            if (nbMesure == 1 && min >= 25 ||

                nbMesure == 2 && (min >= 50 || (AnimalSet.GetLastMeasure().Conc_CO2 > 2 && min >= 40)) ||

                AnimalSet?.IsTimeWarning() == true)

                    TimeColor = Colors.Red;

        }

        #endregion

    }

}